Overfill prevention devices for static tanks for liquid fuels - Requirements and test/assessment methods - Part 2: Overfill prevention devices without closure device

This European Standard specifies requirements and the corresponding test/assessment methods applicable to overfill prevention devices without closure device.
The overfill prevention device is usually composed of
-  sensor,
-  electric-mechanical interface.
These overfill prevention devices intended to be used in/with underground or above ground, non-pressurised, metallic or non-metallic, static tanks designed for liquid fuels.
NOTE   In further text, for liquid fuels the term liquid is used.

Überfüllsicherungen für ortsfeste Tanks für flüssige Brenn- und Kraftstoffe - Anforderungen und Prüf-/Bewertungsverfahren - Teil 2: Überfüllsicherungen ohne Schließeinrichtung

Die vorliegende Europäische Norm enthält Anforderungen und die zugehörigen Prüf /Bewertungsverfahren, die für Überfüllsicherungen ohne Schließeinrichtung gelten.
Die Überfüllsicherung besteht gewöhnlich aus:
-   Sensor;
-   elektrisch-mechanischer Schnittstelle.
Diese Überfüllsicherungen sind für die Verwendung in/mit unter- oder oberirdischen, drucklosen, metallischen oder nichtmetallischen ortsfesten Tanks für flüssige Brenn- und Kraftstoffe vorgesehen.
ANMERKUNG   Im Folgenden wird für den Begriff „flüssige Brenn- und Kraftstoffe“ der Begriff „Flüssigkeit“ verwendet.

Dispositifs limiteurs de remplissage pour réservoirs statiques pour carburants pétroliers liquides - Exigences et méthodes d'essai/d'évaluation - Partie 2: Dispositifs limiteurs de remplissage sans dispositfs de fermeture

La présente Norme européenne spécifie les exigences et les méthodes d’essai/d’évaluation correspondantes applicables aux dispositifs limiteurs de remplissage sans dispositif de fermeture.
Le dispositif limiteur de remplissage est généralement constitué
-   d’un capteur ;
-   d’une interface électromécanique.
Ces dispositifs limiteurs de remplissage sont prévus pour être utilisés dans/avec des réservoirs statiques enterrés ou aériens, hors pression, métalliques ou non, conçus pour les carburants liquides.
NOTE   Dans le reste du texte, le terme liquide est utilisé pour carburants liquides.

Naprave za preprečitev prepolnitve za nepremične rezervoarje za tekoča goriva - Zahteve in metode za preskušanje in ocenjevanje - 2. del: Naprave za preprečitev prepolnitve brez zaporne naprave

Ta evropski standard določa zahteve ter ustrezne metode za preskušanje in ocenjevanje, ki se uporabljajo za naprave za preprečitev prepolnitve brez zaporne naprave.
Naprava za preprečitev prepolnitve je običajno sestavljena iz
– senzorja,
– električno-mehanskega vmesnika.
Te naprave za preprečitev prepolnitve so namenjene za uporabo v kovinskih ali nekovinskih stabilnih rezervoarjih za tekoča goriva, ki so pod ali nad zemljo in niso pod tlakom, ali z njimi.
OPOMBA: V nadaljevanju se za tekoča goriva uporablja izraz tekočina.

General Information

Status
Published
Public Enquiry End Date
09-Jan-2014
Publication Date
13-Sep-2016
Technical Committee
Current Stage
6060 - National Implementation/Publication (Adopted Project)
Start Date
12-Sep-2016
Due Date
17-Nov-2016
Completion Date
14-Sep-2016

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2003-01.Slovenski inštitut za standardizacijo. Razmnoževanje celote ali delov tega standarda ni dovoljeno.Überfüllsicherungen für ortsfeste Tanks für flüssige Brenn- und Kraftstoffe - Anforderungen und Prüf-/Bewertungsverfahren - Teil 2: Überfüllsicherungen ohne SchließeinrichtungDispositifs limiteurs de remplissage pour réservoirs statiques pour carburants pétroliers liquides - Exigences et méthodes d'essai/d'évaluation - Partie 2: Dispositifs limiteurs de remplissage sans dispositfs de fermetureOverfill prevention devices for static tanks for liquid fuels - Requirements and test/assessment methods - Part 2: Overfill prevention devices without closure device75.200Petroleum products and natural gas handling equipment23.020.10UH]HUYRDUMLStationary containers and tanksICS:Ta slovenski standard je istoveten z:EN 13616-2:2016SIST EN 13616-2:2016en,fr,de01-oktober-2016SIST EN 13616-2:2016SLOVENSKI

STANDARDSIST EN 13616:2004/AC:2006SIST EN 13616:20041DGRPHãþD
SIST EN 13616-2:2016
EUROPEAN STANDARD NORME EUROPÉENNE EUROPÄISCHE NORM
EN 13616-2
June
t r s x ICS
t uä r t rä s r Supersedes EN
s u x s xã t r r vEnglish Version
Overfill prevention devices for static tanks for liquid fuels æPart

tã Overfill prevention devices without a closure device Dispositifs limiteurs de remplissage pour rßservoirs statiques pour carburants liquides æ Partie

tã Dispositifs limiteurs de remplissage sans dispositif de fermeture
Überfüllsicherung für ortsfeste Tanks für flüssige Brennæ und Kraftstoffe æ Teil

tã Überfüllsicherungen ohne Schließeinrichtung This European Standard was approved by CEN on

z April
t r s xä

egulations which stipulate the conditions for giving this European Standard the status of a national standard without any alterationä Upætoædate lists and bibliographical references concerning such national standards may be obtained on application to the CENæCENELEC Management Centre or to any CEN memberä

translation under the responsibility of a CEN member into its own language and notified to the CENæCENELEC Management Centre has the same status as the official versionsä

CEN members are the national standards bodies of Austriaá Belgiumá Bulgariaá Croatiaá Cyprusá Czech Republicá Denmarká Estoniaá Finlandá Former Yugoslav Republic of Macedoniaá Franceá Germanyá Greeceá Hungaryá Icelandá Irelandá Italyá Latviaá Lithuaniaá Luxembourgá Maltaá Netherlandsá Norwayá Polandá Portugalá Romaniaá Slovakiaá Sloveniaá Spainá Swedená Switzerlandá Turkey andUnited Kingdomä

EUROPEAN COMMITTEE FOR STANDARDIZATION COMITÉ EUROPÉEN DE NORMALISATION EUROPÄISCHES KOMITEE FÜR NORMUNG

CEN-CENELEC Management Centre:
Avenue Marnix 17,
B-1000 Brussels

t r s x CEN All rights of exploitation in any form and by any means reserved worldwide for CEN national Membersä Refä Noä EN

s u x s xæ tã t r s x ESIST EN 13616-2:2016

EN 13616-2:2016 (E) 2 Contents Page European foreword ....................................................................................................................................................... 4 1 Scope .................................................................................................................................................................... 5 2 Normative references .................................................................................................................................... 5 3 Terms, definitions and abbreviated terms ............................................................................................ 5 4 Requirements ................................................................................................................................................... 7 4.1 Effectiveness ..................................................................................................................................................... 7 4.1.1 Signal equal or greater than level L1 ........................................................................................................ 7 4.1.2 Signal below level L1 ....................................................................................................................................... 7 4.1.3 Functional requirements.............................................................................................................................. 7 4.2 Durability ........................................................................................................................................................ 13 4.2.1 Durability at ambient temperature, Tamb ............................................................................................. 13 4.2.2 Durability against chemical attack ........................................................................................................ 13 4.2.3 Durability against operational cycles ................................................................................................... 13 4.3 Electro-magnetic compatibility (EMC) ................................................................................................. 13 4.4 Fail safe ............................................................................................................................................................ 13 5 Testing .............................................................................................................................................................. 13 5.1 Effectiveness .................................................................................................................................................. 13 5.1.1 Signal equal or greater than level L1 ..................................................................................................... 13 5.1.2 Signal below level L1 .................................................................................................................................... 13 5.1.3 Functional requirements........................................................................................................................... 14 5.2 Durability ........................................................................................................................................................ 16 5.2.1 Durability at ambient temperature, Tamb ............................................................................................. 16 5.2.2 Durability against chemical attack ........................................................................................................ 16 5.2.3 Durability against operational cycles ................................................................................................... 17 5.3 EMC test ........................................................................................................................................................... 17 5.4 Fail safe ............................................................................................................................................................ 18 6 Assessment and verification of constancy of performance — AVCP ......................................... 18 6.1 General ............................................................................................................................................................. 18 6.2 Type testing .................................................................................................................................................... 18 6.2.1 General ............................................................................................................................................................. 18 6.2.2 Test samples, testing and compliance criteria .................................................................................. 19 6.2.3 Test reports .................................................................................................................................................... 19 6.2.4 Shared other party results ........................................................................................................................ 19 6.2.5 Cascading determination of the product type results .................................................................... 20 6.3 Factory production control (FPC) .......................................................................................................... 21 6.3.1 General ............................................................................................................................................................. 21 6.3.2 Requirements ................................................................................................................................................ 22 6.3.3 Product specific requirements ................................................................................................................ 24 6.3.4 Procedure for modifications .................................................................................................................... 24 6.3.5 One-off products, pre-production products (e.g. prototypes) and products produced in very low quantity .................................................................................................................................... 25 7 Marking, labelling and packaging .......................................................................................................... 25 Annex A (informative)

Setting of the overfill prevention sensor ............................................................ 27 SIST EN 13616-2:2016

EN 13616-2:2016 (E) 3 Annex ZA (informative)

Clauses of this European Standard addressing the provisions of the EU Construction Products Regulation ................................................................................................... 30 ZA.1 Scope and relevant characteristics ........................................................................................................ 30 ZA.2 Procedure for AVCP of overfill prevention devices without closure device ........................... 31 ZA.2.1 System(s) of AVCP ......................................................................................................................................... 31 ZA.2.2 Declaration of performance (DoP) ......................................................................................................... 32 ZA.2.2.1 General ..................................................................................................................................................... 32 ZA.2.2.2 Content ..................................................................................................................................................... 32 ZA.2.2.3 Example of DoP ..................................................................................................................................... 33 ZA.3 CE marking and labelling ........................................................................................................................... 35 Bibliography ................................................................................................................................................................. 37

SIST EN 13616-2:2016

EN 13616-2:2016 (E) 4 European foreword This document (EN 13616-2:2016) has been prepared by Technical Committee CEN/TC 393 “Equipment for storage tanks and for filling stations”, the secretariat of which is held by DIN. This European Standard shall be given the status of a national standard, either by publication of an identical text or by endorsement, at the latest by December 2016, and conflicting national standards shall be withdrawn at the latest by 2017-07-11. Attention is drawn to the possibility that some of the elements of this document may be the subject of patent rights. CEN [and/or CENELEC] shall not be held responsible for identifying any or all such patent rights. This document, together with EN 13616-1 and EN 16657, supersedes EN 13616:2004. This document has been prepared under a mandate given to CEN by the European Commission and the European Free Trade Association, and supports essential requirements of EU Directive. For relationship with EU Directive, see informative Annex ZA, which is an integral part of this document. According to EN 13616:2004, the following fundamental changes are given: — splitting of EN 13616:2004; the new EN 13616, under the general title Overfill prevention devices for static tanks for liquid fuels, will consist of the following parts: — Part 1: Overfill prevention devices with a closure device; — Part 2: Overfill prevention devices without a closure device. — reference to EN 14116; — technical parameters regarding explosion updated; — the requirements for the equipment of the overfill prevention devices with a closure device on the static tank are fixed in EN 13616-1; — the requirements for the equipment of the overfill prevention devices without a closure device on the tank vehicle were shifted to EN 16657, Tanks for the transport of dangerous goods — Transport tank equipment for overfill prevention devices for static tanks. According to the CEN/CENELEC Internal Regulations, the national standards organizations of the following countries are bound to implement this European Standard: Austria, Belgium, Bulgaria, Croatia, Cyprus, Czech Republic, Denmark, Estonia, Finland, Former Yugoslav Republic of Macedonia, France, Germany, Greece, Hungary, Iceland, Ireland, Italy, Latvia, Lithuania, Luxembourg, Malta, Netherlands, Norway, Poland, Portugal, Romania, Slovakia, Slovenia, Spain, Sweden, Switzerland, Turkey and the United Kingdom. SIST EN 13616-2:2016

EN 13616-2:2016 (E) 5 1 Scope This European Standard contains requirements, test and assessment methods, marking, labelling and packaging applicable to overfill prevention devices without a closure device. The overfill prevention device without a closure device is usually composed of — overfill prevention sensor consists of — sensor, — electrical interface, — mechanical interface, — overfill prevention controller according to EN 16657. These overfill prevention devices are intended to be used in/with underground or above ground, non-pressurized, static tanks designed for liquid fuels. NOTE 1 Liquid fuel means liquids for internal combustion engines, heating/cooling boilers and generators. NOTE 2 In further text, for liquid fuels the term liquid is used. 2 Normative references The following documents, in whole or in part, are normatively referenced in this document and are indispensable for its application. For dated references, only the edition cited applies. For undated references, the latest edition of the referenced document (including any amendments) applies. EN 590, Automotive fuels — Diesel — Requirements and test methods EN 14879-4:2007, Organic coating systems and linings for protection of industrial apparatus and plants against corrosion caused by aggressive media — Part 4: Linings on metallic components EN 60079-0, Explosive atmospheres — Part 0: Equipment — General requirements (IEC 60079-0) EN 60079-11, Explosive atmospheres — Part 11: Equipment protection by intrinsic safety “i (IEC 60079-11) EN 61000-6-2:2005, Electromagnetic compatibility (EMC) — Part 6-2: Generic standards — Immunity for industrial environments (IEC 61000-6-2:2005) EN 61000-6-3:2007, Electromagnetic compatibility (EMC) — Part 6-3: Generic standards — Emission standard for residential, commercial and light-industrial environments (IEC 61000-6-3:2006) EN ISO 13849-1, Safety of machinery — Safety-related parts of control systems — Part 1: General principles for design (ISO 13849-1) EN 16657:2016, Tanks for the transport of dangerous goods — Transport tank equipment for overfill prevention devices for static tanks 3 Terms, definitions and abbreviated terms For the purposes of this document, the following terms, definitions and abbreviated terms apply. SIST EN 13616-2:2016

EN 13616-2:2016 (E) 6 3.1 overfill prevention device device installed in a supply system, which automatically stops the delivery, preventing the liquid level in the tank exceeding a maximum filling level 3.2 maximum filling level Lmax permitted filling level subject to relevant standards and/or any national/regional safety requirements and/or recommendations 3.3 supply system connection hoses, fittings, devices and any fixed pipework through which the liquid is delivered to the static tank from any tank vehicle Note 1 to entry: The supply system includes both tank vehicle and stationary tank equipment. 3.4 tank vehicle vehicle built to carry liquids in integral tanks comprising one or more compartments intended for discharge to static tanks 3.5 level L1 filling level at which the sensor of the overfill prevention device provides an activation signal 3.6 sensor liquid level detection device mounted in a tank for detecting liquid at a predetermined level 3.7 permissive signal causing the permission of a liquid delivery 3.8 non-permissive signal causing the prevention of a liquid delivery 3.9 residual volume amount of liquid which is in the supply system at the moment of shutdown/closure 3.10 interface point of transfer of specified information 3.11 PID Product Identification Device SIST EN 13616-2:2016

EN 13616-2:2016 (E) 7 3.12 Tamb ambient temperature 3.13 Tliq liquid temperature 4 Requirements 4.1 Effectiveness 4.1.1 Signal equal or greater than level L1 To ensure the effectiveness of the overfill prevention device the overfill prevention sensor shall provide a signal showing tank contents are equal or greater than level L1 to show a non-permissive state. Functional requirements according to 4.1.3. 4.1.2 Signal below level L1 To ensure the effectiveness of the overfill prevention device the overfill prevention sensor shall provide a signal showing tank contents are below level L1 to show a permissive state. Functional requirements according to 4.1.3. 4.1.3 Functional requirements 4.1.3.1 Electrical interface 4.1.3.1.1 Power supply The manufacturer shall declare which liquid fuels their overfill prevention sensors are compatible with and according to their flashpoint, define the technical parameters for the electrical supply of the overfill prevention sensor with regard to explosion safety. For overfill prevention sensors intended to be used in explosive atmospheres the technical parameters shall be at least Ex ia IIB T3 according to EN 60079-0 and EN 60079-11 and shall be suitable for the maximum output values according to 5.4.3.3 of EN 16657:2016. 4.1.3.1.2 Working characteristics of the overfill prevention sensor The sensor may be a resistor with a positive temperature coefficient (PTC-resistor) or a device with the same behaviour. The sensor shall work in a fuel temperature Tliq range of

« t w °C to +50 °C. If the fuel temperature Tliq range deviates from the standard, it shall be declared by the manufacturer. The operational characteristics for the overfill prevention sensor shall be according to Figure 1 and Table 1. Any additional use of the electrical interface shall not influence the operating characteristics and the functioning of the overfill prevention sensor. To obtain the characteristics in Figure 1 the voltage of the supply circuit has to be stabilized over the whole temperature range to a value of (19 ± 0,3) V. The voltage value of (19 ± 0,3) V shall also be up to a current of 80 mA. The internal resistance of the supply circuit shall be (160 ± 3,2)

SIST EN 13616-2:2016
EN 13616-2:2016 (E) 8
Key
range for signal “filling permitted”

range for signal “filling not permitted” t1 time of recognition of start of sensor warm up (I > I1) t2 time of recognition of reaching sensor operating condition 0,5 s < (t2 – t1) < 180 s NOTE If (t2 – t1) > 180 s no product flow is possible. t3 time of wetting sensor t4 time of recognition of a wet sensor i.e. stop of product flow shall be initiated tR R = t4 – t3 Reaction time of the overfill prevention sensor (R) from status permissive to status non-permissive shall be

¶ 1,5 s. Figure 1 — Cycle of electrical interface Table 1 — Current values at electrical interface Current Max. value mA Min. value mA Remark I1 49,5 41 I1 > I2 I2 44 38 I3 10 2 — 4.1.3.2 Installation of the overfill prevention sensor in the tank The principle installation of the sensor and its main parts shall be according to Figure 2. See also Annex A. SIST EN 13616-2:2016

EN 13616-2:2016 (E) 9

Key X adjusted dimension 1 plug according to Figure 3 Y control dimension 2 sensor pipe Z probe length between markings 3 connection thread of the tank for the overfill prevention sensor L1 level at which the sensor for overfill prevention sensor is wetted 4 protection against spraying liquid Lmax maximum filling level 5 installation body of the overfill prevention sensor, optional with adjustability for the overfill prevention sensor

6 place for value Z in mm

7 sensor Figure 2 — Structure of the overfill prevention sensor with installation in the static tank 4.1.3.3 Mechanical interface The plug part of the connection between the overfill prevention sensor and the mating part of the transport tank equipment is shown in Figure 4 and Figure 5. The mating part (socket) is described in EN 16657. The wiring at the storage tank between the PID and the listener contact shall be according to Figure 3. SIST EN 13616-2:2016

EN 13616-2:2016 (E) 10

Key 1 overfill prevention system socket BK black colour of the wire 2 fill coupling BL blue colour of the wire 3 optional vapour recovery BN brown colour of the wire 4 listener line RD red colour of the wire Figure 3 — Wiring between the PID and the listener contact SIST EN 13616-2:2016

EN 13616-2:2016 (E) 11 Dimensions in millimetres

a) Plug type 907 and AS 907 b) Plug insert for type AS 907 c) Plug insert for type 907 Key 1 contact pin, material: brass nickel plated 2 terminal 3 insulating sleeve Figure 4 — Mechanical construction of the overfill prevention sensor plug for type 907 and type AS 907 SIST EN 13616-2:2016

EN 13616-2:2016 (E) 12 Dimensions in millimetres
a) Plug type 904 b) Plug for type 905

c) Plug insert for type 905 and 904 Key 1 contact pin, material: brass nickel plated 2 drill for terminal cross section 1,5 mm2 with wire protect 3 fastening lug Figure 5 — Mechanical construction of the overfill prevention sensor plug for type 904 and type 905 SIST EN 13616-2:2016

EN 13616-2:2016 (E) 13 4.2 Durability 4.2.1 Durability at ambient temperature, Tamb Overfill prevention sensors shall be designed for an ambient temperature Tamb range of

« t w °C to +60 °C. Deviations shall be declared by the manufacturer. 4.2.2 Durability against chemical attack The overfill prevention sensor, or parts normally exposed to liquids or their vapours, shall be durable in contact with the declared liquids. 4.2.3 Durability against operational cycles The overfill prevention sensor shall withstand

· 3.000 operational cycles. 4.3 Electro-magnetic compatibility (EMC) Overfill prevention devices contain active electronic components, so they shall fulfil the requirements according to: — EN 61000-6-3 for emission; — EN 61000-6-2 for immunity. The classification shall be provided by the manufacturer, only if active electronic components are incorporated. Concerning immunity the overfill prevention sensor shall work as intended under all conditions or shall provide a signal as above level L1 for the non-permissive state. 4.4 Fail safe Resistors with a positive temperature coefficient (PTC-resistor) shall fulfil fail safe requirements. NOTE The fail safe property of a PTC-resistor is contained in the requirements according to 4.1.3.1.2 and verified according to 5.1.3.1.2 and a test according to 5.4 is not required. Failure of any active electronic component, one at a time, in short circuit or open circuit state or a permanent automatic self-test shall result in a non-permissive output or correct operation. All components shall not be loaded more than 2/3 of their nominal load with respect to the ambient temperature. If a binary digital system is used the electronic circuitry of the sensors and the electronics to the interface shall be designed according to the performance level PL b of EN ISO 13849-1. 5 Testing 5.1 Effectiveness 5.1.1 Signal equal or greater than level L1 The test according to 5.1.3 shall demonstrate the effectiveness of the overfill prevention device by providing the signal above level L1 for the status non-permissive. 5.1.2 Signal below level L1 The test according to 5.1.3 shall demonstrate the effectiveness of the overfill prevention device by providing the signal below level L1 for the status permissive. SIST EN 13616-2:2016

EN 13616-2:2016 (E) 14 5.1.3 Functional requirements 5.1.3.1 Electrical interface 5.1.3.1.1 Power supply The power supply of the electrical interface shall be tested according to EN 16657. 5.1.3.1.2 Working characteristics of the overfill prevention sensor 5.1.3.1.2.1 Type testing a) Test equipment — power supply according to 4.1.3.1.1; — oscilloscope measurement across the overfill prevention sensor described in 4.1.3.1.2; — environmental chamberá the temperature of which can be varied over the range from

« t w °C to +50 °C with an accuracy of 2 K; — test liquid: diesel according to EN 590. b) Test method The overfill prevention sensor under test shall be connected with a power supply according to 4.1.3.1.1. Prior to each test to be conducted, and with the overfill prevention sensor fully operational, the environmental chamber shall be at the required test temperature. All equipment (including the test liquid) shall have reached the test temperature ± 2 K, before the test is performed. The test temperature of the environmental chamber and the test liquid shall be equal: —

«25 °C — +20 °C — +50 °C respectively +20 °C and the limits of the temperatures defined by the manufacturer. The following series of tests shall be performed three times for each liquid for each temperature. Results shall be recorded: 1) Heating up range — sensor not activated Measurements commence when the overfill prevention sensor is connected to the power supply. Measure initial current I1 and the time according to Figure 1. Measure current I2 according to Figure 1 after heating up. 2) Reaction time of the overfill prevention sensor – sensor activated Electrical current I is measured during the time the sensor is taken in the test liquid. The reaction time of the overfill prevention sensor R shall be determined according to 4.1.3.1.2. SIST EN 13616-2:2016

EN 13616-2:2016 (E) 15 c) Test result The overfill prevention sensor shall be accepted, if the results comply with the criteria listed in 4.1.3.1.2, Figure 1 and Table 1. 5.1.3.1.2.2 Factory production control a) Test equipment — power supply according to 4.1.3.1.1 or controller according to EN 16657; — optional oscilloscope measuring across the resistor; — the test liquid for this test shall be water containing a corrosion preventing agent or an aliphatic petroleum distillate. b) Test method The temperature of the environment and the test liquid shall be equal to (20 ± 10) °C. The following series of tests shall be performed once with an appropriate test liquid. — the overfill prevention sensor shall be connected to the power supply; — the initial current I1 shall be checked; — the duration t2 – t1 shall be checked; — current I2 shall be checked; — the sensor shall be activated (wetted); — the duration t4 – t3 shall be checked. c) Test result / evaluation The overfill prevention sensor shall be accepted, if the results comply with the criteria listed in 4.1.3.1.2, Figure 1. 5.1.3.2 Installation of the overfill prevention sensor in the tank 5.1.3.2.1 Test equipment — The mechanical interface connection of the overfill prevention sensor shall fit into the suitable mating part, e.g. thread of the test equipment, see Figure 2; — Calibrated instrument for measuring the length with a accuracy ± 1 mm. 5.1.3.2.2 Test method — In the case of a height adjustable overfill prevention sensor, the sensor pipe shall be fitted securely. — The mechanical interface connection shall be mounted into the mating part. — Measure the distance between the activated position of the sensor and the marking Z. SIST EN 13616-2:2016

EN 13616-2:2016 (E) 16 5.1.3.2.3 Test result — The sensor pipe shall be fixed in the installation body. The value of Z shall be visible on the sensor pipe. — The result shall be identical to indication of 02−Zmm. 5.1.3.3 Mechanical interface 5.1.3.3.1 Test equipment The socket coupler type 903 and type AS 903 as specified in EN 16657. 5.1.3.3.2 Test method Connect and disconnect the corresponding plugs and sockets. 5.1.3.3.3 Test result The mating part socket coupler type 903 and type AS 903 as specified in EN 16657 shall fit into the plugs specified in 4.1.3.3. 5.2 Durability 5.2.1 Durability at ambient temperature, Tamb 5.2.1.1 Test equipment Temperature controlled test chamber. 5.2.1.2 Test method The overfill prevention sensor without electrical supply shall be exposed to 10 cycles, covering the specified minimum and maximum ambient temperatures. The duration of exposure at the minimum and maximum ambient temperatures shall be 2 hours, once the temperature has been stabilized. Stabilized conditions are reached when the temperature change in the environmental chamber is < 1 K

® 15 min-1 The change of temperature shall not exceed 5 K

® min-1 during heating up and cooling down the environmental chamber. 5.2.1.3 Test result A visual inspection and functional test according to 5.1.3.1.2 shall be carried out at (20 ± 10) °C. The results shall be recorded. There shall be no evident visible damage to the overfill prevention sensor and the overfill prevention sensor shall operate in compliance with the criteria listed in 4.1.3.1.2, Figure 1 and Table 1. 5.2.2 Durability against chemical attack 5.2.2.1 General Third party test re

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