EN 50054:1991/A1:1995
(Amendment)Electrical apparatus for the detection and measurement of combustible gases - General requirements and test methods
Electrical apparatus for the detection and measurement of combustible gases - General requirements and test methods
Superseded by EN 50054:1998
Elektrische Geräte für das Aufspüren und die Messung brennbarer Gase - Allgemeine Anforderungen und Prüfmethoden
Appareils électriques de détection et de mesure des gaz combustibles - Règles générales et méthodes d'essais
Electrical apparatus for the detection and measurement of combustible gases - General requirements and test methods - Amendment 1
General Information
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Standards Content (Sample)
SLOVENSKI STANDARD
SIST EN 50054:1997/A1:1997
01-junij-1997
Electrical apparatus for the detection and measurement of combustible gases -
General requirements and test methods - Amendment 1
Electrical apparatus for the detection and measurement of combustible gases - General
requirements and test methods
Elektrische Geräte für das Aufspüren und die Messung brennbarer Gase - Allgemeine
Anforderungen und Prüfmethoden
Appareils électriques de détection et de mesure des gaz combustibles - Règles
générales et méthodes d'essais
Ta slovenski standard je istoveten z: EN 50054:1991/A1:1995
ICS:
13.320 Ala
...
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1.1.1 Probe assemblies included in scope This part of IEC 61010 specifies safety requirements for hand-held and hand-manipulated probe assemblies of the types described below, and their related accessories. These probe assemblies are for direct electrical connection between a part and electrical test and measurement equipment. They may be fixed to the equipment or be detachable accessories for the equipment. a) Type A: low-voltage and high-voltage, non-attenuating probe assemblies. Non-attenuating probe assemblies that are RATED for direct connection to voltages exceeding 30 V r.m.s., 42,4 V peak, or 60 V d.c., but not exceeding 63 kV. They do not incorporate components which are intended to provide a voltage divider function or a signal conditioning function, but they may contain non-attenuating components such as fuses (see Figure 1). b) Type B: high-voltage attenuating or divider probe assemblies. Attenuating or divider probe assemblies that are RATED for direct connection to secondary voltages exceeding 1 kV r.m.s or 1,5 kV d.c. but not exceeding 63 kV r.m.s or d.c. The divider function may be carried out wholly within the probe assembely, or partly within the test or measurement equipment to be used with the probe assembly (see Figure 2). c) Type C: low-voltage attenuating or divider probe assemblies. Attenuating or divider probe assemblies for direct connection to voltages not exceeding 1 kV r.m.s. or 1,5 kV d.c. The signal conditioning function may be carried out wholly within the probe assembly, or partly within the test or measurement equipment intended to be used with the probe assembly (see Figure 3). d) Type D: low-voltage attenuating, non-attenuating or other signal conditioning probe assemblies, that are RATED for direct connection only to voltages not exceeding 30 V r.m.s., or 42,4 V peak, or 60 V d.c., and are suitable for currents exceeding 8 A (see Figure 4). 1.1.2 Probe assemblies excluded from scope This standard does not apply to current sensors within the scope of IEC 61010-2-032 (hand-held and hand-manipulated current sensors), but may apply to their input measuring circuit leads and accessories.
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