ASTM D182-25

Specification for ASTM Thermometer (Withdrawn 1939)

General Information

• Status: Withdrawn
• Technical Committee: D15 - Engine Coolants and Related Fluids

Standards Content (Sample)

STANDARD SPECIFICATIONS
FOR
A.S.T.M.
PARTIAL-IMMERSION THERMOMETER FOR
GENERAL USE,
.
1
-20 TO + 150° C., 0 TO +300° F.
Serial Designation: D 182 - 25
These specificalion!l are i$:!1\Cd under the fixed designation D 18'2; the linal
number indicates the year of ori~tinaladoption ns ~tnndanl or, in the case uf l'evi:>ion,
the year of las~ revision.
lSSUHD AS TBNTA'rlVI!:, 1923; ADOPTED IN AMBNUI!D f'mtM, 1925.
1. These specifications cover a partial-immersion thermometer
graduated in either Centigrade or Fahrenheit degrees as specified,
the ranges being -20 to +1S0° C. or 0 to +300° F., respectively.
2. The purpose of lhcsc.specifications is to provide a thcrniom·
cter of sufftcient accuracy for general use in determining temperatures
ns required in tests where no standard thermometer is specified and
for adoption as a standard where its design is applicable.
· · 3. The thermometer shall conform to the following requirements:
T\'Pll: Etched ;;tern, gltt~s.
LIQUID: Mercury.
R.~NG£ AND SuBDIVIsioN: -20 to + 150° C. in I • C. or 0 to ;-300• F. in 2° F.
ToTAL LBNGTS: 303 to 307 mm. (11.94 to l2.ll io.).
S-rnM: Plain front, enamel back, suitable thcrmomclcr tubing. Diameter, 6 Lo
7 mm. (0.2.36 to 0.275 in.).
Bm.a: Corning normal or Cl!unlly suitable thermometric gl:~ss.
Length, 19 to 2S mm. (0.75 tu tin.).
Diameter, 5 to 6 rnm. (0.196 to 0.236 in.).
DtSTANCll TO -18° C. OR 0° J?. LINE FROM DOT'fOlof OF BUI.ts: 90 to 100 mrn. (3.55
to 3,94 in.),
DtST,t.NC£ ·ro 150° C. OR. 300° F. LINK PROM TOP OP' STIUI: 20 to 35 mm. (0.8 to 1.4 in.),
FILLING ABOVB M~KCU!n' : Nitrogen gas.
ToP FINISH: Glass ring.
GRADUATION: All lines, figures and letters clear cut and di11tinct. The first and each
succeeding s• C. or 10• F. line to be longer than the remaining lines. Gradli·
ations to be numbered at each multiple of 10° C. or 20° F.
htWKRSION: 'fl1e word& "76-mm. immersion" on Centigrade
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