ASTM-E644 2008

$44.96

E644-08 Standard Test Methods for Testing Industrial Resistance Thermometers

Published By	Publication Date	Number of Pages
ASTM	2008	18

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Categories: 17.200.20 - Temperature-measuring instruments, ASTM

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Description

1.1 These test methods cover the principles, apparatus, and procedures for calibration and testing of industrial resistance thermometers.

1.2 These test methods cover the tests for insulation resistance, calibration, immersion error, pressure effects, thermal response time, vibration effect, mechanical shock, self-heating effect, stability, thermoelectric effect, humidity, thermal hysteresis, thermal shock, and end seal integrity.

1.3 These test methods are not necessarily intended for, recommended to be performed on, or appropriate for every type of thermometer. The expected repeatability and reproducibility of the results are tabulated in Appendix X4.

1.4 These test methods, when specified in a procurement document, shall govern the method of testing the resistance thermometer.

1.5 Thermometer performance specifications, acceptance limits, and sampling methods are not covered in these test methods; they should be specified separately in the procurement document.

1.6 This standard does not purport to address all of the safety concerns, if any, associated with its use. It is the responsibility of the user of this standard to establish appropriate safety and health practices and determine the applicability of regulatory limitations prior to use. Specific precautionary statements are given in 6.3.2, 6.3.5, and 8.1 .

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PDF Pages	PDF Title
1	Scope Referenced Documents Terminology
2	Significance and Use Insulation Resistance Test
3	Thermometer Calibration TABLE 1
4	FIG. 1
5	Minimum Immersion Length Test Pressure Test
6	Thermal Response-Time Test FIG. 2
7	FIG. 3 FIG. 4
8	Vibration Test
9	Mechanical Shock Test Self-Heating Tests
10	Stability Test
11	Thermoelectric Effect Test Humidity Test Thermal Cycle and Thermal Hysteresis Test Thermal Shock Test
12	End-Seal Integrity Test TABLE 2
13	Precision and Bias Keywords X1. THERMOMETER WIRE CONFIGURATIONS X1.1 FIG. X1.1
14	X2. BRIDGE METHODS FOR RESISTANCE THERMOMETRY X2.1 X2.2 X2.3 X2.4 X2.5 X2.6 FIG. X2.1 FIG. X2.2
15	FIG. X2.3 FIG. X2.4 FIG. X2.5
16	X3. POTENTIOMETER METHOD FOR RESISTANCE THERMOMETRY X3.1 FIG. X2.6
17	X4. EXPECTED REPEATABILITY AND REPRODUCIBILITY OF THE TEST RESULTS TABLE FIG. X3.1

Additional information

Standard Title	E644-08 Standard Test Methods for Testing Industrial Resistance Thermometers
Published Code	ASTM
Publication Date	2008
Pages Count	18
ICS Codes	17.200.20 - Temperature-measuring instruments

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ASTM-E644 2008

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