TB 9-4931-428-40
IDENTIFICATION AND DESCRIPTION
1. Test Instrument Identification.
This bulletin provides instructions for the
calibration of Thermometer Sets 7910479 and ASTM 80-182 (80-211-22) and Thermometer
ASTM 50F (7913469). The manufacturer's manual was used as the prime data source in
compiling these instructions. The equipment being calibrated will be referred to as the TI
(test instrument) throughout this bulletin.
a. Model Variations. Variations among models are described in text.
b. Time and Technique. The time required for this calibration is approximately 8
hours, using the physical technique.
2. Forms Records, and Reports
a. Forms, records, and reports required for calibration personnel at all levels are
prescribed by TB 750-25.
b. Adjustments to be reported are designated (R) at the end of the sentence in which
they appear. When adjustments are in tables, the (R) follows the designated adjustment.
Report only those adjustments made and designated with (R).
3. Calibration Description.
TI performance specifications which pertain to this
calibration are listed in table 1.
Table 1. Calibration Description
Test instrument
Performance specifications
Range: -38 +2 C
62C
0.1 C
(7912276-1)
Accuracy:
Range: -8C +32 C
63C
0.1 C
7912276-2)
Accuracy:
A
64C
Range: 25C to 55
0.1 C
(7912276-3)
ccuracy:
Range: 50C to 80 C
65C
0.1 C
(7912276-4)
Accuracy:
Range: 75C to 105 C
66C
0.1 C
(7912276-5)
Accuracy:
Range: 95C to 155 C
67C
0.2 C
(7912276-6)
Accuracy:
Range: 145C to 205 C
68C
0.2 C
(7912276-7)
Accuracy:
Range: 195C to 305 C
69C
0.5 C
(7912276-8)
Accuracy:
Range: 50F to 101 F
ASTM 50F
0.1 F
(7913469)
Accuracy:
ASTM 80-182
1
(80-211-22)
1See
note after table 5.
2 CHANGE 1
