TB 9-4931-217-40
5. Accessories Required. The accessories required for this calibration are common
usage accessories, issued as indicated in paragraph 4 above, and are not listed in this
calibration procedure. The following peculiar accessories are also required for this
calibration: Two, No. 14 AWG, insulated, untinned, single copper conductor wires, (MIL-
WW-76, HWC14-1U0); Fixed resistor, 10 , 1 W, 5%.
Table 2. Minimum Specifications of Equipment Required
Common name and/or
Manufacturer and model
(official nomenclature)
Minimum use specifications
(part number)
1
AC GENERATOR
Electro Scientific, Model 860AMOD
DETECTOR
(7904456-2)
1
AC/DC GENERATOR
Electro Scientific, Model 865A
DETECTOR
AUTOTRANSFORMER
Range: 105 to 125 V ac
Ridge, Model 9020A (9020A)
Accuracy: 1%
CALIBRATOR
Range: 2.75 mV to 1050 V dc
Fluke, Model 5720A (5700A/EP)
Accuracy: 0.276%
(p/o MIS-35947); w/ amplifier,
Fluke 5725A/AR (5725A/AR)
CAPACITANCE STANDARD
Arco Electronic, Model SS-32
Value: 0.1 F
Accuracy: 0.03% or test
(7907233)
report value
1
DC GENERATOR
Electro Scientific, Model 801MOD
DETECTOR
(7912151-2)
DC VOLTAGE DIVIDER
Range: 1 to 0.001
Electro Scientific, Model RV722
Accuracy: 1 ppm
(RV722)
FIXED INDUCTANCE
Value: 100 mH
General Radio, Model 1482L
Accuracy: 0.04% or test
STANDARD
(8205518)
report value
FREQUENCY COUNTER
Range: 990 to 2020 Hz
Fluke, Model PM6681/656
Accuracy: 0.25%
(PM6681/656)
FUNCTION/ARBITRARY
Range: 990 to 2020 Hz
Agilent, Model 33250A
GENERATOR
Output level: 0.01 to 200 mV
(33250A)
Range: 1.6 to 670 V (dc)
Hewlett-Packard, Model 3458A
0.035 to 6 V (ac)
(3458A)
Accuracy: 1.66%
1
RESISTANCE BRIDGE
Electro Scientific, Model 230B
(GUARDED RESISTANCE
(7912150-2)
BRIDGE)
Aange: 0.9 to 110,010
RESISTANCE MEASURING
Electro Scientific, Model SP2980
R
ccuracy: 0.00125%
SYSTEM
(MIS-10281)
A
RESISTANCE STANDARD
Biddle-Gray, Model 71-631
Range: 10 to 110 k
ccuracy: 0.033%
NO. 1
(7910328)
General Radio, Model 1444
RESISTANCE STANDARD
Range: 10 k nominal with
(MIS-10400)
NO. 2
certificate
Stability: 1 ppm (short term)
0.00025%
Accuracy:
A
RESISTOR STANDARD
Leeds and Northrop, Model 4020B
Value: 1
ccuracy: 0.02%
NO. 1
(8616289)
A
RESISTOR STANDARD
Leeds and Northrop, Model 4025B
Value: 10
ccuracy: 0.02%
NO. 2
(8616290)
See footnote at end of table.