TB 9-6695-293-50
Table 2. Minimum Specifications of
Equipment Required
Manufacturer and model
Common name
Minimum use specifications
(part number)
AC MEASUREMENT
Range: 2.0 mV to 1000 V ac
Fluke, Model 5790A
STANDARD
Accuracy: Test report1
(13534003)
AC SHUNT SET
Range: 10 mA to 10 A
Holt Instrument Laboratories,
Accuracy: Test report1
Model HCS1 (MIS-10235)
DC REFERENCE
Range: 10 V dc
John Fluke, Model 732A (732A)
STANDARD
Accuracy: Test report
Fluke, Model PM6681/656
Range: 10 Hz to 30 MHz
(PM6681/656)
Accuracy: 0.0025%
Dc volts:Range: 100 mV through 1000 V
Hewlett-Packard, Model
Accuracy: From 2.1 ppm @ 10 V
3458A (3458A)
to 5.2 ppm at 500 V 2
Dc current: Range: 100 A through 100 mA
Accuracy: From 13 ppm @ 10 mA
to 28 ppm at 100 mA 3
Accuracy: From 2.2 ppm @ 10 kΩ
to 11 ppm at 1 MΩ 2
RESISTANCE
Biddle Instruments, Model 71-
Range: 100Ω to 1000Ω
631 (7910328)
STANDARD
Accuracy: 1.0%
ESI, Model SP2980
RESISTANCE
Range: 1.9 to 100 MΩ
(MIS-10281)
MEASURING SYSTEM
Accuracy: From 10 ppm @ 190 MΩ to
32.5 ppm at 100 MΩ
STANDARD RESISTOR
Value: 10 kΩ
General Radio, Type 1444A
NO. 1
(MIS-10400)
Accuracy: Test report
STANDARD RESISTOR
Value: 1.0Ω
L&N, Model 4020B (8616289)
NO. 2
Accuracy: Test report
STANDARD RESISTOR
L&N, Model 4221B (8616294)
Value: .10Ω
NO. 3
Accuracy: Test report2
STANDARD RESISTOR
Biddle Gray, Model 601235
Value: .010Ω
NO. 4
(7902994)
Accuracy: Test report2
STANDARD RESISTOR
Biddle Gray, Model 601240
Value: .001Ω
NO. 5
(7902993)
Accuracy: Test report2
1Combined
accuracy of ac shunt set and ac measurement standard is : From 50 ppm @ 10 mA, 1 kHz to .255% @2.0 A, 10
kHz.
2Utilizes manufacturer's 24-hour specification for dc voltage, resistance (0 through 1 MΩ), and dc current (100 A to 100
mA).
3Combined accuracy of multimeter and standard resistor No. 3 is 0.002%, No. 4 is 0.01%, and No. 5 is +0.016%.
CHANGE 1
8