TB 9-6625-2267-35
Table 1. Calibration Description - Continued
Test
Performance specifications
Accuracy: (% of reading + % of range)
instrument
parameters
4 1/2 digits (1999.9 maximum display)
Ac current2
Range: 0 to 2000 mA (in 5 ranges)
Frequency: 30 Hz to 10 kHz
Accuracy:
Range
30 Hz
50 Hz
5 kHz
10 kHz
200 A through .6 + .1
.3 + .08
200 mA
2000 mA
N/A
Dc current
Range: 0 to 2000 mA (in 5 ranges)
Accuracy:
Range: 200 A through 200 mA.......... 0.1 + 0.01
2000 mA.................................. 0.2 + 0.01
Range: 0 to 20 MΩ (in 6 ranges)
Accuracy:
Range:
200Ω ..........................................
.1 + .015
2 kΩ............................................
.1 + .005
20, 200, and 2000 kΩ .............
.05 + .005
20 MΩ
...................2 +
.005
1Volts/hertz
product not to exceed 2 x 107
2Ac current verified during dc current check since same shunt resistors are utilized for both checks.
EQUIPMENT REQUIREMENTS
calibration procedure. This equipment is issued with Secondary Transfer Calibration
Standards Set AN/GSM-286. Alternate items may be used by the calibrating activity.
The items selected must be verified to perform satisfactorily prior to use and must bear
evidence of current calibration. The equipment must meet or exceed the minimum use
specifications listed in table 2.
usage accessories, issued as indicated in paragraph 4 above, and are not listed in this
calibration procedure.
