TB 9-6625-2243-24
Table 7. Model 75 Series III Specifications
Performance specifications
Test instrument parameters
(% of reading + counts)
Dc voltage
Range:
Accuracy:
(0.3% + 1)
320 mV to 320 V
(0.4% + 1)
600 V
Ac voltage
Range:
Accuracy:
(2.0% + 2)
3.2 V, 45 to 500 Hz
(2.0% + 2)
32 to 600 V, 45 Hz to 1 kHz
Dc Current
Range: 32 mA, 320 mA and 10 A
Accuracy: (1.5% + 2)
1
Ac Current
Range: 0 to 10 A, 45 Hz to 1 kHz
Accuracy: (2.5% + 2)
Range:
Accuracy:
(0.5% + 2)
320
(0.5% + 1)
3200 to 3.2 M
(2.0% + 1)
32 M
1
Ac current verified by dc current checks because both use the same shunt resistors.
Table 7a. Model 75 Series III Dc Voltage
Performance Checks
Test
Test instrument indications
instrument
Calibrator
range settings
output settings
Min
Max
320 mV
300 mV
299
301
1
3.2 V
3V
2.99
3.01
32 V
30 V
29.9
30.1
320 V
300 V
299
301
600 V
500 V
497
503
1
Set function switch to V dc.
Table 7b. Model 75 Series III Ac Voltage
Performance Checks
Calibrator output
settings
Test instrument indications
Test
instrument
Voltage
range settings
(V)
(Hz)
Min
Max
3.2 V
3
45
2.938
3.062
3.2 V
3
500
2.938
3.062
32
V
30
45
29.38
30.62
32
V
30
1000
29.38
30.62
320
V
300
1000
293.8
306.2
320
V
300
45
293.8
306.2
600
V
500
45
488
512
600
V
500
1000
488
512
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