TB 9-6625-2243-24
Table 5. Model 75 Specifications
Performance specifications
Test instrument parameters
(% of reading + counts)
Dc voltage
Range:
Accuracy:
(0.5% + 1)
320 mV to 320 V
(0.6% + 1)
1000 V
Ac voltage
Range:
Accuracy:
(2.0% + 2)
3.2 V, 45 to 500 Hz
(2.0% + 2)
32 to 750 V, 45 Hz to 1 kHz
Dc Current
Range:
Accuracy:
(1.5% + 2)
32 mA
(2.0% + 2)
320 mA
(1.5% + 2)
10 A
1
Ac Current
Range: 0 to 10 A, 45 Hz to 1 kHz
Accuracy: (3.0% + 2)
Range:
Accuracy:
(0.7% + 2)
320
(0.7% + 1)
3200 to 3.2 M
(2.5% + 1)
32 M
1
Ac current verified by dc current checks because both use the same shunt resistors.
Table 5a. Model 75 Dc Voltage
Performance Checks
Test
Test instrument indications
instrument
Calibrator
range settings
output settings
Min
Max
320
mV
300 mV
298.4
301.6
3.2 V1
3V
2.984
3.016
32
V
30 V
29.84
30.16
320
V
300 V
298.4
301.6
1000
V
900 V
894
906
1
Set function switch to V dc.
Table 5b. Model 75 Ac Voltage
Performance Checks
Calibrator output
Test
settings
Test instrument indications
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
750 V
700
45
684
716
750 V
700
1000
684
716
8