TB 9-6625-195-24
Table 1. Calibration Description Continued.
Test instrument parameters
Performance specifications
AC voltage (continued):
Model 88 (CAT II)
Range:
0-300 V ac
Frequency Range: 45 Hz to 1 kHz
Range:
400 mV
Accuracy: (1.5% of rdg +10 counts) 1
Range:
4 to 300 V
Accuracy: (1.5% of rdg +5 counts)
Range:
300 V
Accuracy: (2.5% of rdg +5 counts)
Frequency Range: > 1 kHz to 5 kHz
Range:
400 mV
Accuracy: (1.9% of rdg +10 counts)
Range:
4 to 300 V
Accuracy: (1.9% of rdg +5 counts)
Range:
300 V
Accuracy: (2.5% of rdg +5 counts)
DC current:
Range:
0 to 10 A dc
All Models
Range:
40 to 4000 mA
Accuracy: (0.8% of rdg + 2 counts)
Range:
10 A dc
Accuracy: (1.3% of rdg + 2 counts)
AC current:
Range:
0 to 10 A ac 40 Hz-2 kHz
Model 88
Range:
0 to 10 A ac 45 Hz-2 kHz
Model 88 (CAT II)
Range:
40 mA
Accuracy:
(3% of rdg + 10 counts)
Range:
400 mA
Accuracy:
(3% of rdg + 5 counts)
Range:
4000 mA and 10 A
Accuracy:
(1.5% of rdg + 5 counts)
Range:
3V
Accuracy:
(2% of rdg + 2 counts)
All Models
Range:
0 to 400 MΩ
400 Ω to 4 MΩ
Range:
Accuracy: (0.2% of rdg + 2 counts)
40 MΩ ranges
Range:
Accuracy: (1% of rdg +3 counts)
400 MΩ range
Range:
Accuracy: (1% of rdg + 20 counts)
Frequency:
Range:
0.5 Hz to 200 kHz
Accuracy: (0.01% of rdg + 1 count)
Minimum Sensitivity (RMS sine wave)
Range
0.5 Hz to 400 Hz
≤ 70 mV rms
400 mV dc
Range
0.5 Hz to 200 kHz
All
≤ 150 mV rms
Models
400 mV ac
≤ 0.7 V rms
4 V ac
≤ 7.0 V rms
40 V ac
≤ 70.0 V rms
400 V ac
Model 88
≤ 700.0 V rms
only
1000 V ac
≤ 70.0 V rms
300 V ac
Model 88
(CAT II) only
For readings <200 counts, add 10 counts.
1
3
