TB 9-6625-174-24
APPENDIX B
PERFORMANCE TABLES
Greenlee, Model CM-1500
Table B-114. Calibration Description.
Test instrument parameters
Performance specifications
DC VOLTAGE
Range: 0 to 1000 V dc
Accuracy: 400 V range, (0.7% rdg + 0.2 V); 1000 V range, (0.7% rdg + 2 V)
AC VOLTAGE
Range: 0 to 750 V ac, 50 to 500 Hz
Accuracy: 400 V range, (1.0% rdg + 0.5 V); 750 V range, (1.0% rdg + 5 V)
PEAK HOLD
Accuracy: 0 to 750 V p, (3.0% rdg + 20 dgts)
DC CURRENT1
Range: 0 to 1000 A dc
Accuracy: 400 A range, (1.0% rdg + 0.3 A); 1000 A range, (1.9% rdg + 7 A)
MIN/MAX
Accuracy: Add 15 dgts to range specification
AC CURRENT1
Range: 0 to 1000 A ac
Accuracy: 400 A range: 0.0 to 60.0 A @ 50 to 60 Hz, (1.5% rdg + 0.5 A); 0.0 to
60.0 A @ 61 to 400 Hz, (1.9% rdg + 0.5 A); 60.0 to 400.0 A @ 50 to
60 Hz, (1.5% rdg + 0.5 A); 60.0 to 400.0 A @ 61 to 400 Hz, (1.9%
rdg + 0.5 A); 1000 A range: 400 to 1000 A @50 to 60 Hz, (1.9% rdg
+ 7 A); 400 to 1000 A @61 to 400 Hz, (2.5% rdg + 7 A)
MIN/MAX
Accuracy: Add 15 dgts to range specification
PEAK HOLD
Accuracy: 0 to 800 A p, (3.0% rdg + 20 dgts)
Range: 0 to 400 Ω
Accuracy: (1.0% rdg + 0.3 Ω)
FREQUENCY (A ac mode)
Range: 0.020 to 0.400 kHz
Accuracy: (0.1% rdg + 0.002 kHz)
Sensitivity: 3 A rms
Ensure coil is positioned in center of TI jaws. Improper placement can add position error of up to 1% to indication.
1
Table B-115. DC Voltage.
Calibrator output
Test instrument
Applied
Range
Limits (V dc)
(V dc)
(V dc)
Min
Max
120
400
119.0
121.0
280
400
277.8
282.2
360
400
357.3
362.7
-360
400
-362.7
-357.3
900
1000
892
908
Table B-116. AC Voltage.
Calibrator output
Test instrument
Applied
Range
Limits (V ac)
(V ac)
(V ac)
Min
Max
360 @ 50 Hz
400
355.9
364.1
360 @ 500 Hz
400
355.9
364.1
360 @ 500 Hz1
4742
5442
750
675 @ 50 Hz
750
663
687
675 @ 500 Hz
750
663
687
Momentarily press TI PEAK switch to On.
1
Set calibrator to STBY before verifying limits. Press and hold TI PEAK switch to off after verifying limits.
2
B-33