Current Measurement - Greenlee CM-660 Instruction Manual

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Typical Measurements and Accuracy (cont'd)

Current Measurement

µA DC Current
Flame Sensor
Pilot Flame
Control
Board
μDC Current (CMH-600 and CMI-600 only)
Range
200.0 μA ± (1.0% + 0.5 μA)
2000 μA ± (1.0% + 5 μA)
AmpTip™ Function AmpTip™ AC Current
Range
60.00 A
* For CM-660, CM-860, and CMH-600 only.
** For CM-960 and CMI-600 only, induced error for
adjacent current carrying conductors is < 0.01 A/A.
Hz
A
AmpTip™ DC Current (CM-960 and CMI-600 only)
Range
60.00 A
AmpTip™ DC + AC Current
(CM-960 and CMI-600 only)
Range
60.00 A
† Induced error for adjacent current carrying conductors is < 0.01 A/A.
Note: Use Δ if there is an offset before the measurement is taken.
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µA
Accuracy Burden Voltage
3.5 mV/μA
Accuracy at
Accuracy Range
50 Hz to 60 Hz**
< 0.20 A* unspecified
0.00 A to 3.99 A ± (1.5% + 0.15 A)
4.00 A to 60.00 A ± (1.5% + 0.05 A)
Accuracy Range Accuracy†
0.00 A to 3.99 A ± (2.0% + 0.15 A)
4.00 A to 60.00 A ± (2.0% + 0.05 A)
Accuracy Accuracy at DC,
Range 50 Hz to 60 Hz†
0.00 A to 3.99 A ± (2.0% + 0.17 A)
4.00 A to 60.00 A ± (2.0% + 0.07 A)
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