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Electrical: |
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Impedance Measurement: |
Accuracy: ± 1% of reading ± 1 digit (Notes 1 & 2) |
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Range: 0 to 199.9 milliohms |
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Measurement Technique: True rms conversion of sense voltage divided by true rms conversion of test current independent of phase. Voltage is sensed at the probe's measurement ends by internal probe sense lines or, if Model 109 probes are utilized, by precision Kelvin sensing |
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Digital Current Measurement: |
Accuracy: ± 1% of reading ± 1 digit (Note 1) |
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Range: 2.5 to 100 Amps rms (Note 3) |
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Measurement Technique: True rms conversion of internal precision shunt resistor voltage. |
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Bar Graph Current Measurement: |
Accuracy: ± 1.5% of reading at transition points (every 2.5 Arms) (Note 1) |
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Range: 2.5 to 77.5 Amps rms (0 to 2.5 Arms implied) (Note 3) |
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Measurement Technique: True rms conversion of internal precision shunt resistor voltage. |
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Operating Duty Cycle: |
Continuous to test currents of 35 Amps. |
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Derate linearly to 50% duty cycle at 50 Amps. |
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Maximum Cycle Period: 35 to 50 Amps: 4 Minutes |
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Maximum allowed common mode voltage to ground: |
50 Vrms, 71 Vpeak or dc |
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Maximum normal mode open circuit probe source voltage (at 132 Vrms line voltage): |
8.6 Vrms, 12.1 Vpeak |
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Input Power Requirements: |
90 to 132 Volts rms |
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48 to 66 Hertz sine wave |
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Maximum Power: 330 Watts (2.5 Arms at 132 Vrms) |
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Check Resistor: |
Resistance: 100 milliohms ± 1% |
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Maximum continuous current: 17.5 Amps |
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Verification Schedule: |
There are no calibration adjustments, and thus no calibration is required or possible. Complete the formal performance verification procedure annually or following any repair service. |
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Environmental: |
Operating Temperature Range: 5 to 40°C |
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Relative Humidity Range: 0 to 90% non-condensing |
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Physical: |
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Mass: |
7.3 kilograms (Weight: 16 pounds) {Including two probes} |
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Overall Dimensions: |
Height: 23.27 centimeters (9.16 inches) |
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Width: 19.89 centimeters (7.83 inches) |
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Depth: 22.56 centimeters (8.88 inches) |
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Probe Length, Each Side: |
Standard: 1.5 Meters (4.9 feet) |
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Maximum: 51.0 Meters (167.2 feet) at 50 Amps, 85.0 Meters (278.7 feet) at 40 Amps |