Hypatia Model 306 high current sourcing milliohm meter

Hypatia Model 306 high current sourcing milliohm meter
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Specifications:

Electrical:
Impedance Measurement: Accuracy: ± 1% of reading ± 1 digit (Notes 1 & 2)
Range: 0 to 199.9 milliohms
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
Digital Current Measurement: Accuracy: ± 1% of reading ± 1 digit (Note 1)
Range: 2.5 to 100 Amps rms (Note 3)
Measurement Technique: True rms conversion of internal precision shunt resistor voltage.
Bar Graph Current Measurement: Accuracy: ± 1.5% of reading at transition points (every 2.5 Arms) (Note 1)
Range: 2.5 to 77.5 Amps rms (0 to 2.5 Arms implied) (Note 3)
Measurement Technique: True rms conversion of internal precision shunt resistor voltage.
Operating Duty Cycle: Continuous to test currents of 35 Amps.
Derate linearly to 50% duty cycle at 50 Amps.
Maximum Cycle Period: 35 to 50 Amps: 4 Minutes
Maximum allowed common mode voltage to ground: 50 Vrms, 71 Vpeak or dc
Maximum normal mode open circuit probe source voltage (at 132 Vrms line voltage): 8.6 Vrms, 12.1 Vpeak
Input Power Requirements: 90 to 132 Volts rms
48 to 66 Hertz sine wave
Maximum Power: 330 Watts (2.5 Arms at 132 Vrms)
Check Resistor: Resistance: 100 milliohms ± 1%
Maximum continuous current: 17.5 Amps
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.
Environmental: Operating Temperature Range: 5 to 40°C
Relative Humidity Range: 0 to 90% non-condensing
Physical:
Mass: 7.3 kilograms (Weight: 16 pounds) {Including two probes}
Overall Dimensions: Height: 23.27 centimeters (9.16 inches)
Width: 19.89 centimeters (7.83 inches)
Depth: 22.56 centimeters (8.88 inches)
Probe Length, Each Side: Standard: 1.5 Meters (4.9 feet)
Maximum: 51.0 Meters (167.2 feet) at 50 Amps, 85.0 Meters (278.7 feet) at 40 Amps