The MN291 is a general purpose AC current probe with voltage output. It is designed for use with DMMs or with measuring instruments with voltage inputs. These probes permit the measurement or recording of current with instruments without current ranges. The voltage output is proportional to the current measured (through the jaws). The MN291 offers a VDC output of 100mVDC per AAC and may be used with loggers or other instruments with DC voltage input. The MN291 has integral 5 ft (1.5m) leads terminated by shrouded banana plugs.
Specifications
ELECTRICAL
Nominal Range
200A
Measurement Range
0.5 to 240A
Transformation Ratio
DC Voltage output
Output Signal
100mV/ADC/AAC
Accuracy (200A Range)
0.5 to 10A
3.0% of Reading ± 50mV
10 to 40A
2.5% of Reading ± 50mV
40 to 100A
2.0% of Reading ± 50mV
100 to 240A
2.0% of Reading
Phase Shift (200A Range)
Not Applicable
Overload
240A for 10 min ON, 30 min OFF
Frequency Range
40 to 10kHz
Limit Operating Conditions
200A permanently to 1kHz; Derating above 3kHz: 200A x (1/0.333F), F in kHz
Crest Factor
3 @ 200Arms with an error (due to CF) of 4%
Working/Common Mode Voltage
600Vrms
Output Termination
5 ft Lead
MECHANICAL
Operating Temperature
14° to 131°F (-10° to 55°C)
Storage Temperature
-40° to 158°F (-40° to 70°C)
Operating Relative Humidity
10 to 35°C 85% RH (without roll-off above 35°C)
Jaw Opening
0.83" (21mm)
Maximum Conductor Size
0.78" (20mm)
Dimensions
5.47 x 2.00 x 1.18" (139 x 51 x 30mm)
Weight
6.5 oz (180g)
Polycarbonate Material
Polycarbonate with fiberglass charge, UL94 V0
SAFETY
Electrical
EN 61010-2-32
UL Approval
Yes – Canada and United States
Double Insulation
Yes
CE Mark
Yes
Note: Reference conditions: 20 to 26°C, 20 to 75% RH, external magnetic field <40A/m, 48 to 65Hz sine wave, distortion factor less than 1%, no DC component, no external current carrying conductor, test sample centered. Load impedance >1Ω
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