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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.
| 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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