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The MN261 is a high sensitivity probe with voltage outputs (100mV/A and 10mV/A) and combine two switch-selectable ranges of 20A and 200A, thus permitting accurate measurements at low and high levels. The MN261 is designed for oscilloscopes and other BNC terminated instruments. It has two performing ranges (20A, 200A) both voltage output (100mV/A and 10mV/A) and 40Hz to 10kHz response.
| ELECTRICAL | |
| Nominal Range | 20A & 200A |
| Measurement Range | 0.1 to 24A, 0.5 to 240A |
| Transformation Ratio | Voltage output |
| Output Signal | 20A: 100mV/A, 200A: 10mV/A |
| Accuracy (20A Range) | 1% of Reading ± 50mV |
| Phase Shift (20A Range) | Not Specified |
| Overload (20A Range) | 24A for 10 min ON, 30 min OFF |
| Accuracy (200A Range) | |
| 0.5 to 10A | 3.0% of Reading ± 5mV |
| 10 to 40A | 2.5% of Reading ± 5mV |
| 40 to 100A | 2.0% of Reading ± 5mV |
| 100 to 240A | 1.0% of Reading ± 5mV |
| Phase Shift (200A Range) | |
| 0.5 to 10A | Not Specified |
| 10 to 40A | ≤5.0° |
| 40 to 100A | ≤3.0° |
| 100 to 240A | ≤2.5° |
| Overload (200A Range) | 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 | 6 ft BNC |
| 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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