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The SR604 is a general purpose 1000AAC current probe designed for use with DMMs, loggers and other instruments that have a current input. It has a 1000:1 ratio and output of 1mA per amp measured in the jaw. The SR604 has an integral 5 ft (1.5m) lead terminated shrouded banana plugs. The rounded jaw design on this probe makes it well-suited for power applications where high accuracy and low phase shift is important.
| Model | SR604* |
| ELECTRICAL | |
| Nominal Range | 1000A |
| Measurement Range | 0.1 to 1200A |
| Transformation Ratio | 1000: 1 |
| Output Signal | 1mAac/Aac: (1Aac @ 1000A) |
Accuracy (1000A Range) 0.1 to 10A |
≤3% + 0.1A |
Phase Shift (1000A Range) 50A |
1.5° |
| Overload | 1200A for 40 min ON, 20 min OFF |
| Frequency Range | 30Hz to 5kHz; current derating above 1kHz using the formula: 1000A x 1/F (in kHz) |
| Load Impedance | 5Ω max |
| Working/Common Mode Voltage | 600V Cat. III |
| Output Termination | Lead |
| MECHANICAL | |
| Operating Temperature | -14° to 122°F (-10° to 50°C) |
| Storage Temperature | -4° to 158°F (-20° to 70°C) |
| Operating Relative Humidity | 0 to 85% @ 35°C |
| Jaw Opening | 2.25" (57mm) max |
| Maximum Conductor Size | 2.05" (52mm) |
| Maximum Bus Bar Size | One 1.95 x 0.19" (50 x 5mm) |
| Dimensions | 4.37 x 8.50 x 1.77" (111 x 216 x 45mm) |
| Weight | 1.21 lbs (550g) |
| Polycarbonate Material | Handles: Polycarbonate + ABS, Gray, UL94 V0. Jaws: Polycarbonate, Red, UL94 V0 |
| SAFETY | |
| Electrical | EN 61010-2-032 |
| UL Approval | Yes – Canada and United States |
| Double Insulation | Yes |
| CE Mark | Yes |
Note: Reference conditions: 23 ± 3°K, 20 to 75% RH, 48 to 65Hz, external magnetic field <40A/m, no DC component, no external current carrying conductor, test sample centered. Load impedance 0.2Ω @ lead <40mΩ for 250A range.
*Diode Protection for open secondary (Output)
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