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Clamp-on current probes or “current clamps” enable you to measure currents without breaking the electrical circuit. Current clamps are designed with jaws that can be opened, placed around the conductor and clamped shut to form a magnetic loop around the conductor.
Current clamps offer a safe, cost-effective, simple and accurate way to take current measurements.
Our range of current clamps can be used with PicoScope Oscilloscopes and PicoLog Data Loggers, as well all major brands of oscilloscopes and multimeters.
The TA301 is a high-bandwidth, high-current probe fitted with a D9 connector specifically designed to work with the PicoScope 4444 differential oscilloscope. The probe is automatically sensed by the PicoScope 4444 oscilloscope and features two current ranges: 200 A and 2000 A, AC or DC. The range is selected in the PicoScope 6 software, which also sets the probe range and vertical axis scaling.
| TA301 Specifications | ||
|---|---|---|
| Electrical data (all accuracies are stated at 23 °C ± 1 °C) | ||
| Nominal current | 2000 A AC peak or DC | |
| Measuring ranges | 200 A, 2000 A | |
| Overload capacity | 2200 A (60 s) | |
| Output sensitivity | 10 mV/A, 1 mV/A | |
| Accuracy (0 to 200/1500 A) | ±1% of reading ± 100 mA, ± 500 mA | |
| Accuracy (1500 to 1800 A) | ±3% of reading | |
| Accuracy (1800 to 2000 A) | ±6% of reading | |
| Resolution | ±50 mA, ±400 mA | |
| Gain variation | ± 0.1% of reading/°C | |
| Frequency range | DC to 20 kHz (–1 dB), IRMS x f ≤ 400,000 | |
| Power supply | 5 V nominal through PicoScope 4444 | |
| Load impedance (minimum) | > 100 kΩ and ≤ 100 pF | |
| General data | ||
| Conductor size | 32 mm diameter | |
| Output cable and connectors | 2 m long screened cable terminated with D9 plug | |
| Operating temperature | 0 °C to +50 °C | |
| Storage temperature | –20 °C to +85 °C | |
| Safety and environment | ||
| Safety compliance |
EN 61010-1 EN 61010-2-032 |
|
| Overvoltage category | 150 V CAT II | |
| Pollution degree | 2 | |
| EMC compliance | EN 61326-2-2 | |
| Environmental compliance | RoHS and WEEE | |
| General environment for safe use | Indoor use only | |
| Max. altitude for safe use | 2000 m | |
| Temperature range for safe use | 0 °C to 50 °C | |
| Max. humidity for safe use | 80% RH for temperatures up to 31 °C, decreasing linearly to 40% RH at 50 °C | |
| Max. voltage on uninsulated conductors | 150 V AC RMS or DC | |
| Max. frequency on uninsulated conductors | 1 kHz | |
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