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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 TA368 is a flexible AC current probe utilizing the Rogowski principle and featuring a built-in integrator. Equipped with the Pico D9 probe interface, it is designed exclusively for use with the PicoScope 4444 True Differential Oscilloscope, which powers the probe and automatically sets the PicoScope software to the correct range and units.
The probe can be used to measure currents up to 2000 A from very low frequencies to 20 kHz. The flexible and lightweight measuring head allows quick and easy installation in hard-to-reach areas and with large conductors. The built-in integrator gives a voltage output directly proportional to the primary current.
| Specification | |
|---|---|
| Measuring range | 2000 A AC |
|
Output sensitivity (AC coupled) |
0.7 mV/A |
| Accuracy (45–65 Hz) | ±1% of reading ± 1 A |
| Minimum load | 100 kΩ for specified accuracy |
| Frequency range | 10 Hz to 20 kHz (–1 dB) |
| Phase (45–65 Hz) | < ±1° |
| Position sensitivity | ±2% of reading |
| External field | ±0.2% of range with cable > 100 mm from the probe |
| Noise | 0.6 A typical |
| Temperature coefficient | ±0.1% / °C |
| Power supply | 5 V nominal via PicoScope 4444 |
| General characteristics | |
| Probe length | 610 mm (24”), double-insulated |
| Probe diameter | 9.9 mm (0.39”) |
| Output cable | 2 m (78.7”) |
| Material | Alcryn 2070 NC, LATI LATENE 7H2W V0 |
| Degree of Protection | IP65 |
| Operating temperature | –20 °C to +65 °C (–4 °F to +149 °F) |
| Storage temperature | –40 °C to +75 °C (–40 °F to +167 °F) |
| Operating humidity | 15% to 85% (non-condensing) |
| Safety standards |
EN 61010-1 EN 61010-2-032 1000 V RMS Category III 600 V RMS Category IV Rated for continuous use |
| EMC | EN 61326-2-2 |
| Environmental standards |
RoHS and WEEE compliant Pollution Degree 2 |
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