This is a set of Extech 1200A current probes designed to be used with the Extech PQ3450 or PQ3470 Power Analyzers. These probes are shipped fully tested and calibrated and, with proper use, will provide years of reliable service.
This manual provides instructions for the Extech PQ34-12 Current Probe Set, which consists of three 1200A probes designed for use with Extech PQ3450 or PQ3470 Power Analyzers. It details the components, including current sensing jaws and range switches, and explains the connection and operation procedures.
| Measurement ranges | 20A, 200A and 1200A, switch selectable |
|---|---|
| Output sensitivity (20A range) | 10mV/A |
| Output sensitivity (200A range) | 1mV/A |
| Output sensitivity (1200A range) | 0.1mV/A |
| Output coupling | AC coupled |
| Accuracy | ±1% F.S. @ 23°C |
| Frequency range | 45 to 400 Hz |
| Minimum load | 100 K ohm |
| Enclosure material | UL 94-V0 rated |
| Safety | IEC 1010, Category III 600V |
| Power Supply | 8V+ 1V (supplied from meter) |
| Max. Jaw Open Size | 50 mm (2.0 inch) Dia. |
| Operating Temperature | 0°C to 50°C |
| Cable length | 4 meters (13.17 feet) |
| Weight | 490 g (1.08 LB) |
The probes are designed to be used with the Extech PQ3450 or PQ3470 Power Analyzers.
The set offers switch selectable ranges of 20A, 200A, and 1200A.
The output coupling is AC coupled.