Socket & See CB400 Product Description:
The SOCKET & SEE CB200 provides a quick and simple method of checking the accuracy of electrical installation test instruments.
The Socket & See CB400 does not replace some calibration requirements but provides a ready check on instrument accuracy helping to minimise incorrect certification and costly revisits to confirm installation compliance. The Socket & See CB400 provides accuracy checks for test instruments used to measure:
- Continuity
- Insulation Resistance
- Earth Fault Loop Impedance
- Operation of Residual Current Devices.
Socket & See CB400 Features:
- Non-trip RCD testing method
- Continually validate your instruments through regular self-calibration checks
- Reduces expensive calibration costs
- Null facility to remove lead resistance
- Six Insulation check levels
- Five Continuity check levels
- Three Loop check levels
- Five checks covering 30mA and 100mA RCD’s
- Checks RCD over current test
- Tough drop-proof watertight case
Socket & See CB400 Specification:
| Function | Check Values | Accuracy | Rating |
| Insulation Test | 0.25MΩ | 1% | Up to 1000V |
| 0.5MΩ | 1% | Up to 1000V | |
| 1.0MΩ | 1% | Up to 1000V | |
| 2.0MΩ | 1% | Up to 1000V | |
| 10MΩ | 1% | Up to 1000V | |
| 200MΩ | 2% | Up to 1000V | |
| Output Voltage | 250V @ 0.25MΩ | ||
| 3 bands | 500V @ 0.5MΩ | ||
| 1000V @ 1.0MΩ | |||
| Continuity Test | Null | 1% ±20mΩ | Current rating: 1A |
| 0.5Ω | 1% ±20mΩ | Current rating: 1A | |
| 1.0Ω | 1% ±20mΩ | Current rating: 1A | |
| 2.0Ω | 1% ±20mΩ | Current rating: 1A | |
| 100Ω | 1% | Current rating: 250mA | |
| 2000Ω | 1% | Current rating: 25mA | |
| Loop Test (non-trip) | Local | – | Current rating: 25A (pulsed) 10ms pulses |
| Additional 1Ω | 1% ±20mΩ | ||
| Additional 100Ω | 1% | ||
| RCD Test | 30mA (x 1) | 5% | 30mA AC type |
| 30mA (x 5) | 5% | 30mA AC type | |
| 30mA (x 1/2) | 5% | 30mA AC type | |
| 100mA (x 1) | 5% | 100mA AC type | |
| 100mA (x 1/2) | 5% | 100mA AC and ACS type | |
| Current break time | 38ms ± 1ms | ||
| LED for Current accuracy | > 200mA @ 2 ohm | 1% | |
| Case size: 328 x 230 x 125 mm | |||
| Safety: Complies with IEC EN 61010 | |||
| Weight without leads: 2.42kg | |||
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