5068B Insulation Tester Calibration Module
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Description
A precision CalBench module suitable for calibrating and testing general purpose insulation testers and megohmmeters with test voltages up to 2.5kV. The insulation tester being calibrated can be tested for open circuit voltage and short circuit current. These are displayed on the digital meter on the front panel. Nine selectable precision resistors provide the insulation resistance test.
Also fitted are 4 fixed low resistance values for verification of the low ohm ranges and continuity.
Thông số kỹ thuật
| Resistance (Insulation) | 10GΩ, 1GΩ, 400MΩ, 250MΩ, 100MΩ, 10MΩ, 1MΩ, 500KΩ, 100KΩ |
| Resistance (Low ohm) | 1Ω, 10Ω, 100Ω, 1KΩ |
| Resistance Accuracy | Low Ohm = 1%. Insulation resistance: 100KΩ to 1GΩ = 1%, 10GΩ = 5% |
| Resistance Temperature Coefficient | < 250ppm/°C insulation resistance, < 50ppm/°C low ohm resistance |
| Continuity | Selectable 5Ω |
| Open Circuit Voltage Measure | 0 to 2kV range, 0 to 2.5kV range, both ranges 1% of full scale accuracy |
| Voltage Display | 1.999kV full scale, and 2.50kV full scale |
| Voltage Temperature Coefficient | < 300ppm/°C |
| Short Circuit Current Measure | 0 to 2mA range, 0 to 20mA range, both ranges 1% of full scale accuracy |
| Current Display | 1.999mA full scale, and 19.99mA full scale |
| Current Temperature Coefficient | < 450ppm/°C |
| Module Width | 295mm (primary or secondary console fitting) |
| Supplied With | Safety connection leads to allow custom 4mm connectors and low resistance leads. |
| Optional Extras | Calibration certificates traceable NPL and UKAS |
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