China Point Type Cable and Wire Power Frequency Spark Testing Machine Instrument, Find details about China Testing Machine, Testing Equipment from Point Type Cable and Wire Power Frequency Spark Testing Machine Instrument
Type | ST-15A | ST-25A | ST-25AT |
Voltage output | 1.0-15kV | 2.0-15kV | 2.0-15kV |
Voltage indication error | <5% | <5% | <5% |
Detection sensitivity | <600μA | <600μA | <600μA |
Stability | Complying with the requirements of GB3048.9-1994 and JB/T 4728.10 | ||
Dectection resolution | 0.05s | 0.05s | 0.05s |
Transient breakdown current | 100mA | 50mA | 50mA |
Steady short-circuit current | <20mA | <20mA | <20mA |
Detction Speed, Max | 300m/min | 350m/min | 350m/min |
Overall diameter of tested wire or cable, max | ≤30mm | ≤55mm | ≤100mm |
Type | ST-15D |
Voltage output | DC 0-15000V |
Effective test voltage | DC 500-15000V |
AC pulse ratio | <5% |
Voltage stability | The power supply voltage fluctuates by ±15%, and the output voltage remains unchanged |
Breakdown sensitivity | <600μA |
Steady-state short-circuit current | 3-4mA |
Max.frequency of breakdown counting | 10times/sec |
Max.diameter of the tested wire | 10mm |
Max.moving speed of the tested wire | 2800m/min |