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CABLE SPARK TESTING

InteliSENS™ ST-HF Series

InteliSENS™ ST1525-HF - front view(with optional AiG2 interface display unit)
InteliSENS™ ST1525-HF - rear view (with optional AiG2 interface display unit)
InteliSENS™ ST1525-HF - ball chain electrode view
InteliSENS™ ST1525-HF - connector panel view

Features

  • 25mm maximum cable or wire diameter.
  • 100mm long bead chain electrode.
  • 15kV maximum test voltage.
  • Distinguishes and separately counts pinhole and bare patch flaws.
  • 2.1 to 4.5kHz sine wave test frequency (load dependent).
  • 2000 to 3000 m/min line speed (test frequency dependent).
  • Ozone extraction port.
  • UL1581 compliant spark testing.

Introduction

Proton Products InteliSENSTM ST-HF series high frequency spark testers meet the international standards stipulated for cable insulation testing.

High frequency spark testing allows a greatly increased line speed capability compared with mains frequency testing, especially in the case of UL1581, where the 9-cycle requirement makes the electrode length required for mains frequency testing impractical. Compared with mains frequency testing, high frequency testing generates an ionization cloud at a relatively low voltage. This ensures complete coverage of the cable surface.

The InteliSENSTM ST-HF Series gauge head electronics are housed in a rugged IP65 sealed steel case, ensuring reliability and long operational life.

Specifications

ST1525-HF Specification
Minimum
Typical
Maximum
Units
Cable diameter0.425mm
UL1581 compliant line speed3000m / min
Electrode length100mm
Electrode type2.5mm bead chain
EHT test output voltage015kV (rms)
EHT test output voltage resolution0.1kV (rms)
EHT test output voltage accuracy1%kV (rms)
EHT test output frequency2.14.5kHz
EHT test output capacitive current (at 15 kV)24mA (rms)
EHT test output resistive current5mA (rms)
EHT test output continuous short circuit current5mA (rms)
Power supply voltage85220264VAC (rms)
Power supply frequency4765Hz
Power consumption (with optional AiG2 interface display unit)100W
Weight25kg
Operating temperature545°C
41113°F

Standard Interfaces

Enable inputSafety interlock input to enable the EHT test output voltage
2x Logic inputsFixed functionNot assigned
Reset current length and all fault counts and positions
Maximum input voltage24 V dc
3x Relay outputsUser configurable functionHigh voltage indication
Pin-Hole detected
Bare-Patch detected
Pin-Hole or Bare-Patch detected
Maximum fault count reached
Isolated contacts, maximum rating50 VDC / 30 VAC / 0.5 A
Analogue input0 - 10 V dc; controls the EHT test output voltage, user scalable
Analogue output0 - 10 V dc; proportional to the measured EHT test output voltage, user scalable
Line speed input50 V maximum pulses, 250 kHz maximum frequency, user scalable
Standard communication interfacesCAN-bus*RS-232**
RS-422 / 485Ethernet
* CAN-bus protocol is proprietary and only for connection to other Proton Products equipment such as an optional AiG2 interface display unit.
** An optional RS-232-to-USB converter cable is available for connection to USB equipped computers.

Optional Interfaces

must be specified for installation at time of manufacture; cannot be retrofitted

Wireless (choice of any one of; not available in European markets)WiFi
Bluetooth
Industrial Bus (choice of any one of)PROFIBUS
EtherNet/IP
DeviceNET