Intelisens ST-AC Series

Mains Frequency (AC) Spark Testers

Proton Products InteliSENS® ST-AC series mains frequency spark testers meet the international standards stipulated for wire insulation testing UL1581, UL2556 and EC62230. The Proton Products mains frequency AC Spark Testers are designed for in-line testing of cables to detect pinhole and bare patch insulation faults. They accommodate cables up to 130 mm in diameter and outputs an AC frequency, user-adjustable EHT test voltage of up to 25 kV AC (rms). Typical applications are for the insulation testing of power and automotive cables. This unit offers a broad selection of built-in and optional industry-standard communications interfaces for connection to production controllers. The InteliSENS® ST-AC Series electronics are housed in a rugged IP54 sealed stainless steel case, ensuring reliability and long operational life.

  • 130mm maximum cable diameter
  • 300mm long bead chain electrode
  • 25kV maximum test voltage
  • Distinguishes and separately counts pinhole and bare patch flaws
  • Mains test frequency
  • UL1581, UL2556 and EN62230-compliant testing
  • Ozone extraction port
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Performance

  ST2560-AC-i4 ST2560-AC(L625)-i4 ST25150-AC-i4 ST35150-AC-i4
Max. Wire diameter 60mm 60mm 100mm 130mm
Electrode length 300mm 625mm 300mm 300mm
Electrode type 4mm bead chain 4mm bead chain 4mm bead chain 4mm bead chain
EHT test output voltage 25kV (rms) 25kV (rms) 25kV (rms) 25kV (rms)
EHT test output voltage resolution 0.1kV (rms) 0.1kV (rms) 0.1kV (rms) 0.1kV (rms)
EHT test output voltage accuracy 3% 3% 3% 3%
EHT test output capacitive current (at 25 kV) 9mA (rms) 9mA (rms) 9mA (rms) 9mA (rms)
EHT test output resistive current (at 25 kV) 4mA (rms) 4mA (rms) 4mA (rms) 4mA (rms)
EHT test output continuous short circuit current 10mA (rms) 10mA (rms) 10mA (rms) 10mA (rms)

Connectivity

Safety interlock input to enable the EHT test output voltage

50 V maximum pulses, 250 kHz maximum frequency, user scalable

Maximum Input Voltage: 24Vdc Fixed function: Reset length, fault counts and positions

Isolated contacts, maximum rating: 50 VDC / 30 VDC / 0.5 A
Selectable Function: High Voltage Indication, Pin-Hole detected, Bare-Pitch detected, Pin-Hole or Bare Patch detected, Maximum fault count reached.

0 – 10 VDC; controls the EHT test output voltage, user scalable

0 – 10 VDC; proportional to the measured EHT test output voltage, user scalable

RS232 Modbus Communications
USB using RS232 – USB Converter Cable
ZM4000 Printer Communications

Connects to Proton Products CDi4 Display

Connect to a PLC using PROFIBUS, PROFINET, or EtherNet I/P, data update rate up to 500/sec. Flexible Data Configuration, Big Endian, Little Endian

Ethernet selectable between OPC-UA and Modbus

Connect to a PC or Mobile Device using WiFi 2.4G and use the Proton Products Gauge App available for iOS and Android. Ideal for gauge configuration and diagnostics

Electrical & operating Requirements

Power Supply
85-265 Vac (rms)		 Power Consumption
400W		 Operating Temerature
5c – 45c (41-113F) 		Environmental Protection
IP 54

Size & Weight

ST2560-AC-i4

Height
1299.5mm (51.16″)

Width
850 mm (33.5 in)

Thickness
490 mm (19.3 in)

Weight
100kg (220 lbs)

ST2560-AC(L625)-i4

Height
1299.5 mm (51.16 in)

Width
850 mm (33.5 in)

Thickness
490 mm (19.3 in)

Weight
110 kg (243 lbs)

ST25130-AC-i4

Height
1274.5 mm (50.18 in)

Width
1000 mm (39.4 in)

Thickness
510 mm (20.1 in)

Weight
130 kg (287 lb)

ST35150-AC-i4

Height
1392 mm (54.8 in)

Width
1070 mm (42.1 in)

Thickness
660 mm (26 in)

Weight
185 kg (408 lb)

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