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TST-10B Wireless Digital Spark Tester

The TST-B is ideal for testing faults inside a twinner or double twist buncher where the take-up is on the cradle. It communicates wirelessly with its controller and only requires a single slip ring to provide 24v power and a ground.

Downloads & Questions

We often provide our spec sheets and manuals in multiple languages. Contact us to let us know what you need, and we will get it to you!

Technical Specifications

Major Features:

  • Mounts directly to twinner’s cradle

  • Wireless communication with control unit

  • Bare wire identification



Test Voltage Range

Approx. 500 volts to 10KV D.C. For test voltages below 2000 volts, contact factory for electrode

Test Frequency


Voltage Accuracy

+/- 2% of reading

Fault Indication

White 3-digit 20.32mm high LED display, amber fault indicating LED

Operating Modes

Continuous HV/remove voltage on fault, momentary process control/latch until reset

Power Requirements

100 to 240VAC 49-61 Hz. Power supply self-adjusting
24V DC 2 amps

Electrode Types

Bead Chain Assembly ½” Product Diameter, ½” along the wire line.
Brush Assembly 0.2” Product Diameter, ½” along the wire line.
(Recommended for Voltages under 2kV)

Output Power

1.5mA Maximum 

Detection Sensitivity

Conforms to IEC 62230

Relay Outputs

1 Form C, 3 Form A / Configurable Functionality
Relay contacts rated 1A max @ 240VAC or 2A max @120VAC for both NO and NC circuits. Front panel or external reset. In non-latch modes, closure time is adjustable in 10 millisecond increments from 50 milliseconds to 2 ½ seconds

Standard Communications

2.4gHz Wireless Connection, RS-485 Serial Interface

Optional Communications (with purchase of accessory communication card)

Analog, Ethernet IP, Modbus TCP, Profibus, Profinet, DeviceNET

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