Battery Powered Wireless Transmitter (Outdoor Use)WTX-OB

Halytech Wireless Transmitter, WTX-OB, is a wireless input expansion module for the Halytech Spider. It is ideal for utility meter monitoring in new and existing industrial, commercial, highrise and residential applications.


  • connects to up to 4 pulse meters with tamper detection
  • monitors water, gas and electricity meters
  • is compatible with electronic meters
  • communicates with a Spider via a low power wireless network
  • has a wireless range of up to 1 km
  • uses repeaters to extend range
  • is battery powered (user replaceable - around 5 years life)
  • is designed for outdoor use

A single Spider can connect to 100 WTX modules to monitor up to 400 inputs.

WTX uses the 2-way Wavenis wireless technology for data reliability and superior transmission distances.

The weatherproof enclosure is designed for outdoor mounting near water meters.

Use with the Halytech Spider and Halytech other Halytech WTX products to build Automatic Meter Reading (AMR) networks and carbon monitoring solutions.


Battery: Extra long life user replaceable "C" size lithium cell (2nd battery optional)

Frequency: 433MHz Australia

Protocol: Wavenis

Enclosure: Weatherproof

Inputs: 4 x pulse inputs with tamper detection

Input specifications: voltage free contact 50mS pulse with 5 Hz max frequency

Meter compatibility: suitable for electronic and mechanical meters

Input termination: screw terminals via waterproof glands

Dimensions: 120x110x41mm (LxWxD, not including glands)

Compatible Devices

Use with the products listed below to build environmental sensor networks, automatic meter reading (AMR) networks, sustainability, energy and carbon monitoring solutions.

Compatible Base Stations

Spider SMS LC

Spider AMR - Wireless

Compatible Wireless Receiver



DNP3 protocol now available for microSpider2 and hydrospider2 data loggers

Sydney, NSW 13th March 2017

In response to customer requests, Halytech has implemented the Distributed Network Protocol (DNP3) for its microSpider2 and hydrospider2 data loggers, making it easy to fully integrate the loggers into centralised SCADA systems.

Read more ...

Contact Us

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Norwest Business Park
Bella Vista NSW 2153

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phone +61 2 8814 5235