Available Configuration

GDS101 Gas Detection System

Product Overview

The GDS101 is a standalone, self-contained single channel control unit for the detection of Toxic, Oxygen or Flammable gases

Features & Benefits

  • Aesthetically appealing design
  • Suited to a wide range of industries
  • Capability to extend system into our advanced Combi CANbus addressable network

Additional Information

PDF Downloads

General Enquiries
Tel. +44 (0) 113 2860166


Sales Enquiries:
Tel. +44 (0) 113 2878187


Technical Engineering Advice
Tel. +44 (0) 113 2878184


Live Chat

GDS101 Gas Detection System

The GDS101 is a standalone, self-contained single channel control unit for the detection of Toxic, Oxygen or Flammable gases. The control unit is fully configurable for a single input from either a 4~20mA transmitter or a 3 wire mV device, with internal, aspirated or remote sensor options.

The GDS101 also has the capability to form part of our Combi CANbus addressable network, therefore offering the features of our most advanced gas detection system.

GDS101 GDS101 Panel Mount
Channels Single Channel
Measurements Combustible Gas – L.E.L, % Vol.
Toxic Gas – ppm, % Vol.
Oxygen – % Vol. – Depletion / Enrichment
Refrigerant – ppm
Any 4~20mA Transmitter
Sensor Inputs Bridge type 3 wire mv (Catalytic)
2 or 3 wire 4~20mA (Electrochemical)
4~20mA (Infrared / Catalytic / PID / Semiconductor)
Outputs 4-20mA – Sink/Source
500mA @ 24v DC
Inhibit active indicator O/C 100mA – 24vDC
Relays 1, 2, 3 and fault alarm relays (4) – S.P.C.O normally, de-energised – energised option, latched or unlatched
All contacts rated 3A-230v AC
Sensor Cable 3 Core 1.5mm² screened 1.5km
Power 24v nominal 18v to 30vDC
85~260v AC 50/60Hz
The two voltages may be utilised simultaneously – standby
4 Watts – Full Alarm
24v nominal 18v to 30v DC
4 Watts – Full Alarm
Panel Indication Two line alpha numeric back lit display
Power – Green LED
Alarms 1, 2, 3 Red LED’s
Fault – Amber LED
Alarms Inhibit – Amber LED
Audible Alarm 1, 2, 3, and Fault Alarms – Mutable
85dB @ 10cm
Data Logging Intervals – Variable Time
Rollover / Stop
Storage – 2,880 Readings
*Requires RS232 Lead, PC or Laptop (dedicated), HyperTerminal (download -www.gds-technologies.co.uk)*
Operating Temperature -10 to + 50°C
Storage Temperature +5°C to +55°C
Humidity 0-95 non condensing
Ingress Protection IP64 IP50
Dimensions 24vDC Version: H-145 L-145 D-65mm
AC Mains Version: H-145 L-145 D-100mm
H-117 W-115 D-53mm
Panel Cut Out: W 105 H 90mm
Weight 0.8KG 0.26KG
Enclosure Material ABS Flame Retardant FR40 – Lid Screws M4SS
Standards EMC BS EN 50270
Low Voltage BS EN 61010-1

Top Accessories

Status Indicator Panel

Status Indicator Panel

The Status Indicator is a remote module lending itself to a wide variety of warning and alarm applications.

More Information
GDS703 Auxiliary Power Supply

GDS703 Auxiliary Power Supply

Auxiliary power supply to support Combi control panel

More Information


Designed with occupational health and safety in mind, the ASU is leading the way in the management of worker wellness and wellbeing.

With the ASU located at 1.5m above floor level, either as a stand-alone unit or as part of a network system, a sample draw line continuously monitors from the target area.


More Information

For a full list of related products available please contact us via email sales@gds-technologies.co.uk

Combi Gas Detection Range

Combi Gas Detection Range

The Combi range (comprising of Combi 80, 64, 16, Rack, Panel and Din Rail Mount) of multi-channel control systems offers an incredibly versatile approach whilst ensuring a reliable safety system across all industries and applications.

More Information


The 15/30J-F1 is a safe area ABS flame retardant detector housing, designed to allow quick and easy access to its interior.

More Information