Detection, Protection, Innovation

Gasurveyor 700 Series

Package includes:

  • Gasurveyor 700 Instrument
  • Carry Case
  • Shoulder Harness
  • 35cm Closed End Plastic Probe
  • Probe Handle & Adaptor
  • Cotton Filters (Box of 10)
  • ‘D’ size batteries x 3 (if applicable)
  • User CD
  • Instruction Card
  • Shipping List
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Utilising the latest infrared gas detection technology in a robust and reliable design, the Gasurveyor 700 (GS700) is a highly configurable instrument with leading performance and a user-friendly interface which makes it the perfect choice for all gas utility applications.

Ensuring compliance
Intelligent data-logging functionality together with optional GPS mapping simplifies data gathering. Our Instrument Management System improves fleet management by providing access to field usage reports, calibration history, investigation mapping and many other bespoke reports; making it easier for our customers to demonstrate compliance.
Natural gas discrimination
Quickly determines the source of gas leaks, whether it’s pipeline gas or naturally occurring biogas; saving valuable time and reducing detection related costs.
Flexible configuration
The GS700 can be configured to meet specific application needs and can be customised to suit a range of user requirements, settings and languages.

For more info, call our sales team on +44 (0)141 302 8302.

Key Features

  • LEL & Volume Gas (infrared)
  • Optional sensors including: PPM, O2, CO, H2S
  • Barhole Mode – configurable
  • Soft-key Operation
  • Communication: IrDA & Bluetooth (optional)
  • 360° Alarms
  • Lightweight & Rugged
  • Ingress Protection – IP55
  • Alkaline or Rechargeable battery options.


  • Gas Leak Outdoors
  • Pipeline Gas Tests
  • Purging
  • Surveying
  • Bar-holing
  • Confined Space Monitoring.

Technical Specification

Measuring Ranges

HC 0 – 10,000 ppm
HC 0 – 100% LEL
HC 0 – 100% Volume
O2 0 – 25%
CO 0 – 1000 ppm
H2S 0 – 100 ppm


Ex Certified CE Certified

IEC Ex d ia IIC T4 Gb


360o Highly visible flashing LED
Sounder ~ 85 dB at 0.3 m

Physical Properties

190 (H) x 98 (W) x 107 (D) mm
7.48 (H) x 3.86 (W) x 4.21  (D) in

1.4 kg (3.09 lbs) with alkaline batteries


0 – 90% RH non-condensing

-20oC to +50oC (-4oF to +122oF)

Sampling System

Integral pump with flow fail sensor Sample path is protected by a hydrophobic and cotton filter

Power Supply

Alkaline or rechargeable:
3 ‘D’ size alkaline cells or rechargeable battery pack
Approx. 20 hours’ run-time (Rechargeable), 15 hours’ run time (Alkaline)


Antistatic Polycarbonate ABS with conductive TPE over-moulding.

IP Rating



2 years
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