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Crowcon Portable Gas Detectors

Crowcon Logo

The Crowcon CLIP is a reliable and durable fixed life gas monitor in a compact and maintenance free package. Available in two models, the Clip has a 2 year life and is available for hydrogen sulphide (H2S), carbon monoxide (CO) or oxygen (O2).
The CLIP+ has the innovative hibernate function, ideal for contractor or rental fleets where they wish to put the unit into standby mode. For H2S or CO, this unit gives 24 months operation over a period of up to 3 years. Offering event logging and designed to withstand the harshest industrial working conditions the Clip range.

Downloads:   Data Sheet    (Click on manufactures logo for detail on this product and similar products)

The Gasman full function personal single gas monitor is compact and lightweight yet is fully ruggedised for the toughest of industrial environments. Featuring simple single button operation, it has a large easy to read display of gas concentration, and audible, visual and vibrating alarms.

Versions available for flammable gas, oxygen and toxic gases. Infra-red carbon dioxide sensor version for safe area use (Non-explosion risk areas). Rechargeable versions for all gas types. Non rechargeable versions for oxygen and toxic gases. Ultra lightweight – 85g for toxic versions. Loud 95dBA audible alarm. Dual colour visual alarm flashing LEDs. Vibrating alarm. IP65 and IP67 ingress protection. Real time TWA and Peak display options. Data and event logging as standard. Rechargeable battery with a 3000 Alarm Minute capacity.

Downloads:   Data Sheet    (Click on manufactures logo for detail on this product and similar products)

Tetra 3 TETRA: 3

The Tetra:3 multi-gas monitor is a compact, robust and easy to use diffusion based detector. Single button operation, small size and clear top-mounted display make it a favourite in the market amongst those working in demanding industrial environments.

Up to 4 gases in a small and lightweight design. Infra-red carbon dioxide sensor version for safe area use (ie non-explosion risk areas). Single button operation for all functions, can be operated with gloved hands. Rugged impact resistant design provides extra shock and vibration protection. Reliable Lithium-ion battery provides over 16 hours continuous operation from a single charge with no memory effects. Water and Dust resistant to IP67, can be submerged in water. Rapid and effective warning with a 95 dBa audible alarm, an extremely bright red/blue visual alarm and vibrating alarm as standard. Top mounted, backlit display of all gas readings, diagnostics and battery life.

Downloads:   Data Sheet    (Click on manufactures logo for detail on this product and similar products)


Gas-Pro CSE Monitor is THE confined space entry monitor solution for workers and fleet managers. Offering detection of up to 5 gases in a compact and rugged solution, Gas-Pro has an easy to read top mount display combining ease of use with user focused features.

Confined Space Entry Monitor - Large, easy to read top mount display for hands free observation. +ve Safety™ giving a quick and easy tri-colour status indication. 5 Gas Monitor - Up to 5 gases in a compact and rugged design. Single button operation and intuitive functionality reducing training time. Reliable Li-ion battery, providing over 19hrs use from a 5hr charge. Water and dust resistant to IP65 and IP67. Specific and unique Pre-Entry mode. Flexible and convenient options for bump testing and calibration.

Downloads:   Data Sheet    (Click on manufactures logo for detail on this product and similar products)

solvent-drums-detector-xsml GAS PRO - PID

Gas-Pro PID gives you full flexibility with a wide range of gas types to choose from.  With an optional pump, the Gas-Pro PID is the perfect product addressing the requirements of a wide range of applications.

Gas-Pro PID utilises the Photo Ionization Detection technology to allow you to detect hundreds of Volatile Organic Compounds (VOC's),  If you are working in an environment that is high in levels of solvents, glues, paints and general VOC's, the 
Gas-Pro PID will monitor your safety.  With its dual-coloured display, the monitor will alert the user with its 95db audible alarm and its dual-coloured visual alarm bars.

PID Technology

Crowcon's PID works with a 10.6 electron volt lamp.  This sensor is the most stable sensor on the market and offers the detection of a wide range of VOC's.  The sensor has an internal UV light-source, which the gas sample passes through.  An electron is released for gases with an ionization potential of 10.6.

Downloads:   Data Sheet 

GasPro-PID-only GAS PRO - Infrared (IR)

Gas-Pro is now available with infrared (IR) sensor options.  This is a new addition that expands the range of compatible sensors for this high-performance gas detector.  Sensors also include PID, Pellistor and Electrochemical types. 

Gas-Pro IR is the most versatile confined-space entry monitoring solution for workers and fleet managers.  Gas-Pro now supports IR sensors to detect methane, pentane and propane.  Unlike pellistor sensors, IR sensors provide high asset integrity in critical applications because they:
Are fail-safe
Do not require oxygen to operate
Are resistant to silicone poisoning and H2S contamination
Cannot be burn't out by high levels of target gases
Require less frequent calibration and replacement


In addition, users can mix both IR and photo-ionisation (PID) sensors in a single detector - making Gas-Pro ideal for use in the chemical, especially if working in or around tanks which contain solvents.

Downloads:   Data Sheet 


Instrumatics is a supplier of quality field instrumentation, offering a wide range of technology and more than 35 years in the business.
Our dedicated team of experienced engineers are able to specify appropriate instrumentation for given requirements.






Tel:  09 526 0096
Suite 2, 19 Beasley Ave
PO Box 22-671
Auckland 1640