Gas Monitors | Managed Product | Coltraco

Exporting to over 90 countries worldwide.

Coltraco Commitment To :

  • Through-life maintenance support
  • We still maintain units built 20 years ago
  • Extend trade-in credits - replace old units for new
  • UL listing & ABS type approval - Portalevel™ MAX
  • ABS type approval & RINA approval - Portascanner™
  • Be a life-safety technology partner – Permalevel™
  • Certified OEM calibration & ODA service stations

Coltraco manufacture Ultrasonics That Work

Gas Monitors

A wide range of units are availble and it is best to contact Coltraco Sales Office specifying requirements, ie how many and which gases are to be tested for, if remote testing is required, so that we can recommend the most suitable instrument.

Single Gas Monitor

Single Gas monitor. As the world’s most popular and widely used zero-maintenance gas detector, the GasAlertClip Extreme offers continuous, reliable protection. Available in two year or three year versions, this single gas detector requires no calibration, sensor replacement, battery replacement, or battery charging. Compatible with the MicroDock II automatic test system, the simplicity of the GasAlertClip Extreme combined with minimal training requirements and negligible maintenance costs, make the GasAlertClip Extreme one of the most cost-effective PPE solutions for facility workers and on-site contractors.

  • Durable, reliable and easy to use with no downtime
  • Record keeping is accurate and easy with automatic event logging
  • Exceptionally low cost of ownership
  • Compatible with BW MicroDock II automatic test station
  • Full function self-test of sensor, battery status, circuit integrity and audible/visual alarms
  • Bright wide-angled visual alarm bars
  • Built-in concussion-proof boot
  • Water-resistant

Multi Gas Monitor

Multi Gas Monitor. With a comprehensive range of features and functions, GasAlertMicro has set a new benchmark in multi-gas detection. At just 7.3 oz. (211 g), the rugged GasAlertMicro is unrivalled in performance and value-added afforda

Simultaneously displaying O2, H2S, CO and combustibles present, GasAlertMicro is ideally suited to a wide range of applications. Choose a 4, 3, or 2-gas model in safety yellow or black, with optional datalogging.


  • High-contrast LCD shows continuous and simultaneous real-time gas concentrations
  • LOW, HIGH, TWA (time weighted average) and STEL (short-term exposure limit) alarms
  • High-output 95 dB audible alarm
  • Dual visual alarm bars
  • Internal vibrator alarm (standard)
  • Built-in concussion-proof boot
  • Backlight in low light (auto), in alarm (auto) and on demand
  • Simple auto zero and auto calibration with diagnostics protection
  • Records and displays TWA, STEL and peak exposures to gas on demand
  • Continuous instrument status advice
  • Flexible power source--disposable AA alkaline (16-18 hours) standard or rechargeable NiMH (14-16 hours)


  • Manual aspirator pump
  • Confined space kits


  • Full function self-test verifies sensor, circuitry battery, integrity and audible/visual alarms
  • Continuous battery test and instrument status diagnostics

Five-Gas Monitor

Five gas Monitor.

  • Smaller and over 50% lighter than competitive instruments
  • Water-resistant design in an integral concussion-proof enclosure
  • Continuous LCD shows simultaneous gas concentrations for five gases
  • 0 - 1000 ppm measurement of VOCs (Volatile Organic Compounds)
  • Integral motorized pump option for remote sampling
  • Two power options: AA alkaline or rechargeable hot-swappable battery pack
  • Provides 95 dB alarm tone and two bright wide-angled alarm bars
  • Equipped with internal vibrating alarm for high noise areas
  • Multi-language support in English, French, German, Spanish, and Portuguese
  • Three backlight options: standard- activates in low light (auto), in alarm (auto) and reactivates on-demand; alarm only- activates in alarm conditions and reactivates on-demand; stealth mode
  • Four alarm levels: instantaneous Low and High Alarm for all gases; TWA (time-weighted average) and STEL (short-term exposure limit) for VOCs and toxic gases
  • Simple automatic calibration procedure; compatible with BW MicroDock II automatic test and calibration station
  • Records TWA, STEL, and maximum exposures to gas and displays readings on command
  • User selectable field options include: PID correction factor, language selection, confidence beep, span level, set TWA/STEL calculation choice, set calibration due date, pass code protection, latching alarm, 'SAFE' display function, stealth mode, and selectable ppm resolution for some gases (e.g. SO2 0.1 ppm)
  • Full function self-test of: sensor, battery and circuit integrity; and audible/visual alarms

Multi Gas Monitor

Micro Clip Multi Gas Monitor.

  • Rugged, ultra-compact (4.2 x 2.4 x 1.4 in / 10.7 x 6.0 x 3.6 cm) and lightweight (5.6 oz. / 160 g)
  • Simple one-button operation
  • Standard datalogger (16 hours) and eventlogger (10 events)
  • Durable, stainless steel alligator clip
  • Integral concussion-proof boot for the most rugged environments
  • Continuous LCD shows simultaneous gas concentrations for H2S,CO, O2, and combustibles (0-100% LEL or 0-5.0% Methane)
  • Powered by a lithium polymer battery (run-time typically 14 hours; recharge in less than 3 hours)
  • Provides 95 dB alarm tone and bright wide-angled alarm bars
  • Equipped with internal vibrating alarm for high noise areas
  • Backlight: in alarm (auto) and on demand reactivation
  • Four alarm levels: Instant Low and High Alarm for all gases;TWA (time weighted average) and STEL (short term exposure limit) for H2S, CO; OL (over limit alarm)
  • Simple automatic calibration procedure
  • Fully compatible with BW's MicroDock II automatic test and calibration system
  • Records TWA, STEL and maximum exposures to gas and displays readings on command
  • User selectable options include: confi dence beep, latching alarm, calibration due date, bump due date, "SAFE" display function, multi-language, span concentration values, combustible sensor measurement selection (0-100%LEL or 0-5.0% v/v methane) and stealth mode
  • Full function self-test of: sensor, battery, circuitry and audible/ visual/vibration alarms
  • Delivered ready for use with sensors, lithium polymer battey, stainless steel alligator belt clip, calibration hose/cap and instructions


Manufactured Products

All of our equipment are specially designed and manufactured by our in house teams, in consultation with professionals in the field to suit the most difficult working conditions. Constant redesign and development is carried out to ensure that we are always evolving the technology we use and providing world class equipment, with an ever increasing level of accuracy. All equipment manufactured by Coltraco comes with a guaranty and every unit comes with free post Sales Technical Support for the life time of the equipment.

If you have any specific questions regarding our equipment, please contact our Sales Teams who will be happy to help. Further information can be found in the below which I hope is of assistant to you.

Call Now : +44 207 629 8475


References in PDF Format


Underwriters LaboratoriesUnderwriters Laboratories


Reference Alpha Fire UK Portalevel MAX Sept 2012

Reference Portascanner-II CSD MOD Albion and Bulwark





About Coltraco Ltd.



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