1-866-4 JJSTECH(1-866-455-7832)

Crowcon Gasman 0-100ppm Hydrogen Sulphide

Item #:
Crowcon Gasman 0-100ppm Hydrogen Sulphide
Send This Page to a Friend

Ask an Expert

Our tech experts are ready to help!

1-866-4 JJSTECH (1-866-455-7832)

Email Us
Share this product:
Crowcon Gasman 0-100ppm Hydrogen Sulphide

Crowcon Gasman 0-100ppm Hydrogen Sulphide


Gasman Personal Gas Monitor

For over 40 years, Crowcon Detection Instruments has produced state of the art gas detection devices for personal and industrial use. Building upon their reputation for reliable and innovative gas monitoring products, Crowcon introduces the Gasman personal gas monitor. Its lightweight and compact design is convenient for jobsites where workers need not be weighed down by excessive bulk and equipment. The unit conveniently clips to a pocket or helmet and operates continuously.

The Gasman personal gas monitor has numerous convenient features such as:

  • One button technology
  • Backlit LCD display
  • Durable polycarbonate casing
  • Quick response triple alert system
  • Compact and lightweight design

Easy to Use

The Gasman’s true one button technology is an ideal and simple design. The large glove friendly button is mounted on the front of the unit for easy access and controls all of the unit’s programmable features. Also on the front, the Gasman’s easy to read backlit LCD screen indicates gas readings and the battery status. The simple screen provides a clear indication of the unit’s operation status. It will also alert the user 30 days in advance of when a calibration test is due. With a simple and intuitive design, Crowcon has produced a gas detector that reduces the complexities of workplace safety, and ensures workers in a straightforward manner that their equipment is on and operational.

Triple Alarm System

This portable single gas detection system features a triple alarm system that is sure to alert the user and anyone in the vicinity. The visible alarm utilizes a dual red and blue flashing LED light, and the unit houses an internal vibrating alert system. These two indicators allow for visual recognition in loud environments and working conditions. The alarm system also features a programmable audible alarm at 95 decibels. The unit is capable of a variety of alarm tones, and users can select which tone may be best for the individual workplace setting. The triple alarm system with multiple sensory indicators is sure to be noticed in almost any work environment.


The Gasman single gas monitor is lightweight and compact, weighing less than 135 grams and with dimensions of 90 x 48 x 24 mm. The unit is available with a wide variety of gas sensors which feature various detection and alarm levels. The unit also features a quick response time of 20 seconds for flammable and toxic gases or 10 seconds for oxygen. Its datalogging feature has approximately 900 hours of storage and all events are time stamped. The battery life for this unit is incredible with 12 hours of runtime on a rechargeable battery or up to 2 years on a non-rechargeable battery.

Weight 130g flammable
95g oxygen
80g toxic
Dimensions 90x48x24mm (3.5x1.9x0.95inch) HxWxD
Typical ranges and alarms
Gas  Range  Alarm UK and ROW  Alarm US 
Flammable  0-100% LEL  20% LEL 10% LEL 
Oxygen  0-25%  19.5/23.5%  19.50%
Hydrogen Sulphide  0-100ppm  5ppm  10ppm 
Carbon Monoxide  0-500ppm  30ppm  35ppm 
Sulphur Dioxide  0-20ppm  1ppm  2ppm 
Chlorine  0-20ppm  0.5ppm  0.5ppm 
Nitrogen Dioxide  0-20ppm  1ppm  3ppm 
Ammonia  0-100ppm  25ppm  25ppm 
Ozone  0-1ppm  0,1.ppm  0.1ppm 
Hydrogen  0-1000ppm  N/A  N/A 
Hydrogen Cyanide  0-25ppm  5ppm  5ppm 
Hydrogen Chloride  0-30ppm  1ppm  1ppm 
Hydrogen Fluoride  0-10ppm  5ppm  5ppm 
Phosphine  0-5ppm  0.2ppm  0.2ppm 
Fluorine  0-1ppm  0.1ppm  0.1ppm 
Phosgene  0-1ppm  0.1ppm  0.1ppm 
Ethylene Oxide  0-10ppm  5ppm  5ppm 
Nitric Oxide  0-100ppm  25ppm  50ppm 

Other ranges and alarm levels are available on request. Each unit can have two instantaneous alarms levels set. Toxic units also have Time Weighted Average alarms.

Flammable gas calibration is available for methane, propane, butane, pentane, hydrogen and ethylene as standard.

Typical response times Flammable 20s, Toxic gas 20s, Oxygen 10s
Audible Alarms 95dBA
Multiple alarm sounds allow selection of distinctive tones for different alarm levels.
Visible Alarms Dual colour red/blue flashing LEDs in gas hazard
Vibrating Alarm Internal vibrating alarm
Display Custom LCD with backlight, with display of gas concentration. Graphic symbols for battery (with proportional indication of remaining operation time), and display mode. Start up indication when calibration is due within 30 days, calibration overdue, or service required.
Display Mode Normal display for real time gas concentration levels. Display recall for Peak readings and TWA.

Full timed datalogging with adjustable sample rate, set to 1 minute data rate.
900 hours storage at 1 minute interval.
>4800 capacity event logging to record all instrument events including:
Switch on/off, Battery status, Alarms activate/clear including peak values of response, Gas Test pass or fail.
All events are time stamped

BatteryTypes Rechargeable Li-ion battery for all gas types
Non rechargeable Lithium battery for toxics and oxygen
Operating Time

Rechargeable: 12 hours minimum for flammable unit
Non rechargeable: Up to 2 years

Sampling Optional manual aspirator
Operating temp, range –20°C to +65°C (-4°F to +149°F)
Humidity 0-99% RH
Approval Codes

ATEX II 1G EEx ia IIC T4 (Tamb -20°C to +65°C) Toxic Oxygen
ATEX II 2G EEx iad IIC T4 (Tamb -20°C to +65°C) Flammable

USA/Canada Class 1 Groups A, B, C, D Division 1
Standards Safety
Europe EN50014, EN50020, EN50018, 94/9/EC
USA & Canada UL913, CSA22.2, 152
Operation EN50270, EN50271, IEC61508, EN61779, EN45544
Software designed to meet IEC61508
Ingress Protection IP65 and IP67
PC Interface RS232 connection from Interface module in charger.
RS232/USB convertor available
Calibration Gasman can be routinely calibrated using
Portables PC software or by using Checkbox IMH
Accessories Gasman is supplied with an integral pocket clip. optional alligator clip
Charger Single way drop in charger with options of UK, European or US style plug in mains supplies, or in line 115V, 230V or universal supply.
Optional PC interface module within the single way charger.
Vehicle lighter socket lead available.
5 way multicharger with universal power supply.

Questions & Answers

There are no questions or answers for this item.