Crowcon Clip Maintenance Free Single Gas Monitor

General Details

Reliable and durable fixed life monitoring in a compact and maintenance-free package, the Crowcon Clip has a 2-year life and is available for hydrogen sulphide (H2S), carbon monoxide (CO) or oxygen (O2).

Now supported by the Crowcon C-Test which provides bump testing, event management and calibration from a simple to use wall mount station and gives fleet or safety managers the ability to update configurations on large fleets. It also maintains the all important event logs that demonstrate users are working within the company requirements. See datasheet for more info.


Easy to maintain

  • Changeable alarm levels – ensures compliance with changing regulations or company procedure
  • C-Test bump test solution with configuration update – keeps monitors correctly configured without service or technician team
  • ‘Bump test due’ indication LED – alerts the user and team members that the monitor is not compliant

User Friendly

  • Compact and lightweight – non-intrusive and comfortable to wear
  • Single button operation – delivers simplicity for users and reduces training time


  • Wide operating temperature range – effective in a wide variety of harsh environments
  • Water and dust resistant to IP66 and IP67
Size 85 x 50 x 28mm (3.3 x 2.0 x 1.1ins)
Weight 76g (2.7oz)
Alarms Top, front and side visual LEDs95dB audible alert
Humidity  5% to 95% non-condensing RH
Tests Full function self test of activation and every 20hrs: continuous automatic battery integrity tests
Event log Lasts 25 events
Ingress Protection IP66 and IP67
Operational Life 2 years>2900 alarm minutes*
Operating temperature H2S: -40°C to + 50°C (-40°F to +122°F)CO:  -40°C to + 50°C (-40°F to +122°F)O2:   -35°C to + 50°C (-31°F to +122°F)
Shelf life 6-month shelf life prior to activation
Shown on box label
Sensor range H2S: 0-100ppm
CO: 0-300ppmO2:  0-30% vol
Approvals UL-913 & CSA-C22.2 No.157
Class 1 Div 1 & 2, Groups A, B, C and D
ATEX II 1G Ex ia IIC T4 Ga
IECEx Ex ia IIC T4
Compliance EMC Directive 2004/108/EC
Warranty 2 years from activation*
Communication accessory USB IR link for event download and configuration

* 4 alarm minutes per day

Gases and Ranges

Ordering options include a range of region specific alarm levels.

Gas Alarm 1 Alarm 2
H2S  2 ppm  5 ppm
H2S  5 ppm  10 ppm
H2S 10 ppm  15 ppm
CO  25 ppm  50 ppm
CO  30 ppm  100 ppm
CO  35 ppm  50 ppm
O2  19% vol. 23.5% vol.
O2  19.5% vol. 23.5% vol.