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PS1 Single Gas Monitor

PS1 Single Gas Monitor

Quick Overview

The PS1 is a disposable single gas monitor for individual protection and is a direct replacement for the T.ex gas detector. The PS1 is a rugged, lightweight monitor which has a 2 year operational life, without battery replacement or charging. It is available for oxygen (O2), Hydrogen Sulphide (H2S), Carbon Monoxide (CO) and Sulphur Dioxide (SO2). Units have audible, visual and vibrating alarms to alert the user of any dangerous gas levels. A Bump Test and Calibration Station are available for fast visual indication to ensure the instruments are operating correctly. The PS1 is made in the UK and is available on a short lead time.
Hazardous Area Approved
View Options



  • Single gas monitors for H2S, O2, CO and SO2
  • Easy one button operation
  • Displays real time value
  • On-board data logging as standard
  • Includes fully programmable menu for alarms and latching/non-latching settings
  • Alarms: Audible, Visual, Vibrating, Time Weighted Average (TWA), Short Term Exposure Limit (STEL), low battery and end of life.
  • Rugged Stainless Steel alligator clip for easy fastening.
  • IP67 - Dust tight and waterproof up to 1m
  • 2 Year Warranty


PS1 Sensor Specifications

Gas Range Resolution Type Life
O2 0 to 25% 0.1% Electrochemical 2 Years
CO 0 to 500ppm 1 ppm Electrochemical 2 Years
H2S 0 to 100ppm 1 ppm Electrochemical 2 Years
SO2 0 to 20ppm 0.1 ppm Electrochemical 2 Years

PS1 Technical Specification

LCD Backlit Display

Visual 2 Red LED's
Vibrating alarm
Audible 95dB @ 10cm
Adjustable alarm set points

Intrinsic Safety Approval:


IECEx: Ex ia IIC T4 Ga
ATEX: Ex II IG Ex ia IIC T4 Ga
CSA Class I, DIV 1, Groups A, B, C, D, T4
Operating Conditions: -20 to +50°C, 0-98% RH (non-condensing)
Enclosure: Moulded polycarbonate/ABS case
IP Rating: IP67
Dimensions: 85 x 55 x 29mm
Weight: 86g

Availability: Stock Item


Components / Downloads

For further information, technical advice, or a quotation please call or email us. If you are not sure which product you need one of our technical sales advisors will be happy to discuss your application. We also accept company purchase orders by fax or post. Credit card orders can also be placed over the phone for any product.

PS1 Bump Test/Calibration Station
Data downloading setup pack for bump test/calibration station. Pack includes CD-ROM, interface adaptor and user instructions.
or call us for a quote