GMI PS241 Multi Gas Detector

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GMI PS241 Multi Gas Detector

Overview

The PS241 is a compact and user-friendly four-gas portable monitor that combines rugged construction, advanced technology, and reliable performance. Designed for demanding industrial environments, it provides continuous monitoring of multiple gas hazards while maintaining ease of use and maintenance.

Lightweight, water-resistant, and certified to multiple international and regional standards, the PS241 is suitable for a wide range of safety applications. It has been specifically engineered to simplify user maintenance, including support for fully automatic calibration stations to enhance compliance management.

Gas Detection Capabilities

The PS241 simultaneously monitors four critical gases commonly encountered in industrial environments:

Gas Type Parameter Measured
Combustible Gases LEL (Lower Explosive Limit)
Oxygen O2
Hydrogen Sulfide H2S
Carbon Monoxide CO

Alarm System

The PS241 provides comprehensive user protection through multiple alarm methods, ensuring that gas hazards are immediately recognised in various working environments.

  • Audible alarms for clear warning notifications.
  • High-visibility visual alarms.
  • Integrated vibrating alarm for enhanced awareness in noisy environments.

Key Features

  • Simultaneous monitoring of LEL, O2, H2S, and CO.
  • Compact and lightweight design for enhanced portability.
  • Audible, visual, and vibrating alarm functions.
  • Optional internal sampling pump for remote gas sampling applications.
  • Datalogging capability storing up to 6 months of data.
  • Configurable operating settings to suit application requirements.
  • Optional quick field calibration functionality.
  • Integrated sensor integrity checking for enhanced reliability.
  • Water-resistant and robust construction suitable for harsh environments.
  • Designed for simple maintenance and servicing.
  • Compatible with fully automatic calibration stations for compliance management.
  • Available with coloured protective rubber boots for site or application identification.

Datalogging Capabilities

The PS241 features integrated datalogging functionality capable of storing up to six months of monitoring information. This assists with incident investigations, compliance reporting, and long-term exposure assessments.

Ease of Maintenance

Engineered with user maintenance in mind, the PS241 supports simple servicing procedures and optional field calibration capabilities. Compatibility with automatic calibration stations further streamlines compliance processes and minimises operational downtime.

Robust Construction

Built to withstand challenging industrial environments, the PS241 combines durable construction with water resistance to ensure dependable performance in demanding applications.

Customisable Identification

Coloured protective rubber boots are available in seven different colours, enabling easy identification of devices used across multiple sites, departments, or applications.

Technical Highlights

Feature Specification
Gas Monitoring LEL, O2, H2S, CO
Alarm Types Audible, Visual, Vibrating
Sampling Method Diffusion or Optional Internal Pump
Datalogging Capacity Up to 6 Months
Calibration Optional Quick Field Calibration
Sensor Monitoring Sensor Integrity Checking
Construction Lightweight, Water-Resistant, Rugged Design
Maintenance User-Friendly with Automatic Calibration Support
Colour Options 7 Protective Rubber Boot Colours Available

Order Information

Order Code Description
64141 PS241 4-Gas Monitor (LEL / O2 / H2S / CO) – Pumped Version
64041 PS241 4-Gas Monitor (LEL / O2 / H2S / CO) – Non-Pumped Version
Specification Details
Size 121 x 59 x 32 mm (4.8” x 2.3” x 1.3”)
Weight 230 g (8 oz) with pump
215 g (7.6 oz) without pump
Temperature -20°C to +50°C (-4°F to 122°F)
Humidity 0 to 95% RH, non-condensing
Alarms Highly visible flashing LED
Piercing >90 dB audible alarm
Vibrating alarm
Display Green and Red LCD Backlight Display
Datalogging Timed: Minimum 6 months timed datalogging*
Session: Minimum 360 logs
Calibration: Minimum 8 calibration logs
Bump: Minimum 360 logs
Battery Lithium-Ion Rechargeable Battery
Run Time Up to 14 hours (Diffusion)
Up to 8 hours (Pumped)
Charging Time < 4 Hours
Enclosure High Impact Rubberized Polycarbonate Case
Drop Test 3 m (10 ft)
IP Rating IP67
Response Times (T90) LEL = 15 sec (IEC 60079-29-1)
O₂ = 12 sec (BS EN 50104)
CO < 20 sec
H₂S < 20 sec

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