Personal Gas Monitor GD – 101


Personal Gas Monitor GD – 101

Compact, Light Weight Intelligent Unit with Application Specific Sensors Sensitive to PPB / PPM Or % age levels of Gases & Vapors.

  • Complete Automatic Operation.
  • LCD Display
  • Continuous Diffusion / Suction Sampling
  • Confidence Beep every 15 seconds
  • Complete self Integrity check on start
  • Automatic Calibration
  • Display of WARN & ALARM
  • Low battery Alarm
  • Intrinsically safe
  • Automatic sampling & Analysis for specified periods at preset intervals
  • Completely unattended

The advanced Micro controller technology employed makes these ALERT METERS highly dependable, reliable and accurate. The complete automatic operation and calibration feature leaves no scope for user error.

These Compact, self contained and intrinsically safe designed instrument housed in a weather proof high impact plastic case are powered with a replaceable 4 * 1.5 V DC battery. On switching ‘ON’, the instrument goes thorough its complete self integrity check, and displays factory set Warn and Alarm values before indicating ‘Ready’ for monitoring.

While in Operation, the instrument monitors the work place continuously giving the latest update concentration of designated Gas through diffusion sampling. Suction sampling is possible with an optional manual or battery operated pump and adaptor. The poison resistant Pellister or long life, integrally mounted electrochemical Sensors with inbuilt cross interference filters are gas specific. Optionally the sensors can be mounted on an extension cable for monitoring inaccessible locations before entry.

The instruments emits an audible beep every 15 secs that provides confidence to the user that he is well protected. Audio, Visual also Warn and Alarms protect him from hazardous situations. The Warn and Alarm Values are factory set. Low Battery Alarm alerts the user to replace or recharge the Battery. Special features like maximum exposed concentration and TWA readings can be incorporated optionally.


Overall Ranges PPB  /  PPM  /  %V/V  /  LEL
Sampling Method Diffusion (D) or Suction (S)
Principle Specific to Application
Sensor Life 2 – 5 years
Measurement Continuous
Readout Alpha Numeric LCD.
Resolution 0.1 or 1 PPM % as applicable.
Accuracy +/- 2 %   &  0.5 %   for oxygen
Repeatability +/- 1 %
Response Time < 10 seconds at 95 % variation.
Alarms Low & HI Visual and Audible (Different Tones).
Low Battery Alarms Audio & Visual.
Power Supply Standard 6V Dc Battery
Battery Life 6 to 8 hours.
Housing High Impact Plastic (ABS)
Size & Weight 119 (H) * 80 (L) * 25 (D); 135 gm.
Temperature Range 0 – 55 °C


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