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Detection Systems

Detection Systems
Detection Systems
Product Code : GT-2511-weatherproof
Price And Quantity
Unit of Measure :
Product Specifications
Usage :
Product Description


  • Provides a fast and reliable output by using Electro Chemical / Pellister Sensor Technology.
  • Optimized for detection of smallest leak of Oxygen, Toxic and Combustible Gases.
  • Highly resistant to poisoning and etching.
  • Capable of detecting down to PPM, %LEL & %V/V.
  • Digital display of Gas Concentration on LCD Display
  • Standard 4-20mA signal output with configurable range.
  • Easy handling and programming with 3 keys for Weatherproof Models.
  • Non - Intrusive programming for Flameproof model using Magnetic pen.
  • Password protected programming with password changing facility.
  • One man Auto Software Gas Calibration.
  • Optional Alarm relay contacts with two configurable Alarm levels & one Relay for fail safe Operation.
  • Optional STEL and TWA set points can be configured for Toxic Gases.
  • Optional RS-485 communication port with MODBUS RTU Protocol.

Approval & Compliance

Approval & Compliance for Flameproof :

Certified to Ex-d IIA, IIB, T6, IP66 Compliance with :

IS/IEC 60079-0 : 2004 • IS/IEC 60079-1: 2007 • IS/IEC 60529 : 2001

CE Mark :

Conforms with essential requirement of :

Electromagnetic Compatibility Directive 2014/30/EU,

Low voltage Directive 2014/35/EU

EN 50270:2006

Compliance with the IEC 60945 Standard for Marine application


  • Gas Metering skid
  • Gas Metering Station
  • Gas Cylinder Bank
  • Burner / Furnace Areas
  • Oil & Gas Industries
  • Bullet Yard / Storage Yard
  • Gas Pipeline Project
  • Chemical Processing Plant
  • Acid Alkalizes & Dyes Mfg. Plants
  • Refineries
  • Offshore Drilling & Processing Platforms
  • Cold Storage
  • Heat Treatment Plants
  • Sewage Plants
  • Chemical Storage Area
  • Fertilizers Plants
  • Control Atmosphere
  • Stack Monitoring
  • Power & Industrial Plants
  • Chlorination Plant
  • Coal Mine and Confined Area
  • Ambient Monitoring
  • Chemical & Petrochemical Plants
  • Pulp & Paper Plants
  • Automotive Industries / Paint Shops

Technical Specifications

General :

Detection Method

Electrochemical / Catalytic Bead / Pellistor / Siegistor

Gases Detected

Oxygen / Toxic / Combustible (Please select from the table below).


8x2 Alphanumeric LCD Display with Backlit & 8 LEDs to indicate status of instrument

Control Action

ii) Two independent Alarm set points with Latch &
Non-latch facility.
ii) User selectable Hysteresis and Logic option.
iii) Configurable STEL and TWA set points for Toxic Gases (optional).


By using Push button keys on Weatherproof model
By using Magnetic pen for Flameproof model



±2% of Full Scale.

Response Time

For response , contact to factory

Start-up Time

Less than 30 Seconds.

Electrical :

Supply Voltage

18 to 36 VDC, Typically 24VDC

Power Consumption:

Less than 3.6 Watts

Supply Current

150 mA at 24 VDC


3 Wires (1.5mm2) Flexible or Armoured Shielded Cable

Weatherproof Housing :

Protection Class


Cabinet Material

Polycarbonate, grey colour

Cable Entry

Thermoplastic cable gland (IP 68)


170mm(H) x 100mm(W) x 60mm(D) (with 1 Gland)

170mm(H) x 120mm(W) x 60mm(D) (with 2 Glands)


Wall Mounting / Stand Mounting / Pipe Mounting


Approx 500 Grams

Output Signal :


4-20mA Current Output with configurable range selection

with 470 ohm load driving capacity.


Three SPDT Relays (one for Fail Safe and Two for

Alarm indication) of rating ‘2A/120VAC, 2A/24VDC’.


RS-485 Communication port with MODBUS RTU protocol.


Error Monitoring :

During Sensor Break / Open, the Display shows ‘SENSOR OPEN’ & 4-20mA output goes down to 3.7mA for Combustible gases only.

During Over range, the Display shows ‘OVER RANGE’ & 4-20mA output goes up to 21mA

Environmental :

Operating Temperature: -15°C to +55oC

Storage Temperature: -20 to +60oC

Humidity: Less than 95% Non-Condensing.

Accessories (Optional) :

  • CE certified 24 VDC Power supply.
  • Gas Sampling & Conditioning System.
  • Canopy & Mounting stand.
  • RS-485 to USB OR RS-232 convertor
  • Gas Calibration Kit (0.5,1, 3,10)Liter.
  • PC Based SCADA Software, Modem
  • Hooter Cum Flasher.

Contact Us

17-B, Tarun Industrial Estate, Mogra Pada, New Nagardas Road, Andheri (East), Mumbai, Maharashtra, 400069, India
Phone :+917259672294