Smart Gas Transmitter
Smart Gas Transmitter
- 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 LED 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 relay.
- 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
Standard Compliance :
• IS/IEC 60079-0 : 2004
• IS/IEC 60079-1 : 2007
• IS/IEC 60529 : 2001
Application
- Gas Metering skid
- Gas Cylinder Bank
- Oil & Gas Industries
- Gas Pipeline Project
- Refineries
- Cold Storage
- Sewage Plants
- Fertilizers Plants
- Stack Monitoring
- Chlorination Plant
- Ambient Monitoring
- Pulp & Paper Plants
- Gas Metering Station
- Burner / Furnace Areas
- Bullet Yard / Storage Yard
- Chemical Processing Plant
- Acid Alkalizes & Dyes Mfg. Plants
- Offshore Drilling & Processing Platforms
- Heat Treatment Plants
- Chemical Storage Area
- Control Atmosphere
- Power & Industrial Plants
- Coal Mine and Confined Area
- Chemical & Petrochemical Plants
- Automotive Industries / Paint Shops
TECHNICAL SPECIFICATIONS
General :
- Detection Method : Electrochemical / Catalytic Bead Pellistor /Solid State
- Gases Detected : Oxygen / Toxic / Combustible / VOC (Please select from the table below).
- Display: 2-Line, 4-Digit 8 mm (H) Seven Segment LED Display 8 LEDs to indicate status of instrument
Control Action :
- Two independent Alarm set points with Latch & Non-latch facility.
- User selectable Hysteresis and Logic option.
- Configurable STEL and TWA set points for Toxic Gases (optional).
Setting : By using 3 Keys on front panel for Weatherproof Model By using Magnetic pen for Flameproof model
Performance :
Accuracy : ±2% of Full Scale.
Response Time :
- T20 < 18 Seconds
- T50 < 22 Seconds
- T90 < 40 Seconds
Start-up Time : Less than 30 Seconds.
Electrical :
- Supply voltage: 18 to 36 VDC, Typically 24 VDC
- Power Consumption : Less than 3.6 watt
- Cable: 3 wire (1.5mm2) Flexible or armoured shielded cable
Weatherproof Housing :
- Protection Class : IP-65
- Cabinet Material : Polycarbonate, grey colour
- Cable Entry : Thermoplastic cable gland (IP 68)
Dimension
- 155mm (H) x 100 mm (W) x 55 mm (D) - (1 Glands)
- 155mm (H) x 120 mm (W) x 55 mm (D) - (2 Glands)
Mounting : Wall Mounting / Stand Mounting / Pipe Mounting
Weight : Approx 500 Grams
Output Signal :
- Standard : 4-20mA Current Output with configurable range selection.
- Optional : Three SPDT Relays (one for FailSafe and Two for Alarm indication) of rating ‘2A/120VAC, 2A/24VDC’.
- Optional : RS-485 Communication port with MODBUS RTU protocol.
Error monitoring
- Operating Temperature : -15ºC +to 50ºC
- Storage temperature : -10ºC to +60ºC
- Humidity: Less than 95% non-condensing
Accessories (Optional) :
- CE certified 24 VDC Power supply.
- Canopy & Mounting stand.
- Gas Calibration Kit (0.5,1, 3,10)Liter.
- Hooter Cum Flasher.
- Remote Control for programming.
- Gas Sampling & Conditioning System.
- RS-485 to USB OR RS-232 convertor
- PC Based SCADA Software, Modem
Flameproof Housing
- Protection Class ; IP-66 for Gas GI“. HA, IIB & IIC, CMRI (CIMFR) approved Enclosure, CCOE (Optional).
- Cabinet Material : CastAluminium alloy, LM-6
- Cable Entry : Double compression cable gland (Ex-Proof), 3AWET-type
- Dimension : 175mm (H) x 205mm (W) x 120 mm (D) - (1 Glands) 175mm(H) x 250 mm(W) x 120 mm (D) - (2 Glands)
- Mounting : Wall Mounting / Stand Mounting / Pipe Mounting
- Weight : Approx 2.0 Kg