Specifications and Product Details:

Hydrocarbon Gas Detector

FEATURES:

Higher accuracy and better lifetime achieved using NDIR sensor Technology.
Optimized for detection of smallest leak of combustible gases.
Highly resistant to poisoning and etching.
Capable of detecting down to PPM, %LEL, %V/V, mg/m3.
Auto ranging of gas concentration from PPM to %V/V & %LEL.
Digital Alphanumeric display with Auto backlit.
Standard 4-20mA signal output proportional to Gas concentration range.
Easy handling and programming with 3 keys.
Can be programmed using Remote Control from 10 meters line of site distance.
Password protected programming menu.
One man Auto software Gas calibration.
Non - Intrusive programming for Flameproof models using Magnetic pen.
Optional alarm relay contacts with two configurable alarm levels.
Optional RS-485 communication port with MODBUS RTU Protocol.

APPLICATIONS: .

Breweries.
Steel Plants.
Gas Turbines.
Leak detection .
Solvent Vapors.
Personal Monitoring.
Compressor Stations.
Emergency response.
Pulp & Paper Industry.
Fuel Loading Facilities.
Equipment maintenance.
Incoming cylinder inspection.
Waste water treatment plants.
LNG / LPG Processing & storage facilities.
Refineries & Petrochemical plants including offshore drilling & plant shut-downs.

TECHNICAL SPECIFICATIONS:
General		Output Signal
Detection Method	NDIR, IR Absorption, Dual wavelength multipath.	Standard		4-20mA Current Output proportional to Gas Concentration.
IR Source	Tungsten filament light bulb, pulsated at 4Hz.	Optional		Two SPDT Relays of rating “120VAC/2A, 24VDC/2A”.
Gases Detected	Hydrocarbons (Please select from the list below)	Optional		RS-485 Communication port with MODBUS RTU protocol.
Display	8 x 2 Alphanumeric LCD with Auto Backlit. 8 LEDs to indicate status of instrument.	Error Monitoring
Control Action	i) Two independent Alarm set points with Latch & Non latch facility. ii) User selectable Hysteresis and Logic option.	i) During Sensor break / open, the Display shows ‘SENSOR OPEN’& 4-20mA output goes down to 3.7mA. ii) During Over range, the Display shows ‘OVER RANGE’& 4-20mA output goes up to 21mA.
Setting	By 3 Keys on front panel By using Magnetic pen (Only for Flameproof model) By using Remote Control (Optional)
Auto Ranging	From PPM to % LEL, PPM to %V/V.
Performance		Environmental
Accuracy	+/- 2% of Full Scale.	Storage Temperature		-40 to +80 C ±5%
Response Time	T20 < 5 Seconds T50 < 9 Seconds. T90 < 25 Seconds.	Operating Temperature		-30 to +70 C±5%
Start-up Time	Less than 30 Seconds.	Humidity		95% Non-Condensing.
Electrical		Accessories
Power Supply	24 VDC, Range 18-36 VDC.	CE certified 24 VDC Power supply. Canopy Mounting stand. SCADA Software. RS-485 to USB convertor			RS-232 to RS-485 convertor Hooter Cum Flasher. Gas Calibration Kit. Remote Control.
Power Consumption	Less than 3.2Watts.
Connection	3Wires (1.5 mm ) Flexible or Armored Shielded Cable.
Weatherproof Housing		Flameproof Housing
Protection Class	IP-65	Protection Class	IP-65 for Gas Gr. IIA, IIB & IIC CMRI approved enclosure, CCOE(Optional).
Cabinet Material	Polycarbonate, grey colour	Cabinet Material	Cast Aluminium alloy, LM-6
Cable Entry	Thermoplastic cable gland (IP 68)	Cable Entry	Double compression cable gland (Ex-Proof), ¾” ET-type
Dimension	171 mm (H) x 83 mm (W) x 57mm (D)	Dimension	180 mm (H) x 242 mm (W) x 128mm (D)
Mounting	Wall Mounting / Stand Mounting / Pipe Mounting	Mounting	Wall Mounting / Stand Mounting / Pipe mounting
Weight	Approx 500 Grams.	Weight	Approx 2.0 Kg