AMBETRONICS ENGINEERS PVT. LTD.
detection gas

detection gas

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Detection gas

 

FEATURES

  • Provides a fast and reliable output by using traditional Electro Chemical Sensor / Catalytic Pellister Technology.
  • Optimized for detection of smallest leak of Oxygen, Toxic and Combustible gases.
  • Highly resistant to poisoning and etching.
  • Capable of detecting down to PPB, PPM, %LEL, %V/V.
  • Digital display of Gas Concentration on Seven Segment Display.
  • 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.
  • Non - Intrusive programming for Flameproof models using Magnetic pen.
  • Password protected programming menu.
  • One man Auto software Gas calibration.
  • Optional alarm relay contacts with two configurable alarm levels.
  • Optional RS-485 communication port with MODBUS RTU Protocol.

APPLICATIONS

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

TECHNICAL SPECIFICATIONS:

General

Output Signal

Detection Method

Electrochemical / Catalytic pellister.

Standard

4-20mA Current output proportional to Gas Concentration.

Gases Detected

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

Optional

Three SPDT Relays (one for Fail Safe and Two for Alarm indication) of rating  120VAC/2A,240VDC/2.

Display

2-Line, 4-Digit 13mm(H) Seven Segment Display

8 LEDs to indicate status of instrument.

Optional

RS-485 Communication port with MODBUS RTU protocol.

Control Action

i) Two independent Alarm set points with Latch & Non-latch facility.

ii) User selectable Hysteresis and Logic option.

Error Monitoring

Setting

By 3 Keys on front panel

By using Magnetic pen (Only for Flameproof model)

By using Remote Control (Optional)

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

Performance

Environmental

Accuracy

+1% of Full Scale.

Storage Temperature

-10 to +60+5%

Response Time

T20 <

T50 <

T90 <

Operating Temperature

0 to +50oC +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 mm2 ) 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),  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



LIST OF GAS TRANSMITTERS WITH RANGES & RESOLUTION:

Sr. No.

Gases

Range

Unit

Resolution

1.

Oxygen(O2)

0-25

%Vol.

0.1

2.

Oxygen(O2)

0-100

%Vol.

0.1


Toxic Gases


 


3.

Nitrogen Dioxide(NO2)

0-20

PPM

1

4.

Nitric Oxide (NO)

0-250

PPM

1

5.

Sulphur Dioxide(SO2)

0-50

PPM

1

6.

Sulphur Dioxide(SO2)

0-2000

PPM

1

7.

Chlorine(CL2)

0-20

PPM

1

8.

Chlorine(CL2)

0-200

PPM

1

9.

Carbon Monoxide (CO)

0-2000

PPM

1

10.

Carbon Dioxide (CO2)

0-10

%Vol.

0.1

11.

Hydrogen Sulphide (H2S)

0-100

PPM

1

12.

Hydrogen Sulphide (H2S)

0-200

PPM

1

13.

Hydrogen Cyanide (HCN)

0-100

PPM

1

14.

Hydrogen Chloride (HCL)

0-50

PPM

1

15.

Ammonia (NH3)

0-50

PPM

1

16.

Ammonia (NH3)

0-100

PPM

1

17.

Ozone (O3)

0-2

PPM

1

18.

Ethylene Oxide (C2H4O)

0-20

PPM

1

19.

Phosphine (PH3)

0-9999

PPB

1

20.

Phosgene (COCL2)

0-1000

PPB

1


Combustible Gases


 


21.

Acetaldehyde

0-100

% LEL

0.1

22.

Acetone

0-100

% LEL

0.1

23.

N-Butane

0-100

% LEL

0.1

24.

Hydrogen

0-100

% LEL

0.1

25.

Methane

0100

% LEL

0.1

26.

Propane

0-100

% LEL

0.1

27.

Ethylene

0-100

% LEL

0.1

28.

n-Hexane

0-100

% LEL

0.1

29.

n-Pentane

0-100

% LEL

0.1

30.

n-Heptane

0-100

% LEL

0.1

31.

LPG

0-100

% LEL

0.1

32.

LNG

0-100

% LEL

0.1

33.

Acetylene

0-100

% LEL

0.1

34.

Benzene

0-100

% LEL

0.1

35.

n-Butanol

0-100

% LEL

0.1

36.

i-Butanol

0-100

% LEL

0.1

37.

i-Butanol

0-100

% LEL

0.1

38.

i-Butene

0-100

% LEL

0.1

39.

Propene

0-100

% LEL

0.1

40.

Cyclohexane

0-100

% LEL

0.1

41.

Cyclopropane

0-100

% LEL

0.1

42.

n-Decane

0-100

% LEL

0.1

43.

Ethane

0-100

% LEL

0.1

44.

Ethanol

0-100

% LEL

0.1

45.

Ethene

0-100

% LEL

0.1

46.

Ethyl acetate

0-100

% LEL

0.1

47.

Ethylamine

0-100

% LEL

0.1

48.

Ethyl benzene

0-100

% LEL

0.1

49.

Ethyl methyl ether

0-100

% LEL

0.1

50.

Gasoline

0-100

% LEL

0.1

51.

Isobutene

0-100

% LEL

0.1

52.

Methanol

0-100

% LEL

0.1

53.

Methyl acetate

0-100

% LEL

0.1

54.

Methyl ether

0-100

% LEL

0.1

55.

Methyl Pentane

0-100

% LEL

0.1

56.

n-Nonane

0-100

% LEL

0.1

57.

Octane

0-100

% LEL

0.1

58.

i-Pentane

0-100

% LEL

0.1

59.

1-Pentane

0-100

% LEL

0.1

60.

n-Propanol

0-100

% LEL

0.1

61.

Ethyl ether

0-100

% LEL

0.1