AMBETRONICS ENGINEERS PVT. LTD.
gas meters

gas meters

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gas meters

FEATURES: 

  • Flame proof housing for explosive environment.
  • Digital display of gas concentration on the LCD with auto backlit.
  • Password protected function menu.
  • Standard 4-20 mA output with fault indication current output.
  • Low, High configurable Alarms with Visual alerts.
  • Optional alarm relay contacts.
  • One man auto software gas calibration.
  • Gas concentration can be displayed in %V/V, %LEL, PPM, PPB or mg/m3
  • Auto scaling of gas concentration from PPM to %V / V or %LEL.
  • Easy handling & programming with 3 keys.
  • It can be programmed from line of site up to 10 meters using IR remote control.
  • For flameproof enclosures programming is possible using magnetic switches.
  • MODBUS RS 485 serial port available for digital communication 

APPLICATIONS: 

  • Oil & Gas Industries
  • Chemical & Petrochemical Plants
  • Chemical Processing Plant
  • Pulp & Paper Plants
  • Acid Alkalizes & Dyes Mfg. Plants
  • Offshore Drilling & Processing
  • Platforms
  • 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 / Paint Shops
  • Burner / Furnace Areas 

TECHNICAL SPECIFICATION

Input

Oxygen / Toxic / Combustible Gases, Please select from the Table below.

Range / Resolution

As specified in the Table below

Scalability

PPM to %V/V & PPM to % LEL, with range 0-100%. Up to 0- 9999 concentration will be displayed in PPM then it will get scaled to % V/V or %LEL accordingly.

Accuracy

+ 1% of the full scale value

Sensor type

Electrochemical / Catalytic Pellister expected life 24 months

Standard output

Programmable Linear 4-20 mA O/P with respect to Gas concentration range, optional RS - 485 Modbus output

Dual Display

1) Upper :- 4 Digit of 8mm(H) Red LED display for 'Gas Concentration' indication

2) Lower :- 4 Digit of 8mm(H) Red LED display for 'Set Point Value  of Alarm Relay-1/ Unit of Gas

LED Indication

RL1 & RL2 for Relay1 and Relay 2 respectively, HTY for Healthy Check, PRG for Programming mode, & CAL for calibration mode, KEY for sensing key press, TX & RX for RS 485 Communication.

Setting

Setting by 3 keys on front panel i.e. SET / NEXT SHIFT  INCREMENT keys.

Monitoring

i) By display: Over range shows OVER RANGE

ii) By Standard O/P current: Over range: 21mA, Startup menu and Operation, modes: 3.8mA and Normal working mode:4-20mA.

Supply Voltage

CE Certified 18VDC to 36VDC power supply, 100 mA at 24 VDC.

Cable

1.5 sq. mm 3 Core, Flexible OR Armored shielded cable

Operating Temperature

0 to 50oC + 5%,

Relative Humidity

Below 95% non condensing

Sensor Housing

P.V.C. /   SS316, Please select while ordering

Enclosure Detail

GT - 2500 - WP (Weatherproof )

GT - 2500 - FLP(Flameproof )

Protection Class

IP-65

IP-65 for Gas Gr. IIA & IIB, ATEX,CCOE & CMRI Approved

Cabinet Material

Polycarbonate, gray colour

Cast Aluminium alloy, LM-6 / C.I. Enclosure

Cable Entry

1 no, Thermoplastic cable gland (IP 68)

Double compression cable gland (Ex-Proof), 3/4" ET type

Dimension

190 (H) x 80 (W) x 55 (D) in mm

180 (H) x 205 (W) x 110 (D) in mm

Mounting

Wall Mounting / Stand Mounting / Pipe Mounting

Wall Mounting / Stand Mounting / Pipe Mounting

Weight

Approx 350 Grams

Approx 2.0 Kg

Optional

Flame Proof or Non Flame Proof Industrial Hooter, Hooter cum Flasher, Chart recorder, Cables,24 VDC power supply,

Gas calibration kit, Canopy mounting stand, RS-485 MODBUS, SCADA Software & IR Remote control.

 

 

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