AMBETRONICS ENGINEERS PVT. LTD.
detection systems

detection systems

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Detection Systems

FEATURES:

  • Dual Display Of Gas Concentration & Set Point / Unit Of The Gas.
  • Plug In Smart Field Proven Sensor.
  • Micro controller Based Latest, Accurate, Reliable & High Performance Technology That Eliminates False Alarm.
  • Programmable Linear 4-20mA / 20-4mA O/P With Respect To Gas Concentration.
  • Optional RS-485 With Modbus RTU Protocol.
  • Optional Two Relay Contacts.
  • Easy One Man Calibration At Site.
  • Password Protected Programming With Password Changing Facility.
  • Suitable In Hazardous Area ATEX, CCOE, CMRI & IP-65 Approved.
  • Ready To Use With Any DCS, PLC & Ambetronics Controller.  

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

Range / Resolution

As specified in the Table 

Accuracy

+ 1% of the full scale value

Sensor type

Electrochemical / Catalytic Pellister / Solid State / Infra Red based Sensors

Standard output

Programmable Linear 4-20 / 20-4 mA O/P with respect to Gas concentration range

Dual Display

1) Upper :- 4 Digit of 13mm(H) Red LED display for 'Gas Concentration' indication

2) Lower :- 4 Digit of 13mm(H) Red LED display for 'Set Point Value  of Alarm Relay-1/ Unit of Gas

LED Indication

AL1 & AL2 for Relay, FLT for Fail-Safe Relay, PRG for Programming mode, INB for Service / Inhibit mode, TST for Test mode, TX for Transmitting signal, RX for Receiving signal.

Set point

2 No, Independent set point. For Alarm Relay-1 & Alarm Relay-2 with programmable latch & non-latch facility

Control action

LO / HI, HI / LO, LO/ Very LO, HI-Very HI, Programmable by user

Hysteresis

0 to 100 counts, Individual setting for Alarm Relay-1 & Alarm Relay-2, programmable by user

Setting

Setting by 4 keys on front panel i.e. SET / NEXT UP DOWN  &  TEST / BACK

Monitoring

1)By display : Sensor break/ open shows PE under range shows Undr & over range shows 

2)By Standard O/P current : Upscale current : 21mA, Down scale current : 3mA, selectable

Supply Voltage

18 to 36 VDC

Cable

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

Operating Temperature

0 to 500C + 5%, Relative Humidity: Below 95% non condensing

Sensor Housing

P.V.C. / P.P. / SS304/SS316, Please select while ordering

Enclosure Detail

GT - 2000 - WP (Weatherproof )

GT - 2000 - 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

Thermoplastic cable gland (IP 68) with clamping range of 2.5 to 6.5mm

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

Dimension 

255 mm (H) x 240 mm (W) x 120 mm (D)

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

Mounting

Wall Mounting / Stand Mounting

Wall Mounting / Stand Mounting

Weight 

Approx 2.0 Kg

Approx 3.0 Kg

Optional

a) Isolated RS-485 Serial port with MODBUS RTU protocol output

b) SMARTLOG / SCADA SOFTWARE for online graph & data report for safety Audit

c) Flame Proof or Non Flame Proof Industrial Hooter, Hooter cum Flasher, Chart recorder, Cables, PC Software, Gas Transmitters, 24 VDC power supply, Gas calibration kit

d) Optional 3 No, 1 NO-C-NC, 230 VAC/5A Potential Free Relay contacts for AL-l, AL-2, & Fail Safe Relay

 

LIST OF GAS TRANSMITTERS WITH RANGES & RESOLUTION:

Sr. No.

Gases

Range

Unit

Resolution

1.

Oxygen

0-25

%Vol.

0.1

2.

Oxygen

0-100

%Vol.

0.1


Toxic Gases


 


3.

Nitrogen Dioxide(NO2)

0-100

PPM

1

4.

Nitric Oxide (NO)

0-50

PPM

0.1

5.

Sulphur Dioxide(SO2)

0-20

PPM

0.1

6.

Chlorine(CL2)

0-10

PPM

0.1

7.

Carbon Monoxide (CO)

0-2000

PPM

1

8.

Carbon Dioxide (CO2)

0-10

%Vol.

1

9.

Hydrogen Sulphide (H2S)

0-200

PPM

0.1

10.

Hydrogen Cyanide (HCN)

0-10

PPM

0.1

11.

Hydrogen Chloride (HCL)

0-50

PPM

0.1

12.

Ammonia (NH3)

0-50

PPM

0.1

13.

Ozone (O3)

0-2

PPM

0.1

14.

Ethylene Oxide (C2H4O)

0-20

PPM

0.1

15.

Phosphine (PH3)

0-5

PPM

0.1

16.

Phosgene (COCL2)

0-1

PPM

0.1


Combustible Gases


 


17.

Acetaldehyde

0-100

% LEL

0.1

18.

Acetone

0-100

% LEL

0.1

19.

ISO-Butane

0-100

% LEL

0.1

20.

Hydrogen

0-100

% LEL

0.1

21.

Propane

0-100

% LEL

0.1

22.

Hydrocarbon

0-100

% LEL

0.1

23.

N-heptane

0-100

% LEL

0.1

24.

N-hexane

0-100

% LEL

0.1

25.

Hydrogen Cyanide

0-100

% LEL

0.1

26.

Hydrogen Sulphide

0-100

% LEL

0.1

27.

Methane

0-100

% LEL

0.1

28.

LPG

0-100

% LEL

0.1

29.

LNG

0-100

% LEL

0.1

* Please specify if any other Gases (Available on request)