AMBETRONICS ENGINEERS PVT. LTD.
MULTICHANNEL GAS MONITOR RACK TYPE

MULTICHANNEL GAS MONITOR RACK TYPE

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OXYGEN GAS MONITOR RACK TYPE

FEATURES: 

  • Fail Safe Operational Design
  • Continues Gas Monitoring and Alarm System
  • Modular Design Card with Individual Display with Bar Graph Indication for each Transmitter
  • Easily Expandable & Easy for Maintenance / Calibration
  • Individual Alarm Relay / Open Collector outputs for each Gas Transmitter
  • Gas Range, Resolution, control Action, Latch Facility programmable by users / multilayer password protected
  •  Inhibit / Service Mode, at the time of maintenance Alarm Relay become inactive
  • Easy Automatic Software Calibration - No Trim Pots
  • Optional isolated linear 4 - 20 mA O/P with Respect to gas concentration programmable by user
  • Optional isolated RS-485 with MODBUS RTU Protocol for DCS/ PLC 

APPLICATIONS: 

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

TECHNICAL SPECIFICATIONS:

Input

8 x 4 to 20mA output from Oxygen / Toxic / Combustible Gas Transmitter. 

Range

0 to 999 in unit PPM or % LEL or %V/V Programmable by user.

Resolution

0.01, 0.1, 1 programmable by user

Accuracy

± 0.25% of the full-scale value.

No. of Input cards

Max. 16 module cards (Optional available 24 nos. and 48 nos. depends upon panel size )

Display

3 Digits of 8 mm (H) Red L.E.D. display for Gas Concentration 20 segment Red color Bar Graph Display for Gas concentration 100% Fullscale, 5% Per step L.E.D.

LED Indication

8 No. AL1, Al2, Al3, Health Check / Failsafe IndicationPRG, CAL Optional
TX / RX for Transmitting Receiving signal 

Set point

3 Independent Alarm set point programmable by user Al1, Al2, Al3

Relay Output

4 No. 1 NO/C/NC relay contact rated  230VAC / 5A for Al1, Al2, Al3 and Fail safe Relay for each channel.

Relay Latching

Programmable latch facility for Alarm Relay-1 & Alarm Relay-2 Indication

Setting

Setting by 4 keys on front panel ‘ Set/Next,’ ‘Up’, ‘Down’, ‘Test / Ack’

Monitoring

Sensor break/ open shows under range shows  & over range shows

Supply Voltage

18 to 36 VDC, 24VDC normal for module card OR 230V AC ±10% for wall mounted panel

Cable

1.5 sq. mm 3 core OR 2 core, Flexible OR Armoured shielded cable from Gas Transmitter to Monitor

Operating Temperature

-15 to +550C

Cabinet Material

M.S. housing with powder coating of Epoxy or PP Grade

Terminal

connectors with 1.5 Sq. mm. Wire connection facility for each channel inside the panel

Mounting

Wall Mounting with 10mm x 70mm screws (4Nos.)

DETAILS

No. Of Channels

Dimension in mm (Approx)

Cutout Size in mm (Approx)

Weight in Kg



( W )

(H)

(D)

(W)

(H)

(Approx)


2 Channel Rack

118

134

200

63

134

1.0


4 Channel Rack

157

134

200

113

134

2.5


8 Channel Rack

260

134

200

215

134

4.0


16 Channel Rack

484

134

200

439

134

7.5


Complete Panel

575

357

425

N.A

N.A

15.0

Optional

a)Isolated RS-485 Serial port with MODBUS RTU Protocol output for PC interface
b) Isolated 4-20mA retransmission output for PLC, DCS, any recorder
c) SMARTLOG / SCADA SOFTWARE for online graph & data report for safety Audit or real time graph, history data, alarm report
e) 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