Specifications
Multichannel Gas Monitor:Input: 4 to 20mA output from Oxygen / Toxic / Combustible 2/3 Wire Gas Transmitters
Multichannel Gas Monitor
FEATURES:
- Fail Safe Operation Design.
- Continues Gas Monitoring and Alarm System.
- Modular Design Card with Individual Display with Bar Graph indication for each sensor.
- Easily Expandable & easy for maintenance.
- Individual Alarm Relay/Open collector outputs for each sensor.
- 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 Programmable linear 4~20 mA output with respect to Gas Concentration.
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 SPECIFICATIONS: | |||||||
Input | 4 to 20mA output from Oxygen / Toxic / Combustible 2/3 Wire Gas Transmitters | ||||||
Range | -99 to 999 programmable by user, reads % L.E.L.,%L.F.L., P.P.M. OR % VOL. | ||||||
Resolution | 0.01, 0.1, 1 programmable by user | ||||||
Accuracy | ± 0.5 % 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 | 1)3 Digits of 8mm (Height) Red L.E.D display for Gas Concentration 2) 20 segment Red color Bar Graph Display for Gas Concentration 100% Full scale, 5% Per step L.E.D | ||||||
LED Indication | 8 No, AL1, AL2, AL3, Health Check / Failsafe Indication, PRG, CAL, Optional TX for Transmitting signal & RX for Receiving signal. | ||||||
Set point | 3 Independent Alarm set point programmable by user AL1, AL2, AL3 | ||||||
Control action | LO / HI, HI / LO, LO/ Very LO, HI-Very HI, Programmable by user AL1, AL2, AL3 | ||||||
Hysteresis | 0 to 10 counts, Individual setting for AL1,AL2 & AL3 programmable by user | ||||||
Relay Output | 4 NO, 1 NO/C/NC relay contact rated 230VAC / 5A for AL1, AL2, AL3 and Failsafe Relay | ||||||
Relay Latching | Programmable Latch / Non-Latch facility for AL1, AL2 & AL3 | ||||||
Setting | Setting by 4 keys on front panel 'Set/Next', 'Up','Down', 'Test / Ack' | ||||||
Monitoring | i) By Display : Sensor Break / Open shows 'oPn', Under range shows 'Und' & Over range shows 'our' ii) By Current O/P : Upscale current >21mA, Down scale current < 1mA, selectable | ||||||
Supply Voltage | 18 to 36 VDC, 24 VDC normal for module card OR 230V AC ± 10% for wall mounted panel | ||||||
Cable | 1.5 sq. mm 3 Core OR 2 Core, Flexible OR Armored shielded cable from Gas transmitter to Monitor | ||||||
Operating Temperature | 0 to 50°C ±5%, Relative Humidity: Below 95% non Condensing | ||||||
Cabinet Material | Aluminum housing with powder coating | ||||||
Terminal | 20 connectors with 1.5 Sq. mm. Wire connection facility for each channel on back side of panel | ||||||
Mounting | Panel mounting / Wall mounting | ||||||
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 Gas Detection Panel | 575 | 357 | 425 | ----- | ----- | 15.0 | |
