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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 |
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Range |
-99 to 999 programmable by user, reads % L.E.L.,%L.F.L., P.P.M. OR % VOL. |
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Resolution |
0.01, 0.1, 1 programmable by user |
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Accuracy |
± 0.5 % of the full scale value |
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No. of Input cards |
Max. 16 module cards (Optional available 24 nos. and 48 nos. depends upon panel size ) |
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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 |
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LED Indication |
8 No, AL1, AL2, AL3, Health Check / Failsafe Indication, PRG, CAL, Optional TX for Transmitting signal & RX for Receiving signal. |
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Set point |
3 Independent Alarm set point programmable by user AL1, AL2, AL3 |
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Control action |
LO / HI, HI / LO, LO/ Very LO, HI-Very HI, Programmable by user AL1, AL2, AL3 |
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Hysteresis |
0 to 10 counts, Individual setting for AL1,AL2 & AL3 programmable by user |
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Relay Output |
4 NO, 1 NO/C/NC relay contact rated 230VAC / 5A for AL1, AL2, AL3 and Failsafe Relay |
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Relay Latching |
Programmable Latch / Non-Latch facility for AL1, AL2 & AL3 |
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Setting |
Setting by 4 keys on front panel 'Set/Next', 'Up','Down', 'Test / Ack' |
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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 |
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Supply Voltage |
18 to 36 VDC, 24 VDC normal for module card OR 230V AC ± 10% for wall mounted panel |
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Cable |
1.5 sq. mm 3 Core OR 2 Core, Flexible OR Armored shielded cable from Gas transmitter to Monitor |
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Operating Temperature |
0 to 50°C ±5%, Relative Humidity: Below 95% non Condensing |
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Cabinet Material |
Aluminum housing with powder coating |
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Terminal |
20 connectors with 1.5 Sq. mm. Wire connection facility for each channel on back side of panel |
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Mounting |
Panel mounting / Wall mounting |
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Details |
No. Of Channels |
Dimension in mm (Approx) |
Cutout Size in mm (Approx) |
Weight in Kg |
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( W ) |
(H) |
(D) |
(W) |
(H) |
(Approx) |
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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 |
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15.0 |
|
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