SGT35: Smart Gas Transmitter For Toxic / Combustible Gases

Specifications :

Performance
Accuracy :±1% of Full Scale
Response Time :T20 < 18 Seconds
T50 < 22 Seconds
T90 < 40 Seconds
Start-up Time : Less than 30 Seconds.
Electrical
Supply Voltage : 18 to 36 VDC. Typically 24VDC
Power Consumption : Less than 3,6 Watts
Cable : 3 Wires (1.5 mm) Flexible or Armoured Shielded Cable
Weatherproof Housing
Protection Class : IP-65
Cabinet Material : Poly-carbonate, grey colour
Cable Entry : A thermoplastic cable gland (IP 68)
Dimension : 171 mm(H)x ll9mm(W)x57 mm(D)
Mounting : Wall Mounting/Stand Mounting
Weight : Approx 350 Grams
Output Signal
Standard : 4-20mA Current Output with configurable range selection.
Optional : Three SPDT Relays (one for Fail-safe and Two for Alarm indication) of rating I20VAC/2A,24VDC/12A
Optional : RS-485 Communication port with MODBUS RTU protocol.

Description

Special Features :
Highly resistant to poisoning and etching
Capable of detecting down to PPM, %LEL & %V/V.
Digital display of gas concentration on Seven Segmet Display
Standard 4-20mA signal output with configurable range
Easy handling and programming with 3 keys
Can be programmed using Remote Control from 10 meters in line of site distance
Non-intrusive programming for Flameproof model using Magnetic pen
Password protected programming with password changing facility
One man auto software Gas Calibration
Optional STEL and TWA set points can be configured for Toxic Gases
Optional RS-485 communication port with MOBDUS RTU Protocol
Provides a fast reliable output by using Electro Chemical / Pellister Sensor Technology
Optimized for detection of smallest leak of Toxic and Combustible Gases
Applications :

Refineries, Sewage Plants, Fertilizers Plants, Stack Monitoring, Gas Cylinder Bank,
Ambient Monitoring, Pulp and Paper plants. Oil and Gas Industries, Gas Pipeline projects, as Metering Station, Heat Treatment Plants, Automotive Industries, Chemical Storage Area, Burner / Furnace Area, Power and Industrial Plant, Bullet Yard / Storage Yard, Chemical Processing Plants, Coal Mine and Confined Area, Offshore Drilling & Processing, Chemical & Petrochemical Plants, Acid Alkalizes & Dyes Mfg. Plants

Additional information

General

Detection Method

: NDIR / Electrochemical / Catalytic
Bead /Pellistor•Siegistor Gases Detected

Display

: 2-Line, 4-Digit 13mm (1/2”) Seven Segment Display
8 LEDs to indicate status of instrument

Control Action

: i) Two Independent Alarm set points with latch & Non-latch facility
ii) User selectable Hysteresis and Logic option
iii) Configurable STEL and TWA set points for Toxic Gases

Setting

: By using 3 Keys on front panel for WP Model
By using Magnetic pen for Flameproof model
By using Remote Control for WP & FLP Models
(Optional )

Performance

Accuracy

: ±1% of Full Scale

Response Time

: T20 < 18 Seconds
T50 < 22 Seconds
T90 < 40 Seconds

Start-up Time

: Less than 30 Seconds.

Electrical

Supply Voltage

: 18 to 36 VDC. Typically 24VDC

Power Consumption

: Less than 3,6 Watts

Cable

: 3 Wires (1.5 mm) Flexible or Armoured Shielded Cable

Weatherproof Housing

Protection Class

: IP-65

Cabinet Material

: Polycarbonate, grey colour

Cable Entry

: Thermoplastic cable gland (IP 68)

Dimension

: 171 mm(H)x ll9mm(W)x57 mm(D)

Mounting

: Wall Mounting/Stand Mounting

Weight

: Approx 350 Grams

Output Signal

Standard

: 4-20mA Current Output with configurable range selection.

Optional

: RS-485 Communication port with MODBUS RTU protocol.