S-Guard Ex
GasTech Australia Smart Guard series S-GuardTM Series GTD-2000Ex hydrocarbon Gas detector is a catalytic smart transmitter. The sensing and reference elements are self-compensating for temperature integrity. The industry standard 4 -20 mA analog output provides remote alarm, fault and calibration signals.
KEY FEATURES
- Continuous detection of combustible gas in explosion hazardous area with flame proof structure
- Self diagnosis function with built-in Microprocessor
- Excellent selectivity by adapting detection principle only for oxygen & toxic gas
- Superior performance for detecting gas below TLV
- Multi functions and high quality with low cost of ownership
- Built-in Back light LCD display
- Auto calibration and program setting with magnet bar and LCD display
- 4-20mA DC output signal
- One man Calibration and maintenance
APPLICATIONS
- Refineries
- Gas turbines
- Drilling and production platforms
- Chemical plants
- Fuel loading facilities
- Compressor stations
- Oil well logging
- Wastewater treatment facilities
- LNG/LPG processing and
- storage facilities
- Transportation facilities
SPECIFICATIONS
| Model |
S-Guard Ex GTD-2000 (Hydrocarbon) |
| Measuring gas | Combustible gas (LNG, LPG, Methane & etc) |
| Measuring type | Diffusion type |
| Sensor type | Hot wire semiconductor cell, Catalytic cell, Thermal conductivity cell semiconductor cell |
| Measuring range | 0-2,000 ppm & 0-100 % LEL 0-10,000 ppm & 0-5.0% Vol |
| Response time | <15 sec / 90% scale |
| Accuracy | ±3% / Full scale |
| Parameter controls | Non intrusive control with Magnet bar (calibration, maintenance, alarm setting) |
| Measuring value display | LCD display (Built-in Back light 2-Line, 16 characters) |
| Output signal | |
| Analog output : Measuring signal | 4-20 mA DC |
| Maintenance signal |
3 mA DC |
| Calibration signal | 2 mA DC |
| Fault signal | 0 mA DC |
| Digital output | RS-485 MODBUS (Option) |
| Cable / Distance | Power + signal cable: 3 wire (above CVVS 1.5sq) / 500m max. |
| RS-485 data communication cable |
1par (UL2919 RS-485) / 1,000m max. |
| Conduit pipe | 1/2" & 3/4" PF, NPT (3/4" PF standard) |
| Mounting type |
2" Pole mount, Wall mount, Duct mount |
| Operating temperature | -20℃ ~ +60℃ |
| Operating humidity | 5 ~ 99%.RH (non-condensing) |
| Operating power | 18 ~ 31V DC (24V DC normal) / 300mA max. |
| Dimensions | 136 x 166 x 110 (W X H X D)mm |
| Weight | 1.5kg |
| Approval | Flame proof structure (Ex d IIC T6),ATEX, IECEx |
ORDERING INFORMATION
- 67-9091-Ex : S-Guard Ex Catalytic Smart Transmitter and JBox 0-100% LEL IECex
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