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The Simtronics GD1 sets a new standard for toxic gas detection. Using a tuneable laser diode, the GD1 delivers enhanced coverage and fail safe detection. The performance improvement marks a genuine step change for safety systems and life cycle cost savings.
The GD1 has been designed with features that provide an effective response to the detection of gas hazards in a wide range of industrial environments from offshore production facilities to wastewater treatment plants.At the heart of the detector is a tuneable laser diode that eliminates environmental effects from sun, rain and fog. The laser scans single absorption lines where there is no interference from other gases.
Unlike traditional methods for detecting H2S (MOS or EC cell) the GD1 needs no recalibration and can replace multiple standard detectors to cover the same risk. The complete optomechan ical design and construction is so stable that an ultra fast speed of response can be achieved whilst providing unparalleled service life and detector stability, thus saving on maintenance and service costs.
Supplied with worldwide hazardous area approvals. Suitable for use in systems with SIL 2 requirement.
技术参数:| GENERAL | |
| Type | Gas detector |
| Product | GD1 |
| Product code | GD1-L0P-31KH-0XH-A0 |
| Manufacturer | Simtronics |
| GAS DETECTOR | |
| Type | Laser Open Path Gas Detector |
| Design principle | Near IR Laser Scanning |
| IR Source | Tuneable laser diode, Laser Class 1, eye safe |
| Calibrated gas | Hydrogen sulphide (H2S) |
| Detected gases | Target gas only |
| Calibrated range | 0 – 200 ppm.m 0 - 500 ppm.m 0 - 1000 ppm.m 0 - 2000 ppm.m 0 - 5000 ppm.m 0- 20000 ppm.m |
| Path length | 5 – 50m; 5 - 75m (long range) |
| PERFORMANCE | |
| Zero point stability | ±2%, Relative to full scale deflection (FS) |
| Span stability | ±3% FS |
| Response time | 5 sec |
| Tolerable Obscuration | ≤98% |
| Calibration interval | Fixed factory calibrated. No field calibration required. |
| ELECTRICAL | |
| Power supply | 24V DC, (range 18 - 32V DC) |
| Power consumption | 15W max (TX: 10W + Rx: 5W) |
| Cable entry | M20 |
| Heated Optics | Yes |
| Junction box | Supplied with Exe junction box for Transmitter (Tx) and Receiver (Rx). |
| Connection | 0.5 mm2 (20 AWG) - 2.5 mm2 (14 AWG), 3 wires |
| Analogue output signal | 0-20mA, max. load impedance 500Ω. |
| Fault signalling | Diagnosis signalling in the 0.4 - 3.0mA range |
| Maintenance interface | HART v6.0 Universal Commands |
| ENVIRONMENT | |
| Storage | -40°C to +70°C (-40°F to 158°F) |
| Operation | -40°C to +65°C (-4°F to 149°F) |
| ATEX flameproof | -55°C to +75°C (-67°F to 167°F) |
| Humidity | 99% RH (non-condensing) |
| Ingress | IP66 / IP67 DIN 60529 |
| RFI/EMI | Complies with EN 61000-6-2, EN 61000-6-4, EN 50270, EN 60945 |
| HOUSING | |
| Ex Classification | Tx/Rx: ATEX II 2 G EExd IIC T5 JB: ATEX II 2 G EEx e T6 |
| Material | 316 L stainless steel |
| Weight | Tx/Rx: 5.5 Kg (12 lbs), JB: 2.0 Kg (4.4 lbs) |
| Dimensions | 205L x 115W x 248H (mm), 8.1 x 4.3 x 9.8 (inches) |
| APPROVALS | |
| ATEX | DNV 2008 ATEX 18877X |
| IECEX | DNV 10.0002X |
| Ingress | IP66/IP67 IEC 60529 |
| SIL | Suitable for use in SIL2 systems |
| ACCESSORIES | |
| GD1-X00-TT01 | Alignment kit |
| GD1-X00-TT05 | Test cell |
Product Sheet H2S398.36 KB
Product Sheet CO2596.80 KB
Operating Manual (English)2.13 MB
GD1 Drawing240.55 KB
DNV ATEX Certification239.80 KB
DNV IECEx Certification91.57 KB
CE Declaration189.91 KB
SIL 2 Declaration272.91 KB
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