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• Specifications
- Optical Path Length: Typically 0.5 - 5 m
- Accuracy: Application dependent
- Repeatability: 2% of range (gas & application dependent)
• Environmental conditions
- * Certified Operating temperatures: -20 °C - +55 °C
- Storage temperature: -20 °C to +55 °C
- Protection classification: IP66
• Inputs / outputs
- Analog output(3): 4 - 20 mA current loop (concentration, transmission)
- Digital output: TCP/IP, MODBUS, Optional fibre optic
- Relay output (3): High gas, Maintenance warning and fault
- Analog input (2): 4 - 20 mA Process temperature and pressure reading
• Ratings
- Input transmitter unit: 18 - 32 VDC, max. 20W
- 4 - 20 mA output: 500 Ohm max. isolated
- Relay output: 1 A at 30 V DC/AC
• Safety
- Laser class: Class 1 according to IEC 60825-1
- CE: Certified
- EMC: Conformant with directive 2014/30/EU
• Approvals
- IECEx/ATEX zone 1: II 2 G Ex pxb [op is Ga] IIC T4 Gb, II 2 D Ex pxb [op is Da] IIIC T100°C Db
- IECEx/ATEX zone 2: II 3 G Ex nA nC [op is Ga] IIC T4 Gc, II 3 D Ex tc [op is Da] IIIC T100°C Dc
- CSA: Class 1, Div.2, Groups A, B, C and D; Temperature Code T4
• Installation and Operation
- Flange dimension: DN 50/PN10 or ANSI 2"/150lbs(other dimensions on request)
- Alignment tolerances: Flanges parallel within 1.5°
- Purge flow: Dry and oil-free pressurised air or nitrogen 10 -50 l/min(application dependent)
- Purge air quality: ISO 8573-1:2010, class 3 or better
• Maintenance
- Visual inspection: Recommended every 6 - 12 months
- Calibration: Check recommended every 12 months
- Validation: Build-in cell for span check with H2 gas (non ATEX/IECEx/CSA) or integrated span check (all versions)
• Dimensions / Weight
- Transmitter unit: 405mm (plus 65 for purge unit) x 270mm x 170mm, 6.2kg
- Transmitter unit (Ex ver.): 405mm (plus 65 for purge unit) x 270mm x 310mm, 7.9kg
- Receiver unit: 355mm (plus 65 for purge unit) x 125mm x 125mm, 3.9kg
* Certified ambient temperature range: -20°C to +55°C
Extended ambient temperature ranges: -30°C to +55°C or -20°C to +65°C (non-certified) available upon request, subject to application.
| Gas | Detection limit | Min range | Max range | Response time | Temp | Pressure |
|---|---|---|---|---|---|---|
| H2 | 0.1 %Vol | 0-5 %Vol | 0-100 %Vol | 2sec | -50°C ~ 250°C | 0.5BarA ~ 10BarA |
NOTE: Detection limits are specified as the 95% confidence interval for 1m optical path and gas temperature/ pressure = 25°C / 1 BarA. Measured in N2.
