|
| Accuracy | <2% of full scale range under constant conditions |
| Analysis Ranges | 0-20, 0-50, 0-100 ppm full scale ranges
auto-ranging or manually lock on single range |
| Approvals | Certified for use in hazardous areas
UL: United States: UL 1203, UL 913, UL 508
Canada: CAN/CSA C22.2 No. 30-M1986, CAN/CSA C22.2 No. 157-92,
CAN/CSA C22.2 No. 14-10
ATEX: Directive 94/9/EC |
| Area Classification | ATEX Certified: EX II 2 G Ex d [ib] ib IIB T4 Tamb -20 to +50°C |
| Alarms | Two user configurable concentration alarm relays rated 3 A @ 100 V AC
Field programmable alarm time delays
Alarm bypass for calibration (AIS only) |
| Calibration | Span gas 50 to 100 ppm H2S balance air |
| Compensation | Barometric pressure (AIS standard) |
| Connections | 1/4” min; 3/8” if vent line >3m |
| Controls | Water resistant keypad
Menu driven range selection, calibration and system functions |
| Display | Graphical LCD 70 x 35mm
Resolution 0.1 ppm
Displays real time ambient temperature and pressure |
| Enclosure | NEMA Type 3R for rain in outdoor applications |
| Flow | Maintain constant flow, 0.2 Nl/min recommended |
| Linerarity | ±1% of full scale |
| Pressure | Inlet Regulate to 0.3 to 2 barg to deliver constant 0.2 Nl/min flow
Vent Atmospheric |
| Power | 12 to 28 V DC
110 to 220 V AC (AIS only) |
| Response Time | 90% of final reading in 90 seconds |
| Sample System | Coalescing filter, flow meters, sample/span valve
Note: Sensor requires 2 to 3 hours exposure to air to recover from exposure to moisture |
| Sensitivity | <0.5% of full scale range |
| Sensor Model | OSV-72-BH (standard ranges) |
| Sensor Life | 24 months @ +25°C and 1 atmosphere |
| Signal Output | 4-20 mA
Modbus RTU communication (AIS only) |
| Operating Range | -10 to +45°C |
| Warranty | 12 months analyzer
12 months sensor |
| Wetted Parts | Stainless steel |
| Optional Equipment | |
| Sample Conditioning Systems | Contact Michell Instruments |
| OSV-72-BE Sensor | For 0-500 ppm, 0-1000, 0-2000 ppm full scale ranges |
