Accuracy: < 2% of FS range under constant conditions Analysis: 0-20, 0-50, 0-100 PPM FS ranges;
Auto-ranging or manually lock on single range
 Application: Trace PPM H2S in flowing gas streams  Approvals:  ATEX certifications Ex ai IIB T4 Gb
Area Classification: Class 1, Division 1, Group C, D hazardous areas Alarms: None
 Calibration: Span gas 50-100 PPM H2S balance air  Compensation:  Barometric pressure, temperature not required
 Connections: 1/8″ compression tube fittings  Controls: Water resistant keypad; menu driven range selection, calibration and system functions
 Display: LCD 2.75” x 1.375”; resolution .1 ppm  Enclosure: Painted aluminum NEMA 4X, 4x9x3″, 8 lbs.
 Flow Sensitivity: Maintain constant flow; 1 SCFH recommended  LED Indicators: LOW BATT (72 hr. warning); CHARGE mode
 Linearity: +1% of full scale range  Pressure: Inlet – regulate to 5-30 psig; vent – atmospheric
 Power: Rechargeable battery, 60 day duty cycle  Response Time: 90% of final FS reading in 90 seconds
 Sample System: Coalescing filter, flow meters and integral sample pump  Sensitivity: < 0.5% of FS range
 Sensor Model: OSV-72-7HH (standard ranges)  Sensor Life: 24 months at 25ºC and 1 atm
 Signal Output: 0-1V  Temp. Range: -10ºC to 45ºC
 Warranty: 12 months analyzer; 12 months sensor  Wetted Parts: Stainless steel


Optional Equipment
OSV-72-7H-LM Sensor for measuring H2S above 100 PPM