Application: Trace PPM H2S in ambient air for personnel safety Analysis Ranges: 0-20, 0-50 and 0-100 PPM Fuul Scale
*Accuracy: <2% of FS under constant conditions Linearity:

±2% of full scale

Sensitivity  <0.5% of full scale Response Time

90% of step change in 35 sec

Area Classification: cUL for use in Class 1, Division 1, Group C, D Approvals:


Ex ib IIB T4 Tamb –20oC to +50oC

Calibration: Span gas 50-100 PPM H2S balance air Alarms: Two alarm relays rated at 3A @ 100 VAC; alarm time delays; and alarm bypass
Sample System: None, Flow through adopter provided for field calibration Sample Controls: None
Display: Graphical LCD 2.75” x 1.375”; resolution 0.1 PPM; Controls: Menu driven range selection, calibration and system functions
Flow Sensitivity: N/A, 1-2 SCFH during calibration Compensation: Temperature compensated output
Pressure: Ambient +/- 10% of ambient pressure Power: 12-24 VDC 
Sensor Life: 24 months at 25ºC and 1 atm Sensor Model: OSV -72-7HH/LM
Operating Range: Recommended –20ºC to 50ºC Signal Output: 4-20mA isolated or 1-5 VDC
Enclosure: Aluminum ex-proof, fiberglass, 21x9x6” Type 3R Warranty: 12 months analyzer; 12 months sensor
Wetted Parts: Stainless Steel Weight: 20 Ibs Stainless steel

*At constant temperature and pressure

Optional Equipment
OSV-72-7HH/H Sensor for measurements above 100 PPM H2S
Sample system  NONE
Enclosure Analyzer enclosed in NEMA4 enclosure