| Ranges | 0-500ppm / 0-1000ppm / 0-2000ppm | 
| Display | 3 ½ digit LCD. Reads full scale from 0.00ppm to 100.0ppm independently of output range selection | 
| Output | Analog output signal: 0-1VDC represents the output range selected: 0-10ppm, 0-50ppm, 0-100ppm, etc. | 
| Data Logging | Logs data for 15 days @ 1 minute intervals, 30 days @ 2 minute intervals, etc. Represents the output range selected: 0-10ppm, 0-50ppm, 0-100ppm, etc. | 
| Power | 115/230VAC for 12VDC battery charger Rechargeable NiCad batteries: 350 hours continuous operation
 | 
| Repeatability | +/- 1% of range or +/- 0.2ppm of H2S,whichever is greater | 
| Operating Temperature | -1  to 45 ˚ C | 
| Dimension | 4.5”W x 9.5”H x 4.5”D | 
| Weight | 2.25 kg | 
| Approval | SA International to UL and CSA Class 1, Div. 1, Groups B,C,D |