Measurement range | 0-1, 0-10, 0-100, 0-1000 ppm | 0-0.5, 0-1, 0-10, 0-100, 0-1000 ppm | 0-100 ppb, 0-1, 0-10, 0-100 ppm | 0-50, 0-100 ppb, 0-1, 0-10 ppm |
Accuracy at constant conditions | < 3% of reading or ±5 ppb (whichever is greater) | ±3% of reading or ±0.5 ppb (whichever is greater) |
Response time | T90 <15 seconds |
Sensitivity (LDL) | < 5 ppb | < 2.5 ppb | < 250 ppt | < 100 ppt |
Linearity | < 1% of scale |
Sensor | GPR-12-2000 MS-2 | GPR-12-2000 MS-2E | GPR-13-2000 UHP-2 | GPR-13-2000 UHP-2E |
Sensor life at 25ºC (77°F) and 1 atm | 12 months (Up to 24 months for the MS versions) |
Calibration interval | 30 days |
Inlet pressure | 1.4-3.4 barg (20-50 psig) with atmospheric vent, max 10.3 barg (150 psig) |
Flow rate | 0.5 - 1.0 l/m (1-2 SCFH) |
Gas connections | 1/4" compression tube fittings Option: 1/8" or NPT fittings | Inlets: 1/4" face seal fittings; Vent and pneumatic valves: 1/4" compression tube fittings |
Wetted parts | Stainless Steel |
Display | Graphical LCD 12 x 7cm (5 x 2.75”); resolution 0.1 |
Enclosure | Bench top, painted sheet metal (35 x 25 x 34cm (13.9” x 9.9” x 13.4”)) |
Options: panel or 19” rack mount, wall mount (30.5 x 30.5 x 20.3cm (12” x 12” x 8”)) | Bench top Options: panel or 19” rack mounting |
Compensation | Barometric pressure and temperature; heated sample system and sensor housing |
Signal output | 4-20 mA isolated, 0-1V and 0-5V |
Range ID | 1-5V DC or 4-20mA, optional relay contacts |
Communications | Choice of USB, RS232 |
Alarms | 2-off user-adjustable alarms form C relay contacts non-latching |
Operating temperature | 0° to 45°C (32°F to 113°F) |
Power | 100-240 V AC |