Property | Description/Value |
---|---|
Response time (63 %) |
GMP221 probe: 20 s GMP222 probe: 30 s |
Warm-up time |
30 s (15 min to full specification) 30 min to full specification with GM70PUMP |
Sensor type | CARBOCAP® |
Measurement ranges | |
High concentrations of CO2, short probe (GMP221) | 0 … 2 %, 0 … 3 %, 0 … 5 %, 0 … 10 %, 0 … 20 % |
Low concentrations of CO2, long probe (GMP222) | 0 … 2000 ppm, 0 … 3000 ppm, 0 … 5000 ppm, 0 … 7000 ppm, 0 … 10 000 ppm |
Accuracy (at 25 °C and 1013 hPa) 1 | |
GMP221 probe | ±(1.5 % of range + 2 % of reading) 2 |
GMP222 probe | ±(1.5 % of range + 2 % of reading) |
Temperature dependence, typical | −0.3 % of reading/°C |
Pressure dependence, typical | +0.15 % of reading/hPa |
Long-term stability | < ±5 %FS / 2 years |
Measurement environment | |
Operating temperature |
−20 … +60 °C (−4 … +140 °F) +15 … +40 °C (+59 … +104 °F) with GM70PUMP |
Relative humidity | 0 … 100 %RH, non-condensing |
Operating pressure | 700 … 1300 hPa |
Flow range (diffusion sampling) | 0 … 10 m/s |
Property | Description/Value |
---|---|
Probe cable length | 1.9 m (6.2 ft) |
IP rating | |
GMH70 handle |
IP65: Dust-tight. Protected from water jets from any direction. |
GM70PUMP |
IP54: Limited protection against dust. Protected from water splashes from any direction. |
Housing material | |
GMP221 and GMP222 probe | PC plastic |
GMH70 handle | ABS/PC blend |
GM70PUMP | Aluminum casing |
Weight | |
GMH70 with GMP221/GMP222 probe | 230 g (8 oz) |
GM70PUMP with GMP221/GMP222 probe | 700 g (25 oz) |
Storage | |
Storage temperature | −30 … +70 °C (−22 … +158 °F) |
Storage humidity | 0 … 100 %RH, non-condensing |
Property | Description/Value |
---|---|
EMC compatibility |
EN 61326-1:1997 + Am1:1998 + Am2:2001, Electrical equipment for measurement, control and laboratory use - EMC requirements; generic environment |
1 Including repeatability, non-linearity and calibration uncertainty.
2 Applies to concentrations above 2 % of full scale.