Technical specifications
GM70 specifications
Table 1. GMP220 probe measurement performance
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 CO
2
, short probe (GMP221)
0 … 2 %, 0 … 3 %, 0 … 5 %, 0 … 10 %, 0 … 20 %
Low concentrations of CO
2
, 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
Table 2. GMP220, GMH70, and GM70PUMP mechanical specifications
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
Table 3. GM70 compliance
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.
To Next Page
Loading...
