| Performance |
GMT221 Measurement ranges
|
0 ... 2 %
|
| |
0 ... 3 % |
| |
0 ... 5 % |
| |
0 ... 10 % |
| |
0 ... 20 % |
| GMT222 Measurement ranges |
0 ... 2000 ppm |
for low concentrations
|
0 ... 3000 ppm |
| |
0 ... 5000 ppm |
| |
0 ... 7000 ppm |
| |
0 ... 10 000 ppm |
| Accuracy |
(incl. repeatability, non-linearity and calibration uncertainty) at +25 °C (+77 °F) and 1013hPa |
GMT221
|
± 1.5% of range + 2 % of reading (applies for concentrations above 2% of full scale) |
GMT222
|
± 1.5% of range + 2 % of reading |
| Sensor |
Vaisala CARBOCAP® |
| Operating environment |
Temperature
|
-20 ... +60 °C (-4 ... +140 °F)
|
display
|
0 ... +50 °C (+32 ... +122 °F) |
| Relative humidity |
0 ... 100 %RH non-condensing |
| Inputs and outputs |
Outputs
|
0 ... 20 or 4 ... 20 mA and 0 ... 10V
|
| Operating voltage |
nominal 24 VAC/VDC |
| Power consumption |
<4 W |
| Mechanical |
Probe cable length
|
2 m and 10 m (optional)
|
| Weight - GMT221 |
max. 280 g |
| Weight - GMT222 |
max. 300 g |
| Material - transmitter body |
ABS plastic |
| Material - probe |
PC plastic |
| Housing classification |
IP65 (NEMA 4) |
| Options and accessories |
GMP221, GMP222
|
spareprobe (use the order form to define measurement range etc.)
|
| 25245GM |
clips (2 pcs) for attaching the probe |
| GM45156 |
mounting flange for the probe |
| 25665GMSP |
2.0 m probe cable |
| 210848GMSP |
10.0 m probe cable |
| GMK220 |
calibration kit for interchangeable probes |
| 19040GM |
serial COM adapter for maintenance purposes |
| 26150GM |
chamber for pump aspirated sampling systems |
| GM70 |
hand-held CO2meter for field verification and calibration |
