Performance

Measurement ranges
        GMT221





        GMT222
        for low concentrations



Accuracy (incl. repeatability, non-linearity and calibration uncertainty) at +25 °C (+77 °F) and 1013hPa
        GMT221

        GMT222

Sensor

0 ... 2 %
0 ... 3 %
0 ... 5 %
0 ... 10 %
0 ... 20 %

0 ... 2000 ppm
0 ... 3000 ppm
0 ... 5000 ppm
0 ... 7000 ppm
0 ... 10 000 ppm




± (1.5% of range + 2 % of reading)
(applies for concentrations above 2% of full scale)
± (1.5% of range + 2 % of reading)

Vaisala CARBOCAP^®

Operating environment

Temperature
        display
Relative humidity

-20 ... +60 °C (-4 ... +140 °F)
0 ... +50 °C (+32 ... +122 °F)
0 ... 100 %RH non-condensing

Inputs and outputs

Outputs
Operating voltage
Power consumption

0 ... 20 or 4 ... 20 mA and 0 ... 10V
nominal 24 VAC/VDC
<4 W

Mechanics

Probe cable length
Weight
        GMT221
        GMT222
Material
        transmitter body
        probe
Housing classification

2 m and 10 m (optional)

max. 280 g
max. 300 g

ABS plastic
PC plastic
IP65 (NEMA 4)

Options and accessories

GMP221, GMP222

25245GM
GM45156
25665GMSP
210848GMSP
GMK220
19040GM
26150GM
GM70

spareprobe (use the order form to define measurement range etc.)
clips (2 pcs) for attaching the probe
mounting flange for the probe
2.0 m probe cable
10.0 m probe cable
calibration kit for interchangeable probes
serial COM adapter for maintenance purposes
chamber for pump aspirated sampling systems
hand-held CO₂meter for field verification and calibration

Calibration services

Calibrated quantities
Traceability

carbon dioxide, temperature
NIST or NMI (depends on measurement range)

Calibration services are available at Vaisala service centers for a fixed price.
-Factory calibrations (ISO9001)

Calibration price includes:
-calibration and certificate before adjustment
-adjustment to meet specifications
-calibration and certificate after adjustment
-replacement of wearing parts

Spare parts

Common spare and wearing parts are available. For availability contact sales.

Repair

Repair services are available at Vaisala service centers for a fixed price.

Repair price includes:
-repair work
-required parts
-calibration certificate
-service report

Technical support

Technical support for your installed units, contact helpdesk@vaisala.com.