Vaisala GMK220 - Manual (Page 6)

User's Guide __________________________________________________________________________
4 __________________________________________________________________________ U421EN-1.1
GMK220 Calibrator for the GMP220 Series
Probes
Figure 1 GMK220 Calibrator.
CAUTION When handling the GMK220 calibrator, please be careful not to
damage the board on the backside of the plate.
1. Probe to be checked (not
included)
2. Probe connector and the
cable
3. Rotameter
4. Flow adjustment screw
5. Chamber (including 0-ring
18.3x2.4 NBR 70 ShA,)
6. Gas inlet
7. Gas outlet
8. Serial cable (connects
calibrator and PC)
9. 24 V Supply voltage in (+)
10. Ground (-)