Vaisala GMP252 User Manual

Syntax Description
Example (set temperature compensation to setpoint mode, and change temperature setpoint value to 5.00 °C
in RAM):
pass 1300
tcmode on
T COMP MODE : ON
env xtemp 5.00
In eeprom:
Temperature (C) : 8.00
Pressure (hPa) : 1013.00
Oxygen (%O2) : 21.00
Humidity (%RH) : 30.000
In use:
Temperature (C) : 5.00
Pressure (hPa) : 1013.00
Oxygen (%O2) : 21.00
Humidity (%RH) : 30.00
Table 38 O2cmode Command
Syntax Description
o2cmode<cr>
Check current oxygen compensation mode.
Possible modes:
• on = Compensation enabled using setpoint value.
• off = Compensation disabled, default (neutral)
value used: see Environmental Compensation
(page 15)
o2cmode [on | off]<cr>
Change oxygen compensation mode (on or off).
Example (check oxygen compensation mode; oxygen compensation is disabled, a neutral value is used):
pass 1300
o2cmode
O2 COMP MODE : OFF
Example (enable oxygen compensation):
pass 1300
o2cmode on
O2 COMP MODE : ON
Chapter 4 – Vaisala Industrial Protocol
55

Vaisala GMP252 Specifications

General

Resolution (Temperature)	0.01 °C
Measurement Range (Humidity)	0 to 100 %RH
Protection Class	IP65
Measurement Range (Temperature)	-40 to +60 °C
Accuracy (Temperature)	±0.2 °C
Accuracy (Humidity)	±0.8 %RH (0 ... 90 %RH)
Output	4 to 20 mA
Sensor	humidity sensor and thermistor
Response Time	15 s
Communication	RS485