Humidity measurement in processes or in the environment is a determining parameter that has to do with the quality and efficiency of production.
Vaisala has a complete humidity measurement products for different applications whether it is in environment, different pressurized gases and oil.
Measurement variables:
· Relative humidity
· Dew point
· Carbon dioxide (CO2)
· Moisture present in oil
· Gas dissolved in oil
· Portable
Relative humidity
HMP3 temperature and humidity probe for general purpose humidity and temperature applications with interchangeable sensor.
HMP3 Series
FEATURES
Relative humidity accuracy up to 0.8% RH and temperature accuracy down to 0.1° C
Temperature measurement range -40...+120° C (-40... +248° F)
Compatible with Indigo series of transmitters
PPS plastic mesh filter with stainless steel mesh delivered as standard
Modbus RTU over RS-485 for flexible connectivity
Includes calibration certificate with traceability
HMT330 series temperature and humidity meter for demanding applications.
HMT330 Series
FEATURES
Range 0… 100% RH
Temperature up to +180° C, depending on the model
Pressure up to 100 bar, depending on the model
Excellent performance in extreme conditions; good chemical compatibility
Corrosion resistant IP65 / IP66 housing
Traceable calibration for measurements and analog outputs (certificates included)
RS232 / 485/422 LAN
Modbus protocol compatibility (RTU / TCP)
Optional graphic display and keyboard for convenient operation
Dew point
Dew point meter DMT132 for cooling dryers
DMT 132 Series
FEATURES
Range -30 to 50° C
Operational temperature range -20 to 60° C
Relative humidity 0 to 100% RH
Analog output from 4 to 20 mA at 2 threads
Precision of ±0.05 % on complete scale
Protection IP65 (NEMA 4)
Measured gas: non corrosive
DPT146 transmitter for Dew point and pressure for compressed air measurement
DPT 146 Series
FEATURES
MEASURING PARAMETERS
Dew Point from -70 to 30° C
Absolute pressure from 1 to 12 bar
Temperature -40 to 80° C
ACCURACIES
Dew Point: ± 2° C
Pressure: ± 0.4 % complete scale
Temperature: ± 0.5° C
IP66 Protection
Digital output RS485, non-isolated, Vaisala protocol, Modbus RTU
Outputs 2 channels (0 to 20 and 4 to 20 mA) and voltage (0 to 5 V, 0 to10 V)
Measured Gas: Air and non-corrosive gases
Carbon dioxide (CO2)
CO2 Probe GMP251 for % level measurements in biology incubators, cold storage and other demanding applications.
GMP251 Series
FEATURES
Measurement range from 0 to 20% CO2
Smart, probe with analog output (V, mA) and digital (RS485)
CARBOCAP® Tech providing long term stability
Broad operational temperature range from -40 to +60° C
Case with IP65 protection
Temperature and pressure compensation
Gas, O2 and humidity compensation
Sensor’s head gets heated to prevent condensation
Humidity present in oil
Humidity and temperature oil transmitter MMT162 for transformer applications and OEM systems.
Serie MMT162
FEATURES
Measuring range from 0 to 1 aw
Accuracy in water:
From 0 to 0.9 aw: ± 0.02 aw
From 0,9 to 1,0 aw: ± 0.03 aw
Temperature accuracy: ± 0.2 °C
Digital outputs: RS-485, non-isolated, Vaisala protocol, Modbus RTU protocol
Analog current output from 0 to 20 mA, 4 to 20 mA
Analog voltage output from 0 to 5 V, 0 to 10 V
Humidity probe present in oil MMP8 for continuous measurement in line
MMP8 Series
FEATURES
Continuous in line humidity and temperature measurement present in oil
Temperature measurement range -70 +180 °C (-94 … +356 °F)
Measuring precision up to ±0,02 aw/ 2 % RS
Temperature measurement precision up to ±0,1 °C (±0,18 °F)
HUMICAP® Vaisala sensor, 15 years in oil applications
Modbus RTU on RS-485 for flexible connectivity
Includes calibration certification with traceability: 5 points for humidity, 1 point for temperature
Compatible with Indigo transmitter series
The sensor has an excellent sensitivity in the dry end of the range