Dew Point Mirror LCM 473

The LCM 473 is a standard Dew Point Thermo-Hygrometer.

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The LCM 473 is a standard Dew Point Thermo-Hygrometer, with a probe that includes a 2-stage Peltier measurement head, it is best suited for insertion into test chambers or environments with moving air.

Particularly suitable for use in relative humidity generators where it functions as a calibration transfer standard for dew/frost point, relative humidity and temperature. The LCM 473 can be used to calibrate the RH generator (before and after field tests) or act as a reference during the calibration of the RH probes.

The LCM 473 includes a temperature sensor for accurate temperature measurement with a 3 x 40mm platinum resistance thermometer (PRT) that can be mounted directly to the measurement head. Using a cable, it is supplied as standard. This ensures that the temperature used to calculate the RH is correct by minimizing the effects of temperature gradients or self-heating of the IUT.

Technical Specs: 
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Additional information


Probe Type Dew Point Mirror Hygrometer
cable mounted
Touch screen HMI
Integrated temperature probe
User replaceable optics
Easy access to the mirror for cleaning.
Measurement ranges:
Frost/dew point -20…+70 °C
Relative humidity 5…99 %rh *
Temperature -50…+100 °C **
Dew/frost point ≤ ± 0.15 °C
Temperature ≤ ± 0.07°C
Dew/frost point ≤ ± 0.05 °C
Temperature ≤ ± 0.03°C

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