- Next-generation Vaisala
HUMICAP® Sensor for excellent
accuracy and stability
- Full 0 ... 100 %RH
range up to +180 °C
(depending on model)
- Small size, easy to integrate
- Insensitive to dust and most
- NIST traceable
The HMT310 incorporates the latestgeneration
Vaisala HUMICAP® Sensor.
The Vaisala HUMICAP® Sensor is a
capacitive thin-fi lm polymer sensor.
It features high accuracy, excellent
long-term stability and negligible
hysteresis. It is insensitive to dust,
particulate dirt and most chemicals.
Several outputs, one
The HMT310 is powered up with
12 ... 35 VDC. It has two analog
outputs and an RS-232 serial output.
The output signal and the supply
power travel in the same cable, the
only cable connected to the unit.
Chemical purge helps to maintain
measurement accuracy between
calibraton intervals and it involves
heating the sensor to remove harmful
chemicals. The function can be
initiated manually or programmed to
occur at set intervals.
The following optional functions are
available: several probes for various
applications, calculated humidity
quantities, different mounting kits,
sensor protection options and probe
cable lengths, warmed probe and
sensor heating for high humidity
conditions (HMT317), and chemical
purge for applications risking an
interference with chemicals in the