Heated humidity sensor from E+E Elektronik is designed for radiosondes
The HMC03M humidity sensor from E+E Elektronik is specifically for use in radiosondes and weather balloons. The sensor has a short response time even at low temperature, says the company. E+E Elektronik also claims that an integrated heating resistor ensures an excellent measuring performance under condensation and icing conditions. This makes the sensor suitable for weather observations in the upper atmosphere.
The HMC03M is based on a silicon substrate and has a capacitive relative humidity (RH) sensor and a heating resistor. When heated, the sensor quickly recovers after condensation or icing, which leads to a strong measuring performance even under extreme weather conditions, says E+E Elektronik. Another characteristic of the HMC03M is the short response time at very low temperature. As a result, the HMC03M can be used in radiosondes to measure humidity in the upper atmosphere.
The HMC03M measures 5.85 x 2.85mm. The small surface mount sensor is appropriate for automatic assembling with subsequent reflow soldering. It is available on tape and reel of 500, 1000 or 2500 pcs.
E+E Elektronik also supplies humidity probes and transmitters for meteorology. E+E Elektronik’s range for meteorology also includes probes and transmitters for humidity and temperature measurement. The sensing elements of probes and transmitters are protected from pollution and corrosion by the proprietary E+E Elektronik coating. This leads to improved long-term stability and a longer lifetime, two essential criteria for long-term use in weather stations.
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