Cost-efficient humidity and temperature measurement.

The HTM502 sensing module from E+E Elektronik offers a cost-effective solution for humidity and temperature measurement. It is characterised by easy implementation, high accuracy and reliability. Integration and interchangeability via the I2C interface allow for rapid project implementation. The integrated sensor protection and the mechanically robust enclosure support a wide range of applications. The module is particularly suitable for price-sensitive applications in the HVAC sector but also for industrial applications.

It measures humidity and temperature with an accuracy of ±2.0% RH and ±0.3 °C (0.54 °F) and can be used in applications between 5 °C and 60 °C (41...140 °F). The robust enclosure gives the module great mechanical stability and ensures ease of handling by preventing accidental contact with the sensing element. The integrated E+E sensor coating protects the sensing element against dirt and corrosion, improving measurement performance and long-term stability in harsh and demanding environments.

The I2C interface allows for easy integration of the humidity and temperature module, meaning that projects can be quickly implemented. The HTM502 offers two measurement operating modes (single-shot or periodic measurement mode) and supports communication speeds up to 1000 kHz. Thanks to the low supply voltage of 2.35 – 3.60 V and the low current requirement, the module is also suitable for applications with low energy consumption.

The design lends itself to easy installation without additional implementation overhead or soldering work. Thanks to the 4-pin connector plug, the sensing module can quickly be replaced in the field.

• E+E Elektronic products are marketed in Ireland through Instrument Technology.

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