Vaisala HMD60 Serie Guía Rápida página 5

Introduction to HMD60 Series
The duct mounted HMD60 HUMICAPâ Humidity and Temperature Transmitters are designed
for monitoring humidity and temperature in demanding HVAC and light industrial applications.
HMD60 series transmitters provide stable, reliable, and highly accurate (up to ±1.5 %RH and
±0.1 °C (0.18 °F)) measurements, and are resistant to chemicals and dust.
HMD60 series transmitter options include 2 analog output models: HMD62 for measuring both
humidity and temperature, and TMD62 for temperature measurements. Both HMD62 and
TMD62 use 4 ... 20 mA loop powered current output. The HMD65 transmitter model includes
both analog and digital output options.
Thanks to easy access to electronics also when the transmitter is installed to a duct,
configuration and adjustment can be carried out quickly and conveniently. Available
configuration and adjustment interface options range from physical trimmers and DIP switches
on the transmitter's circuit board to Vaisala Insight PC software for Windowsâ.
HMD62 and TMD62 Basic Features and Options
• Measurement options:
• HMD62 for humidity and temperature measurement
• TMD62 for temperature measurement
• Humidity parameters available as output options in HMD62: RH, T
• Analog output: 4 ... 20 mA, loop powered
• HMD62: 2 analog output channels for humidity and temperature measurements
• TMD62: 1 analog output channel for temperature measurement
• Power supply input: 10 ... 35 VDC / 20 ... 35 VDC
• Configuration and adjustment options:
• RH and T measurement field adjustment with trimmers
• Humidity output parameter selection with DIP switches (HMD62)
• Field adjustment with MI70 hand-held indicator
• Configuration and adjustment with Vaisala Insight PC software
Output Parameter Scaling
• Default temperature analog output scale: -20 ... +80 °C (-4 ... +176 °F)
• Default scaling for humidity parameters (HMD62): see
• To change the default scaling of an analog output parameter, use Vaisala Insight PC
software. See the instructions in HMD60 User Guide.
More Information
For more detailed instructions for installing, configuring, and maintaining the HMD60 series
transmitters, see HMD62 and TMD62 User Guide in English M212016EN and HMD65 User Guide
in English M212243EN available at www.vaisala.com/HMD60.
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