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P.O. Box 26, FI-00421 Helsinki, FINLAND Tel: +358 9 894 91
Fax: +358 9 8949 2485
Email: industrialsales@vaisala.com www.vaisala.com/HMI41
HMI41 Indicator and
HMP46 High Température Probe
The Vaisala HUMICAP®Humidity Indicator HMI41 equipped with the Vaisala HUMICAP® Humidity and
Temperature probe HMP46 is an ideal combination for spot checking and field calibration.
Features/Benefits
• RH measurement range 0 ... 100 %RH
• Temperature measurement range -40 ... +100 °C (-40 ... +212 °F), for short periods up to +180 °C (+356 °F)
• Calculates dewpoint, wet bulb temperature, absolute humidity and
mixing ratio
• Versatile and easy-to-use
• Incorporates Vaisala HUMICAP®
Sensor supplier
• Excellent stability
• Data collection with serial line
download capability
• NIST traceable (certificate included)
• Optional carrying case and
calibration cable
• Available as a complete calibration
kit HMK41
The Vaisala HUMICAP® Humidity Indicator HMI41 fitted with the Vaisala HUMICAP® Humidity and Temperature Probe HMP46 can be used for spot checking humidity and temperature in ducts or chambers. Typical applications are plant maintenance, installation and inspection of air conditioning systems, production and storage areas and production processes. In addition, it is suitable for field checking Vaisala's
rh meters.
Withstands high temperatures
Te HMP46 operates in full humidity range of 0 ... 100 %RH. Te temperature range is from -40 to +100 °C (-40 ... +212 °F). For short periods of time, the probe can withstand temperatures up to +180 °C (+356 °F). Te HMP46 probe is solid and rugged. Its stainless steel probe is made to withstand rough handling in mechanically demanding applications. The probe's long shaft can also reach otherwise unreachable places.
Versatile and easy to use
In addition to displaying the humidity and temperature readings, the HMI41 indicator calculates dewpoint and wet bulb temperature, absolute humidity and mixing ratio.
Te indicator has an easy-to-read two line liquid crystal display. Te display units (metric or non-metric) are easily selected.
Tese features, plus fast response time, high measurement accuracy and excellent stability, as well as the wide temperature range of the probe, make the HMI41/HMP46 combination an ideal choice for the most demanding applications.
High performance sensor
Te HMP46 probe incorporates Vaisala HUMICAP® Sensor. Tis sensor has high accuracy, excellent long-term stability and negligible hysteresis. In addition, the sensor is insensitive to dust, particulate dirt and most chemicals.
40
Vaisala Instruments Catalog 2009
Ref. B210768EN rev. A