Vaisala HMT100 - Manual (Page 11)

Chapter 2 __________________________________________________________ Product Overview
VAISALA _______________________________________________________________________ 11
CHAPTER 2
PRODUCT OVERVIEW
Thank you for choosing the Vaisala HUMICAP® Humidity and
Temperature Transmitter Series HMT100. This chapter introduces you to
its features.
The Vaisala range of relative humidity measurement instruments covers
all the applications from ventilation to process control in demanding
explosive areas. For more information about other Vaisala relative
humidity instruments, please contact your Vaisala representative or visit
www.vaisala.com .
Introduction to the HMT100 Humidity and
Temperature Transmitter
The Vaisala HUMICAP
®
Humidity and Temperature Transmitter Series
HMT100 measures relative humidity, temperature and dewpoint. It is
powered with a 10 ... 35 VDC or 24 VAC input voltage and it outputs an
analog signal of either 4 ... 20 mA, 0 ... 1 V, 0 ... 5 V or 0 ... 10 V.
The HMT100 transmitter can be configured to output either one or two
quantities, in the following combinations:
- simple RH transmitter
- simple T
d
transmitter
- RH and T transmitter
- T
d
and T transmitter
The output quantities and the analog signal type (current or voltage
output) are set during order time, and cannot be changed later by the user.
The following accessories are optionally available:
- Wall installation plate (aluminium)
- Duct installation kit
- Rain shield with installation kit
- Rain/solar radiation shield installation kit (for pole installation)