Vaisala HMT310 - Manual (Page 15)

Chapter 2 ___________________________________________________________ Product Overview
VAISALA ________________________________________________________________________ 15
CHAPTER 2
PRODUCT OVERVIEW
This chapter introduces the features, advantages, and the product
nomenclature.
Introduction to HMT310
The Vaisala HUMICAP ® Humidity and Temperature Transmitter
HMT310 is a small size humidity and temperature transmitter that
powers up with 10 ... 35 VDC (mode-dependent power supply
requirements). HMT310 uses Vaisala’s HUMICAP ® capacitive thin-film
polymer sensor for humidity and temperature measurements: for more
information on HMT310 sensors, see section Sensor Options on page 19.
HMT310 supports the following output alternatives:
- Analog outputs 0/4 ... 20 mA and 0 … 5/10 V (1 … 5 V available as
scaled output: see section Setting, Scaling and Testing Analog Outputs
on page 54).
- RS-232 serial line
- USB cable (optional accessory, order code 238607)
- MI70 hand-held indicator connection (optional connection cable
DRW216050SP)
The following optional functions are available:
- Several probes for various applications
- Calculated humidity quantities
- Different mounting kits, rain shield, sensor protection options and
probe cable lengths
- Warmed probe and sensor heating for high humidity conditions
(HMT317)
- Chemical purge for applications where there is a risk of interfering
chemicals in the measuring environment