Vaisala MMT310 - Manual (Page 13)

Chapter 2 ___________________________________________________________ Product Overview
VAISALA ________________________________________________________________________ 13
CHAPTER 2
PRODUCT OVERVIEW
This chapter introduces the features, advantages, and the product
nomenclature.
Introduction to MMT310 Series
The Vaisala HUMICAP ® Moisture and Temperature Transmitter Series
for Oil MMT310 is a small-size oil moisture and temperature transmitter
that powers up with 10 ... 35 VDC (mode-dependent power supply
requirements).
The MMT310 probe options are:
- MMT317 – small pressure-tight probe
- MMT318 – probe for pressurized pipelines
MMT310 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 the Analog Outputs on page 44).
- RS-232 serial line
- USB cable (optional accessory, order code 238607)
- MI70 handheld indicator connection (optional connection cable
DRW216050)
For a list of MMT310 optional accessories and spare parts, see section
Spare Parts and Accessories on page 69.
The transmitter measures and calculates the following quantities:
Table 3 MMT310 Measurement and Calculation Quantities
Quantity Abbreviation Metric Unit Non Metric Unit
Water activity aw aw aw
Temperature T ° C ° F
Parts per million
(for transformer oil only) ppm ppm ppm