1 Product Overview
Vaisala Moisture, Hydrogen and Temperature Transmitter MHT410 for Transformer Oil is
designed for online monitoring of insulating oil in power transformers. The transmitter
provides an accurate real-time measurement result of moisture, hydrogen and temperature
measured in oil, enabling reliable conclusions on the transformer's condition without delay.
The transmitter provides digital and analog outputs of all the measured parameters.
1.1 Product Parts and Package Contents
See the product illustration on the front foldout page.
No.
Item
1
=
Electronics housing.
The front cover is additionally connected to the housing with a grounding wire.
2
=
Weather shield
3
=
Bleed screw
4
=
Probe body
5
=
Small tightening nut, used to adjust and fix the depth of the transmitter in the valve.
You can move the tightening nut and the mounting nut along the probe body.
6
=
Mounting nut, used to fasten the transmitter in the ball valve.
You can move the tightening nut and the mounting nut along the probe body.
7
=
Hydrogen sensor
8
=
Moisture and temperature sensors under the filter
9
=
Product label
10
=
Lead-throughs (2 pcs) with a minimum of one cable gland (size M20x1.5) or conduit
fitting.
Unused lead-throughs are plugged.
Installation Kit:
11
=
PTFE tape roll
12
=
Allen keys (3 mm and 5 mm)
13
=
Extra bleed screw and sealing ring
14
=
Extra terminal blocks (4 x 4 screw terminals)
Chapter – Product Overview
5