Vaisala MD30 User manual

Mounting MD30 on towing hook
To use MD30FRONTMOUNT, you need a towing hook installed on your vehicle as instructed in your car
manufacturer's manual.
•MD30FRONTMOUNT mounting adapter
•19-mm wrench
•2.5-mm and 3-mm Allen keys
•Torx T15
Table 1 MD30FRONTMOUNT contents
Part Pcs Part Pcs
Mounting bracket 2 Rubber sheet 2
Torx socket head screw M4×12 8 Metal counterplate 1
Mounting block 1 Hex self-lock nut M12 1
Countersunk hex socket head screw M4×16 10 Fender washer A5,3 1
Hex head bolt screw M12×50 1 Hex socket head screw M5×16 1
Shaft 1 Hex socket set screw M6×12 2
Mount MD30 on the towing hook with MD30FRONTMOUNT. The measurement angle is automatically
correct when the mounting bracket is positioned vertically.
199 [7.83]
30°
Road surface
mm
[in]
90°
Figure 1 Correct measurement angle
When using towing hook mounting, you can still use MD30EXTSET to mount the air temperature and
humidity sensor HMP113 and surface temperature sensor MT10 elsewhere on the vehicle for optimum
performance. In that case, install them last. See Mounting Temperature Sensors Separately Installation
Guide.
M212519EN-A
Installation
Guide
Mounting MD30 on Towing Hook
Vaisala Mobile Detector MD30
PUBLISHED BY
Vaisala Oyj
Vanha Nurmijärventie 21
FI-01670 Vantaa, Finland
© Vaisala 2020
All rights reserved. Any logos and/or product names are trademarks of Vaisala or its individual partners.
Any reproduction, transfer, distribution or storage of information contained in this document is strictly
prohibited. All specifications — technical included — are subject to change without notice.

1. Remove the pre-installed mounting bracket (MD30BRACKET).
2. Loosen the 8 screws (M4×10) that hold the temperature sensors HMP113 and MT10 in place and
remove the sensors.
Their cables can remain connected during the assembly.
3. Assemble as shown using the provided brackets and M4×12 screws. Check carefully which way to
mount the brackets.
1
2
1Mounting bracket (2 pcs)
2Torx socket head screw M4×12 (8 pcs)
Installation Guide M212519EN-A
2

4. Attach the mounting block between the brackets.
Make sure that the 2 holes in the mounting block remain accessible.
12
1Mounting block
2Countersunk hex socket head screw M4×16
(10 pcs)
5. Attach the shaft to the vehicle towing hook.
Use the provided rubber sheets to make the assembly tight. Use scissors or a knife to cut the
rubber sheets to match the shape of your towing hook.
The towing hook does not need to be positioned horizontally.
1
3
4
5
6
2
1Hex head bolt screw M12×50
2Shaft
3Rubber sheet (2 pcs)
4Vehicle towing hook (not supplied by Vaisala)
5Metal counterplate
6Hex self-lock nut M12
Installation Guide M212519EN-A
3

6. Attach MD30 on the shaft. Secure the shaft.
2
3
1
1Fender washer A5,3
2Hex socket head screw M5×16
3Hex socket set screw M6×12 (2 pcs)
7. Route the MD30 cable to the Bluetooth module enclosure or other data collection system.
For cabling instructions, see Vaisala Mobile Detector MD30 Setup Guide.
If there are loose cables, attach them with cable ties to the vehicle structure.
8. Continue the system setup according to Vaisala Mobile Detector MD30 Setup Guide.
Installation Guide M212519EN-A
4