HBM T40B, Mounting Instructions, Page: 24 / 164

Mechanical installation
22
A03452_15_X00_00 HBM: public
T40B
Important
Use a threadlocker (medium strength, e.g. LOCTITE) to glue the screws into
the counter thread to exclude prestressing loss due to screw slackening, in the
event of alternating loads.
Notice
Comply with the minimum thread reach as per table 5.1. The maximum thread
reach must be selected so that the counter flange is not touched. Otherwise
significant measurement errors may result from a torque shunt, or the trans­
ducer may be damaged.
Measuring
range
Fastening screws Prescribed
tightening
moment
Minimum
thread reach
N
V
m Z
1)
Property class N
V
m mm
50 M8 10.9 34
1.2 x d
2)
100 M8 10.9 34
200 M8 10.9 34
500 M10 10.9 67
1 k M10 10.9 67
2 k M12 10.9 115
3 k M12 12.9 135
5 k M14 12.9 220
10 k M16 12.9 340
1)
DIN EN ISO 4762; black/oiled/
m
tot
= 0.125
2)
d = screw diameter in mm
Tab. 5.1 Fastening screws