For measuring and checking the torque load on sockets exerted by devices with plug pins - with a sliding weight of 1 N for torque up to 0.03 Nm.
According to:
IEC 60065: 2011-02 § 15.4.1, Fig. 11
IEC 60335-1: 2013-12 § 22.3
IEC 60884-1: 2013-02 § 14.23.2
IEC 60950-1: 2013-05 § 4.3.6
Devices with plug pins such as chargers, thermostats, program timers and brightness control devices must not place excessive demands on stationary sockets. Inappropriate stress is present when the test object exerts a torque on the socket that is greater than 0.25 Nm. To measure the torque, the test specimen is inserted into a test socket as in proper use.
The test socket must be rotatable about a horizontal axis through the center line of the contact sockets 8 mm behind the engagement surface of the test socket.
With the PTL torque balance, the rotatable test socket is rigidly connected to a balance beam. The balance beam is equipped with an adjustable stop, clampable sliding weight pieces of force 1 N as well as with a counterweight piece that can be moved by means of an adjusting screw.
The position of the sliding weight piece can be read off a cm scale. If the weight 1 N is positioned at 25 cm = 0.25 m, the torque is 1 N x 0.25 m = 0.25 Nm.
ISO-/Factory calibration
MP-F37.16Z
according to ISO 9001
Characteristics
- IEC 60065
- IEC 60335
- IEC 60884
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