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PSHV type Track Vernier Calliper
 
 

value of graduationvernier reading valuevernier reading value, mm0,1
overall dimensionsoverall dimensions, mm148x24x440
range of measurement mm value of graduation mm
rod main scale0-290rod auxiliary0,5
rod auxiliary0-10rod main scale,
small frame scale,
lever frame scale
1,0
small frame scale0-16 
lever frame scale-5...+5 
The track calliper is intended for measuring in the open air the components of the upper structure of railway transport track with the rails types:
R50 (GOST 7174-75),
P65 (GOST 8165-75),
P75 (GOST 16210-77),
OP50 (GOST 17508-85) and
OP65 (GOST 17507-85).
Parameters to be measured:
- vertical wear-out of rail head;
- lateral wear-out of rail head;
- vertical wear-out of core;
- vertical wear-out of rail wing;
- spacing of rail point;
- lowering of rail point against stock rail;
- width of flange between stock rail and check rail, including high check rail;
- width of flange between rail wing and core;
- clearance in rail joints, switch;
- depth of tooth hole and space.

Designation of vernier calliper:
PSHV Track Vernier Calliper TU 2-034-655-83.


JOINT STOCK COMPANY "KRASNIY INSTRUMENTALSHCHIK" Designed by Andrey G. Klyukin 2003