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Item description/product images

DescriptionMaterial:Housing polyamide 6.
Hollow shaft steel.
Screen plastic.
Grub screw steel.
Version:Impact-resistant housing.
Hollow shaft black oxidised.
Grub screw black.
Dial black, digits white.
Note:Position indicators allow direct reading of input measurement values at a glance.
In addition the value indicated per spindle rotation (corresponding spindle pitch) can be selected and the various indicator values are realised by a transmission gear.
The position indicators are distinguished by their very clear display and fine scale. They have a torque support that is positioned in a hole on the side.

** At the 1st asterisk give assembly position and at the 2nd asterisk give the count direction (see sample order “assembly position, count direction”).
Technical data:– Counter consisting of 5 10-position dials + fine scale
– Height of figures about 7 mm
– Hollow shaft Ø 20 H7 mm
– Temperature resistant to 80 °C
– Oil and solvent resistant
– Dust-proof
On request:– Counter cover made of mineral glass
– Stainless steel driveshaft
– Axial sealing (dust-proof)
– Waterproof
– Vibration protection
Accessory:– Reducing bushes 21940
– Insert plate 21942
– Mounting plates 21944
Special features:
RoHS
DownloadHere is all the information as a PDF datasheet:

Are you looking for CAD data? These can be found directly in the product table.
 Datasheet 21904 Position indicators 333 kB

Drawings

Position indicators

Overview of items (compressed)

Item selection/filter
Order No.
orange RAL 2004
Order No.
black
BDHLPitchIndicator
after one
rotation
Decimal
point in
position
Max.
rpm
Filter
21904-01002**121904-01002**238,52067,5481000,102500
21904-01001**121904-01001**238,52067,54810001,01500
21904-01501**121904-01501**238,52067,5481,50001,51500
21904-02001**121904-02001**238,52067,54820002,01500
21904-02501**121904-02501**238,52067,5482,50002,51500
21904-03001**121904-03001**238,52067,54830003,01500
21904-04001**121904-04001**238,52067,54840004,01450
21904-05001**121904-05001**238,52067,54850005,01300
21904-06001**121904-06001**238,52067,54860006,01250
21904-10001**121904-10001**238,52067,548100010,01150
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