Project Description

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Length measuring wheel

OK-III 200

Length measuring wheel OK-III 200 is device for measuring of lengths of square or band materials (i.e. for example length of (un)winding materials like textile, paper, non-woven…).
In this wheel with 200 mm perimeter, there are two ball-bearings.  By default the axis of wheel is fastened to the steel swivelling arm 160 mm long. There is the electronic evaluating part in the measuring wheel which generates pulses while rotating. Due to these pulses it can be length and direction of rotating evaluated.
For evaluating of the pulses from measuring wheel we produce the universal electronic counter LUCA-T. See the details in the LUCA-T product description and operating manual.

price list (PDF)
product card (PDF)

Technical specification

Parameter OK-III 200 OK-III M 200
Measuring wheel surface diameter 63,6 ± 0,05 mm 63,6 ± 0,05 mm
Measuring wheel surface perimeter 200 mm 200 mm
Measuring wheel surface material white rubber white rubber
Security seal for metrological device no yes
Total width 35 mm 35 mm
Width of action part 30 mm 30 mm
Steel swivelling arm standard length 160 mm 160 mm
Sprung swivelling arm option, specificate in order option, specificate in order
Swivelling arm fastening diameter 28 mm 28 mm
Length of standard cable LIYCI 4 x 0,25 3000 mm (*) 3000 mm (*)
Total weight (including swivelling arm) 520 g 520 g
Weight of measuring wheel acting to the measured material 310 g 310 g
Max. perimeter force needed to wheel rotating 0,05 N 0,05 N
Recommended voltage supply 15 – 30 V ss 15 – 30 V ss
Maximum current 50 mA 50 mA
Output signal 2 x NPN – open collector 2 x NPN – open collector
Resolution unit edge of output pulses edge of output pulses
Input pulse ratio 1:1 ± 10 % 1:1 ± 10 %
Pulses phase difference 90° el. ± 20 % 90° el. ± 20 %
Standard resolution (measuring step) 10 mm (**) 10 mm (**)
Recommended maximum speed while measuring 2 m/s 2 m/s
Maximum speed while measuring 4,5 m/s 4,5 m/s

*  length of cable according to your need is possible (specify it in order, no specififation = standard 3 m)
** measuring step can be 1 mm, 10 mm or 100 mm (specify it in order, no specififation = standard 10 mm)

CAD data OK III – 200

Do you have a question? Contact us.

Ing. Václav Skalický | +420 608 380 665 | skalicky@skv-sro.cz