Contact Revolution Speed Measurement - Rpm Or Rps; Linear Contact Speeds Measurement - Metres, Yds, Feet Etc; Autorange Selection - Speed Modes Only; Average Speed Monitoring Mode - Av - SKF TKRT 20 Mode D'emploi

3.3 Contact revolution speed measurement - rpm or rps

See section 3.1
• Fit contact adapter into the tachometer and ensure a good click
fit connection.
• Start machine and make clean contact with the recess in shaft end (wheel
can be removed).
• Contact the shaft end via the rubber cone, ensure a steady firm pressure is
applied and that the instrument is in line accurately with the machine shaft.
• Press and hold either up or down measure button as required & read speed.
• Releasing the ON switch will hold the reading automatically for
1 minute, automatic switch off.

3.4 Linear contact speeds measurement - metres, yds, feet etc.

See section 3.1
• Fit contact adaptor as above.
• Keeping the on button pressed, now place the contact wheel on the
moving surface and read the linear rate, ensure wheel is vertical to the
moving surface.
• Releasing the on button will then hold the last reading in the display
for 1 min.
• The instrument retains selected measurement mode for further linear
measurements after switch off until programmed to a different mode.

3.5 Autorange selection - speed modes only

• While taking a measurement using either up or down measure button,
the user can toggle between auto and non-auto mode by pressing the
programme button, in the auto mode, the A icon will illuminate.

3.6 Average speed monitoring mode - av.

See section 3.1
• Average speed mode - this mode provides a rolling average of the last
8 measured values.
• Press and hold the On/off button at the forward arrow position and hold
continuously
• Aim light beam onto target, ensure "on-target" sign is on at bottom of
display screen.
• Take rpm reading.
SKF TKRT 20 9