Compact Instruments A2109 Instrucciones De Uso página 4

Default setting - rpm mode, non autoranging
1.Programming - measurement mode selection
a) All measurement modes are chosen by this method and once confirmed, selected mode remains in
permanent memory until re-programmed by the user.
b) To change mode hold programme button on and press up measure button and then release both but-
tons, the display will now illuminate all icons, and the current range will flash.
c) To select new measurement mode press either up or down button to scan through the modes, when the
required mode icons flash release measure button & press programme button once to confirm settings.
d) For non-speed modes the unit is now programmed and ready for use.
e) To select mx, mn, av. modes continue to scroll through each one, if the mode is not required, stop scan
when all three icons illuminate continuously, then press programme button once.
The instrument is now ready to use.
Note. Selected parameters will be retained until reprogrammed.
2. Optical revolutions speed measurement - rpm or rps.
a) Attach small reflective target to machine shaft (typically 6mm x 25mm)
b) Start machine and point the tachometer towards the target.
c) Press and hold either of the ON up/down buttons to suit application and hold continuously.
d) Aim light beam onto target, ensure "on-target" sign is lit or flashing steadily
e) Read off rpm, releasing button will hold last reading.
f) Last rpm reading will be held in display for 1 minute.
g) Press the On button to zero reading or take another measurement.
h) Releasing the ON switch will hold the reading automatically for 1 minute, automatic switch off.
3.Contact revolution speed measurement - rpm or rps.
Warning for A2109:
Ensure the contact adapter rotates freely before use.
Continuous contact time must not exceed 10 seconds.
a) Fit contact adapter into the tachometer and ensure a good click fit connection.
b) Start machine and make clean contact with the recess in shaft end (wheel can be removed).
c) Contact the shaft end via the rubber cone, ensure a steady firm pressure is applied and that the instru-
ment is in line accurately with the machine shaft.
d) Press and hold either up or down measure button as required & read speed.
e) Releasing the ON switch will hold the reading automatically for 1 minute, automatic switch off.
4. Linear contact speeds measurement - metres, yds, feet etc.
Warning for A2109:
Ensure the contact adapter rotates freely before use.
Continuous contact time must not exceed 10 seconds.
a) Fit contact adaptor as above.
b) 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.
c) Releasing the on button will then hold the last reading in the display for 1 min.
d) The instrument retains selected measurement mode for further linear measurements after switch off
until programmed to a different mode.
14071 Issue 2.4
Operation of all models
Page 4