Compact Instruments Advent A2103 Mode D'emploi page 5

Ex works setting - rpm mode, non-auto-ranging.
1. Programming - measurement mode selection
All measurement modes are chosen by this method and once confirmed, selected mode remains in
permanent memory until re-programmed by the user.
1.1. To change mode hold programme button on and press up measure button and then release both
buttons, the display will now illuminate all icons, and the current range will flash.
1.2. 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. for non-speed modes the unit is now programmed and read for use.
1.3. To select mx, mn, av. modes continue to scan 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. Set parameters will be retained until reprogrammed.
2. Optical revolutions speed measurement - rpm or rps.
2.1. Ensure batteries are correctly fitted.
2.2. Attach small reflective target to machine shaft (Typically 6mm x 25mm, less for laser version)
2.3. Start machine and point the tachometer towards the target.
2.4. Press and hold either of the on/off buttons to suit application and hold continuously.
2.5. Aim light beam onto target, ensure "on-target" sign is glowing or flashing steadily
2.6. Read off rpm, releasing button will hold last reading.
2.7. Last rpm reading will be held in display for 1 minute.
2.8. Press the On button to zero reading or take another measurement.
3. Contact revolution speed measurement - rpm or rps.
3.1. Fit contact adaptor into the tachometer and ensure a good click fit connection.
3.2. Start machine and make clean contact with the recess in shaft end (wheel can be removed).
3.3. 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.
3.4. Press and hold either up or down measure button as required & read speed
3.5. Releasing the On switch will hold the reading automatically for 1 minute, automatic switch off.
4. Linear contact speeds measurement - metres, yds, feet etc.
4.1. Fit contact adaptor as above.
4.2. 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.
4.3. Releasing the on button will then hold the last reading in the display for 1 min.
4.4. The instrument retains selected measurement mode for further linear measurements after switch
off until programmed to a different mode.
5. Auto-range selection - speed modes only
5.1. 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.
6. Average speed monitoring mode - 'av' icon.
6.1. Average speed mode, this mode provides a rolling average of the last 8 measured values.
6.2 Press and hold the On / Off button at the forward arrow position and hold continuously
6.3 Aim light beam onto target, ensure "on-target" sign is on at bottom of display screen.
6.4 Take rpm reading.
6.5 Note that the display will illuminate only while measurement is taking place.
6.6 Release On / Off button and display will clear - no memory retention is available.
7. Operation of Maximum & Minimum modes Speed Capture functions – mx, mn
7.1. Having selected the required mode, i.e. Maximum or Minimum, (mx).
7.2. You are now ready to Capture a reading "On Demand" but continuing to operate normally.
7.3. When a capture test is ready to commence, while the Measure button is held On, press
Programme button once, at this point the instrument will switch into high speed Time-base
mode, (0.1 Seconds) and will Capture the highest or lowest reading after pressing the Programme
button. Releasing the On button will hold the reading and cancel the Capture mode until another
Capture measurement is required, when 7.3. should be repeated.
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