What are the panel dimensions for the TruTach II?
The dimensions are 2-1/4" W x 1-7/16 H x 3-3/4" D. This product in not meant to be installed in a panel.
Does the Trutach II Optical Digital Tachometer come with a protective casing or box?
The Trutach II Optical Digital Tachometer is packaged inside of a box.
Do you have to set the Trutach II Optical Digital Tachometer for 2, 3 or4 blades every time you turn it on in a two blade C-172?
No, the Trutach II will store the desired number of blades and start with this input every time.
Does the Trutach II digital instrument remain on for the duration of flight, or is one constantly cycling it prior to altering engine parameters?
The Trutach II is able to monitor changes in RPM and display them in real time. There is no need to turn the instrument off during flight.
Does the TRUTACH II OPTICAL DIGITAL TACHOMETER Part # 10-01021 come calibrated or have the capibilities of being calibrated?
Per Trutach: The only calibration available is to switch from 2-5 prop blades.
Will it work if I put it on the glare shield inside the aircraft?
Yes, the Trutach II is intended to be put on the glare shield for prop reading.
Is this Trutach II Optical Digital indicator an FAA/EASA approved item and ifit cannot be installed in the panel, can it be used as primary engine instrument?
This unit is not FAA / EASA approved since it is not intended to be installed in a panel. You will still need to keep an approved panel mount tachometer.