Amprobe TACH-10, User Manual, Page: 13 / 30

6
Auto Power Off
The meter turns OFF automatically after 20 minutes of
inactivity. To disable the sleep mode, hold down POWER
and UNIT keys simultaneously to turn on the meter. First,
release POWER key, and it shows " n " on the LCD (Fig. 3).
Then release UNIT key and it enters measuring mode in
non-sleep status.
SPECIFICATIONS
MEASURINg RANgES:
Rotation (non-contact) 10.0~99999RPM
Rotation (contact) 10.0~19999RPM
Surface speed (contact) 1.0000~9999.9M/Min
3.0000~30000Ft/Min
1.0000~10000Yd/Min
RESOLUTION:
RPM unit 0.001/0.01/0.1/1
M/Min unit 0.0001/0.001/0.01/0.1
Ft/Min unit 0.0001/0.001/0.01/0.1
Yd/Min unit 0.0001/0.001/0.01/0.1
ACCURACY:
+/-(0.1% of rdg.+2 digit)
Operating temp. 0 to 50
o
C (32˚ to 122˚F)
Operating RH% Humidity < 80%
Storage temp. -10 to 50
o
C (14˚ to 122˚F)
Storage RH% Humidity < 90%
Dimension 165(L)x51(W)x32(H)mm
(6.5 x 2 x 1.26 IN)
Fig 3.