Technical Data
Controls
Turns the 623 on. Hold down to turn unit
off.
ZERO
Momentarily press the button to
“ZERO” the dispaly (“ZERO” will temporari-
ly display in the lower left of the LCD)
=
Smoothing function to stabilize rapidly
changing pressure readings
UNITS
Selects 7 units of pressure kPa, PSI, inHg,
mmHg, inH2O, mmH2O, mbar
Turns the back light on (automatically turns
off after 30 seconds)
5
www.
.com
1.800.561.8187