RS Pro IM-740 Manuel D'utilisation page 6

CAL (Calibration of 10 m/s)
The 10 m/s calibration is required for the standard 10 m/s
velocity source and operated by a qualified person.
1. Trun the meter on.
2. Prepare a 10/m/s velocity source, remove the sensor
cap and place the sensor to the velocity source.
3. Hold CAL, ºC / ºF key and press
CAL is shown on the LCD.
4. Press and hold CAL /ZERO key for more than 2
seconds, and the meter turns off automatically to
indicate the meter is now calibrated.
MAX/MIN/AVG
1. Press MAX/MIN key repeatedly to cycle through to
three functions of maximum, average, minimum. The
symbol of MAX, AVG or MIN appears on the top of LCD
to indicate the selected function. The maximum,
minimum, or average readings are shown on the LCD.
2. Press the MAX/MIN key for more than 2 second to
disable this feature.
HOLD
Press HOLD key to freeze the reading present on the LCD,
press this button again to disable Data Hold.
Auto Power Off
1. To save battery life, the Auto Power Off feature can be
used to turn the Meter off after 12 minutes of no activity.
2. When you turn on the meter the symbol
the LCD and the Auto Power off is enabled. Hold and
press
or off.
2016-7-5 V001
Air Velocity Meter/ English
for more than 2 second to turn this function on
until the symbol of
appears on
EN-5