4-4 Zero adjustment, Max hold reset procedures
Zero adjustment procedures
Due to drift of environment temperature value, battery
power change, meter used for a long time or other
reasons. The display value may exist not zero value ( few
digits ) in case of no signal into the " Vibration Sensor ".
General speaking those not zero value will not effect the
measurement typically. However if intend to make the
precision measurement, the following zero adjustment
procedures should be executed as :
1)Vibration sensor set, VB-83 is ready, connect the " Plug of
VB-83 module " ( 3-24, Fig. 1 ) to the " CH1, CH2,
CH3, CH4 VB-83 Input Socket " ( 3-9A, B, C, D, Fig. 1 ).
2)Select the measurement to the " Acceleration "
3)Keep the vibration sensor motionless, no signal into
the vibration sensor.
4)Under Acc./Velocity/Displacement measurement if press the
" Button " ( 3-5, Fig. 1 ) and " Button " ( 3-7, Fig. 1 )
▲
▼
together > 3 seconds, then the " CH1 " symbol will flasing.
* Press the " SET Button " ( 3-6, Fig. 1 ) to select the
channel no. ( CH2, CH3, CH4 ), after the exact
channel is selected, the channel no. will flashing .
Press " Enter Button " ( 3-8, Fig. 1 ) to let the display reach
zero value according the selected channle no. ( flashing ).
5)The zero adjustment can be execute only
the display value show the no. less than 10 digits.
Max hold reset procedures
Under execute the Max Hold function if press the "
▲
Button " ( 3-5, Fig. 1 ) and " Button " ( 3-7, Fig. 1 )
▼
together > 3 seconds, then the " CH1 " symbol will flasing.
15
