3
Level 3=Calibratetransducer
Toactivatethe calibration the selected transduceryou mustfirstenterthe security
code 1793 and press ENT. Pleasenotethat eachchannelhasit owncalibration and
mustbe individuallyset. Connectthe transduceretc.ormilli-voltsourceintothe
correct socket at the rearof the unit.
(a)Select the channelnumberand enterthe pass word. the following will be
displayed :-
CALIBRATIONMODE
Reading =+00002
Press ENTtoZero
(b)Set the zeroinput condition , and when the reading stabilisespress the
"ENT"key. The instrument will nowelectronicallyadjust the zerotoobtain
the correct value.
(c)The displaywill the change to:-
Calibration Mode
Range =_____
Set 5digit forfull
scalethen press ENT
Nowenterthe full range (FULL SCALE)forthe input sensor, then press the
ENTkey. If saythe range required is4500 the enterthisas04500, you must
enterleading zeroes. The validrange is100 to19999.
(d)The displaywill nowshow:-
Calibration Mode
Reading =+00000
Set range conditions
then press ENTkey
Nowsetthe full scalevalue on the channelinputand when ready,press the ENT
key.The instrumentwill nowelectronicallyadjustthe internalgainuntil the required
range hasbeen found
(e)The instrument then exitsthe calibration mode and returnstothe normalstop
condition automaticallystoring the newcalibration information.
(f)Re-check the calibration. Sincethe zeroand span controlsareslightlyinter-
activeit maybe necessarytorepeat the aboveproceduretwoorthree times
tohome-inon the absolutevalues, particularlyif the calibration isgoing tobe
changed considerably.
