Hach Ultra POLYMETRON 9182, Operator'S Manual

Page: 54 / 92

Oxygen analyser (ppb) - 9182 -
6-6
6.2.3 Slope process calib electric zero
PROGRAMMING
ZERO:
Choice of the electrical zero. The electrical
zero is carried out automatically by the
transmitter at a regular frequency.
Choice of a process slope.
EXECUTION
SLOPE:
The "CAL" message flashes and indicates the
instrument is in calibrating mode. Wait for the
current stabilisation and press OK.
You have the possibility to adjust the
concentration value digit by digit with the
function key
to the value obtained
with your reference analysis method.
The analyser displays the date of the last
calibration and the new slope calculated.
Modify the date if you wish.
PROGRAMMING
SLOPE CALIB.
Select
EXECUTION
DATE :
P : 1 nA/ppm
SLOPE CALIB.
Enter
01/01/98
Possibility to enter the
calibration date
21.2
°ppm
25.0 °C
5.693
µ A
OK
CAL
TYPE :
SLOPE CALIB.
Select
PROCESS
Enter
SLOPE
CONC. CALIB.
Select
ZERO
ZERO CALIB.
TYPE :
ZERO CALIB.
Select
EXECUTION
SLOPE CALIB.
Enter
Enter
AutoElec.
PROGRAMMING
Select
Select
PROGRAMMING
Enter