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15
TC: lineal 2.00%/
˚
C
Tref: 25
˚
C
Meas.: stability
Start measurement
Measuring conditions
TC: lineal 2.00%/
˚
C
Tref: 25
˚
C
Meas.: stability
Start measurement
Measuring conditions
...
Start measurement
By Stability
21,4
˚
C
* * *
.cm
Sample 1 00:01
MEASURING
by stability
21,4
˚
C
825
.cm
Sample 1 00:01
MEASURING
(continuous)
10-04-2010 17:45
MEASURE
New calibration
in 15 days
10-04-2010 17:45
TDS MEASURE
New calibration
in 15 days
ENGLISH
4.10.3. Resistivity measurementst:
Resistivity measurement with printer, See EC measurement with printer, page 12.
4. Operation
4.10.4. NaCl, TDS and Resistivity calibration
Standard recognition
The instrument recognises the same standard as in the EC cali-
bration, molar standards.
Calibration to X value
Manual readjustment of the selected unit, NaCl or TDS.
Cell constant introduction
Manual introduction of the cell constant. For example, when the
cell has been calibrated previously in calibration laboratory.
Theoretical calibration
Selecting theoretical calibration the calibration data in memory
will be replaced by C=1.000 cm
-1
.
This is a previous step of the obtention of calibration certificate.
Calibration frequency
Select between 0 h and 7 days. The instrument by default is
programmed for daily calibration and indicates the remaining
time to the new calibration. Selecting 0 h the automatic re-cali-
bration warning is deactivated.
etc.
etc.
etc.
Measurement
in continuous
Reprogramming resistivity
measurement conditions
EC71 HACH LANGE 7010.indd ANG:15
EC71 HACH LANGE 7010.indd ANG:15
8/7/10 16:14:55
8/7/10 16:14:55