H83.0.01.6C-6
Operating manual GMH 5450
page 11 of 20
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REF.S: Choice of standard reference solutions for automatic adjustment/cal.
1413 µS/cm
Reference solution 0.01 M KCL
2760 µS/cm
0.02 M KCL
12.88 mS/cm
0.1 M KCL
50 mS/cm
Sea-water reference solution KCL
111.8 mS/cm
1 M KCL
Unit t: Selection of temperature unit
°C
All temperature values in degree Celsius
°F
All temperature values in degree Fahrenheit
Temperature compensation (not for InP = SAL)
oFF
No temperature compensation of conductivity measurement
nLF
Non-linear function for natural waters according to EN 27888
(ISO 7888), ground, surface and drinking water
NaCl
Compensation for weak NaCl-solutions (pure and ultrapure water)
Lin
Linear temperature compensation
Compensation coefficient (only if t.Cor = Lin)
0.300 3.000
Temperature compensation coefficient in %/K
Reference temperature of temperature compensation (only if t.Cor = Lin or nLF)
25 °C / 77 °F
Reference temperature 25 °C / 77 °F
20 °C / 68 °F
Reference temperature 20 °C / 68 °F
Adjustment/Calibration: Adjustment reminder period (factory setting: 180)
1 …730
Adjustment reminder period (in days)
oFF
No adjustment reminder
Auto Hold: Automatic measuring value identification (only if Logger = oFF)
on
Auto measuring value identification (only if Logger = oFF) Auto Hold
oFF
Standard hold function on keypress (only if Logger = oFF)
Auto Power-Off : Selection of power-off delay
1...120
Power-off delay in minutes.
Device will be automatically switched off as soon as this time has
elapsed if no key is pressed/no interface communication takes place.
oFF
Automatic power-off function deactivated (continuous operation)
Background illumination
oFF:
Illumination deactivated
5 … 120
Turn off illumination after 5… 120s (factory settings: 5 s)
on:
Illumination always on
