Mettler Toledo M400 Specifikace Strana 75

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Transmitter M400 75
© 02 / 2010 Mettler-Toledo AG, CH-8606 Greifensee, Switzerland Transmitter M400
Printed in Switzerland 52 121 378
The Salinity describes the total amount of solved salts in the CO
2
electrolyte of the sensor con-
nected to the transmitter. It is a sensor specific parameter. The default value (28.00 g/L) is valid
for the InPro 5000. Do not change this parameter if the InPro 5000 will be used.
The parameter HCO
3
describes the concentration of hydrogen carbonate in the CO
2
electrolyte of
the sensor connected to the transmitter. It is also a sensor specific parameter. The default value
0.050 Mol/L is valid for the InPro 5000. Do not change this parameter if the InPro 5000 will be
used.
To go on press [ENTER] again.
If the unit for the measured dissolved carbon dioxide is %sat, the pressure during the calibration
resp. measurement has to be considered. This will be done by setting the parameter TotPres.
If another unit then %sat has been selected, the result will not be influenced by this parameter.
Pressing [ENTER] again will bring up the Save Changes dialog. Selecting No will discard the
entered values and return to the measurement display screen, selecting Yes will save changes
made.
8.2.4 Set averaging
Enter Configuration Mode as described in section 8.1 ”Enter Configuration mode” and select the
menu Measurement (see section 8.2 ”Configuration/Measurement”).
Selected the menu “Set Averaging” by using the or . key. Press [ENTER]
The averaging method (noise filter) for each measurement line can now be selected.
The options are Special (Default), None, Low, Medium and High:
None = no averaging or filtering
Low = equivalent to a 3 point moving average
Medium = equivalent to a 6 point moving average
High = equivalent to a 10 point moving average
Special = averaging depending on signal change (normally High averaging but Low averaging
for large changes in input signal)
Pressing the [ENTER] key again will bring up the Save Changes dialog. Selecting No will discard
the entered values and return to the measurement display screen, selecting Yes will save chang-
es made.
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