
Transmitter M400/2(X)H, M400G/2XH 49
© 03 / 2014 Mettler-Toledo AG, CH-8606 Greifensee, Switzerland Transmitter M400/2(X)H, M400G/2XH
Printed in Switzerland 30 031 683
8.2.1.1 Analog sensor
Select sensor type Analog and press [ENTER].
Available measurement types are (depends on transmitter type):
Measurement parameter Transmitter
pH / ORP = pH or ORP M400/2(X)H, M400G/2XH
Cond (2) = 2 electrode conductivity M400/2(X)H, M400G/2XH
Cond (4) = 4 electrode conductivity M400/2(X)H, M400G/2XH
O
2
hi = Dissolved oxygen (ppm) M400/2(X)H, M400G/2XH
O
2
lo = Dissolved oxygen (ppb) M400/2(X)H, M400G/2XH
O
2
Trace = Dissolved oxygen (trace) M400/2(X)H, M400G/2XH
O
2
hi = Oxygen in gas (ppm) M400G/2XH
The 4 lines of the display can now be configured with sensor channel ”A” for each line of the
display as well as measurements and unit multipliers. Pressing the [ENTER] key will display the
selection for lines a, b, c and d.
8.2.1.2 ISM sensor
Select sensor type ISM and press [ENTER].
If an ISM sensor is connected, the transmitter automatically (Parameter = Auto) Recognizes the
type of sensor. You can also fix the transmitter to a certain measurement parameter
( Parameter=pH / ORP, pH / pNa, Cond(4), O
2
hi, 0
2
lo, O
2
trace), depending on the type of
transmitter you have.
Measurement parameter Transmitter
pH / ORP = pH and ORP M400/2(X)H, M400G/2XH
pH/pNa = pH and ORP (with pH/pNa electrode) M400/2(X)H, M400G/2XH
Cond (4) = 4 electrode conductivity M400/2(X)H, M400G/2XH
O
2
hi = Dissolved oxygen (ppm) M400/2(X)H, M400G/2XH
O
2
lo = Dissolved oxygen (ppb) M400/2(X)H, M400G/2XH
O
2
Trace = Dissolved oxygen (trace) M400/2(X)H, M400G/2XH
O
2
hi = Oxygen in gas (ppm) M400G/2XH
O
2
lo = Oxygen in gas (ppb) M400G/2XH
O
2
Trace = Oxygen in gas (trace) M400G/2XH
The 4 lines of the display can now be configured with sensor channel ”A” for each line of the
display as well as measurements and unit multipliers. Pressing the [ENTER] key will display the
selection for lines a, b, c and d.
h
NOTE: Beside the measurement values pH, O2, T, etc. also the ISM values DLI, TTM and ACT
can be assigned to the different lines and linked to the analog outputs (see Chapter 8.3 “Analog
outputs”) or set points (see chapter 8.4 “Set points”)
8.2.1.3 Save changes of the channel setup
After the procedure of the channel setup described in the previous chapter 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 changes made.
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