
Transmitter M400/2(X)H, M400G/2XH 24
© 03 / 2014 Mettler-Toledo AG, CH-8606 Greifensee, Switzerland Transmitter M400/2(X)H, M400G/2XH
Printed in Switzerland 30 031 683
4.3.4 TB2 Analog Oxygen Sensors
InPro6800(G) InPro6900 InPro6950
Terminal Function Color Color Color
A Not used – – –
B Anode red red red
C Anode –* –* –
D Reference –* –* blue
E Not used – – –
F Not used – – –
G Guard – grey grey
H Cathode transparent transparent transparent
I NTC ret (GND) white white white
J Not used – – –
K NTC green green green
L Not used – – –
M Shield (GND) green/yellow green/yellow green/yellow
N Not used – – –
O Not used – – –
P + input 4/20 mA signal – – –
Q – input 4/20 mA signal – – –
* Install jumber between C and D for InPro6800(G) and InPro6900
4.3.5 TB2 – ISM (Digital) Sensors
pH, amp. Oxygen, Cond 4-e
Terminal Function Color
A Not used –
B Not used –
C Not used –
D Not used –
E Not used –
F Not used –
G Not used –
H Not used –
I Not used –
J Not used –
K Not used –
L 1-wire transparent (cable core)
M GND red (shield)
N Not used –
O Not used –
P Not used –
Q Not used –
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