7
Signet 9900 Conductivity Transmitter
CAUTION
!
DO NOT connect your 9900 to AC power.
The 9900 MUST be powered by
10.8 to 35.2 VDC ONLY.
Sensor Wiring
Mfr. Part No.
Code
Description
3-9900.394
159 001 699
Direct Conductivity/Resistivity Module
This system includes the Direct Conductivity/Resistivity (Cond/Res) Module which Provides
fi
ltering and signal
conditioning. The standard sensor cable length can be extended up to 30 m (100 ft)
Loop V
oltage
DC Power
Cond/Res Module
SHIELD
TEMP
(WHT)
ISO GND (BLK)
SIGNAL
(RED)
SHIELD (SIL
VER)
TEMP (WHT)
ISO GND (BLK)
SIGNAL (RED)
Black
Red
White
Shield
9900
Terminals
PWR –
PWR +
Loop +
Loop –
Black
Red
PWR –
PWR +
Loop +
Loop –
Power Supply
10.8 to 35.2 VDC
Red
Blue
Black
9900
Terminals
Power Supply
10.8 to 35.2 VDC
PLC or Recorder
Loop Input
4 to 20 mA
2819
2820
2821
2819
Sanitary
Tri-clamp
2822
