Omega CDE-440 manual Installation, Electrical Connection

6.Installation

Before you install your conductivity cell, please verify for any possible bubbles and if the sample is constantly renewed.

ELECTRICAL CONNECTION

1. Prepare the cell installation point in area that offers good stirring, it is preferred to be close to the equipment (maximum of 10 meters -32 feet ) and exempt of vibrations.

2.Verify if all threaded points are tied.

3.Proceed with the instrumentation cable connection originating from the equipment, going thru the cable knockout of the electrical connection box and connecting it to the interconnection base.

Yellow

		4
Green	3	1	Black

Interconnection

Base

2

Cable Knockout

Connection

Box

Red

4. Electrical installation example between the equipment and the cell.

SHIELD 5

4 THERMO 3

2 MEAS 1

					F4		F3	F2	F1
			RS485	+	11	Na		17
Vd	TERMO	5			10	C	S1	16
				-
Am		4			9	Na		15
			mA-2	+ -
Pr.		3			8	C	S2	14
Vm.		2	mA-1	+ -	7	Na		13	AC
Blind .		1			6	C	S3	12

20

19

18

CN1 CN2 CN3 CN4

5. Verify if the cable knockouts are firmly attached to its respective interconnection cables. This is very important so the enclosure still offers IP-67. Sealing is crucial for a perfect performance

6.Be careful with humidity! It will diminish the impedance generating measuring errors. Verify the cable press and if necessary, dry the area using a hair dryer.

7.Be careful when tying threaded areas, depending on the cable position, it can be cut!

Note: Cell model CDE-442 do not offer a connection box and it is necessary a good instrumentation cable Sealing only at the equipment, as they do not offer connection cable.

5