PS-5S Omron, PS-5S Datasheet - Page 5

• Manufacturer Part Number: PS-5S
• Description: Sensor Hardware & Accessories Electrode Holder
• Manufacturer: Omron

Specifications of PS-5S

• Lead Free Status / Rohs Status: Lead free / RoHS Compliant

Safety Precautions for Electrodes and Electrode Holders
Precautions for Safe Use
Do not use the Controller in locations subject to explosive or
combustible dust, combustible gas, flammable vapors, corrosive gas,
excessive dust, salt-water spray, or water drops.
■ Electrode Precautions
Precautions for Correct Use
• Always disconnect the 61F when a tester to perform insulation
• If the Electrodes are to be cut, bevel the cut surface.
● Be careful of the distances between
Allow a sufficient distance (normally 1 m)
between Electrodes if they are used in
seawater or sewage. Use a low-sensitivity
61F-@D(-@ND) Level Controller if sufficient
distance cannot be obtained.
● Make the common (ground)
For a group of three Electrodes consisting of
a short, a medium, and a long Electrode,
connect the shortest Electrode to E
medium Electrode to E
Electrode to E
be at least 50 mm longer than the other
Electrodes.
● Be careful of the operating level.
Changes in the type of liquid or the power
supply voltage may cause the operating position
to fluctuate somewhat even when the tip of the
Electrode reaches the level of the liquid.
● Use separators.
When the required length of the Electrode is 1 m
or more, use a Separator at each joint between
two Electrodes to prevent the Electrodes from
coming into contact each other in the water.
● Be careful of suspended matter causing Electrodes to
Use Tubing Electrodes if factors such as suspended matter cause
Electrodes to come into contact with each other. To ensure
conductivity, strip off at least 100 mm from the end of the Tubing and
do not use Tubing on the common (earth) Electrode.
● Mount Electrodes vertically.
Water scum can easily accumulate on insulated parts and may
cause insulation failure. Mount the Electrodes vertically.
Do not touch the terminals while power is being supplied.
Doing so may possibly result in electric shock.
Do not attempt to disassemble, repair, or modify the
Controller while power is being supplied. Doing so may
occasionally result in electric shock.
resistance tests on the Electrode circuit.
Electrodes.
Electrode longer.
come into contact with each other.
3
. The long Electrode (E
http://www.ia.omron.com/
2
, and the long
!WARNING
1
, the
3
) must
1 m
E
3
E
2
E
Separator
Electrode
Holder
1
1 m
50 mm
min.
● Electrodes must be cleaned.
• At about six months after installation,
• Breakwater Pipe Mounting
• The procedures above also apply to using Electrode bands.
remove the Electrodes and use fine
sandpaper to remove film from the
surface. After that, clean the
Electrodes once or twice a year. If the
Electrodes are used in liquid with a
lot of dirt or scum, insulating film may
form, particularly on the surfaces of
the Electrodes, and result in
operating failures. Remove the
insulating film once every three
months or so. For sewage tanks,
sewage, oil film, or other applications
with a lot of waste material, use a
pipe such as the one shown at the
right.
Precautions
Install a breakwater pipe as shown in
the figure at the right for applications
with large waves or fast flow, such as
for water purification.
• Use a pipe with a diameter of at least four inches.
• Install the pipe with a diagonal cut at the end as shown in the
• Provide an air ventilation hole with a diameter of approx. 10 mm
• Use a pipe with a diameter of at
• To improve the circulation of
• Provide an air ventilation hole
(c)Copyright OMRON Corporation 2007 All Rights Reserved.
figure at the right according to the estimated waste material
accumulation.
on the upper part of the pipe.
least four inches.
liquid inside the pipe, make at
least four opposing holes with a
diameter of 6 to 10 mm near the
end of each electrode.
with a diameter of approx. 10 mm
on the upper part of the pipe.
Sewage tank
and tank surface
Pipe with
diameter of
approx. 4” min.
Amount of Waste
Material
Accumulating
between Periodic
Cleanings
Make at least
four opposing
holes with a
diameter of 6 to
10 mm near the
end of each
Electrode.
Pipe with a
diameter of at
least four inches.
Air hole dia.:
Approx. 10
Air hole dia.:
Approx. 10
5