Oakton 35660-58 Instruction Manual
Oakton Instruments
Phone number: (1)888-462-5866
625 E. Bunker Ct. Vernon Hills, IL. 60061, USA
E-mail: info@4oakton.com
CODE:M003858-3200839730-GZ0000590186
Electrode
connector
Connector cover
Cap
Lead
Temp. connector (T electrode)
Protective cap
Electrode plate
C1
T1
T2
C2
①
②
③
④
Conductivity electrode (35660-58)
Instruction Manual
December, 2019
Thank you for purchasing the Oakton electrode. Read this
manual carefully before using the electrode.
Conformable standards
This equipment conforms to the following standards:
RoHS: EN50581
9. Monitoring and control instruments
Authorised representative in EU
Cole-Parmer UK
9 Orion Court, Ambuscade Road
Colmworth Business Park
St Neots
Cambridgeshire
PE19 8YX, United Kingdom
Phone: +44-(0)1480-272279
Fax: +44-(0)1480-212111
Cautions during handling
Do not allow the electrode to come in contact with any
hard surface.
If the electrode pole plate is dry, immerse the electrode
in pure (ion exchange) water for at least one hour, prior
to use.
The electrode connector requires high insulation. Do not
allow the connector to be in contact with water or dirty
hands.
Do not rub the electrode plate with a brush or polish it
with a polishing agent.
The water-resistant construction of meters can be used
in combination with this electrode to provide waterresistant construction (conforming to IP-67). When
measuring, do not immerse the cap, the lead or the
connector in the sample.
Packaged contents
Name Q’ty
Electrode 1 pc
Operation Manual 1 copy
Specifications and names of parts
Names of parts
Usable temp. range 0°C to 80°C
Storage temp. range 0°C to 50°C
Electrode material Titanium - platinum black
Wetted part materials PPS, PSF and titanium
Electrode length 150 mm (incl. cap)
Max. height of electrode
plate
Ext. diam. of wetted part 16 mm
Lead length 1 m
53 mm (position from electrode tip)
Preparations
Connecting to meter
1. Insert the electrode connector into the connector port
sleeve on the meter, after aligning with the pin. Do not
insert the connector unless it is aligned properly with the
connector port.
2. Press the electrode connector into the connector port on
the meter, while turning the connector to the right.
3. Slide the connector cover over the connector. Then,
push the cover in straight until it comes in light contact
with the meter case.
Do not turn the cover.
4. Insert the temperature connector into the jack on the
meter. Insert the connector firmly, until the O-ring on the
connector can no longer be seen.
Setting cell constant
The cell constant for this electrode is displayed on the
electrode cap.
Enter the cell constant (shown as 0.954 x 100, in this
example) of the electrode, by following the instructions in the
Operation Manual for the meter.
Example: 35660-58
0.954 x 100 m
LOT.......
-1
Specifications
Model 35660-58
Cell constant 100 m
Measurement range
0.1 mS/m to 10 S/m (Former units: 1 μS/cm to
100 mS/cm)
-1
(Former units: 1 cm-1)
Preparing electrode
Either wash the electrode plate using a bottle that contains
pure (ion exchange) water, or immerse the electrode in a
beaker containing pure (ion exchange) water and lift the
electrode up and down a few times to rinse it, then wipe it
dry using filter or tissue paper.
For any questions regarding this product, please contact your local agency,
or inquire from the following website.
http://www.4oakton.com/
Measurement
Note
uppermost part of
electrode plate
Sample
Note
1. Immerse the electrode in the sample, so that the
uppermost part of the electrode plate is completely
immersed.
2. After immersing the electrode in the sample, lightly stir
the electrode around to optimize the contact area with
the sample and remove any air bubbles.
When measuring pure water or other water having low
conductivity (a few 100 μS/m or less), the absorption of
Carbon Dioxide from the air or other external interference
may affect results. In such cases, measurement should take
place under air-tight conditions; or, using a flow-form
conductivity electrode is recommended.
Avoid measuring samples having a viscosity of 0.1 Pa ꞏ s
(1P) or more and samples containing large amounts of oils.
The surface of the electrode plate absorbs various kinds of
macromolecular substances (such as proteins and fats).
Wash the electrode carefully, after measuring samples that
contain these substances.
Wash the electrode carefully when measuring a low con-
ductivity sample after measuring a high conductivity sample.
Then immerse electrode in the low conductivity sample
after making sure that there is no influence of the high conductivity sample.
Storage
1. Wash the electrode carefully using pure (ion exchange)
water, to remove any sample still clinging to the
electrode.
2. Wash inside of the protective cap with pure (ion
exchange) water, then add enough pure (ion exchange)
water to immerse the uppermost of the electrode plate.
And attach the protective cap.
Storing the electrode for an extended period of time while
the inside of the protective cap is dry may lead to a decline
in electrode responsiveness and sensitivity.
Avoid storing the electrode in hot place or places with high
humidity. Store the electrode indoors and out of direct
sunlight.
Maintenance
Wash the electrode carefully using pure (ion exchange)
water, to remove any sample still clinging to the
electrode.
If the electrode is very dirty and cannot be washed
correctly using pure (ion exchange) water, wash it using
the appropriate method below. Then, rinse the electrode
well using pure (ion exchange) water.
A long term-use of the electrode may result in shifts of
the cell constant, due to changes in the surface
condition of the electrode plate. We recommend
measuring the cell constant once every two or three
months. For further details, refer to the Operation
Manual.
General/oily dirt
Immerse the electrode in a neutral cleansing agent, then
rinse the dirt off.
Inorganic or other dirt
Immerse the electrode in 5% nitric acid for approximately 30
minutes.
2
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