Apera Instruments LabSen 213 Routine User manual

LabSen 213 Routine 3-in-1 pH Electrode

User Manual

LabSen electrochemical sensors are premium pH electrode with manufacturing technology and key

components imported from Switzerland. LabSen 213 routine 3-in-1 pH electrode is suitable for

routine lab use, integrates ATC probe, especially suitable for high-precision pH measurement of

scientific research and quality control.

This probe has following features:

Impact-resist membrane (see diagram-1), there is no danger of

electrode breakage during normal use.

Blue gel inner solution, does not flow and will not cause bubble.

Long life reference system, has better stability and service life.

Fast heat conducting pH/Temp.combination structure (Swiss

patented, Nr.699927), increase sensing speed by 40%, refer to

diagram-2.

1 Technical Data

Measuring Range

(0 ~ 14) pH

Electrolyte

3M KCl

Temperature Range

(-5 ~100)°C

Soaking Solution

3M KCl

Shaft Material

Lead-free Glass

Temp. Probe

NTC 30kΩ

Membrane Shape

Cylindrical

Electrode Dimension

(Ø12×120) mm

Reference

Long Life

Connector

BNC/RCA

Junction

Ceramic

Cable

Ø5×1m

2 Use and Maintenance

2.1 Connect BNC & RCA plug to the input on the pH meter.

2.2 When measuring, please unscrew the bottle cap, pull out the electrode and rinse it with

deionized water. After using, please put the electrode back into the bottle and screw tight the

cap.

Diagram-1

Diagram-2

Before pulling out or putting back the

electrode, make sure to fully loosen the blue

cap on the storage sleeve so that the

electrode can move in and out smoothly.

2.3 Prior to measurement, remove the rubber plug to maintain pressure of the reference solution,

keep consistent flow rate of reference solution and stable potentials of junction.

2.4 After a period of usage, the reference solution will running low. Whenever the level falls to 1/2

height of the electrode, add 3M KCL solution to the refilling hole by using syringe or pipette.

2.5 The connector of the electrode should be kept clean and dry. If being contaminated, please

clean it with medical cotton and absolute alcohol and blow dry to prevent the short circuit of the

electrode and slow reaction of electrode.

2.6 The electrode measuring tip should be soaked in the soaking bottle containing certain amount

of storage solution to keep the membrane hydrated and junction unblocked. Clean the bottle

and replace the storage solution if the storage solution gets turbid and mildewed. The electrode

should never be sinked in pure water or buffer solution for long.

2.7 Please avoid measuring dehydrated medium like strong acid or alkaline solution, absolute ethyl

alcohol and concentrated sulfric acid. In case of measuring such solution, please try to reduce

the immersion time and clean it carefully after use.

2.8 After 1-year of use, we recommend replacing the electrode to ensure the best accuracy.

3 Limited Warranty

We warrant this electrode to be free from defects in material and workmanship and agree to repair

or replace free of charge, at option of APERA INSTRUMENTS (Europe) GmbH any malfunctioned

or damaged product attributable to responsibility of APERA INSTRUMENTS (Europe) GmbH for a

period of SIX MONTHS from the delivery.

This limited warranty does not cover any damages due to:

Transportation, storage, improper use, failure to follow the product instructions or to perform any

preventive maintenance, modifications, combination or use with any products, materials, processes,

systems or other matter not provided or authorized in writing by us, unauthorized repair, normal wear

and tear, or external causes such as accidents, abuse, or other actions or events beyond our

reasonable control.

APERA INSTRUMENTS (Europe) GmbH

Wilhelm-Muthmann-Str.15, 42329 Wuppertal Germany

Phone: +49 202 51988998

Website: www.aperainst.de

Email: info@aperainst.de

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