Apera Instruments LabSen 241-6 User manual

LabSen 241-6 Semi-Micro pH Electrode

User Manual

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

components imported from Switzerland. LabSen 241-6 semi-micro pH electrode is suitable for micro

sample (≥0.2ml) in small containers, such as tubes and vials.

This probe has following features:

Impact-resist membrane, 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.

1 Technical Data

Measuring Range

(0 ~ 14) pH

Electrolyte

3M KCl

Temperature Range

(0 ~ 100)°C

Soaking Solution

3M KCl

Shaft Material

Lead-free Glass

Electrode

Dimension

Electrode (Ø12×150) mm

Measuring Tip (Ø6×100) mm

Reference

Long Life

Connector

BNC

Junction

Ceramic

Cable

Ø3×1m

2 Usage and Maintenance

2.1 Connect BNC 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.

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.

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.

2.4 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 keep 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’s 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 After 1-year of use, we recommend replacing the electrode to ensure the best accuracy.

3 Warranty

We warrant this electrode free from defects in material and workmanship and agrees to repair or

replace free of charge, at option of APERA INSTRUMENTS any malfunctioned or damaged product

attributable to responsibility of APERA INSTRUMENTS for a period of six months. Warranty period

is the time limit to provide free service for the products purchased by customers, not the service life

of the tester or electrodes.

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

Address: Wilhelm-Muthmann-Str.15,

42329 Wuppertal, Germany

Phone: +49 202 51988998

Website: www.aperainst.de

Email: info@aperainst.de

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