User Manual

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LabSen 371 Flat pH Electrode

User Manual

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

components imported from Switzerland. LabSen 371 plastic flat pH electrode adopts a flat

membrane and PTFE junction structure. It is suitable for wet solid and semi-solid surface, such as

paper, skin, textile and leather.

This probe has following features:

⚫ Anti-corrosion POM (Polyoxymethylene) shaft, have good mechanical performance.

⚫ 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

Gel

Temperature Range

(0 ~ 80) °C

Soaking Solution

3M KCl

Shaft Material

POM

Electrode Dimension

(Ø12×105) mm

Membrane Type

Flat

Membrane Resistance

<500MΩ

Reference

Long Life

Connector

BNC

Junction

PTFE

Cable

Ø3mm × 1m

2 Usage and Maintenance

2.1 Testing surface needs to be clean and wet, such as wetting the surface of skin or textiles with

distilled water.

2.2 Connect BNC plug to the input on the pH meter.

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

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

tight the cap.

2.4 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 soaked in pure water or buffer solution for long.

2.5 The connector of the electrode should always be clean and dry. If it gets contaminated, please

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

the electrode and slow reaction of electrode.

2.6 Every pH electrode will eventually age and fail. The typical service life of Apera pH electrodes

is 12-24 months depending on the frequency of usage and how well you keep it clean and

properly stored. We recommend replacing your electrode every 12-18 months to ensure the

best accuracy.

Summary of content (2 pages)

PAGE 1
LabSen 371 Flat pH Electrode User Manual LabSen electrochemical sensors are premium pH electrodes with manufacturing technology and key components imported from Switzerland. LabSen 371 plastic flat pH electrode adopts a flat membrane and PTFE junction structure. It is suitable for wet solid and semi-solid surface, such as paper, skin, textile and leather. This probe has following features: ⚫ Anti-corrosion POM (Polyoxymethylene) shaft, have good mechanical performance.
PAGE 2
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.