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General 

The Sentron SI line probes allow you to perform accurate pH measurements together with Sentron SI 
line meters. We advise you to read the ‘Quick Start’ guide before use and keep this guide for future 
reference. We also advise you to read this manual to learn about the probe’s maintenance and cleaning 
instructions.  

The Sentron pH meter and probes are designed for pH measurements. Do not use the meters or probes 
for other applications as this may cause damage. 

 

1.1  Declaration of compliance 

Sentron Europe B.V. located in Leek, the Netherlands, declares that the Sentron SI line pH meters are 
designed and produced in accordance with EMC-standards EN 50081-1 and EN 50082-1. 

As a result of this and adherence to other standards this meter is permitted to carry the CE-mark. 

 

 

1.2  Guarantee 

All  Sentron  SI  line  pH  probes  are  produced,  packaged  and  transported  with  the  utmost  care  and 
Sentron provides a 6 month guarantee for material or manufacturing defects. 

Sentron will, according to its own judgment, either replace or repair a defect probe within 6 months 
of shipment, provided the  cause  is a defect in material of manufacturing and the  defect appeared 
during correct use of the probe. The guarantee explicitly excludes normal wear and tear and misuse of 
the probe. The decision whether or not the guarantee is applicable is subject to Sentron’s assessment 
for the defect cause. 

Sentron holds the right, at wholly its own discretion, to refuse guarantee claims in the event it suspects 
the probe has been used incorrectly. In cases of incorrect use Sentron may, but is not obliged to, offer 
to repair the meter at its regular repair fees. 

Any representations and guarantees made by any person, including distributors, representatives and 
employees of Sentron that are contradictory to the abovementioned guarantee conditions are void 
unless these are made in writing and signed by an authorized person.  

Sentron holds the right to request proof of purchase in the event guarantee claims are made. 

Sentron is not liable to users for any damages, either direct or indirect, relating to the use or intended 
use of Sentron probes or accessories.  

 

 

Summary of Contents for ConeFET

Page 1: ...SI line pH PROBE MANUAL For products ConeFET 3280 010 CupFET 3200 010 LanceFET 2270 010 LanceFET H 2274 010 MicroFET 9270 010 MiniFET 9202 010...

Page 2: ...he probe as this may cause damage and will void the guarantee All information provided in this manual is applicable at the moment of publication Sentron holds the right to change components functions...

Page 3: ...of compliance 4 1 2 Guarantee 4 1 3 Specifications 5 2 Use 6 2 1 Installation 6 2 2 Preparing for use 7 2 3 Operating tips 8 3 Cleaning 9 3 1 Daily cleaning 9 3 2 Revitalizing 9 3 3 Cleaning tips 10...

Page 4: ...n will according to its own judgment either replace or repair a defect probe within 6 months of shipment provided the cause is a defect in material of manufacturing and the defect appeared during corr...

Page 5: ...5 1 3 Specifications...

Page 6: ...obe failure or irreversible damage to the probe Samples must be aqueous solutions or semi solids and compatible with the probe s materials If information is required regarding the chemical resistance...

Page 7: ...page from a new probe is normal and will not affect the lifetime or performance of the probe Subsequently rinse with deionized or distilled water Soak the probe in pH 7 00 buffer or pH 4 00 buffer wit...

Page 8: ...late based are less susceptible to carbon dioxide contamination than pH 10 00 buffers borax or carbonate based When slope errors occur it usually indicates a failing probe or a contaminated buffer If...

Page 9: ...e to be cleaned with a brush Place the probe in warm tap water around 60 C 140 F with a mild detergent for 5 minutes stir periodically Scrub the probe tip with a soft brush and water with a mild deter...

Page 10: ...r Cleaning agents are available at Sentron ask your local dealer Do not use hydrofluoric acid acetone MEK or similar agents to clean the probe 4 Storage For short time periods 2 Days probes can be sto...

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