Extech PH90 Bruksanvisning

Extech Inte kategoriserad PH90

Läs nedan 📖 manual på svenska för Extech PH90 (6 sidor) i kategorin Inte kategoriserad. Denna guide var användbar för 10 personer och betygsatt med 4.5 stjärnor i genomsnitt av 2 användare

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Sida 1/6

USERMANUAL



WaterproofpH/TemperatureMeter



ModelPH90

PH90‐en‐GB_V1.46/16

Introduction

Thank you for Modelselectingthe Extech  PH90waterproof pH/Temperature meter.This

instrumentisequippedwith a flatsurface electrodepH (modelpH95)forreliabletestresults.

This tested calibrateddeviceisshippedfully and and,withproperuse,willprovideyearsof

reliableservice.Pleasevisit (www.extech.com)our website to       check for the latest version of this

UserGuide,ProductUpdates,ProductRegistration,andCustomer Support.

Features

 Rugged,    replaceable, flat surface pH electrode(pH95)forquickpHmeasurements

 LCD       display shows pH and temperature measurements simultaneously

 Calibration    automatically recognizes buffer solution

 PTS           (percent of slope) feature alerts user when electrode replacement is necessary

 ATC  (automatic temperature compensation)

 Waterproof   design (IP57); meter can   float in water

 Auto       power off after 10 minutes of inactivity

 Easy    to replace pH electrode



PH90‐en‐GB_V1.46/16

Overview

pHOverview

pHis a unit (rangingofmeasure from 0 to14pH)indicating of or ofthedegree acidity alkalinity  a

solution. are solutionsSolutionswith a pHlowerthan 7consideredacidic, with a pHhigherthan

7 a 7areknownasbases,andsolutionswith pHofexactly are  considered ‘neutral’.

The thanpH pHscaleis if islogarithmicso,forexample, sample‘A’  1lower Sample‘B’,then

Sample Sample‘A’is10 times moreacidicthan B. A differenceof 1 pHrepresents a ten‐fold

differenceinacidity.

GettingStarted

 For                 new meters, remove the battery cap (1) at the top of the meter and install 2 batteries

observingcorrectpolarity.

 Remove                the cap from the bottom of the instrument (7) to expose the flat surface electrode and

referencejunction.

 Before      first use, rinse the electrode with clean     tap water and wipe dry.

 The           sponge should be kept moistened at all times to ensure accuracy.

ReplacingElectrodes

ThePH90is is isshippedwith a flatsurfacepHelectrodeattached(7).Electrodelife limited,and 

dependenton of(amongother factors) frequency useandcare.Iftheelectrodeneedstobe

replaced,followthese electrodes.stepsforremovingandconnecting ReplacementpH

electrodes(partnumberpH95) are available   from Extech Instruments.

1. the Unscrew electrodecollar(6)clockwise,andremoveitcompletely.

2. the the Pull pHelectrodemoduleoutfrom tester.

3. the Carefully,plug a newelectrodemoduleinto testersocket.

4. the Replaceandtighten electrodecollar to ensure a goodseal.

AutomaticElectrodeRecognition

Whenthe themeteris itpowered, recognizes typeofelectrodethatisconnectedanddisplays

the the theappropriateunitofmeasure.Attach electrodebeforepowering meter;neverpower

themeterwithoutanelectrodeattached.

PoweringtheMeter

The powerbatteries alreadyare installedinthe themeter.Press  button(3)topowerONorOFF.

The displayed status strength. The batteryindicatorletsthe theuserknow  ofthebattery  Auto

Poweroff feature off shutsthemeter automaticallyafter10minutesofinactivitytopreserve

batterylife.

Produktspecifikationer

Varumärke:	Extech
Kategori:	Inte kategoriserad
Modell:	PH90

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