OHAUS ST300 Instruction Manual - Table Of Contents

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INTRODUCTION ................................................................... 1

1.1

Definition of Signal Warnings and Symbols ...................................... 1

1.2

Safety Precautions ............................................................................ 2

1.3

Display and controls .......................................................................... 3

INSTALLATION ..................................................................... 5

2.1

Package contents .............................................................................. 5

2.2

Installing the batteries ....................................................................... 6

2.3

Installing the electrode clip ................................................................ 6

2.4

Installing the IP54 seal components ................................................. 6

2.5

Integrated stand for table top use ..................................................... 7

STARTER 300 SETUP .......................................................... 8

3.1

Set temperature unit and MTC value ................................................ 8

3.2

Selecting a predefined buffer group .................................................. 8

STARTER 300 OPERATION ................................................. 9

4.1

Calibration ......................................................................................... 9

4.1.1

Buffer group ................................................................................ 9

4.1.2

Performing 1-point calibration .................................................. 10

4.1.3

Performing 2-point calibration ................................................... 11

4.2

Sample measurement ..................................................................... 12

4.2.1

pH measurement ...................................................................... 12

4.2.2

mV measurement ..................................................................... 12

4.3

Temperature measurement ............................................................. 12

4.4

Using the memory ........................................................................... 12

4.4.1

Storing a reading ...................................................................... 12

4.4.2

Recalling from memory ............................................................ 12

4.4.3

Clearing the memory ................................................................ 12

MAINTENANCE .................................................................. 14

5.1

Error message ................................................................................. 14

5.2

Meter maintenance.......................................................................... 14

5.3

Electrode maintenance ................................................................... 14

5.4

Self-diagnosis .................................................................................. 15

5.5

Recover factory settings .................................................................. 15

TECHNICAL DATA ............................................................. 16

6.1

Specifications

................................................................................ 16

6.2

Compliance ..................................................................................... 16

BUFFER GROUP ................................................................ 18

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Summary of ST300

Page 1
Starter 300 portable ph meter instruction manual.
Page 3: Table Of Contents
Table of contents 1 introduction ................................................................... 1 1.1 definition of signal warnings and symbols ...................................... 1 1.2 safety precautions ............................................................................ 2 1.3 disp...
Page 5: Introduction
Starter 300 portable ph meter en - 1 1 introduction thank you for choosing ohaus. Please read the manual completely before using the starter 300 portable ph meter to avoid incorrect operation. Starter 300 has an excellent performance/price ratio and is designed with many useful features. Other acces...
Page 6
En-2 starter 300 portable ph meter 1.2 safety precautions caution: read all safety warnings before installing, making connections, or servicing this equipment. Failure to comply with these warnings could result in personal injury and/or property damage. Retain all instructions for future reference. ...
Page 7
Starter 300 portable ph meter en - 3 1.3 display and controls displays 1 electrode condition slope: more than 95% and offset: ± (0-15) mv electrode condition is good slope: 90-95% or offset: ± (15-35) mv electrode condition is acceptable slope: less than 90% or offset: ± (>35) mv electrode condition...
Page 8
En-4 starter 300 portable ph meter controls button press & release press & hold for 3 seconds - start or endpoint measurement - confirm setting, store entered value - turn auto endpoint on / off , - start calibration - review the latest calibration data (slope, offset) - meter turn on - return to me...
Page 9: Installation
Starter 300 portable ph meter en - 5 2 installation carefully unpack the box. 2.1 package contents the st300-b (basic) package has the following items: in addition to st300-b content, the st300 package also includes the following: each ph buffer powder should be dissolved in 250ml pure water or deio...
Page 10
En-6 starter 300 portable ph meter 2.2 installing the batteries remove the battery cover screw using a coin or screwdriver and remove the battery cover. Insert the batteries in the battery compartment as shown. Replace the battery cover and tighten the battery cover screw. 2.3 installing the electro...
Page 11
Starter 300 portable ph meter en - 7 2.5 integrated stand for table top use starter 300 has an integrated table stand as shown, which can be pushed out to use the meter on a lab bench or desk. To close the stand, push the middle edge of the stand toward the meter..
Page 12: Starter 300 Setup
En-8 starter 300 portable ph meter 3 starter 300 setup 3.1 set temperature unit and mtc value please note: if a temperature electrode is used, automatic temperature compensation (atc) and the sample temperature are displayed on the screen. You may then choose to skip mtc setup (below). If the meter ...
Page 13: Starter 300 Operation
Starter 300 portable ph meter en-9 4 starter 300 operation the basic procedure for ph measurement is as follows: a) ph electrode preparation b) buffer preparation and ph electrode calibration c) sample preparation d) ph measurement e) record measurement results f) rinse the ph electrode and store pr...
Page 14
En-10 starter 300 portable ph meter ph electrodes need to be calibrated with ph standard buffer solution before a proper ph measurement can be made. Calibration is to display the correct ph value when meter receives the mv value signal from the ph electrode. Slope: the linear coefficient between mv ...
Page 15
Starter 300 portable ph meter en-11 when starter 300 is in ph measurement mode (see 4.2) and auto end point mode.; place the ph electrode in your chosen calibration buffer, stir for 10 seconds, and wait 30-60 seconds, then: press button- . “cal 1” displays on the bottom left of the screen and “cal ”...
Page 16
En-12 starter 300 portable ph meter 4.2 sample measurement 4.2.1 ph measurement place the electrode in the sample, stir for 10 seconds, and wait 30-60 seconds. Press button- to start the ph measurement, appears on the display. Is blinking during measurement. When meter reaches the proper value, the ...
Page 17
Starter 300 portable ph meter en-13 4.4.3 clearing the memory pressing button- or button- to scroll through the stored results until “mrcl” appears. Press button- , clr blinks; there are now two choices: press button- to confirm the deletion of all the stored data. Press button- to return to the mea...
Page 18: Maintenance
En-14 starter 300 portable ph meter 5 maintenance 5.1 error message error 0 memory access error reset to factory settings error 1 self-diagnosis failed repeat the self-diagnosis procedure and make sure that you finish pressing all five keys within two minutes. Error 2 measured values out of range ch...
Page 19
Starter 300 portable ph meter en-15 5.4 self-diagnosis press and hold and simultaneously until the meter displays the full screen. Each icon blinks one after the other. This checks whether all icons are correctly shown. The next step is to check that the keys are functioning correctly. This requires...
Page 20: Technical Data
En-16 starter 300 portable ph meter 6 technical data 6.1 specifications ambient conditions altitude: up to 2000 m specified temperature range: 5°c to 40°c humidity: maximum relative humidity 80 % for temperatures up to 30°c decreasing linearly to 50% relative humidity at 40°c installation category: ...
Page 21
Starter 300 portable ph meter en-17 6.2 compliance this product conforms to the emc directive 2004/108/ec and the low voltage directive 2006/95/ec. The declaration of conformity is available online at europe.Ohaus.Com/europe/en/home/support/compliance.Aspx. In conformance with the european directive...
Page 22: Buffer Group
En-18 starter 300 portable ph meter 7 buffer group starter 300 automatically corrects for the temperature dependence of the buffer group ph value given in the following tables (b2, b3, b4), you can find b1 in 3.1.1. Buffer group b2 europe standard temp℃ ph2.00 ph4.01 ph7.00 ph9.21 ph11.00 5 2.02 4.0...
Page 23
Starter 300 portable ph meter en-19 limited warranty ohaus products are warranted against defects in materials and workmanship from the date of delivery through the duration of the warranty period. During the warranty period ohaus will repair, or, at its option, replace any component(s) that proves ...
Page 25
Starter 300 portable ph meter en-19.
Page 26
Starter 300 portable ph meter en-19 ohaus corporation 7 campus drive suite 310 parsippany, nj 07054 usa tel: +1 (973) 377-9000 fax: +1 (973) 944-7177 with offices worldwide / con oficinas en todo el mundo/ avec des bureaux dans le monde entier/ com escritórios no mundo inteiro www.Ohaus.Com pn 12113...

TABLE OF CONTENTS

Summary of ST300