OHAUS STARTER 2100 Manual de usuario

STARTER 2100

Bench pH Meter

Instruction Manual

Table of Contents

1Introduction..........................................................................1

1.1 Safety measures.............................................................................. 1

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

2Installation............................................................................5

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

2.2 Installing the built-in electrode arm .............................................. 6

2.3 Installing power adapter................................................................. 6

2.4 Installing the electrodes................................................................. 7

3STARTER 2100 operation....................................................8

3.1 Calibration........................................................................................ 8

3.1.1 Buffer group................................................................................... 8

3.1.2 Performing 1-point calibration ....................................................... 9

3.1.3 Performing 2-point calibration....................................................... 9

3.2 Sample measurement................................................................... 10

3.2.1 pH measurement......................................................................... 10

3.2.2 mV measurement........................................................................ 10

3.3 Temperature measurement .......................................................... 10

4Setup...................................................................................10

4.1 Set MTC temperature.................................................................... 10

5Maintenance.......................................................................11

5.1 Error message................................................................................11

5.2 Meter maintenance.........................................................................11

5.3 Electrode maintenance..................................................................11

5.4 Self-diagnosis.................................................................................11

5.5 Recover factory settings .............................................................. 12

6Specifications ....................................................................13

7Buffer groups.....................................................................14

1 Introduction

Thank you for choosing OHAUS product.

Please read the manual completely before using the STARTER 2100 bench pH meter to avoid

incorrect operation.

STARTER 2100 has an excellent performance/price ratio and is designed for customers who want a

simple and easy-to-use bench pH meter with 0.01pH accuracy. Many accessories and optional

such as different electrodes for different applications, bottle buffer solutions are also available

from OHAUS.

You will find much helpful functionality in the meter. A few of the many existing features are:

Large liquid crystal screen with well-organized display

Electrode condition icon on the display to show the pH electrode performance

Can recall last calibration data

Quick Guide attached in the meter to help user operate

1.1 Safety measures

Measures for your protection

Never work in an environment subject to explosion hazards! The housing of

the instrument is not gas tight. (explosion hazard due to spark formation,

corrosion caused by the ingress of gases)

When using chemicals and solvents, comply with the instructions of the

producer and the general lab safety rules.

Measures for operational safety

Do not unscrew the two halves of the housing

Dry off any liquid spills immediately! The instrument is not watertight

Exclude the following environmental influences:

oPowerful vibrations

oDirect sunlight

oAtmospheric humidity greater than 80%

oCorrosive gases present

oTemperatures below 5 °C and above 40 °C

oPowerful electric or magnetic fields

FCC Note: This equipment has been tested and found to comply with the limits for a Class A

digital device, pursuant to part 15 of the FCC Rules. These limits are designed to provide

reasonable protection against harmful interference when the equipment is operated in a

commercial environment. This equipment generates, uses, and can radiate radio frequency

energy and, if not installed and used in accordance with the instruction manual, may cause

harmful interference to radio communications. Operation of this equipment in a residential area is

likely to cause harmful interference in which case the user will be required to correct the

interference at his own expense.

1.2 Display and controls

Displays

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: ±(35-60) mV

Electrode condition is not

good or needs cleaning

Measurement icon - , measurement or calibration is running; disappear means the

reading is locked, no matter measurement

Calibration icon - , 1point or 2point calibration in progress

pH/mV reading or slope(%)in calibration

Error message - Err

Auto temperature compensation - ATC ; Manual temperature compensation - MTC

Temperature during measurement or Offset (mV) in calibration

Controls

Button

Press & release

Press & hold

for 3 seconds

- Start measurement or lock

current reading

- Confirm temp setting

- Start calibration

- Review the latest calibration

data (slope, offset)

- Meter turn on

- Exit, return to measurement

screen

- Meter turn off

- Entered temperature setup mode

- Increase temp. value when in

temp. setup mode

- Switch between pH and mV

measuring modes

- Decrease temp. value when in

temp. setup mode

- Start self-diagnosis

2 Installation

Carefully unpack the box.

2.1 Package contents

The model ST2100-B (basic model) has the following items:

In addition to ST2100-B content, the model ST2100-E package also includes the following:

In addition to ST2100-E content, the model ST2100-F package also includes the following:

You also could order other Ohaus pH electrodes for different applications.

Each pH buffer powder should be dissolved in 250ml pure water or deionized water in volumetric

flask. You also can order the bottle buffer solution from Ohaus.

Accessories:

Model

Description

Item NO

ST310

3-in-1 plastic refillable pH Electrode

83033965

ST210

2-in-1 plastic refillable pH Electrode

83033966

ST320

3-in-1 plastic gel pH Electrode(no need to refill)

83033967

ST230

2-in 1 glass muddy sample pH Electrode

83033968

STPURE

2-in-1 glass pure water sample pH Electrode

83033969

STTEMP30

Temperature Electrode

83033970

STORP1

Gel plastic ORP electrode

30038555

STORP2

Refillable glass ORP electrode

30038553

STREF01

Ag/AgCl reference electrode

30059253

Buffer powder set (4.01; 7.00; 10.0)

83033971

Buffer pH4.01 250ml

30065083

Buffer pH7.00 250ml

30065084

Buffer pH10.00 250ml

30065086

pH electrode Reference Electrolyte

30059255

ST2100-B

Units

STARTER 2100

Built-in electrode arm

12V Power supply

1 set

ST210 2-in-1 pH electrode

pH Buffer Power Set (4.01, 7.00, 10.01)

1 set

STTEMP30 temperature electrode

pH electrode protection solution

30059256

pH sensor protect bottle(10 in bag)

30064800

Electrode holder attached (2100)

30058732

Electrode holder stand alone (3100/3100C)

30058733

2.2 Installing the built-in electrode arm

Install the built-in electrode arm on the left or right sight of the STARTER 2100 meter.

Remove the arm hole rubber cover from the meter, Insert the metal stick into the hole and

screw to fasten it.

Install the upper electrode arm upon the metal stick from above; adjust it to a moderate

height.

2.3 Installing power adapter

Choose the right adapter clip, insert into the power adapter slot. Ohaus balance power supply is

also 12V which could also be used for the pH meter.

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