OHAUS STARTER 2100 User manual

STARTER 2100
Bench pH Meter
Instruction Manual

STARTER 2100 Bench pH Meter EN-2

SSSSs
TABLE OF CONTENTS
1INTRODUCTION ................................................................... 1
1.1 Definition of Signal Warnings and Symbols ...................................... 1
1.2 Safety Precautions ............................................................................ 2
1.3 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
2.5Attached quick guide ......................................................................... 7
3SETUP ................................................................................... 8
3.1 Set MTC temperature ........................................................................ 8
4STARTER 2100 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
5MAINTENANCE .................................................................. 13
5.1 Error message ................................................................................. 13
5.2 Meter maintenance.......................................................................... 13
5.3 Electrode maintenance ................................................................... 13
5.4 Self-diagnosis .................................................................................. 14
5.5 Recover factory settings .................................................................. 14
6TECHNICAL DATA .............................................................. 15
6.1 Specifications .................................................................................. 15
6.2 Compliance ..................................................................................... 16
7BUFFER GROUPS .............................................................. 17

STARTER 2100 Bench pH Meter EN-2

STARTER 2100 Bench pH Meter EN-1
1 INTRODUCTION
Thank you for choosing OHAUS.
Please read the manual completely before using the STARTER 2100 bench pH meter to ensure
proper setup, operation and maintenance.
STARTER 2100 has an excellent performance/price ratio and is designed with many useful features.
Other accessories and various electrodes are available for different applications. Contact your
preferred Authorized OHAUS Distributor for details and pricing.
Starter 2100 offers many practical features such as:
 Large liquid crystal screen with well-organized display
 Electrode condition icon on the display to show the pH electrode performance
 Recall of last calibration data
 Quick Guide attached under the meter to assist with operation
1.1 Definition of Signal Warnings and Symbols
Safety notes are marked with signal words and warning symbols. These show safety issues and
warnings. Ignoring the safety notes may lead to personal injury, damage to the instrument,
malfunctions and false results.
Signal Words
WARNING For a hazardous situation with medium risk, possibly resulting in
injuries or death if not avoided.
CAUTION For a hazardous situation with low risk, resulting in damage to the
device or the property or in loss of data, or injuries if not avoided.
Attention For important information about the product.
Note For useful information about the product
Warning Symbols
General hazard
Explosion hazard
Corrosive hazard

Alternating current

Direct current

EN-2 STARTER 2100 Bench 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.
 Verify that the input voltage range printed on the data label and the plug type matches the
local AC power to be used.
 Make sure that the power cord does not pose a potential obstacle or tripping hazard.
 Use the equipment only in dry locations.
 Dry off any liquid spills immediately. The instrument is not watertight.
 When using chemicals and solvents, comply with the instructions of the chemical producer
and the general lab safety rules.
 Use only approved accessories and peripherals.
 Operate the equipment only under ambient conditions specified in these instructions.
 Disconnect the equipment from the power supply when cleaning.
 Do not operate the equipment in hazardous or unstable environments.
 Service should only be performed by authorized personnel.

STARTER 2100 Bench 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: ± (35-60) mV
Electrode condition is not
good or needs cleaning
2
Measurement icon - , measurement or calibration is running; disappear means the
reading is locked, no matter measurement
3
Calibration icon - , 1 point or 2 point calibration in progress
4
pH/mV reading or slope(%) in calibration
5
Error message - Err
6
Auto temperature compensation - ATC ; Manual temperature compensation - MTC
7
Temperature during measurement or Offset (mV) in calibration
2
3
1
4
6
7
5

EN-4 STARTER 2100 Bench pH Meter
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

STARTER 2100 Bench pH Meter EN-5
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:
Additional Ohaus pH electrodes for different applications are available
Each pH buffer powder should be dissolved in 250ml pure or deionized water in a volumetric flask.
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
STTEMP30
Temperature Electrode
83033970
STORP1
Gel plastic ORP electrode
30038555
STORP2
Refillable glass ORP electrode
30038553
Buffer powder set (4.01; 7.00; 10.00)
83033971
Buffer pH1.68 250ml
30100424
Buffer pH4.01 250ml
30100425
Buffer pH7.00 250ml
30100427
Buffer pH10.01 250ml
30100429
Electrode arm built-in (2100)
30058732
pH electrode Reference Electrolyte
30059255
pH electrode storage(protection) solution
30059256
ST2100-B
Units
STARTER 2100
1
Built-in electrode arm
1
12V Power supply
1 set
ST210 2-in-1 pH electrode
1
pH Buffer Powder Set (4.01, 7.00, 10.01)
1 set
STTEMP30 temperature electrode
1

EN-6 STARTER 2100 Bench pH Meter
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 rubber hole 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 desired height.
2.3 Installing power adapter
Choose the proper adapter clip, insert into the power adapter slot.