OHAUS STARTER 2100 Instruction Manual
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OHAUS STARTER 2100 Instruction Manual

Bench ph meter
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STARTER 2100
Bench pH Meter
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Summary of Contents for OHAUS STARTER 2100

  • Page 1 STARTER 2100 Bench pH Meter Instruction Manual...

  • Page 3: Table Of Contents

    Installation ................5 Package contents ................5 Installing the built-in electrode arm ..........6 Installing power adapter ..............6 Installing the electrodes ..............7 STARTER 2100 operation ............ 8 Calibration ..................8 3.1.1 Buffer group ................... 8 3.1.2 Performing 1-point calibration ............9 3.1.3...

  • Page 5: Introduction

    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.
  • Page 6 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.

  • Page 7: Display And Controls

    Display and controls Displays Electrode condition Slope: more than 95% Slope: 90-95% Slope: less than 90% and offset: ± (0-15) mV or offset: ± (15-35) mV or offset: ± (35-60) mV Electrode condition is good Electrode condition is Electrode condition is not acceptable good or needs cleaning Measurement icon -...
  • Page 8 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 - Meter turn off - Exit, return to measurement screen - Entered temperature setup mode...

  • Page 9: Installation

    In addition to ST2100-E content, the model ST2100-F package also includes the following: STTEMP30 temperature electrode 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.

  • Page 10: Installing The Built-In Electrode Arm

    30058733 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.

  • Page 11: Installing The Electrodes

    Installing the electrodes Connect the pH electrode with the meter. There are 3 Socket for pH electrode. The BNC (pH), Cinch (Temp.) and banana (REF) socket. For ST210, we only need to connect the pH electrode with the pH socket (BNC); For STTEMP30, connect with Temp.

  • Page 12: Starter 2100 Operation

    There are 1 buffer group (the US group) in the meter. The US buffer group is (at 25° C): 1.68 4.01 7.00 10.01 STARTER 2100 automatically corrects for the temperature dependence of the buffer pH values given in the following table. 5 ° C 1.67 4.01 7.09...

  • Page 13: Performing 1-Point Calibration

    59.16mV/pH @ 25° C which means 100% slope); Offset: the mV value when pH value is 7.00. (Theoretical value is 0 mV); When STARTER 2100 is in pH measurement mode (see 3.2), we can do the pH electrode calibration; place the pH electrode in a calibration buffer: ...

  • Page 14: Sample Measurement

    If the meter does not detect a temperature electrode, it automatically switches to the Manual Temperature Compensation mode and MTC appears. MTC temperature should be set (4.1). Note: STARTER 2100 accepts NTC 30 kΩ temperature sensor. Setup Set MTC temperature Press button-Temp the MTC temperature value appears on the display.

  • Page 15: Maintenance

    Meter maintenance Never unscrew the two halves of the housing! The STARTER 2100 series instruments do not require any maintenance other than occasional wipe with a damp cloth and the replacement of depleted batteries. The housing is made of acrylonitrile butadiene styrene (ABS). This material is attacked by some organic solvents, such as toluene, xylene and methyl ethyl ketone (MEK).

  • Page 16: Recover Factory Settings

    When b blinks, five icons are displayed.  Press the five keys in any order. Each time you press a key an icon disappears from the screen, continue to press the other keys until all the icons have disappeared. appears, means “pass”. If self- When the self-diagnosis has been completed successfully, diagnosis fails, error message Err appears.

  • Page 17: Specifications

    Specifications STARTER 2100 0.00…14.00 pH Measuring range –1999…1999 mV 0 °C…100 °C Resolution 0.01 pH 1 mV 0.1 ° C Error limits ± 0.01 pH ± 1 mV ± 0.5 ° C Calibration 1 or 2 points 1 predefined buffer group (4.01, 7.00, 10.01)

  • Page 18: Buffer Groups

    Buffer groups You can find US standard in 3.1.1, other standards for your reference. Buffer group Europe standard Temp℃ pH2.00 pH4.01 pH7.00 pH9.21 pH11.00 2.02 4.01 7.09 9.45 11.72 2.01 4.00 7.06 9.38 11.54 2.00 4.00 7.04 9.32 11.36 2.00 4.00 7.02 9.26...
  • Page 19 Ohaus Corporation 7 Campus Drive Suite 310 Parsippany, NJ 07054 USA Tel: (973) 377-9000 Fax: (973) 944-7177 With offices worldwide www.ohaus.com pH@ohaus.com *30031622* PN 30031622 A© Ohaus Corporation 2013, all rights reserved...

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