OHAUS STARTER 3100 Instruction Manual
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OHAUS STARTER 3100 Instruction Manual

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STARTER 3100
Bench pH Meter
Instruction Manual

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Summary of Contents for OHAUS STARTER 3100

  • Page 1 STARTER 3100 Bench pH Meter Instruction Manual...

  • Page 3: Table Of Contents

    Installing the stand-alone electrode holder ........5 Installing the power adapter ............5 Connect the pH electrodes ............. 6 Meter stand for adjusting view angle ..........6 Attached quick guide ..............6 STARTER 3100 operation ............ 7 Calibration ..................7 3.1.1 Buffer group ................... 7 3.1.2 Performing 1-point calibration ............

  • Page 5: Introduction

    Introduction Thank you for choosing OHAUS product. Please read the manual completely before using the STARTER 3100 bench pH meter to avoid incorrect operation. STARTER 3100 has an excellent performance/price ratio and is designed with many useful features including a stand-alone electrode holder, a beeper for error alert. Other accessories such as many pH electrodes for different applications, and buffer solutions are also available.

  • Page 6: 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 Endpoint stability icon...
  • Page 7 Controls Button Press & release Press & hold for 3 seconds - Start or finish measurement - Turn auto endpoint on / off - Confirm setting, store entered value - Start calibration - Recall the latest calibration data : slope and offset - Meter turn on - Meter turn off - Exit and return to measurement...

  • Page 8: Installation

    1 set ST310 3-in-1 refillable pH electrode In use cover 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...

  • Page 9: Installing The Stand-Alone Electrode Holder

    Installing the power adapter Insert the right adapter clip into the power adapter slot. Ohaus balance power supply is also 12V which could also be used for the pH meter.

  • Page 10: Connect The Ph Electrodes

    REF socket is for separate reference electrode. (e.g.STREF01) Meter stand for adjusting view angle One unique design of the STARTER 3100 is the meter stand, which can be used to adjust the view angle of the display in case of working on high table.

  • Page 11: Starter 3100 Operation

    7.00 9.21 11.00 1.68 4.00 6.86 9.18 12.46 STARTER 3100 automatically corrects for the temperature dependence of the buffer pH values given in the following table - buffer group b1. 5 ° C 1.67 4.01 7.09 10.25 10 ° C 1.67...

  • Page 12: 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 3100 is in pH measurement mode (see 3.2); place the pH electrode in a calibration buffer, then: Press button-Cal, “...

  • Page 13: 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. Note: STARTER 3100 accepts NTC 30 kΩ temperature sensor. ATC (Auto Temperature Compensation) or MTC (Manual Temperature Compensation) , the Temperature Compensation only corrects for the change in the output of the electrode, not for the change in the actual solution.

  • Page 14: Using The Memory

    Using the memory 3.4.1 Storing a reading The STARTER 3100 can store up to 30 endpoint results.  Press button-Store when the measurement reaches endpoint. M01 indicates that one result has been stored. If you press button-Store when M99 is displayed, FUL displays to indicate the memory is full. To store further data you will have to clear the memory.

  • Page 15: Printing

    Printing If the printer is connected to the STARTER 3100(e.g. SF-F40A, green light means connection success), a print-out is automatically generated after each end pointed measurement or calibration. The format for the print-out following a pH measurement is: End Point, Value, Temp., ATC/MTC Auto EP, 4.01pH, 25.0º...

  • Page 16: Setup

    Setup Set temperature unit To set the temperature, you need go into the setup screen. When  Press and hold button-Mode/Setup until the setup icon appears on the display and the current temperature unit blinks.  Press button-up or button-down to switch between º C and º F . ...

  • Page 17: Maintenance

    Meter maintenance Never unscrew the two halves of the housing! The STARTER 3100 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 18: Self-Diagnosis

    acetone or a soap solution. After electrode treatment, a new calibration should be performed. If the electrode slope is still not good, the electrode might need to be replaced. Self-diagnosis  When meter is on, press and hold button-Read and button-Cal simultaneously until the meter displays the full screen.

  • Page 19: Specifications

    Specifications STARTER 3100 Measuring range -2.00…16.00 pH –1999…1999 mV -5 °C…110 ° C Resolution 0.01 pH 1 mV 0.1 ° C Error limits ± 0.01 pH ± 1 mV ± 0.5 ° C Calibration 3 points 3 predefined buffer group...

  • Page 20: Buffer Group

    Buffer group STARTER 3100 automatically correct for the temperature dependence of the buffer group pH value given in the following tables (b2, b3), you can find b1. (see 3.1.1) Buffer group b2 Europe standard Temp℃ pH2.00 pH4.01 pH7.00 pH9.21 pH11.00 2.02...
  • Page 21 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 *30031621* PN 30031621 A© Ohaus Corporation 2012, all rights reserved...

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