Thermo Scientific Orion 320 Instruction Manual
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Thermo Scientific Orion 320 Instruction Manual

Perphect meter
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Orion 310,
320,
330
Orion PerpHect Meter
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  • Page 1 Orion 310, 320, Orion PerpHect Meter I N S T R U C T I O N M A N U A L Analyze Detect Measure Control ™ • • •...
  • Page 2 AQUAfast, Cahn, EZ Flash, Ionalyzer, ionplus, KNIpHE, No Cal, ORION, perpHect, PerpHecT, PerpHecTion, pHISA, pHix, pHuture, Pure Water, Sage, Sensing the Future, SensorLink, ROSS Ultra, Sure-Flow, TEA Analyzer, Titrator PLUS, TURBO2 and Wine Master are registered trademarks of Thermo Electron Corporation. 1-888-pHAX-ION, A+, All in One, Aplus, AQUAsnap, AssuredAccuracy, AUTO-BAR, AUTO-CAL, AUTO DISPENSER, Auto-ID, AUTO-LOG, AUTO-READ, AUTO-STIR, Auto-Test, BOD AutoEZ, Cable-Free, CERTI-CAL, CISA, DataCOLLECT, DataPLUS, digital LogR, DirectCal, DuraProbe, Environmental Product Authority, Extra Easy/Extra Value, FAST QC, Flash Titration, Flash Titrator, GAP, GLPcal, GLPcheck, GLPdoc, ISEasy, KAP, LabConnect, LogR, Low Maintenance Triode, Minimum Stir Requirement, MSR, NISS, One-Touch,...

  • Page 3: Table Of Contents

    B. Meter Self-Test Procedure ............23 C. SETUP Mode for Orion 320 ............ 25 Chapter X General Information on pH Calibration for Orion 320..27 A. Autocalibration with Two Buffers ........... 28 B. Autocalibration with One Buffer ..........29 C. Manual pH Calibration............. 30...
  • Page 4 PerpHecT Orion 310, 320, 330 Instruction Manual Chapter XII Orion 320 Other Measurement Modes ......... 35 A. mV/ORP Measurement Orion 320 ........... 35 B. Temperature Compensation ............. 35 Chapter XIII Orion 330 Meter Set-Up ............37 A. Power Source ................37 B.

  • Page 5: Chapter I General Information

    Orion PerpHecT meter line. The PerpHecT meters consist of the following meters: the Orion 310 pH/ Temperature Meter, the Orion 320 pH/mV/ORP/Temperature Meter, and the Orion 330 pH/mV/ORP/Temperature Meter. ™ All PerpHecT meters feature the Orion patented digital LogR...

  • Page 6: Using This Manual

    Using this Manual Operating instructions for the Orion 310 are covered in Chapters III through VII. Operating instructions for the Orion 320 are covered in Chapters VIII through XII. Operating instructions for the Orion 330 are covered in Chapters XIII through XVII.

  • Page 7: Meter Description

    “Ready” is designated by the indicator along the left side of the display. See Figure 2. Orion 320 and 330 A large bright LED display shows results in the main field. Temperature is displayed in the upper field. The current operation mode is indicated along the right side of the display.
  • Page 8 ® PerpHecT Orion 310, 320, 330 Instruction Manual SET UP (Orion 320 and 330) Indicates that the meter is in the setup mode which is used to define or view operating parameters. LogR Indicates that the meter is in the LogR temperature measurement or calibration mode.

  • Page 9: Keypad

    Press button to initiate pH or LogR temperature calibration. temp Press to enable or disable LogR Function. Orion 320 The PerpHecT Orion 320 meter has a 6 button keypad used to control all meter functions. Each keypress is acknowledged by the meter via a positive feel response. Function mode Press to select MEASURE mode.
  • Page 10 ® PerpHecT Orion 310, 320, 330 Instruction Manual Orion 330 The PerpHecT Orion 330 meter has an 8 button keypad used to control all meter functions. Each keypress is acknowledged by the meter via a positive feel response. Function mode Press to select MEASURE mode.

  • Page 11: Orion 310 Meter Setup

    PerpHecT ® Orion 310, 320, 330 Instruction Manual Chapter III Orion 310 Meter SetUp A. Power Source All PerpHecT meters are designed to operate with a line adaptor (Orion 020125) for 110V operation or (Orion 020130) for 220V operation. Plug the line adaptor securely into the meter’s Line Adapter Input, then plug into an appropriate wall outlet.
  • Page 12 ® PerpHecT Orion 310, 320, 330 Instruction Manual...

  • Page 13: Using The Orion 310

    PerpHecT ® Orion 310, 320, 330 Instruction Manual Chapter IV Using the Orion 310 A. Power-Up Plug meter into an approved wall outlet via the power line adaptor. The entire display (all annunciators) will be displayed for 2 seconds. Once all power-up procedures have been completed, the meter automatically advances to measure mode.
  • Page 14 ® PerpHecT Orion 310, 320, 330 Instruction Manual Check Out: After completing the self-test the meter will be in MEASURE mode. 1. Press the MODE key until the pH mode indicator is displayed. Main display should read a steady 7.00 ± 0.02. 2.

  • Page 15: General Information On Ph Calibration For Orion 310

    PerpHecT ® Orion 310, 320, 330 Instruction Manual Chapter V General Information on pH Calibration for Orion 310 A one or two-point calibration should be performed using fresh buffers before pH is measured. It is recommended that a two buffer calibration, using buffers that bracket the expected sample range, be performed at the beginning of each day to determine the slope of the electrode.

  • Page 16: Autocalibration With Two Buffers

    ® PerpHecT Orion 310, 320, 330 Instruction Manual A. Autocalibration with Two Buffers 1. Attach the pH electrode to the meter. 2. Choose either pH 4.01 and pH 7.00, or pH 7.00 and pH 10.01 buffers; whichever will bracket your expected sample range. 3.

  • Page 17: Autocalibration With One Buffer

    PerpHecT ® Orion 310, 320, 330 Instruction Manual B. Autocalibration with One-buffer NOTE: Autocalibration with one-buffer can only be performed using pH buffer 7.00. 1. Attach the pH electrode to the meter. 2. Choose pH 7.00 Buffer. 3. Press CAL key to initiate calibration sequence. CAL is displayed for 2 seconds.
  • Page 18 ® PerpHecT Orion 310, 320, 330 Instruction Manual...

  • Page 19: Introduction To Patented Digital Logr Ph Measurement For Orion 310

    PerpHecT ® Orion 310, 320, 330 Instruction Manual Chapter VI Introduction to Patented digital LogR pH Measurement for Orion 310 Obtaining accurate pH values depends on both correct measurement of standard and sample temperatures and on compensation for any variations in these temperatures.

  • Page 20: What Is Digital Logr

    ® PerpHecT Orion 310, 320, 330 Instruction Manual Table 1 pH Error due to 1° C Temperature Change (in pH units) pH 8 pH 9 pH 10 pH 11 pH 12 TEMP. (° C) or pH 6 or pH 5 or pH 4 or pH 3 or pH 2...

  • Page 21: Orion 310 Temperature Calibration Procedure

    PerpHecT ® Orion 310, 320, 330 Instruction Manual B. Orion 310 Temperature Calibration Procedure This procedure should be performed at least once per week to ensure accurate temperature compensation when operating in the LogR mode. If the meter is powered down or the electrode disconnected, it is recommended that you recalibrate the LogR temperature.
  • Page 22 ® PerpHecT Orion 310, 320, 330 Instruction Manual Orion 310 Temperature Calibration Procedure (con’t) 1. LogR Function must be activated by pressing TEMP key, turning LogR “ON” and pressing YES. Press the MODE key to display temperature readout on the meter. 2.

  • Page 23: Temperature Measurement For Orion 310

    PerpHecT ® Orion 310, 320, 330 Instruction Manual Chapter VII Temperature Measurement for Orion 310 A. Temperature Compensation (Manual and Automatic) 1. Use an ATC probe (Orion 927005 or Orion 927006) for automatic temperature compensation. Disable the LogR function using the TEMP key.
  • Page 24 ® PerpHecT Orion 310, 320, 330 Instruction Manual...

  • Page 25: Orion 320 Meter Setup

    PerpHecT ® Orion 310, 320, 330 Instruction Manual Chapter VIII Orion 320 Meter SetUp A. Power Source All PerpHecT meters are designed to operate with a line adaptor (Orion 020125) for 110V operation or (Orion 020130) for 220V operation. Plug the line adaptor securely into the meter’s Line Adapter Input, then plug into an appropriate wall outlet.
  • Page 26 ® PerpHecT Orion 310, 320, 330 Instruction Manual...

  • Page 27: Using The Orion 320

    PerpHecT ® Orion 310, 320, 330 Instruction Manual Chapter IX Using the Orion 320 A. Power-Up Plug meter into an approved wall outlet via the power line adaptor. The entire display (all annunciators) will be displayed for 2 seconds. Once all power-up procedures have been completed, the meter automatically advances to measure mode.
  • Page 28 SCROLL (▲,▼) keys to change the value to 100.0 press YES. d. The meter advances to pH mode and the display should now read a steady 7.00 ± 0.02. e. Press the MODE key to enter millivolt mode. Display should read 0 ± 1. 24 Using the Orion 320...

  • Page 29: Setup Mode For Orion 320

    PerpHecT ® Orion 310, 320, 330 Instruction Manual C. SETUP Mode for Orion 320 Select SETUP mode by pressing SETUP key until SETUP light is activated. This mode is used to define, change or view meter operating parameters. While in the SETUP mode, the YES key is used to scroll through the menu without changing parameters and to enter new parameters into meter memory.
  • Page 30 ® PerpHecT Orion 310, 320, 330 Instruction Manual...

  • Page 31: General Information On Ph Calibration For Orion 320

    To avoid this, place a piece of cardboard, foam rubber, or other insulating material between the stir plate and beaker. Always use a fresh aliquot of buffer whenever calibrating. General Information on pH Calibration for Orion 320...

  • Page 32: Autocalibration With Two Buffers

    NOTE: When making measurements in LogR mode, you must calibrate for temperature before attempting a pH calibration. See page 33 for temperature calibration procedure. 28 General Information on pH Calibration for Orion 320...

  • Page 33: Autocalibration With One Buffer

    7. Rinse electrodes with deionized water and place into sample. Record pH directly from the main meter display when the READY light is displayed or when electrode signal is stable. General Information on pH Calibration for Orion 320...

  • Page 34: Manual Ph Calibration

    7. Rinse electrode with deionized water and place in sample. 8. Record pH directly from the main meter display and temperature from upper field when the READY light is displayed or when electrode signal is stable. 30 General Information on pH Calibration for Orion 320...

  • Page 35: Introduction To Patented Digital Logr Ph Measurement For Orion 320

    The value shown at the intersection is the error a 1° C change in temperature will cause in pH measurement without compensation. Accurate temperature compensation is essential to accurate pH measurement. Introduction to Patented digital LogR pH Measurement for Orion 320...

  • Page 36: What Is Digital Logr

    Orion PerpHecT electrodes is in the meter’s memory. To maximize system performance and accuracy, use PerpHecT ROSS and PerpHecT pH electrodes. Figure 5 Cal Point Values Calculated Values Log of Resistance 32 Introduction to Patented digital LogR pH Measurement for Orion 320...

  • Page 37: Orion 320 Temperature Calibration Procedure

    LogR mode, you must perform a LogR temperature calibration. It is recommended that at least a two-point temperature calibration be performed to meet optimum system accuracy. See Appendix Section for additional information. Introduction to Patented digital LogR pH Measurement for Orion 320...
  • Page 38 MODE key. This will cause the system to display “ESC”, proceed to pH mode and retain to the previous LogR temperature calibration data. Introduction to Patented digital LogR pH Measurement for Orion 320...

  • Page 39: Chapter Xii Orion 320 Other Measurement Modes

    Orion 310, 320, 330 Instruction Manual Chapter XII Orion 320 Other Measurement A. mV/ORP Measurement Orion 320 1. Use the MODE key to select mV mode. 2. Connect ORP electrode to meter input. 3. Place electrode in sample. When reading stabilizes, record value.
  • Page 40 ® PerpHecT Orion 310, 320, 330 Instruction Manual...

  • Page 41: Orion 330 Meter Setup

    PerpHecT ® Orion 310, 320, 330 Instruction Manual Chapter XIII Orion 330 Meter SetUp A. Power Source All PerpHecT meters are designed to operate with a line adaptor (Orion 020125) for 110V operation or (Orion 020130) for 220V operation. Plug the line adaptor securely into the meter’s Line Adapter Input, then plug into an appropriate wall outlet.
  • Page 42 ® PerpHecT Orion 310, 320, 330 Instruction Manual...

  • Page 43: Chapter Xiv Using The Orion 330

    PerpHecT ® Orion 310, 320, 330 Instruction Manual Chapter XIV Using the Orion 330 A. Power-Up Plug meter into an approved wall outlet via the power line adaptor. The entire display (all annunciators) will be displayed for 2 seconds. Once all power-up procedures have been completed, the meter automatically advances to measure mode.

  • Page 44: Setup Mode Orion 330

    ® PerpHecT Orion 310, 320, 330 Instruction Manual Check Out: 1. After the self-test is completed, the meter will be in the MEASURE mode. a. Press the MODE key until the pH mode indicator is displayed. Main display should read a steady 7.00 ± 0.02. b.
  • Page 45 PerpHecT ® Orion 310, 320, 330 Instruction Manual The following parameters can be accessed in the SETUP mode: Slope The current electrode slope in meter memory will be displayed. In pH mode, the value is displayed as a percent of theoretical slope. The default setting is 100%.
  • Page 46 ® PerpHecT Orion 310, 320, 330 Instruction Manual...

  • Page 47: Chapter Xv General Information On Ph Calibration For Orion 330

    PerpHecT ® Orion 310, 320, 330 Instruction Manual Chapter XV General Information on pH Calibration for Orion 330 A one or two buffer calibration should be performed using fresh buffers before pH is measured. It is recommended that a two buffer calibration, using buffers that bracket the expected sample range, be performed at the beginning of each day to determine the slope of the electrode.

  • Page 48: Autocalibration With Two Buffers

    ® PerpHecT Orion 310, 320, 330 Instruction Manual Calibration and Measurement of pH A. Autocalibration with Two Buffers 1. Attach the pH electrode to the meter. 2. Choose either pH 4.01 and pH 7.00, or pH 7.00 and pH 10.01 buffers;...

  • Page 49: Autocalibration With One Buffer

    PerpHecT ® Orion 310, 320, 330 Instruction Manual B. Autocalibration with One-buffer NOTE: Autocalibration with one-buffer can only be performed using pH buffer 7.00. 1. Attach the pH electrode to the meter. 2. Choose pH 7.00 Buffer. 3. Press CAL key to initiate calibration sequence. CAL is displayed for 2 seconds.

  • Page 50: Manual Ph Calibration

    ® PerpHecT Orion 310, 320, 330 Instruction Manual C. Manual pH Calibration NOTE: Manual calibration can be performed with any user-selected buffer(s). The difference between manual buffer values must be between 1 and 4 pH units. 1. Attach electrode to meter. 2.

  • Page 51: Chapter Xvi Introduction To Patented Digital Logr Ph Measurement For Orion 330

    PerpHecT ® Orion 310, 320, 330 Instruction Manual Chapter XVI Introduction to Patented digital LogR pH Measurement for Orion 330 Obtaining accurate pH values depends on both correct measurement of standard and sample temperatures and on compensation for any variations in these temperatures.

  • Page 52: What Is Digital Logr

    ® PerpHecT Orion 310, 320, 330 Instruction Manual Table 1 pH Error due to 1° C Temperature Change (in pH units) pH 8 pH 9 pH 10 pH 11 pH 12 TEMP. (° C) or pH 6 or pH 5 or pH 4 or pH 3 or pH 2...

  • Page 53: Orion 330 Temperature Calibration Procedure

    PerpHecT ® Orion 310, 320, 330 Instruction Manual B. Orion 330 Temperature Calibration Procedure This procedure should be performed at least once per week to ensure accurate temperature compensation when operating in the LogR mode. If the meter is powered down or the electrode disconnected, it is recommended that you recalibrate the LogR temperature.
  • Page 54 ® PerpHecT Orion 310, 320, 330 Instruction Manual Orion 330 Temperature Calibration Procedure (cont'd) To perform a LogR calibration, the LogR function must first be enabled in SETUP mode. 1. First, initiate the LogR mode using the SETUP key. When the LogR function is enabled, the LogR annunciator will be lit.

  • Page 55: Chapter Xvii Orion 330 Other Measurement Modes

    PerpHecT ® Orion 310, 320, 330 Instruction Manual Chapter XVII Orion 330 Other Measurement Modes A. mV/ORP Measurement 1. Use the MODE key to select mV mode. 2. Connect ORP electrode to meter input. 3. Place electrode in sample. When reading stabilizes, record value. B.
  • Page 56 ® PerpHecT Orion 310, 320, 330 Instruction Manual...

  • Page 57: Chapter Xviii Self-Test Definitions Orion 310, 320 And 330

    PerpHecT ® Orion 310, 320, 330 Instruction Manual Chapter XVIII Self-Test Definitions Orion 310, 320 and 330 During the self-test, the meter will display various codes corresponding to the section of the instrument being checked. If any problems are found, an operator assistance code corresponding to the test that failed will be displayed.
  • Page 58 ® PerpHecT Orion 310, 320, 330 Instruction Manual Test Function\Display Test #1 Segment Display checks meter display. Ensures that all segments are lit. Test #2 RAM Check verifies the proper operation of the Random Access Memory. Test #3 External Input checks the electrode-input channel. Shorting cap must be plugged in for this test.

  • Page 59: Chapter Xix Operator Assistance Codes Orion 310, 320 And 330

    PerpHecT ® Orion 310, 320, 330 Instruction Manual Chapter XIX Operator Assistance Codes Orion 310, 320 and 330 Operator Assistance Codes are used to inform the user of an out-of-range value or meter problem. The following tables outline the operator assistance codes available in all Orion PerpHecT pH and pH/ISE Meters.
  • Page 60 ® PerpHecT Orion 310, 320, 330 Instruction Manual The Operator Assistance Codes E-20 through E-36 alert the user to a potential problem while calibrating or measuring. Several steps can be taken to eliminate the problem in each case. If the code persists after trying the suggested remedies, contact The Technical Edge for Orion Products at 1-800-225-1480.
  • Page 61 PerpHecT ® Orion 310, 320, 330 Instruction Manual Code Description Causes / Suggestions E-22 Calibration The pH values being measured Standard Error are the same for two different buffers. 1. Press any key to acknowledge. 2. Check that two different buffers are being used and that the correct one is being measured.
  • Page 62 ® PerpHecT Orion 310, 320, 330 Instruction Manual Code Description Causes / Suggestions E-35 Bad LogR Displayed when two calibration standards Standard do not differ in temperature by the minimum allowable differences in LogR mode. 1. The difference between temperature points must be at least 5°...

  • Page 63: Chapter Xx Troubleshooting Guide

    PerpHecT ® Orion 310, 320, 330 Instruction Manual Chapter XX Troubleshooting Guide Malfunction Possible Cause Remedy No Display No power to meter Check that meter is plugged in. Check that the proper line converter is plugged in securely. Erratic Readings Meter or electrode Follow the meter check-out or Reading...
  • Page 64 ® PerpHecT Orion 310, 320, 330 Instruction Manual 60 Troubleshooting Guide...

  • Page 65: Chapter Xxi Repair And Service

    PerpHecT ® Orion 310, 320, 330 Instruction Manual Chapter XXI Repair and Service After troubleshooting all components of your measurement system, contact The Technical Edge for Orion products. Within the United States call 1.800.225.1480, outside the United States call 978.232.6000 or fax 978.232.6031.
  • Page 66 ® PerpHecT Orion 310, 320, 330 Instruction Manual...

  • Page 67: Chapter Xxii Warranty

    PerpHecT ® Orion 310, 320, 330 Instruction Manual Chapter XXIII Warranty For the most current warranty information, visit www.thermo.com. The Thermo Electron Corporation, Orion products warranty covers failures due to manufacturer’s workmanship or material defects from the date of purchase by the user. User should return the warranty card and retain proof of purchase.
  • Page 68 ® PerpHecT Orion 310, 320, 330 Instruction Manual Thirty-six months from date of purchase by the user (or forty-two months from date of shipment from Thermo) • Waterproof Meters (Orion 630, 635, 830A, 835A, 260A, 261S, 265A, 266S, 130A, 131S, 135A and 136S), Conductivity Meters (Orion 105Aplus, 115Aplus, 125Aplus, 145Aplus, 150Aplus and 162A), ®...
  • Page 69 PerpHecT ® Orion 310, 320, 330 Instruction Manual 97-08 DO Probe, Series 100 Conventional Conductivity Cells, temperature probes and compensators (except those products noted). • Orion 93 and 97 ionplus Series sensing modules are warranted to give six months of operation if placed in service before the date indicated on the package, except 93-07 and 97-07 Nitrate modules are warranted to give ninety days of operation if placed in service before the date indicated on the package.
  • Page 70 ® PerpHecT Orion 310, 320, 330 Instruction Manual THE WARRANTIES DESCRIBED ABOVE ARE EXCLUSIVE AND IN LIEU OF ALL OTHER WARRANTIES WHETHER STATUTORY, EXPRESS OR IMPLIED INCLUDING, BUT NOT LIMITED TO, ANY IMPLIED WARRANTY OF MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE AND ALL WARRANTIES ARISING FROM THE COURSE OF DEALING OR USAGE OF TRADE.

  • Page 71: Chapter Xxiii Notice Of Compliance

    PerpHecT ® Orion 310, 320, 330 Instruction Manual Chapter XXIV Notice of Compliance WARNING: This meter may radiate radio frequency energy and if not installed and used properly, that is in strict accordance with the manufacturer's instructions, may cause interference to radio communications.
  • Page 72 ® PerpHecT Orion 310, 320, 330 Instruction Manual Certificate of Conformity Thermo Electron Corporation Manufacturer: Thermo Electron Corporation 166 Cummings Center Beverly, MA 01915-6110 U.S.A. hereby declares that the products Perphect LogR Orion 310, 320, 330, 350 and 370 from Serial No. 002000 conform with the following standards and documents Safety: IEC 1010 Safety for Laboratory Equipment...

  • Page 73: Chapter Xxiv Ordering Information

    Orion 310 PerpHecT pH/Temperature meter, PerpHecT ROSS electrode, 115V 0310A1 Orion 310 PerpHecT pH/Temperature meter, PerpHecT ROSS electrode, 220V 032000 Orion 320 PerpHecT pH/mV/Temperature meter, PerpHecT Ag/AgCl electrode, 115V 032001 Orion 320 PerpHecT pH/mV/Temperature meter, PerpHecT Ag/AgCl electrode, 220V 0320A0...
  • Page 74 ® PerpHecT Orion 310, 320, 330 Instruction Manual Orion Description 035001 Orion 350 PerpHecT pH/ISE meter, PerpHecT Ag/AgCl electrode, 220V 0350A0 Orion 350 PerpHecT pH/ISE meter, PerpHecT ROSS electrode, 115V 0350A1 Orion 350 PerpHecT pH/ISE meter, PerpHecT ROSS electrode, 220V 0350G0 Orion 350 PerpHecT pH/ISE meter, PerpHecT ROSS electrode, Printer, 115V...
  • Page 75 PerpHecT ® Orion 310, 320, 330 Instruction Manual Orion Description 9202BN PerpHecT Glass combination pH electrode 9203BN PerpHecT Glass semi-micro combination pH electrode 9206BN PerpHecT Epoxy gel-filled combination pH electrode 9207BN PerpHecT Epoxy gel-filled Triode pH electrode 9256BN PerpHecT Epoxy combination pH electrode 9272BN PerpHecT Glass Sure-Flow combination pH electrode 927005...
  • Page 76 ® PerpHecT Orion 310, 320, 330 Instruction Manual...

  • Page 77: Specifications For Perphect Meters

    PerpHecT ® Orion 310, 320, 330 Instruction Manual Chapter XXV Specifications For PerpHecT Meters ORION 310 ORION 320 ORION 330 ORION 350 ORION 370 0.00 - 14.00 0.00 - 14.00 0.00 - 14.00 0.000 - 14.000 0.000 - 14.000 RESOLUTION 0.01...
  • Page 78 ® PerpHecT Orion 310, 320, 330 Instruction Manual...

  • Page 79: Appendix A Logr Temperature Accuracy Tables

    PerpHecT ® Orion 310, 320, 330 Instruction Manual Appendix A LogR Temperature Accuracy Tables Two-point LogR calibration average Temperature Compensation pH error at 3 & 11 pH. AVG TEMP AVG TEMP AVG TEMP AVG TEMP COMP pH COMP pH ERROR ERROR ERROR ERROR...
  • Page 80 ® PerpHecT Orion 310, 320, 330 Instruction Manual Three-point LogR Calibration average Temperature Compensation pH Error at 3 & 11 pH. MAX TEMP MAX TEMP MAX TEMP MAX TEMP COMP pH COMP pH ERROR ERROR ERROR ERROR 0 - 25° C above 20°...
  • Page 81 Environmental Instruments Water Analysis North America 166 Cummings Center Beverly, MA 01915 USA Tel: 978-232-6000 Dom. Fax: 978-232-6015 Int’l. Fax: 978-232-6031 Europe 12-16 Sedgeway Business Park Witchford, Cambridgeshire England, CB6 2HY Tel: 44-1353-666111 Fax: 44-1353-666001 Far East Room 904, Federal Building 369 Lockhart Road Wanchai, Hong Kong Tel: 852-2836-0981...

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