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Sensorex TX3100 Operating Manual

Microprocessor ph/orp transmitter
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TX3100
Operation
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pH/ORP
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TX3100

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Summary of Contents for Sensorex TX3100

  • Page 1 TX3100 Operation Microprocessor Manual pH/ORP Transmitter TX3100...

  • Page 2: Table Of Contents

    2.4 Electrode and Housing Assembly ....................10 2.5 Round Junction Box Illustration and Description ..............13 2.6 Rectangular Junction Box Illustration and Description ............. 16 3. Overview of pH/ORP Transmitter TX3100 3.1 Rear Panel Illustration ....................... 19 3.2 Terminal Function Illustration ....................19 3.3 Terminal Function Description ....................
  • Page 3 6.5 Multi-Point Calibration (Multi-Cal) ..................36 6.6 Temperature ..........................37 6.7 Relay 1 ............................38 6.8 Relay 2 ............................39 6.9 Clean ............................40 6.10 Analog Output 1 (pH/ORP) ..................... 41 6.11 Analog Output 2 (Temperature) ....................42 6.12 Date/Time (Clock) ........................43 6.13 Sample Measurement Average (Digital Filter) ................

  • Page 4: Brief Instructions

    Brief Instructions ◎ Settings Menu Description (See Chapter 6 for Details) Press simultaneously to display settings information overview. Press_____to enter settings menu. Press keypad according to the index bar at the bottom of the screen. Keypad Index Keypad Index Bar Description Return to previous level or action Left or left page...
  • Page 5 Analog 1 Current output corresponding to pH or ORP range Analog 2 Current output corresponding to temperature range Clock Time and date settings Digital filter settings, adjust number of samples to be Digital Filter averaged for each reading Backlight settings, backlight Auto/ON/OFF, Back Light...
  • Page 6 ◎ Calibration Menu Description (See Chapter 7 for Details) Press simultaneously to display calibration information overview. Press_____to enter calibration menu. Press keypad according to the index bar at the bottom of the screen. Keypad Index: Keypad Accordingly item Description Return to previous level or action Left or left page Increase digit Right or right page...

  • Page 7: Specifications

    1. Specifications TX3100 Model Measurement Modes pH/ORP/Temp -2.00~16.00 pH Range -1999~1999 mV -30.0~130.0˚C TEMP 0.01 pH Resolution 1 mV 0.1˚C TEMP ±0.01 pH (±1 Digit) ±0.1% (±1 Digit) Accuracy ±0.2˚C (±1 Digit) TEMP with temperature error correction NTC30K / PT1K Auto temperature compensation...

  • Page 8: Assembly And Installation

    2. Assembly and Installation 2.1 Transmitter Installation This transmitter can be installed by panel mounting, wall mounting, or 2” pipe mounting. Panel Mounting: Prepare a square hole of 138 mm x 138 mm on the panel box, then insert the controller directly into the hole.

  • Page 9: Electrode And Housing Assembly

    2.4 Electrode and Housing Assembly 2.4.1 Cable Preparation (Cable Stripping Procedure) 40mm Put heat-shrinkable sleeve on coaxial shield Transparent coaxial inner (Peel away conductive rubber) pH/ORP Cable Preparation pH/ORP Signal Cable Preparation Instruction: Refer to the cable preparation illustration above. Peel 5 mm of the black conductive rubber wrap on the coaxial inner away from the connection tip.

  • Page 10: Overview Of Ph/Orp Transmitter Tx3100

    3. Overview of pH/ORP Transmitter TX3100 3.1 Rear Panel Illustration 3.2 Terminal Function Illustration POWER  2  ＋ GLASS pH/  － 4/20m ORP  AC  1  ＋ INPUT  POWER  － 4/20m (T/P Shield) ＋ REL1  REL2  WASH/Cln  Temp  －   ±12V...

  • Page 11: Terminal Function Description

    3.3 Terminal Function Description １ 100~240 AC: Power supply terminal ２ ３ WASH: Wash relay contact for an external relay ４ ５ REL2: Second alarm control, contact for an external relay ６ ７ REL1: First alarm control, contact for an external relay ８...

  • Page 12: Wiring Illustration

    3.6 Wiring Illustration Two-Wire Distribution Three-Wire Distribution GLAS REF. REF. GLAS Coaxial Coaxial Coaxial Coaxial shield Black shield inner inner Short circuit slice...

  • Page 13: Electrical Connection Illustration

    3.7 Electrical Connection Illustration 100V~240VAC Transmitter  Relay 1 Relay 2 WASH/Cln 100V~240VAC Surge absorber Surge absorber External relay Cleaning device Surge absorber Surge absorber External relay Dose feeder Surge absorber Surge absorber External relay Dose feeder Note: The transmitter’s built-in miniature relays are required to be repaired and replaced by professional technicians.

  • Page 14: Configuration

    4. Configuration 4.1 Front Panel Illustration TX3100 4.2 Keypad In order to prevent unauthorized operations, the transmitter utilizes multi-key and passcode functions to enter parameter and calibration setting modes. Description of the key functions are as follows: ：When in settings menu, press this key to exit and return to measurement mode.

  • Page 15: Display

    4.4 Display 1. When clean function is activated, the display will show “HOLD” and flash “Clean Running”. At the same time, the WASH indicator LED will light up, and the transmitter will automatically turn off Relay 1 and Relay 2 function. After cleaning is completed, both Relay 1 and Relay 2 will automatically return. 2.

  • Page 16: Operation

    5. Operation 5.1 Measurement Mode After all electrical connections are secured and tested, connect the instrument to the power supply to turn it on. The transmitter will automatically enter measurement mode with the factory default settings or the previous user settings. 5.2 Settings Menu Please refer to the settings instructions in Chapter 6.
  • Page 17 5.5.2 Calibration Default Values: Calibration Type: TECH-No Cal Slope: -59.15 mV/pH @ 25.0˚C Asy: 0 mV Sensitivity: 100.0% Determination:1.0000 Calibration Value: None data Return: Auto, 3 minutes Codep: OFF Note: The factory default calibration setting is “No Cal”, and the calibration value is “None”. This means that the user has not yet calibrated the sensor with the transmitter.

  • Page 18: Settings

    6. Settings Settings Block Diagram – Part 1 Overview Auto Code Language Mode Multi-Cal. Temperature Relay 1 Relay 2 Clean Return Setting Setting Setting Setting Setting Setting Setting Setting Setting Select Select Select Select Tradi- Simpli- Input English tional fied pH/ORP No.
  • Page 19 Settings Block Diagram – Part 2 Analog 1 Analog 2 Relay2 Clean Clock Digit Filter Back Light Contrast Return Code pH/ORP Temp. Setting Setting Setting Setting Setting Setting Setting Setting Output 1 Output 2 Select Select Select Select Number of Manual Clean 0~20mA or...

  • Page 20: Settings Menu

    6.1 Settings Menu Under measurement mode, press_____and_____simultaneously to display current settings overview. Press_____to return to measurement mode or press_____to enter settings menu. “Measurement (Mode)” Press Press Press Press Press to confirm it Enter Settings Menu...

  • Page 21: Settings Security Code (Code)

    6.2 Settings Security Code (Code) Enter settings menu, select “Code” to setup passcode protection. The default calibration passcode is “1111”. Note: The passcode for settings mode is at a higher security level than the passcode for calibration mode. The passcode for settings mode can be used to unlock calibration mode. Press to confirm it.

  • Page 22: Language

    6.3 Language Enter settings menu, select “Language” to change system language. Select from English, Traditional Chinese or Simplified Chinese. Press to confirm it. Press Press to select to select language language Press to confirm it. Enter “Mode” Setup...

  • Page 23: Measurement Parameter (Mode)

    6.4 Measurement Parameter (Mode) Enter setup menu, select “Mode” to change measurement parameter. Select between pH or ORP mode. Press to confirm it. Press to select pH or ORP. Press to confirm it. Enter “Multi-Cal” Setup...

  • Page 24: Multi-Point Calibration (Multi-Cal)

    6.5 Multi-Point Calibration (Multi-Cal) Enter settings menu, select “Multi-Cal” to adjust the number of calibration points. This function only applies to pH measurement. Press to confirm it. Press to adjust the number of calibration points. User may select up to 3 points. The factory default is 2 points. Calibration procedure will terminate once the set number of points have been calibrated.

  • Page 25: Temperature

    6.6 Temperature Enter settings menu, select “Temperature” to change temperature compensation mode. Select from NTC (NT 30K), PTC (PT 1K) or MTC (Manual adjustment). Press to confirm it. Press______ Press______ _____to select _____to select Press to confirm it. Press to confirm it. Use standard thermometer to test If necessary, compare with a the temperature of the solution.

  • Page 26: Relay 1

    6.7 Relay 1 Enter settings menu, select “Relay 1” to configure Relay 1. To turn on, set to “Auto”, select “High Point” alarm or “Lo Point” alarm, then set the Set-Point (SP) and Hysteresis (Hys.) values. Refer to the graph below for the relationship of the terms used in the case of high point alarm control. Press to confirm it.

  • Page 27: Relay 2

    6.8 Relay 2 Enter settings menu, select “Relay 2” to configure Relay 2. To turn on, set to “Auto”, select “High Point” alarm or “Lo Point” alarm, then set the Set-Point (SP) and Hysteresis (Hys.) values. Refer to the graph below for the relationship of the terms used in the case of low point alarm control. Press to confirm it.

  • Page 28: Clean

    6.9 Clean Enter settings menu, select “Clean” to setup relay activated cleaning. To turn on, set to “Auto”, set cleaning “ON” duration, set cleaning “OFF” duration, then set the Hysteresis (Hys.) value. Refer to the graph below for the relationship of the terms used. Note: A “Clean Running”...

  • Page 29: Analog Output 1 (Ph/Orp)

    6.10 Analog Output 1 (pH/ORP) Enter settings menu, select “Analog 1” to configure Analog 1 output. Select the appropriate output current, then set the corresponding pH/ORP measurement range limits. The smaller the set range, the greater the current output resolution. When the measured value is greater than the upper limit, the output current will remain approximately 22 mA.

  • Page 30: Analog Output 2 (Temperature)

    6.11 Analog Output 2 (Temperature) Enter settings menu, select “Analog 2” to configure Analog 2 output. Select the appropriate output current, then set the corresponding temperature measurement range limits. The smaller the set range, the greater the current output resolution. When the measured value is greater than the upper limit, the output current will remain approximately 22 mA.

  • Page 31: Date/Time (Clock)

    6.12 Date/Time (Clock) Enter settings menu, select “Clock” to adjust the system date and time. If the clock is turned off, the time and date will not be displayed under measurement mode. The calibration time under the calibration info. page will also display as “OFF”. Note: The clock needs to be reset following a power failure.

  • Page 32: Sample Measurement Average (Digital Filter)

    6.13 Sample Measurement Average (Digital Filter) Enter settings menu, select “Digital Filter” to configure digital filter settings. Adjust the number of samples to be averaged for each reading. Increasing the number of samples needed increases the stability of the resulting measurement value. Press to confirm it.

  • Page 33: Back Light

    6.14 Back Light Enter settings menu, select “Back Light” to configure backlight settings. The user can adjust the brightness of display from -2 ~ 2 (dark ~ bright), and sensitivity of the surrounding brightness sensor from -2 ~ 2 (insensitive ~ sensitive). Whether under OFF or AUTO mode, the touch-on function will activate the backlight when any button is pressed.

  • Page 34: Contrast

    6.15 Contrast Enter settings menu, select “Contrast” to adjust transmitter display contrast. The user can adjust the contrast of the display from -2 ~ 2 (dark ~ bright). Press to confirm it. Press to adjust display contrast level. Press to confirm it. Enter “Return”...

  • Page 35: Automatic Return (Return)

    6.16 Automatic Return (Return) Enter settings menu, select “Return” to adjust the time interval for automatic exit from settings mode to measurement mode. Select “Auto” to allow the transmitter to automatically exit settings mode after a duration of time. Select “Manual Exit” to prevent the transmitter from exiting settings mode automatically.

  • Page 36: Calibration Calibration Block Diagram

    7. Calibration Calibration Block Diagram CX3100 Cal. Info. Return Code TECH NIST Settings Settings Temp. adjust for Temp. adjust for Temp. adjust for Manual Input Auto first buffer (MTC first buffer (MTC first buffer (MTC Exit Passcode or ATC) or ATC) or ATC) Return Reading for first...

  • Page 37: Calibration Menu

    7.1 Calibration Menu Under measurement mode, press_____and_____simultaneously to display current calibration information overview. If calibration is not needed, press_____to return to measurement mode. To recalibrate, press_____to enter calibration menu. Measurement Mode Press simultaneously Press to return to Press measurement mode Press Press to confirm it.

  • Page 38: Calibration Security Code (Code)

    7.2 Calibration Security Code (Code) Enter calibration menu, select “Code” to setup passcode protection. The default calibration passcode is “1100”. Press to confirm it. The first digit will start to flash. Press_____or_____to adjust the value, press to confirm and When an incorrect code is proceed to the next digit.

  • Page 39: Ph Calibration

    7.3 pH Calibration This instrument provides multi-point standard buffer solution calibration. The user can decide the number of standard pH buffer points to calibrate to. The principle for calibration is according to “Method of Least Squares” that applies linear regression to calibrate the electrode’s slope and zero point (asy, offset, or zero point).
  • Page 40 7.3.4 Calibration Parameters The user may calibrate the electrode by one point or up to three points of standard buffer solutions in any sequence. As different calibration point methods are applied, the determinants of the zero point and slope are also different. Calibration Point Determinant Displayed Calibration Value Zero point (asy, offset or zero point) = Asy...
  • Page 41 7.3.5 TECH, NIST Buffer Calibration The procedure below is for two point calibration of TECH buffers (this procedure is also applicable to NIST buffer mode). Enter settings menu, select “Multi-Cal.” then set the number of calibration points to 2 (see chapter 6.5, Multi-Point Calibration). Enter calibration menu, select “TECH” and to calibrate.
  • Page 42 7.3.6 Any Buffer Calibration The procedure below is two point calibration for Any buffers. Enter settings menu, select “Multi- Cal.” then set the number of calibration points to 2 (see chapter 6.5, Multi-Point Calibration). Enter calibration menu, select “Any” to calibrate. Operate according to the diagrams below. For three point calibration, “Multi-Cal.”...

  • Page 43: Orp Calibration

    7.4 ORP Calibration Enter settings menu, select “Mode” then select “ORP” to change transmitter settings to ORP mode. Enter calibration menu, select “Calibration” to input ORP calibration value. The acceptance range is from -300mV to 300mV. Press to confirm it. Place the electrode into ORP standard solution.

  • Page 44: Automatic Return (Return)

    7.5 Automatic Return (Return) Enter calibration menu, select “Return” to adjust the time interval for automatic exit from calibration mode. Select “Auto” to allow the transmitter to automatically exit calibration mode after a duration of time. Select “Manual Exit” to prevent the transmitter from exiting calibration mode automatically. Note: The return function of setup menu and calibration setup menu are independent settings.

  • Page 45: Error Messages (Error Codes)

    2. Buffer cannot be bubbles. recognized. 3. Maintain or replace electrode and make another calibration. Wrong passcode Error5 Re-enter the passcode. ERROR CODE Critical error that does not Please contact Sensorex service. Error9 permit further measurements.

  • Page 46: Maintenance

    9. Maintenance Under normal operation and conditions, the transmitter does not need maintenance other than scheduled cleaning and calibration of the electrode to ensure accurate measurements. The cleaning cycle for the electrode depends on the measurement sample’s degree of pollution. Typically, weekly cleaning is highly recommended.

  • Page 47: Appendix

    Appendix Table 1 TECH Buffers TECH buffers TEMP˚C Buffer 4.01 Buffer 7.00 Buffer 10.00 3.999 7.087 10.241 3.998 7.053 10.155 3.999 7.031 10.116 4.002 7.011 10.047 4.006 6.996 9.998 4.011 6.985 9.952 4.018 6.976 9.925 4.031 6.971 9.874 4.047 6.969 9.843 4.055 6.969...
  • Page 49 Sensorex Corporation 11751 Markon Drive Garden Grove, CA 92841 USA Tel: 714-895-4344 Fax: 714-894-4839 e-mail: support@sensorex.com www.sensorex.com...

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