Swann AMU pH-Redox Operator's Manual
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Swann AMU pH-Redox Operator's Manual

Swann AMU pH-Redox Operator's Manual

Version 6.20 and higher
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AMU pH-Redox
Version 6.20 and higher
A-96.250.441 / 060619

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  • Page 1 AMU pH-Redox Version 6.20 and higher A-96.250.441 / 060619...
  • Page 2 For any technical question, contact your nearest SWAN representative, or the manufacturer: SWAN ANALYTISCHE INSTRUMENTE AG Studbachstrasse 13 8340 Hinwil Switzerland Internet: www.swan.ch E-mail: support@swan.ch Document Status AMU pH-Redox Operator’s Manual Title: A-96.250.441 Revision Issue Sept. 2006 First Edition June 2019 Update to firmware V6.20 ©...

  • Page 3: Table Of Contents

    Single Components ........2.2.1 AMU pH-Redox Transmitter ......2.2.2 Flow Cell M-Flow 10-3PG .
  • Page 4 AMU pH-Redox 3.13.2 Relay 1 and 2 ........
  • Page 5 AMU pH-Redox Safety Data sheets ........

  • Page 6: Safety Instructions

    AMU pH-Redox Safety Instructions AMU pH-Redox - Operator’s Manual This document describes the main steps for instrument setup, oper- ation and maintenance. Safety Instructions General The instructions included in this section explain the potential risks associated with instrument operation and provide important safety practices designed to minimize these risks.

  • Page 7: Warning Notices

    AMU pH-Redox Safety Instructions 1.1. Warning Notices The symbols used for safety-related notices have the following sig- nificance: DANGER Your life or physical wellbeing are in serious danger if such warnings are ignored.  Follow the prevention instructions carefully. WARNING Severe injuries or damage to the equipment can occur if such warnings are ignored.

  • Page 8: General Safety Regulations

    AMU pH-Redox Safety Instructions Warning Signs The importance of the warning signs in this manual. Electrical shock hazard Corrosive Harmful to health Flammable Warning general Attention general 1.2. General Safety Regulations Legal The user is responsible for proper system operation. All precau- tions must be followed to ensure safe operation of the instrument.
  • Page 9 AMU pH-Redox Safety Instructions WARNING Risk of Electrical Shock If proper operation is no longer possible, the instrument must be disconnected from all power lines, and measures must be taken to prevent inadvertent operation.  To prevent from electrical shock, always make sure that the ground wire is connected.

  • Page 10: Product Description

    AMU pH-Redox Product Description Product Description 2.1. Description of the System Application pH and ORP are measured in many applications as for example potable water, high purity water or waste water. Each application requires different fittings, flow cells, and sensors.
  • Page 11 Electrode For the AMU pH-Redox four types of pH electrodes are available.  The Swansensor pH Standard is a combined gel electrode for application in drinking water and swimming pools. Gel electrodes can not be filled again and have a limited life time.
  • Page 12 AMU pH-Redox Product Description ORP Electrode For the AMU pH-Redox four types of redox (ORP) electrodes are available.  The Swansensor redox (ORP) Standard is a combined gel electrode for application in drinking water and swimming pools. Gel electrodes can not be filled again and have a limited life time.
  • Page 13 AMU pH-Redox Product Description pH sensor Flow cell block Temperature sensor Flow sensor Sample inlet (stainless steel Vessel (stainless steel) tube) Sample outlet Flow regulating valve Drain A-96.250.441 / 060619...
  • Page 14 AMU pH-Redox Product Description Fluidics The flow cell M-Flow 10-3PG consists of the flow cell block [C] and the calibration vessel [D]. The pH sensor [A] and the temperature M-Flow sensor [B] are screwed into the flow cell block [C].

  • Page 15: Single Components

    AMU pH-Redox Product Description 2.2. Single Components 2.2.1 AMU pH-Redox Transmitter ® General Electronics housing: Noryl resin Protection degree: IP54 (front) Ambient temperature: -10 to +50 °C Humidity: 10–90% rel., non condensing Display: backlit LCD, 75 x 45 mm Dimensions:...

  • Page 16: Flow Cell M-Flow 10-3Pg

    AMU pH-Redox Product Description 2.2.2 Flow Cell M-Flow 10-3PG Flow cell for potable water applications for the installation of three sensors, i.e. a pH or redox sensor, a reference sensor and a tem- perature sensor. Sensor cleaning available as an option.

  • Page 17: Flow Cell Qv-Flow Ss316L Phrt

    AMU pH-Redox Product Description 2.2.3 Flow Cell QV-Flow SS316L pHRT Made of stainless steel SS316L with built-in Pt1000 temperature sensor and a Swagelok connection for 1/4" tube. With flow mea- surement and needle valve. For the installation of two sensors i.e. a pH or redox sensor and a reference sensor.

  • Page 18: Flow Cell B-Flow Is1000

    AMU pH-Redox Product Description 2.2.4 Flow Cell B-Flow IS1000 Stainless steel flow cell for 2 sensors with integrated Pt1000 tem- perature sensor. Suitable for all sensors with PG13.5 screw head and a max. shaft length of 120 mm. 120 198...

  • Page 19: Swansensor Ph And Redox Standard

    AMU pH-Redox Product Description 2.2.5 Swansensor pH and Redox Standard Combined electrode with gel electrolyte for application in drinking water and swimming pools. 120 ±2 Ø 12 pH-Sensor Redox Sensor Sensor cable with plug Specifications Operative and measuring range: 1 to 13 pH...

  • Page 20: Swansensor Ph And Redox Ay

    AMU pH-Redox Product Description 2.2.6 Swansensor pH and Redox AY Combined electrode with gel electrolyte for application in waste wa- ter due to additional salt supplies. 120 ±2 Ø 12 pH-Sensor Redox Sensor Sensor cable with plug Specifications Operative and measuring range:...

  • Page 21: Swansensor Ph And Redox Si

    AMU pH-Redox Product Description 2.2.7 Swansensor pH and Redox SI pH/Redox electrode with reference electrode for the measurement of pH/Redox value in power plants. pH Sensor Redox Sensor Specifications Operative and measuring range: 1 to 12 pH pH-Sensor Operating temperature: 0–50 °C...

  • Page 22: Swansensor Ph And Redox Fl

    AMU pH-Redox Product Description 2.2.8 Swansensor pH and Redox FL pH/Redox electrode for the measurement of pH value or redox po- tential in high purity water. Only in combination with Swansensor Reference FL. 120 ±2 Ø 12 pH-Sensor ORP Sensor...

  • Page 23: Swansensor Reference Fl

    AMU pH-Redox Product Description 2.2.9 Swansensor Reference FL Reference electrode for Swansensor pH FL or Swansensor Redox Specifications Reference system: Ag/AgCl Electrolyte: KCl, 3.5 M Operating temperature: 0–50 °C Pressure: pressure free Min. Conductivity: min. 0.055 µS/cm Connection: plug PG 13.5 2.2.10 Spray Nozzle...

  • Page 24: Installation

    AMU pH-Redox Installation Installation 3.1. Installation Checklist Monitors Check Instrument’s specification must conform to your power ratings. Do not switch on power until all external devices are connected. Installation The transmitter is intended for panel mounting. The dimensions are shown in Dimensions of the AMU Transmitter, p.

  • Page 25: Dimensions Of The Amu Transmitter

    AMU pH-Redox Installation 3.2. Dimensions of the AMU Transmitter A-96.250.441 / 060619...

  • Page 26: Connecting Sample Inlet And Outlet

    AMU pH-Redox Installation 3.3. Connecting Sample Inlet and Outlet 3.3.1 Serto Fitting Stainless Steel for QV-Flow Cell Preparation Cut the tube to length and deburr it. The tube must be straight and free from blemishes for approximately 1,5 x tube diameter from the end.

  • Page 27: Flow Cell Qv-Flow

    AMU pH-Redox Installation 3.4. Flow Cell QV-Flow 3.4.1 Install Swansensor pH or Redox SI CAUTION Fragile parts The pH and ORP sensors are fragile.  Handle with care.  Do not spill KCl when removing the protective cap. Prepare the...
  • Page 28 AMU pH-Redox Installation Install the This instruction applies for both the pH and the ORP sensor. sensor KCl bottle Blind plug Connector cap Sensor KCl supply pipe Flow cell block QV-Flow Dosing tip Protective cap Connector Calibration vessel 1 Unscrew and remove the blind plug [F] from the flow cell block.

  • Page 29: Adapter Set

    AMU pH-Redox Installation 11 Puncture the bottom of the KCl bottle. 12 Connect the sensor cable to the AMU transmitter according to chapter Connect the Swansensor, p. 3.4.2 Adapter Set An adapter set is available which allows to install sensors with a shaft length of 120 mm.

  • Page 30: Flow Cell M-Flow

    AMU pH-Redox Installation To install a sensor with a shaft length of 120 mm proceed as fol- lows: 1 Unscrew and remove the blind plug [F] from the flow cell block. 2 Carefully remove the protective cap [J] from the sensor tip. Turn it clockwise only.
  • Page 31 AMU pH-Redox Installation Connector cap Protective cap Connector Flow cell block Sensor Calibration vessel 1 Carefully remove the protective cap [D] from the sensor tip. Turn it clockwise only. 2 Rinse the sensor tip with clean water. 3 Insert the sensor through a hole in the flow cell block [E] into the calibration vessel [F].

  • Page 32: Connect The Swansensor

    AMU pH-Redox Installation 3.6. Connect the Swansensor The coaxial cable of the sensor plug consists of the inner conductor [B] marked blue and the shield [C] marked white. When connecting the cable to the plug, do not interchange shield and inner conduc- tor.

  • Page 33: Install Spray Nozzle (Option) Into M-Flow Cell

    AMU pH-Redox Installation 3.7. Install Spray Nozzle (Option) into M-Flow Cell open close Flow cell block bottom view Hose nozzle Cleaning solution inlet Flow cell block Threaded hole for fixing screw Spray nozzle Blind plug Calibration vessel To install the optional spray nozzle proceed as follows:...

  • Page 34: Electrical Connections

    AMU pH-Redox Installation 3.8. Electrical Connections CAUTION Use only the terminals shown in this diagram, and only for the mentioned purpose. Use of any other terminals will cause short circuits with possible corresponding consequences to material and personnel. A-96.250.441 / 060619...
  • Page 35 AMU pH-Redox Installation Rear view of AMU Transmitter (+) (-) 2 3 4 5 6 7 8 9 10 11 12 13 14 RS232 RON OFF A/PB B/PB A-96.250.441 / 060619...

  • Page 36: Power Supply

     Mains equipped with an external switch or circuit-breaker – near the instrument – easily accessible to the operator – marked as interrupter for AMU pH-Redox 3.10. Sensor Connect the pH or ORP sensor to the AMU transmitter according to the connection diagram, see Electrical Connections, p.

  • Page 37: Relay Contacts

    AMU pH-Redox Installation 3.13. Relay Contacts 3.13.1 Alarm Relay NOTICE: Max. load 100 mA/50 V Alarm output for system errors. Error codes see Error List, p. Terminals Description Active (opened) during normal operation. Normally Closed Inactive (closed) on error and loss of power.

  • Page 38: Interfaces

    AMU pH-Redox Installation 3.15. Interfaces 3.15.1 RS232 Interface The RS232 interface is located on the back of the AMU transmitter. The RS232 interface is used for logger download and firmware up- load. 3.15.2 Profibus (optional) To connect several instruments by means of a network or to config- ure a PROFIBUS DP connection, consult the PROFIBUS manual.

  • Page 39: Modbus (Optional)

    AMU pH-Redox Installation 3.15.3 Modbus (optional) To connect several instruments by means of a network consult the MODBUS manual. Use appropriate network cable. NOTICE: The switch must be ON if only one instrument is installed, or on the last instrument in the bus.

  • Page 40: Instrument Setup

    AMU pH-Redox Instrument Setup Instrument Setup 4.1. Establish Sample Flow 1 Open sample flow tap. 2 Wait until the flow cell is completely filled. 3 Switch on power. 4.2. Programming Programming Set all necessary sensor parameters in menu 5.1 Installation/Sen- sors, further information see 5.1 Sensors, p.
  • Page 41 AMU pH-Redox Instrument Setup Set Buffer Please note that this list is only valid for Swan buffers. If you use different buffers please ask the manufacturer. Values The temperature curves for the buffer solutions for:  Standard 1 = pH7 ...

  • Page 42: Operation

    AMU pH-Redox Operation Operation 5.1. Keys Exit Enter to exit a menu or command (rejecting any changes) to move back to the previous menu level to move DOWN in a menu list and to decrease digits to move UP in a menu list and to increase digits...

  • Page 43: Display

    AMU pH-Redox Operation 5.2. Display 15:20:18 8.45 6.5 l/h 24.8°C normal operation HOLD input closed or cal delay: Instrument on hold (shows status of signal outputs). input closed: control/limit is interrupted (shows status of signal outputs). ERROR Error Fatal Error...

  • Page 44: Software Structure

    AMU pH-Redox Operation 5.3. Software Structure Main Menu Messages Diagnostics Maintenance Operation Installation Menu Messages 1 Messages Reveals pending errors as well as an event history Pending Errors (time and state of events that have occurred at an Message List earlier point of time).

  • Page 45: Changing Parameters And Values

    AMU pH-Redox Operation 5.4. Changing Parameters and values Changing The following example shows how to change the logger interval: parameters 1 Select the parameter you want to Sensors Logger 5.1.2 4.4.1 change. Sensor type FOME Log interval 30 min 2 Press [Enter] Disinf.

  • Page 46: Maintenance

    AMU pH-Redox Maintenance Maintenance 6.1. Maintenance Table Swansensor pH/Swansensor Redox (ORP) Quarterly Calibrate electrode. Ensure buffers are not expired. If necessary clean electrode Yearly Replace electrode Swansensor pH AY/Swansensor Redox (ORP) AY Twice per Clean electrode. month Monthly Calibrate electrode.

  • Page 47: Stop Of Operation For Maintenance

    AMU pH-Redox Maintenance 6.2. Stop of Operation for Maintenance 1 Stop sample flow. 2 Shut off power of the instrument. 6.3. Maintenance of Electrodes WARNING Chemicals can be toxic, caustic and flammable.  Read the Material Safety Data Sheets (MSDS) first.
  • Page 48 AMU pH-Redox Maintenance Connector Union screw Electrode Flow cell block Clean 1 If necessary wipe the electrode shaft and the green tip cautious- ly with a soft, clean, and damp paper tissue. pH Electrode 2 Remove grease with a tissue moistened with alcohol.

  • Page 49: Clean Ph/Orp Standard Or Ay Electrodes

    AMU pH-Redox Maintenance Clean 1 If necessary, wipe off dirt cautiously with a soft, clean, and damp paper tissue. Reference Electrode 2 Slightly open the sensor cap of the reference sensor and allow a small amount of electrolyte (~5 ml) to flow out.

  • Page 50: Calibration

    AMU pH-Redox Maintenance Clean 1 Wipe the electrode shaft and the green tip cautiously with a soft, clean, and damp paper tissue. pH Electrode 2 Remove grease with a tissue moistened with alcohol. 3 If the electrode is very dirty, put its tip into 1% diluted hydrochlo- ric acid for roughly 1 min.
  • Page 51 AMU pH-Redox Maintenance Standard The ideal pH electrode has an offset of 0 mV at pH 7 and a slope of 59.16 mV/pH unit. Real electrodes differ from this ideal. Therefore, pH Calibration pH electrodes are calibrated with two buffer solutions, of different pH values.
  • Page 52 AMU pH-Redox Maintenance Calibration 3.1.1 Maintenance Process pH Calibration Calibration Standard pH Simulation Set Time 01.01.05 16:30:00 Process Cal. 3.1.1.1 Current Value 7.78 pH Offset 0.00 mV Process Value 7.78 pH Save <Enter> Enter the correct value Process Cal. 3.1.1.1...
  • Page 53 AMU pH-Redox Maintenance Standard 1 Navigate to menu <Maintenance>/ Maintenance pH or ORP <Calibration>. Calibration Enter Calibration 2 Press [Enter]. Simulation Set Time 01.06.04 16:30:00 3 Remove the pH sensor (and, if ap- Enter Fill System plicable, temp. sensor) from the flow cell.

  • Page 54: Longer Stop Of Operation

    AMU pH-Redox Maintenance 6.5. Longer Stop of Operation 1 Stop sample flow. 2 Shut off power of the instrument. 3 Unscrew and remove the connectors from the electrodes. 4 Put the connector caps on it. 5 Remove the electrodes from the flow cell.

  • Page 55: Error List

    AMU pH-Redox Error List Error List Error Non-fatal Error. Indicates an alarm if a programmed value is ex- ceeded. Such Errors are marked E0xx (bold and black). Fatal Error (blinking symbol) Control of dosing devices is interrupted. The indicated measured values are possibly incorrect.
  • Page 56 AMU pH-Redox Error List Error Description Corrective action – check process E001 Alarm high – check programmed value, see 5.3.1.1.1, p. 71 – check process E002 Alarm low – check programmed value, see 5.3.1.1.25, p. 72 – check process E007 Sample Temp.
  • Page 57 AMU pH-Redox Error List Error Description Corrective action – Perform QA Procedure using reference E018 Quality Assurance instrument, e.g. AMI Inspector. – See If Fault Yes is programmed in E024 Input active Menu see 5.3.4, p. 77 – call service...

  • Page 58: Program Overview

    AMU pH-Redox Program Overview Program Overview For explanations about each parameter of the menus see Program List and Explanations, p.  Menu 1 Messages informs about pending errors and mainte- nance tasks and shows the error history. Password protection possible. No settings can be modified.

  • Page 59: Diagnostics (Main Menu 2)

    AMU pH-Redox Program Overview 8.2. Diagnostics (Main Menu 2) Identification Desig. AMU pH-Redox * Menu numbers 2.1* Version V6.20-06/16 Factory Test Instrument 2.1.3.1* 2.1.3* Motherboard Front End Operating Time Years / Days / Hours / Minutes / Seconds 2.1.4.1* 2.1.4*...

  • Page 60: Maintenance (Main Menu 3)

    AMU pH-Redox Program Overview 8.3. Maintenance (Main Menu 3) Calibration Process pH Process pH 3.1.1.4* * Menu numbers 3.1* 3.1.1* Standard pH Standard pH 3.1.2.5* 3.1.2* Simulation Alarm Relay 3.2.1* 3.2* Relay 1 3.2.2* Relay 2 3.2.3* Signal Output 1 3.2.4*...

  • Page 61: Installation (Main Menu 5)

    AMU pH-Redox Program Overview 8.5. Installation (Main Menu 5) Sensors Flow Flow measurement 5.1.1.1* * Menu numbers 5.1* 5.1.1* Parameter Type of sensor 5.1.2.1* 5.1.2* Sensor Check 5.1.2.2* Temperature Temp. Sensor 5.1.3.1* 5.1.3 Default Temp. 5.1.3.21* Temp. Compensation Comp. 5.1.3.3.1* 5.1.3.3*...
  • Page 62 AMU pH-Redox Program Overview Input Active 5.3.4.1* * Menu numbers 5.3.4* Signal Outputs 5.3.4.2* Output/Control 5.3.4.3* Fault 5.3.4.4* Delay 5.3.4.5* Miscellaneous Language 5.4.1* 5.4* Set defaults 5.4.2* Load Firmware 5.4.3* Password Messages 5.4.4.1* 5.4.4* Maintenance 5.4.4.2* Operation 5.4.4.3* Installation 5.4.4.4* Sample ID 5.4.5*...

  • Page 63: Program List And Explanations

    AMU pH-Redox Program List and Explanations Program List and Explanations 1 Messages 1.1 Pending Errors 1.1.5 Provides the list of active errors with their status (active, acknowl- edged). If an active error is acknowledged, the alarm relay is active again. Cleared errors are moved to the Message list.
  • Page 64 AMU pH-Redox Program List and Explanations 2.2.2 Miscellaneous: 2.2.2.1 Case Temp: Shows the actual temperature in °C inside the trans- mitter. 2.2.3 QA History: Shows the QA values of the last quality assurance procedures: Number: Each QA measurement is assigned to a number.

  • Page 65: Maintenance

    AMU pH-Redox Program List and Explanations 2.5 Interface Only available if optional interface is installed. Shows the programmed communication settings. 3 Maintenance 3.1 Calibration 3.1.1 Process pH/Redox: The process calibration is based on a com- parative measurement of the current electrode with a calibrated comparative electrode.

  • Page 66: Operation

    AMU pH-Redox Program List and Explanations 3.3 Set Time Adjust date and time. 4 Operation 4.1 Sensors 4.1.1 Filter Time Constant: Used to damp noisy signals. The higher the filter time constant, the slower the system reacts to changes of the measured value.

  • Page 67: Installation

    AMU pH-Redox Program List and Explanations 5 Installation 5.1 Sensors 5.1.1 Flow 5.1.1.1 Flow measurement: Select “Q-Flow” or “None”. The deltaT flow sensor is not supported by the AMU transmitter. Flow measurement Q-Flow None Q-Flow deltaT 5.1.2 Parameters: 5.1.2.1 Type of Sensor: Set the type of installed sensor. Possible types:...
  • Page 68 AMU pH-Redox Program List and Explanations 5.1.3.3 Temp. Compensation: (only available for pH measurement) 5.1.3.3.1 Comp.: Choose the compensation model which fits best to your ap- plication. Available compensation models: Comp. We recommend Nernst for potable water, waste water, swimming pools...
  • Page 69 AMU pH-Redox Program List and Explanations 5.1.5 Quality Assurance: Switch the Quality Assurance on or off (only available for pH measurement). 5.1.5.1 Level: Select quality level:  Level 0: Off Quality assurance procedure switched off. Any additional QA menus are hidden.
  • Page 70 AMU pH-Redox Program List and Explanations As process The process value can be represented in 3 ways: linear, bilinear or logarithmic. See graphs below. values [mA] 0 / 4 linear X Measured value bilinear [mA] 0 / 4 1’000 10’000 X Measured value (logarithmic) A-96.250.441 / 060619...
  • Page 71 AMU pH-Redox Program List and Explanations 5.2.1.40 Scaling: Enter beginning and end point (Range low & high) of the linear or logarithmic scale. In addition, the midpoint for the bilinear scale. Parameter Meas. Value: pH sensor Redox sensor 5.2.1.40.10 Range low:...
  • Page 72 AMU pH-Redox Program List and Explanations Response to maximum control output = 1.2/a Tangent on the inflection point = 2L Time = L/2 The point of intersection of the tangent with the respective axis will result in the parameters a and L.
  • Page 73 AMU pH-Redox Program List and Explanations 5.2.1.43.3 Reset time: The reset time is the time till the step response of a sin- gle I-controller will reach the same value as it will be suddenly reached by a P-controller. Range: 0–9’000 sec 5.2.1.43.4...
  • Page 74 AMU pH-Redox Program List and Explanations 5.3.1.1.25 Alarm Low: If the measured value falls below the alarm low value, the alarm relay is activated and E002 is displayed in the message list. pH sensor Redox sensor Range: -3 pH to +15 pH -500 mV to +1500 mV 5.3.1.1.35...
  • Page 75 AMU pH-Redox Program List and Explanations 5.3.1.5 Case Temp. low: Set the alarm low value for temperature of elec- tronics housing. If the value falls below the programmed value E014 is issued. Range: -10–20 °C 5.3.2 and 5.3.3 Relay 1 and 2: The contacts can be set as normally open or nor- mally closed with a jumper.
  • Page 76 AMU pH-Redox Program List and Explanations 5.3.2.400 Hysteresis: within the hysteresis range, the relay does not switch. This prevents damage of relay contacts when the measured value fluctuates around the alarm value. Parameter Range: pH sensor Redox sensor Meas. Value 0.00 pH to +2.00 pH...
  • Page 77 AMU pH-Redox Program List and Explanations 5.3.2.32.1 Actuator = Frequency Examples of metering devices that are pulse frequency driven are the classic membrane pumps with a potential free triggering input. Dosing is controlled by the repetition speed of dosing shots.
  • Page 78 AMU pH-Redox Program List and Explanations 5.3.2.6 Signal Outputs: Select operating mode of the signal output: Cont.: Signal outputs continue to issue the measured value. Hold: Signal outputs hold the last valid measured value. Measurement is interrupted. Errors, except fatal errors, are not issued.
  • Page 79 AMU pH-Redox Program List and Explanations Range: 00:00:00–23:59:59 5.3.2.342.2 Monday: Possible settings, on or off 5.3.2.342.8 Sunday: Possible settings, on or off 5.3.2.44 Run Time: see Interval 5.3.2.54 Delay: see Interval 5.3.2.6 Signal Outputs: see Interval 5.3.2.7 Output/Control: see Interval 5.3.2.1...
  • Page 80 AMU pH-Redox Program List and Explanations 5.3.4.4 Fault: No message is issued in pending error list and the alarm relay does not close when input is active. Message E024 is stored in the message list. Yes: Message E024 is issued and stored in the mes- sage list.
  • Page 81 AMU pH-Redox Program List and Explanations 5.4.4 Password: Select a password different from 0000 to prevent unau- thorized access to the following menus: 5.4.4.1 Messages 5.4.4.2 Maintenance 5.4.4.3 Operation 5.4.4.4 Installation. Each menu may be protected by a different password.

  • Page 82: Safety Data Sheets

    AMU pH-Redox Safety Data sheets Safety Data sheets A-85.112.300 Catalogue No.: Calibration Solution pH 4 Product name: A-85.113.300 Catalogue No.: Calibration Solution pH 7 Product name: A-85.114.300 Catalogue No.: Calibration Solution pH 9 Product name: A-85.121.300 Catalogue No.: Redox calibration solution Product name: A-87.893.500...

  • Page 83: Default Values

    AMU pH-Redox Default Values Default Values NOTICE: The AMI pH-Redox has two different operating modes (pH or Redox) which can be set in menu <Type of sensor>. The instrument remains in selected operating mode even after the <Default Values> are reset completely. Therefore this default value list is divided in the two parts pH and Redox where necessary.
  • Page 84 AMU pH-Redox Default Values Signal Output 2 Parameter: ..............Temperature Current loop: ..............4 –20 mA Function: .................. linear Scaling: Range low: ..............0 °C Scaling: Range high:..............50 °C Alarm Relay: Alarm: pH mode Alarm high:................. 15.00 pH Alarm low: ................-3.00 pH Hysteresis: ................
  • Page 85 AMU pH-Redox Default Values Settings: Control Parameters: Reset time:....... 0 s Settings: Control Parameters: Derivative Time: ....... 0 s Settings: Control Parameters: Control Timeout:....0 min Settings: Actuator: ..........Time proportional Cycle time: ................60 s Response time: ..............10 s Settings: Actuator ............

  • Page 86: Index

    AMU pH-Redox Index Index ..– Alarm Relay ORP-Sensor, Specifications 17 ..Application Range ..pH Measuring Principle ... .
  • Page 87 AMU pH-Redox Index ..System, Description of ..Technical Data Temperature compensation ..Terminals A-96.250.441 / 060619...

  • Page 88: Notes

    AMU pH-Redox Notes Notes A-96.250.441 / 060619...
  • Page 89 AMU pH-Redox Notes A-96.250.441 / 060619...
  • Page 90 AMU pH-Redox SWAN is represented worldwide by subsidiary companies and distributors. cooperates with independent representatives all over the world. SWAN Products Analytical Instruments for: High Purity Water Feedwater, Steam and Condensate Potable Water Pool and Sanitary Water Cooling Water Waste Water and Effluents Made in Switzerland A-96.250.441 / 060619...

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