Thermo-fisher-scientific Alpha pH 2000D Bedienungsanleitung

Alpha pH 2000D pH/ORP controller/transmitter

2.3 Unit Overview Wall mounting version - 5 -

2.3.1 Display Overview The LC display shows two alpha-numerical fields for parameters and measured values as well as various mode and status ind

2.3.3 LED indicators Relay indicators If REL key is pressed the LED (A, B or W) indicates to which Relay (A, B or Wash) the displayed limit

2.3.5 Menu overview CCD “000” = Check calibration parameters (View only mode) CCD “11” = Calibration mode SCD “000” = Check setup parameters

3. Assembly and Installation 3.1 Mounting the Unit Wall mounting version 111.50 [4.39]144 [5.67]Un

3.2 Connection Diagram Caution: Ensure electrical mains are disconnected before proceeding. Connections for wall mounting version 1L2NCurr

4 Normal Operation 4.1 Measurement Mode When the controller/transmitter is powered on, the display first shows all segments briefly, after which

5 Calibration Mode You can access the Calibration mode directly from the Measurement mode by pressing the CAL key and entering the Calibration se

5.2 pH Calibration If the unit of measure is in pH (default), then the calibration is also carried out in pH. This transmitter features a one-poi

5.3 ORP-mV Calibration If controller is configured for ORP-mV measuring you can perform a one-point calibration. MEASCALCALHOLDCALHOLDmVmVR.mVCAL

Preface This manual serves to explain the use of the Alpha-pH2000D series pH/ORP controller/transmitter. The manual functions in two ways, firstly a

5.5 View actual zero and slope MEASPHOCATCCALENTpHCALENT 1. While in Measurement mode press the CAL key. The display will prompt you to enter a

6 Setup Mode 6.1 Enter Setup mode In the Setup mode the transmitter can be configured to your individual requirements. 1. While in Measurement

6.2 Electrode Offset (OFS) sub-function The electrode offset sub-function is only available if the transmitter is configured for pH measuring. Us

6.3 Setting temperature (Set °C°F) sub-function SETUPHOLDSETUPHOLDOCSETUPHOLDSETUPHOLDSETUPHOLDOOCFSETUPHOLDOCATCSETUPHOLDSETUPHOLDENTENTENTENT

6.4 Control Relay A / Relay B (SP1/SP2) sub-function The SP1 sub-function determines the operating parameters for Relay A; while SP2 defines th

6. Setting the off-delay time lag: press the ▲ or ▼ key to enter the off-delay time for set point 1 (set point 2). Your controller will delay de

6.5 Controller (CNTR) sub-function The CNTR sub-function determineshe controller’s parameters. SETUP SETUP HOLD HOLD ENT SETUP HOLD ENT ENT E

2. Selecting the controller type: press the ▲ or ▼ key to select the suitable controller type: − OFF = controller off Use control Off to operat

6.6 Current Output 1 sub-function In this sub-function you set the current output range of the transmitter for pH or ORP values. 22334455SETU

6.7 Current Output 2 sub-function In this sub-function you set the current output range of the transmitter for temperature values. ENTENTENTE

Safety Information The Controller/ Transmitter shall be installed and operated only in the manner specified in the Instruction manual. Only skilled,

6.8 Wash relay (WASH) sub-function In this sub-function you set the parameters for the wash relay. 1223345ENTENT ENTENTENTENTENTSETUPHOLDSETU

6.9 Configuration (CNFG) sub-function In this sub-function you configure the transmitter to suit your requirements. SETUP HOLD SETUP HOLD SET

Note: With this parameter you select whether the alarm contact will operate as a steady contact or a fleeting (single pulse) contact. Pulse conta

7 Relay Modes You can control devices connected to Relay A, Relay B or wash relay via the front panel of the transmitter. In Automatic mode, the

7.2 Manual relay mode In manual relay mode, you can manually turn “on” and “off” the control devices connected to Relay A, Relay B or Wash relay

8 Technical Specifications 8.1 General Specification (a) pH pH Measuring Range -2.00 to 16.00 pH Resolution 0.01 pH Accuracy ± 0.01 pH (b) m

8.4 Alarm Function – Alarm Relay Alarm Delay 0 to 2000 seconds Alarm control Steady or Fleet (pulse) Contact Outputs One SPDT relay Switchi

8.11 Electromagnetic Compliance (EMC) Specifications Emitted Interference EN 61326 Immunity to Interference EN 61326 8.12 Environmental Cond

9 Accessories 9.1 Replacement Unit Product Description Eutech Instruments Order Code Alpha pH 2000 Controller / Transmitter, wall mount version

10 General Information 10.1 Warranty Eutech Instruments/Oakton Instruments warrant this product to be free from significant deviations in materi

TABLE OF CONTENTS 1 INTRODUCTION ...

11 Appendices 11.1 Appendix 1 – Unit fuse and jumper settings Caution! Before opening the unit to replace the unit fuse, make sure the mains c

11.2 Appendix 2 – pH buffer values at various temperatures The following table shows the various pH values at different temperature of the s

11.3 Appendix 3 – Simple explanation on the function of hysteresis SP1 Set to LO SP2 Set to HI RELAY ONRELAY OFF4.59.5 10.04.0 The contro

11.4 Appendix 4 – General instructions concerning Controller Setting 11.4.1 Control characteristic of Controllers used as limit value swit

11.4.4 Control signal of Pulse length Controllers RelayONtONtOFFPulse Length TOFFTime [s] The output relay of the pulse length controller is cl

11.4.5 Control signal of Pulse Frequency Controllers RelayONtONtOFFPulse Length TOFFTime [s] The output relay of the pulse frequency controlle

- 41 - 11.5 Appendix 5 – Abbreviations used in menu displays Abbreviation Meaning Abbreviation Meaning MEAS Measurement CUR. 1 O

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10 GENERAL INFORMATION...

INTRODUCTION 1.1 At the beginning We thank you for having purchased the Alpha pH 2000D pH/ORP Controller. The construction of the pH/ORP Control

1.3 Safety Instructions - The Alpha pH 2000D should be installed and operated only by personnel familiar with the transmitter and who are quali

2 Product Description 2.1 Description of Unit The Alpha pH 2000D is used for measuring pH and temperature values. The pH values can be measured u

2.2 Measurement and Control System A typical measurement system consists of: • A pH/ORP process controller • A pH/ORP combination electrode w