Xylem WTW Turb 750 T Operating Manual

Xylem WTW Turb 750 T Operating Manual

Laboratory turbidimeter
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OPERATING MANUAL
OPERATING MANUAL
ba77234edfs04 07/2022
®
Turb
750 T
LABORATORY TURBIDIMETER

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Summary of Contents for Xylem WTW Turb 750 T

  • Page 1 OPERATING MANUAL OPERATING MANUAL ba77234edfs04 07/2022 ® Turb 750 T LABORATORY TURBIDIMETER...
  • Page 2 ® Turb 750 T © Copyright 2022 Xylem Analytics Germany GmbH Printed in Germany. ba77234edfs04 07/2022...
  • Page 3: Table Of Contents

    ® Turb 750 T Contents ® Turb 750 T - Contents Safety ..........4 Display and jack field.
  • Page 4: Safety

    ® Safety Turb 750 T Safety Safety information Safety instructions point out dangers: WARNING indicates a possibly dangerous situation that can lead to se- rious (irreversible) injury or death if the safety instruction is not followed. CAUTION indicates a possibly dangerous situation that can lead to slight (reversible) injury if the safety instruction is not fol- lowed.
  • Page 5: Power Supply

    ® Turb 750 T Power supply Turbidity [IRPC] [AQA] 157.0 [3-P StdCAL] 15.01.20 16:12 1 Status display indicators, e.g.: [IRPC] = Intelligent reproducibility and plausibility check [AQA] = Valid AQA check available 2 Measured value (with unit) 3 Status display indicators, e.g. [3-P StdCAL] = Valid calibration available (calibration type: 3-P StdCAL)) 4 Status line with date and time...
  • Page 6 ® General operating principles Turb 750 T Operating modes  Measurement The display indicates measurement data in the measured value display  Calibration The display indicates a calibration procedure with calibration information  Data transmission The meter transmits measuring datasets or calibration records to the inter- face ...
  • Page 7 ® Turb 750 T General operating principles Measured value In the measured value display, open the menu with <MENU >. display Menus and dialogs The menus for settings and dialogs in procedures contain further subele- ments. The selection is done with the keys < > < >. The current selection is displayed inverse.
  • Page 8: Initial Commissioning

    ® Initial commissioning Turb 750 T They cannot be selected. Example: Turbidity Calibration The i indicates i Insert standard info texts, e.g. 1000 FNU/NTU messages, notes or instruc- i Press and hold <START> tions i Align sample Entering numerals Keys with additional characters printed on (orange) are assigned doubly. In with the number the input fields you can directly enter digits with the orange number keys (e.g.
  • Page 9: Operation

    ® Turb 750 T Operation Operation Inserting a cell Before using a cell for the first time, determine and mark the suitable measuring position for the cell (see P , page 9). REPARING THE CELL Push the dust cover (1) upward. The cell shaft for 28 mm cells is open.
  • Page 10 ® Operation Turb 750 T measuring with the aid of arrows printed on or markings. This refers to sample cells and cells for calibration standards. Prior to using a cell for the first time, the suitable position of the cell in the cell shaft is determined and marked to make sure the optical path is not disturbed.
  • Page 11: Measuring The Turbidity

    ® Turb 750 T Operation  During sampling, ensure all movement is kept to a minimum  If necessary, vent the sample (ultrasonic baths, heating or adding a sur- face-active substance to reduce the surface tension) Measuring the turbidity NOTE Never pour any liquids directly into the cell shaft.
  • Page 12: Calibration

    ® Operation Turb 750 T Turbidity [IRPC] [AQA] 157.0 [3-P StdCAL] 15.01.20 15:12 The measured value is automatically output to the inter- faces (= AutoPrint). Repeat the steps 2 to 8 for further samples. Intelligent With the intelligent reproducibility and plausibility check (IRCP) a multiple reproducibility and measurement is carried out, evaluated and, by eliminating the outliers, the plausibility check...
  • Page 13 ® Turb 750 T Operation Carrying out a cali- Press the <CAL > key. bration (example: The guided calibration with the selected calibration type starts. 3-P StdCAL) Follow the instructions on the display. Turbidity Calibration i Insert standard 1000 FNU/NTU i Press and hold <START>...
  • Page 14: Maintenance, Cleaning

    ® Maintenance, cleaning Turb 750 T Turbidity i Insert sample i Press and hold <START> i Align sample [3-P StdCAL] Calibration record At the end of each calibration procedure a calibration info ( symbol) and the calibration record is displayed. For each calibration type the last calibration is stored in the calibration memory.
  • Page 15 ® Turb 750 T Maintenance, cleaning Close the battery compartment (1). Set the date and time Cleaning Occasionally wipe the outside of the measuring instrument with a damp, lint- free cloth. Disinfect the housing with isopropanol as required. NOTE The housing components are made of synthetic materials (polyure- thane, ABS and PMMA).
  • Page 16: What To Do If

    ® What to do if... Turb 750 T What to do if... General information Display, LoBat Cause Remedy – Batteries almost empty – Insert new batteries Meter does not Cause Remedy react to keystroke – Software error – Processor reset: Press the <START/ENTER >...
  • Page 17: Technical Data

    ® Turb 750 T Technical data Cause Remedy – Calibration too old – Carry out calibration Measured value Cause Remedy display – Calibration defective – Carry out calibration < 0.01 FNU/NTU – Measured value outside the – Not possible measuring range Technical data General data Dimensions...
  • Page 18: Turbidity (Turb ® 750 Ir)

    ® Technical data Turb 750 T Serial Connection of the cable AK 540/B or AK 540/S interface Baud rate Adjustable: (printer) 1200, 2400, 4800, 9600, 19200 baud Type RS232 Data bits Stop bits Parity None Handshake RTS/CTS Cable length Max. 15 m USB interface Type USB 1.1...
  • Page 19: Turbidity (Turb ® 750 T)

    ® Turb 750 T Technical data Calibration 3-P StdCAL QuickCAL FreeCAL Measuring range 0.01... 1100 FNU/NTU 0 - 40 FNU/NTU lowest - highest stan- depending on the calibra- dard FNU/NTU tion type Resolution with the setting Resolution 0.001 In the range max.
  • Page 20 ® Technical data Turb 750 T Calibration 3-P StdCAL QuickCAL FreeCAL Measuring range 0.01... 1100 NTU 0 - 40 NTU lowest - highest stan- depending on the calibra- dard NTU tion type Resolution with the setting Resolution 0.001 In the range max.
  • Page 21 ® Turb 750 T Technical data FCC Class A Equipment Statement Note: This equipment has been tested and found to comply with the limits for a Class A digital device, pursuant to Part 15 of the FCC Rules. These limits are designed to provide reasonable protection against harmful interference when the equipment is operated in a commercial environment.
  • Page 22: Disposal

    ® Disposal Turb 750 T Disposal Handle and dispose of all waste in compliance with local laws and regula- tions. EU only: Correct disposal of this product — WEEE Directive on waste electrical and electronic equipment This marking on the product, accessories or literature indicates that the product should not be disposed of with other waste at the end of its working life.
  • Page 24 Xylem also provides a leading portfolio of smart metering, network technologies and advanced analytics solutions for water, electric and gas utilities. In more than 150 countries, we have strong, long-standing relationships with customers who know us for our powerful combination of leading product brands and applications expertise with a strong focus on developing comprehensive, sustainable solutions.

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