Delta OHM HD2106.1 Manual
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Delta OHM HD2106.1 Manual

Delta OHM HD2106.1 Manual

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Our instruments' quality level is the results of the product continuous development. This
can bring about differences between the information written in this manual and the
instrument that you have purchased. We cannot entirely exclude errors in the manual, for
which we apologize.
The data, figures and descriptions contained in this manual cannot be legally asserted. We
reserve the right to make changes and correction without prior notice.
HD2106.1
HD2106.2
ENGLISH
REV. 2.1
15/04/2013

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Summary of Contents for Delta OHM HD2106.1

  • Page 1 REV. 2.1 15/04/2013 HD2106.1 HD2106.2 ENGLISH Our instruments' quality level is the results of the product continuous development. This can bring about differences between the information written in this manual and the instrument that you have purchased. We cannot entirely exclude errors in the manual, for which we apologize.

  • Page 2: Table Of Contents

    CONTENTS INTRODUCTION..............................3 KEYBOARD AND MENU DESCRIPTION ......................8 CONDUCTIVITY MEASUREMENT........................15 ..................16 UTOMATIC OR MANUAL CONDUCTIVITY COMPENSATION ..........................17 ALIBRATION OF CONDUCTIVITY Table of standard solutions at 147μS/cm, 1413μS/cm, 12.88mS/cm and 111.8mS/cm ........20 Pt100 Pt1000 T ................21 IRECT INPUT INTO EMPERATURE PROBES How to measure ..............................21 Instructions to connect the TP47 module for conductivity/temperature combined probes, 4-wire Pt100 probes, and 2-wire Pt1000 probes ........................21...

  • Page 3: Introduction

    2.0 port. The storing interval, printing, and baud rate can be configured using the menu. The HD2106.1 and HD2106.2 models are fitted with an RS232C serial port and can transfer the ac- quired measurements to a PC or to a portable printer in real time.
  • Page 4 Conductivity meter – Thermometer HD2106.1...
  • Page 5 HD2106.1 1. 8-pole DIN45326 connector, input for combined 4-ring or 2-ring conductivity/temperature probes, for direct 4-wire Pt100 temperature probes and 2-wire Pt1000 probes complete with TP47 module. 2. External auxiliary power supply connector input (positive at centre). 3. Battery symbol: displays the battery charge level.
  • Page 6 Conductivity meter – Thermometer HD2106.2...
  • Page 7 HD2106.2 1. 8-pole DIN45326 connector, input for combined 4-ring or 2-ring conductivity/temperature probes, for direct 4-wire Pt100 temperature probes and 2-wire Pt1000 probes complete with TP47 module. 2. External auxiliary power supply connector input (positive at centre). 3. Battery symbol: displays the battery charge level. 4.

  • Page 8: Keyboard And Menu Description

    KEYBOARD AND MENU DESCRIPTION Foreword The instrument keyboard is composed of single-function keys, like the MENU key, and double- function keys such as the ON-OFF/Auto-OFF key. In the double-keys, the function in the upper part is the "main function", while the one in the bottom part is the "secondary function".
  • Page 9 FUNC/ENTER key During normal measurement this enables the display and logging of the maximum (MAX), mini- mum (MIN) and average (AVG) value of the conductivity, liquid resistivity, total dissolved solids, salinity and temperature measurements, updating them with the acquisition of new samples. The acquisition frequency is once a second.
  • Page 10 The instrument has an Auto-Hold function, which can be set in the MENU, that "freezes" the meas- urement automatically when it has been stable (within 1 digit) for over 10 seconds: the message HOLD is displayed. To perform a new measurement, it is necessary to press the FUNC/ENTER key. The HOLD message starts blinking, while the display follows the actual measurement trend, until it stabilizes again and the HOLD message remains still.
  • Page 11 the capture of a sample and the next one. When the interval is lower than 60 seconds, the in- strument will always remain on. With intervals greater than or equal to 60 seconds, it is pos- sible to turn off the instrument between loggings: it will turn on at the moment of sampling and will turn off immediately afterwards, thus increasing the battery life.
  • Page 12 6) K CELL (Cell constant): sets the conductivity probe's cell constant nominal value. The values 0.01, 0.1, 0.7, 1.0 and 10 cm (with tolerances from –30% to +50% of nominal value) are admitted. The cell constant must be inserted before starting the probe calibration. An ERR signal is generated if the cell constant's actual value exceeds the limits –30% or +50% of nominal value.
  • Page 13 If no temperature probe or combined probe with temperature sensor is connected, the in- strument displays a dotted line (- - - -). 13) YEAR: to set the current year. Use the arrows to modify this parameter and confirm using ENTER.
  • Page 14 SERIAL key - only HD2106.1 SERIAL/EraseLOG key - only HD2106.2 In measurement mode, this function starts and stops the data transfer to the RS232C serial output. According to the settings entered in the Print and log interval menu item, a single sample can be printed if Print and log interval=0 or a continuous indefinite printing of the measured data can be set up if Print and log interval=1…3600.

  • Page 15: Conductivity Measurement

    This probe's temperature measuring range is 0…+90°C. 4- ring or 2- ring probes The HD2106.1 and HD2106.2 conductivity meters use 4-ring or 2-ring probes for conductivity measurement. The 4-ring probes are preferred to measure high conductivity solutions, either over an extended range or in presence of pollutants.

  • Page 16: Automatic Or Manual Conductivity Compensation

    The probes can be in glass or plastic: the first can work in presence of aggressive pollutants, the lat- ter are more resistant to collisions, and so more suitable for industrial use. Cells with temperature sensor The probes fitted with built-in Pt100 or Pt1000 temperature sensor simultaneously measure the con- ductivity and the temperature: that allows automatic correction of the effect of the latter on the solu- tion conductivity.

  • Page 17: Calibration Of Conductivity

    To point this condition out, the °C or °F symbol blinks intermittently near the temperature value. On the main display an "m" (manual) is turned on near the battery symbol (if on). The MT indica- tion is printed on the print-outs. On the other hand, if the temperature probe is present, the AT sym- bol appears.
  • Page 18 1. Turn the instrument on with the ON/OFF key. 2. Set the probe's cell constant by selecting it from the admitted values: 0.01, 0.1, 0.7, 1.0 or 10.0 3. Dip the conductivity meter cell in the calibration solution until the electrodes are covered with liquid.
  • Page 19 8. Press the CAL key. The CAL symbol is turned on. The unit of measurement (μS/cm or mS/cm) appears on the comment line. If the calibration solution conductivity is sufficiently close (-30% to +50%) to one of the standard solutions, the secondary line displays the value. Otherwise it displays the calculated value according to current settings.

  • Page 20: Table Of Standard Solutions At 147Μs/Cm, 1413Μs/Cm, 12.88Ms/Cm And 111.8Ms/Cm

    Table of standard solutions at 147μS/cm, 1413μS/cm, 12.88mS/cm and 111.8mS/cm The table reports the standard solutions automatically detected by the instrument according to tem- perature. °C µS/cm µS/cm mS/cm mS/cm °C µS/cm µS/cm mS/cm mS/cm 1147 10.48 92.5 1440 13.13 113.8 15.0 26.0...

  • Page 21: Direct Input Into Pt100 And Pt1000 Temperature Probes

    Instructions to connect the TP47 module for conductivity/temperature combined probes, 4-wire Pt100 probes, and 2-wire Pt1000 probes All Delta Ohm probes are provided with a connector. The HD2106.1 and HD2106.2 instruments also work with conductivity/temperature combined probes, direct 4-wire Pt100 probes, 2-wire Pt1000 probes manufactured by other producers: for the instrument connection is prescribed the TP47 connector to which the probe's wires should be welded.
  • Page 22 Do the following to open the module and connect a probe: Unscrew the fairlead and extract the gasket, remove the label using a cutter, unscrew the ring on the opposite side as illustrated in the figure: Open the two module shells: the printed circuit to which the temperature probe must be connected is housed inside.
  • Page 23 The wires coming from the conductivity probe are welded directly on the DIN45326 connector as reported in the following table: Sensor Direct connection to the connector DIN45326 Jumper Jumper between 2-electrode pins 1 and 4 conductivity probe Jumper between pins 2 and 5 Internal view of the connector 4-electrode conductivity...
  • Page 24 The wires coming from the conductivity/Pt100 temperature combined probe can be welded di- rectly on the connector as reported in the following table. Sensor Direct connection to the connector DIN45326 Jumper Pt100 2-ring Jumper between conductivity pins 1 and 4 probe Pt100 Jumper between...

  • Page 25: Warnings And Operating Instructions

    WARNINGS AND OPERATING INSTRUCTIONS 1. Do not expose the probes to gases or liquids that could corrode the material of the sensor or the probe itself. Clean the probe carefully after each measurement. 2. Do not bend the probe connectors or force them upward or downward. 3.

  • Page 26: Notes On Conductivity Probes

    OTES ON CONDUCTIVITY PROBES The service life of a cell can be unlimited, provided that the necessary maintenance is performed and that it does not break. Some of the most frequent problems and their possible solutions are re- ported below. Measurement of conductivity different from the expected value.

  • Page 27: Instrument Signals And Faults

    INSTRUMENT SIGNALS AND FAULTS The following table lists all error indications and information displayed by the instrument and sup- plied to the user in different operating situations: Display indications Explanation This appears if the conductivity/temperature probe is measuring a value exceeding the set measuring range.
  • Page 28 The following table reports the indications provided by the instrument as they appear on the display, together with their description. Display indication Explanation temperature coefficient α ALPH AUTO-HOLD automatic function holding the displayed measurement battery discharged - replace it immediately BATT TOO LOW - CHNG NOW baud rate value BAUDRATE...

  • Page 29: Low Battery Warning And Battery Replacement

    LOW BATTERY WARNING AND BATTERY REPLACEMENT The battery symbol on the display constantly shows the battery charge status. To the extent that batteries have dis- charged, the symbol "empties". When the charge decreases still further it starts blinking… In this case, batteries should be replaced as soon as possible. If you continue to use it, the instrument can no longer ensure correct measurement.

  • Page 30: Instrument Storage

    ALFUNCTIONING UPON TURNING ON AFTER BATTERY REPLACEMENT After replacing the batteries, the instrument may not restart correctly; in this case, repeat the opera- tion. After disconnecting the batteries, wait a few minutes in order to allow circuit condensers to discharge completely; then reinsert the batteries. ARNING ABOUT BATTERY USE •...

  • Page 31: Serial Interface And Usb

    SERIAL INTERFACE AND USB The HD2106.1 and HD2106.2 instruments are fitted with an electrically isolated RS-232C serial in- terface; the HD2106.2 also has an USB 2.0 interface. The following serial cables can be used: • HD2110CSNM: serial connection cable with 8-pole MiniDin connector on one end and 9-pole Sub D connector on the other end;...
  • Page 32 Command Response Description M=conductivity meter Model description SN=12345678 Instrument serial number Firm.Ver.=01-01 Firmware version Firm.Date=2004/06/15 Firmware date cal 0000/00/00 00:00:00 Calibration date and time Probe=Cond + Pt100 Type of probe connected to input User ID=0000000000000000 User code (set with T2xxxxxxxxxxxxxxxx) Print instrument's heading Stop printing data PRINTOUT IMMEDIATE...

  • Page 33: Storing And Transferring Data To A Personal Computer

    STORING AND TRANSFERRING DATA TO A PERSONAL COMPUTER The HD2106.1 and HD2106.2 instruments can be connected to a personal computer via an RS232C serial port or USB 2.0 port, and exchange data and information through the DeltaLog9 software running in a Windows operating environment. Both models can send in real time input measured values directly to a PC, through the PRINT function;...

  • Page 34: The Print Function

    FUNCTION PRINT The PRINT function sends the measurements taken in real time by the instrument inputs directly to a PC or a printer. Print data units of measurements are the same as those used on the display. Print- ing always includes two parameters. Each data pair is composed of: temperature in °C or °F, con- ductivity or resistivity or TDS or NaCl.

  • Page 35: Connection To A Pc

    SERIAL PORT OF THE INSTRUMENT 1. The measurement instrument must be switched off. 2. Using the Delta Ohm HD2110CSNM or C.206 cable, connect the measurement instrument to the first free RS232C (COM) or USB serial port of the PC. 3. Turn on the instrument and set the baud rate to 38400 (MENU >> ENTER until the Baud Rate parameter >>...

  • Page 36: Notes About Working And Operative Safety

    NOTES ABOUT WORKING AND OPERATIVE SAFETY Authorized use The technical specifications as given in chapter "TECHNICAL CHARACTERISTICS" must be ob- served. Only the operation and running of the measuring instrument according to the instructions given in this operating manual is authorized. Any other use is considered unauthorized. General safety instructions This measuring system is constructed and tested in compliance with the EN 61010-1 safety regula- tions for electronic measuring instruments.

  • Page 37: Instrument Technical Characteristics

    INSTRUMENT TECHNICAL CHARACTERISTICS Instrument Dimensions (Length x Width x Height) 185x90x40mm Weight 470g (complete with batteries) Materials ABS, rubber Display 2x4½ digits plus symbols Visible area: 52x42mm Operating conditions Operating temperature -5…50°C Warehouse temperature -25…65°C Working relative humidity 0…90%RH without condensation Protection degree IP66 Power Supply...
  • Page 38 Connections Conductivity input 8-pole male DIN45326 connector Input module for the temperature probes 8-pole male DIN45326 connector RS232 serial interface 8-pole MiniDin connector USB interface (only HD2106.2) Mini-USB type B connector Mains adapter (cod. SWD10) 2-pole connector (positive at centre) Measurement of conductivity by Instrument Measurement range (Kcell=0.1) / Resolution 0.00…19.99μS/cm / 0.01μS/cm...

  • Page 39: Technical Data Of Probes With Module In Line With The Instrument

    Measurement of salinity Measurement range / Resolution 0.000…1.999g/l / 1mg/l 2.00…19.99g/l / 10mg/l 20.0…199.9g/l / 0.1g/l ±0.5% ±1digit Accuracy (salinity) Measurement of temperature by Instrument Pt100 measurement range -50…+200°C Pt1000 measurement range -50…+200°C Resolution 0.1°C ±0.25°C Accuracy Drift after 1 year 0.1°C/year 0…100°C with α...

  • Page 40: And 4-Electrode Conductivity Probes

    ELECTRODE CONDUCTIVITY PROBES MEASUREMENT ORDER CODE DIMENSIONS RANGE K=0.7 5μS/cm …200mS/cm SP06T 0…90°C 4-electrode cell Pocan/Platinum K=0.01 0.04μS/cm …20μS/cm SPT401.001 0…120°C 2-electrode cell AISI 316 steel K=0.1 0.1μS/cm …500μS/cm SPT01G 0…80°C 2-electrode cell Glass/Platinum 10μS/cm …10mS/cm SPT1G 0…80°C 2-electrode cell Glass/Platinum K=10 500μS/cm …200mS/cm...

  • Page 41: Order Codes

    ORDER CODES HD2106.1 Kit including: instrument HD2106.1, 4 x 1.5V alkaline batteries, operating man- ual, case and DeltaLog9 software. HD2106.2 Kit including: instrument HD2106.2 datalogger, 4 x 1.5V alkaline batteries, op- erating manual, case and DeltaLog9 software. The conductivity probes, the temperature probes, the standard reference so- lutions and the cables have to be ordered separately.
  • Page 42 TP47 Only connector for probe connection: Pt100 direct 4 wires, Pt1000 2 wires. DELTA OHM metrology laboratories LAT N° 124 are accredited by ACCREDIA for Tem- perature, Humidity, Pressure, Photometry / Radiometry, Acoustics and Air Velocity. They can supply calibration certificates for the accredited quantities.
  • Page 43 Delta OHM presso l’Istituto Primario Nazionale di Ricerca Metrologica. The traceability of measures assigned to international and national reference samples is guaranteed by a reference chain which source is the calibration of Delta OHM accredited laboratories reference samples at the Primary National Metrological Research Institute.
  • Page 44 All DELTA OHM instruments are subject to accurate testing, and are guaranteed for 24 months from the date of purchase. DELTA OHM will repair or replace free of charge the parts that, within the warranty pe- riod, shall be deemed non efficient according to its own judgement. Complete replacement is excluded and no damage claims are accepted.

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