Delta OHM HD2304.0 Manual
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Delta OHM HD2304.0 Manual

Delta OHM HD2304.0 Manual

Manometer thermometer
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REV. 1.6
nd
July 2
2014
HD2304.0
MANOMETER – THERMOMETER
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.
The data, figures and descriptions contained in this manual cannot be legally asserted. We
reserve the right to make changes and corrections without prior notice.

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Summary of Contents for Delta OHM HD2304.0

  • Page 1 REV. 1.6 July 2 2014 HD2304.0 MANOMETER – THERMOMETER 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 Manometer - Thermometer HD2304.0...
  • Page 3 HD2304.0 1. Input for probes, 8-pole DIN45326 connector. 2. Battery symbol: displays the battery charge level. 3. Function indicators. 4. Secondary display line. 5. DATA/ENTER key: during normal operation displays the maximum (MAX), the minimum (MIN) and the average (AVG) of current measurements; in the menu, confirms the current selection.

  • Page 4: Table Of Contents

    TABLE OF CONTENTS 1. GENERAL CHARACTERISTICS ..........................5 2. DESCRIPTION OF THE FUNCTIONS ........................6 3. MENU .................................... 9 4. PROBES AND MEASUREMENTS .......................... 10 4.1 PP471 ....................10 MODULE FOR PRESSURE MEASUREMENT 4.2 Pt100 ..........................11 TEMPERATURE PROBE 4.2.1 Temperature measurement ..........................11 4.2.2 Connecting the TP47 connector ........................

  • Page 5: General Characteristics

    1. GENERAL CHARACTERISTICS The Manometer - Thermometer Model HD2304.0 is a portable instrument that allows measurement of absolute, relative and differential pressure, and temperature. The PP471 electronic module is used to measure the pressure. The module works as an interface between the instrument and the TP704 and TP705 series Delta Ohm probes.

  • Page 6: Description Of The Functions

    2. DESCRIPTION OF THE FUNCTIONS The keyboard of the Manometer – Thermometer Model HD2304.0 is composed of double-function keys. The function on the key is the "main function", while the one above the key is the "secondary function". When the instrument is in standard measurement mode, the main function is active.
  • Page 7 CLR/ESC key The "CLR" key has two functions: CLEAR (CLR): allows to reset the maximum (MAX), minimum (MIN) and average (AVG) value of the captured measurements; ESC: once the MENU has been opened with the DATA+UNIT keys, the CLR key will allow to cancel the parameters set using the ...
  • Page 8 UNIT/MENU key The "UNIT" key is used for the following functions: UNIT: by pressing this key the unit of measurement of the input probe is selected: the unit of measurement will appear in the upper part of the display; the measured value will be displayed in the central line.

  • Page 9: Menu

    If direct 4 wire "Pt100" probes that are not manufactured by "Delta Ohm" are connected to the instrument, the NO_PRBE_SER_NUM message is displayed .

  • Page 10: Probes And Measurements

    4.1 PP471 MODULE FOR PRESSURE MEASUREMENT The PP471 module acts as an interface between the TP704 and TP705 series Delta Ohm probes and the instrument. The TP704 series pressure probes have a 1/4" BSP threaded male connection, and must be screwed into the system using the necessary sealing gaskets.

  • Page 11: Pt100 Temperature Probe

    4.2.2 Connecting the TP47 connector All probes produced by Delta Ohm are provided with a connector. The HD2304 also work with direct 4 wire Pt100 probes manufactured by other producers: for the instrument connection is prescribed the TP47 connector to which the probe’s wires should be welded.
  • Page 12 5. open the two module shells: the printed circuit to which the probe must be connected is housed inside. On the left there are the 1…4 points on which the sensor wires must be welded. The JP1…JP4 jumpers are in the center of the board. These must be closed with a tin bead for some type of sensors: Not Used Ni1000...

  • Page 13: Direct Connection Of 4 Wire Pt100 Sensors

    4.2.3 Direct connection of 4 wire Pt100 sensors 4 wire Pt100 sensors can be soldered directly Sensor Direct soldering to the connector to the pins of the flying female connector without making use of the TP47 board. The 4 wires of the Pt100 sensors have to be soldered as indicated in the figure on the left.

  • Page 14: Warnings

    5. WARNINGS 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. Some pressure probe model are suitable for measurement of non corrosive gases or air and dry and not liquid only: check the membrane compatibility with the plant fluid.

  • Page 15: Instrument Signals And Faults

    6. INSTRUMENT SIGNALS AND FAULTS The following table lists all error indications and information displayed by the instrument and supplied to the user in different operating situations: Display indications Explanation This appears if the SICRAM module connected to the channel has already been PROB detected by the instrument, but is disconnected.

  • Page 16: Instrument Storage

    7. INSTRUMENT STORAGE Instrument storage conditions: Temperature: -25…+65°C. Humidity: less than 90%RH without condensation. Do not store the instrument in places where: humidity is high; the instrument may be exposed to direct sunlight; the instrument may be exposed to a source of high temperature; the instrument may be exposed to strong vibrations;...

  • Page 17: Low Battery Warning And Battery Replacement

    8. LOW BATTERY WARNING AND BATTERY REPLACEMENT The battery symbol on the display constantly shows the battery charge status. To the extent that batteries have discharged, 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 18: Notes About Working And Operative Safety

    9. NOTES ABOUT WORKING AND OPERATIVE SAFETY Authorized use The technical specifications as given in chapter TECHNICAL CHARACTERISTICS must be observed. 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 regulations for electronic measuring instruments.

  • Page 19: Technical Characteristics

    10. TECHNICAL CHARACTERISTICS – T 10.1 T ECHNICAL INFORMATION ON THE ANOMETER HERMOMETER Instrument Dimensions (Length x Width x Height) 140 x 88 x 38 mm Weight 160 g (complete with batteries) Material Display 2x4½ digits plus symbols Visible area: 52x42mm Operating conditions Operating temperature -5 50°C...

  • Page 20: O N Line Instrument Probes And Modules Technical Data

    N LINE INSTRUMENT PROBES AND MODULES TECHNICAL DATA 10.2.1 Pressure measurement by module PP471 All TP704 and TP705 series Delta Ohm probes can be connected to the PP471 module. See the table below for the technical specifications of the individual probes.

  • Page 21: Temperature Probes Pt100 Using Sicram Module

    10.2.2 Temperature probes Pt100 using SICRAM module Model Type Application range Accuracy ±0.25°C (-196°C…+350°C) -196°C…+500°C TP472I Immersion ±0.4°C (+350°C…+500°C) ±0.25°C (-50°C…+350°C) -50°C…+400°C TP472I.0 Immersion ±0.4°C (+350°C…+400°C) ±0.25°C (-50°C…+350°C) -50°C…+400°C TP473P.0 Penetration ±0.4°C (+350°C…+400°C) ±0.3°C (-50°C…+350°C) TP474C.0 Contact -50°C…+400°C ±0.4°C (+350°C…+400°C) TP475A.0 -50°C…+250°C ±0.3°C (-50°C…+250°C)

  • Page 22: Order Codes

    11. ORDER CODES HD2304.0 The kit is composed of the HD2304.0, 3 1.5V alkaline batteries, operating manual, and case. The SICRAM interface module PP471 and probes must be ordered separately. 11.1 P SICRAM ROBES COMPLETE WITH MODULE PRESSURE MEASUREMENT PROBES...
  • Page 23 CERTIFICATO DI CONFORMITÀ DEL COSTRUTTORE MANUFACTURER’S CERTIFICATE OF CONFORMITY rilasciato da issued by DELTA OHM SRL STRUMENTI DI MISURA DATA 2014/07/02 DATE Si certifica che gli strumenti sotto riportati hanno superato positivamente tutti i test di produzione e sono conformi alle specifiche, valide alla data del test, riportate nella documentazione tecnica.
  • Page 24 All DELTA OHM instruments have been subjected to strict tests and are guaranteed for 24 months from date of purchase. DELTA OHM will repair or replace free of charge any parts which it considers to be inefficient within the guarantee period. Complete replacement is excluded and no request of damages are recognized.

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