mecoTec DP 400 Operating Instructions Manual

Pressure calibrator

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Bedienungsanleitung
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Druckkalibrator DP 400
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Version 1.2

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Summary of Contents for mecoTec DP 400

  • Page 1 Bedienungsanleitung Druckkalibrator DP 400 Version 1.2...
  • Page 2 Operating instructions Pressure calibrator DP 400 Version 2...
  • Page 3 Dear Customer, We are delighted that you have decided to buy a MECOTEC device. Please read these operating instructions for the pressure calibrator DP 400 carefully before connecting and configuring it, and operate the device in compliance with the instructions. Operational...
  • Page 4: Table Of Contents

    6.3.8 Math / Multi ..........................21   6.3.9 Zero ..............................24   6.3.10 Util .............................. 25   6.3.10.1 Device data ........................26   6.3.10.2 Sensor settings ........................ 27   6.3.10.3 Serial interface ........................ 28 Operating instructions Pressure calibrator DP 400 Version 2...
  • Page 5   6.3.11 Integrating the USB medium ..................... 29   6.3.12 Service (connecting the DP 400 with a PC) ..............30   7 Servicing ................................ 32   7.1 Maintenance ............................32   7.2 Technical advice/service ........................ 32   7.3 Returning the device ........................32  ...
  • Page 6: Description

    1 Description The DP 400 is a hand-held measuring device that can be equipped with up to four pressure measuring ranges. When using an (internal) barometric sensor, it can be used for offsettinge. The features shown and described in this manual may not be available on some models.
  • Page 7: Safety Instructions

    Severe physical injuries or damage to property may occur. Any use of the DP 400 other than the intended use is not permitted. The pressure calibrator must be handled with care. The technical specifications for the pressure calibrator listed in these operating instructions must be complied with.
  • Page 8 Claims of any kind due to incorrect use are excluded. Repairs may only be carried out by the manufacturer. Tampering with or modifying the device is not permitted. Operating instructions Pressure calibrator DP 400 Version 2...
  • Page 9: Specifications

    3 Specifications Accuracy 0.01% FS to 0.05% FS Measuring range Relative pressure See measuring range table (p. 36) Gases and fluids Permissible media See rating plate of single pressure ranges Permissible pressure Display Display 7“ touch panel; colour Warm-up time >...
  • Page 10: Preparation

    Immediately notify the shipping agent of any recognisable damage. 4.1.2 Scope of delivery Check the package contents following delivery of the DP 400 using the following list: 1) Pressure calibrator DP 400 2) AC/DC converter...
  • Page 12: Enviroment

     Potentially explosive environments or flammable atmospheres 4.3 Connections 4.3.1 Pressure connections The DP 400 is used for pressure calibration with one or optionally several channels. Each channel is used for pressure measurement. WARNING! Vent the pressure lines before connection/disconnection.
  • Page 13: Electronic Connections

    The pressure connections are located on the right side of the device. Connections: G ¼“ inside 4.3.2 Electronic connections The following connections are located on the left side of the device:  ON/OFF switch  Charging connector for battery pack ...
  • Page 14: Rs232 Interface

    WARNING! When the DP 400 is switched off, all valves are closed and no pressure value is displayed. However, there may still be compressed air in the system. To be on the safe side, the connected measuring line should be removed before switching off the device.
  • Page 15: Operation

    (5) are displayed. 6.2.1 Sensor selection The DP 400 can optionally be equipped with up to four pressure ranges. Three pressure areas are led outwards. The fourth pressure range can be used as a barometric reference sensor for offsetting. The installed pressure sensors with the pressure ranges are displayed...
  • Page 16: Function Buttons

    6.3.2 Stabilization indicator The value is given as a percentage of the full scale value in seconds. If the measured value is stable, the display changes to green. Operating instructions Pressure calibrator DP 400 Version 2...
  • Page 17: Battery Status

    6.3.3 Battery status The display has 6 bars. If only one bar is displayed, the device should be charged to display reliable readings. 6.3.4 Gauge In Gauge mode, the Scale +/- buttons can be used to set scaling with an analogue pressure gauge display.
  • Page 18: Graph

    Math / Multi interface (chapter 6.9) are displayed in different colors. Via Export data, the data can be saved as a CSV file on a USB stick. The USB stick must be integrated in advance (Chapter 6.11.4). Operating instructions Pressure calibrator DP 400 Version 2...
  • Page 19: Leak Test

    6.3.6 Leak Test After setting the external test pressure, the leak test is started by pressing the Start test button. The test duration is displayed in minutes and seconds. The pressure drop rate is displayed in mbar per minute. The test is stopped with the Stop test button. 6.3.7 Log The measurements of the sensors can be recorded individually or in parallel with offset in the Log area.
  • Page 20 The duration of the recording can be set to between 15 minutes and one day (24 hours). If inf. is selected, the recording time is unlimited. Recording begins by pressing the Start button. The message Recording is running ... is shown highlighted in red. Operating instructions Pressure calibrator DP 400 Version 2...
  • Page 21 Changing to Display mode during recording, the display at the top left shows Logging flashing in red. active...
  • Page 22: Math / Multi

    Changes must be confirmed with OK. The result is now shown in the Display mode in the line Math. Operating instructions Pressure calibrator DP 400 Version 2...
  • Page 23 Example for sensor offset (device with two sensors): Sensor 1: 1.3 bar absolute Sensor 2: 7 bar Following settings are possible: Sensor 1 0…1,3 bar A Sensor 2 0…7bar g If no operation is activated: Math value = zero. Sensor 1 0…1,3 bar A Sensor 2 0…7bar g...
  • Page 24 0…1,3 bar A Sensor 2 0…7bar g Math = Sensor 1 + Sensor 2: sum with a negative sign Sensor 1 0…1,3 bar A Sensor 2 0…7bar g Math= Sensor 1 - Sensor 2 Operating instructions Pressure calibrator DP 400 Version 2...
  • Page 25: Zero

    Sensor 1 0…1,3 bar A Sensor 2 0…7bar g Math = Sensor 2 – Sensor1 6.3.9 Zero The displayed reading is set to zero with the Zero function. Before starting each measurement, the desired pressure sensor should be set to zero. This requires the measuring connection to be opened to the atmosphere.
  • Page 26: Util

    If several sensors or the Math function are displayed at the same time, the following display is shown when pressing the Zero button: 6.3.10 Util The Util button opens a window that displays information about the device and where default device settings can be changed. Operating instructions Pressure calibrator DP 400 Version 2...
  • Page 27: Device Data

    If desired, this area can be protected with a password (4-digit number combination). If this option was requested, 1234 has been programmed on delivery. Number combinations can only be programmed by the manufacturer 6.3.10.1 Device data Detailed information like the serial number and software version of the device are shown here.
  • Page 28: Sensor Settings

    The system language can be selected via a dropdown list. German, English and French can be selected. If the DP 400 is connected to a network, its IP address(es) is(are) displayed. Chapter 6.11.5 describes how to establish a connection via the network.
  • Page 29: Serial Interface

    6.3.10.3 Serial interface The baud rate is set using the communications menu. The bus mode is still under development. The delivery condition is set to Pass-through mode: TC protocol. Terminal mode If the readings are read out via a terminal program, Terminal Mode must be selected and confirmed with OK.
  • Page 30 6.3.11 Integrating the USB medium Insert the USB stick into the DP 400. Press the Connect USB Media button. After integration, the following message is displayed: Now data can also be stored on an external USB medium in the Graph mode with the Export files button.
  • Page 31 To transfer stored data to a PC, open the Util area and access the device information via the menu About the device Now connect the pressure calibrator DP 400 to the local network via the RJ45 socket using a network cable. The IP address of the DP 400 is displayed if the connection was successful.
  • Page 32 Password: p@ssword … and confirm with Login. The directories of the DP 400 are displayed on the right. The left side shows the directories of the connected PC. The measurement data are stored in the Mecotec / User Files directory. Drag and drop data files can be copied or moved to the PC.
  • Page 33 7 Servicing 7.1 Maintenance The device must be maintained in compliance with the manufacturer’s instructions, and only by authorised service representatives or by an employee of the manufacturer’s service department. 7.2 Technical advice/service Please contact the manufacturer or supplier if you have any questions about assembly, storage, operation or any special uses of the device.
  • Page 34: Interface Description

    (str,"DHEAD %d ",(int)delta_head); // Delta- Head if available sprintf (str,"RLOW %09.0f ",range_low * 1000.0F); // range low value sprintf (str,"RHIGH %09.0f ",range_high * 1000.0F); // range high value Operating instructions Pressure calibrator DP 400 Version 2...
  • Page 35 sprintf (str,"UNIT %s;",hi_range_tab[range].dimension); // Unit of the value <CR><LF> 2) Request a single value ------------------------- Master sends: 'S' (single) DP-300 answers: " 1520.000;<CR><LF>" (Example) (9 bis 10 Zeichen) 3) Request multiple values automatically ---------------------------------------- Master sends: 'M' (multi) DP-300 answers: " 1520.000;<CR><LF>" (Example) (9 bis 10 Zeichen) The DP-300 will send a new value every time it is available.
  • Page 36 9 Table of measuring ranges   DP 400 with one of the following sensors Precision sensor 0.01% of final value, only for air, measuring absolute pressure Repeatability 0.001% of final value Hysteresis 0.001% of final value Long-term stability 0.005% of final value/year Measuring ranges 0.35 mbara….1300 mbara...
  • Page 37 7 bar 10 bar Two connections are used in case of differential pressure!   DP 400 with one of the following sensors – low pressure Measuring cells for air, absolute and overpressure, differential pressure Accuracy 0.1% FS 1 mbar, 0.15% FS 2,5 mbar, 0.12% FS...
  • Page 38 Reliable regulation with precision and control Mess- und Regelungstechnik GmbH Neuglücker Weg 2 45529 Hattingen Tel. +49 (0) 2324 9430 50 Fax +49 (0) 2324 9430 55 info@mecotec.eu www.mecotec.eu...

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