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Summary of Contents for Datcon DT7000
- Page 1 DT7000 Intrinsically Safe Differential Pressure Meter / Transmitter Operating Instructions...
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Page 2: Table Of Contents
DT7000 Contents 1. About this document .............4 1.1. Function ................... 4 1.2. Target group................4 1.3. Symbolism used............... 4 2. For your safety ...............5 2.1. Authorized personnel ............... 5 2.2. Appropriate use................ 5 2.3. Warning about misuse ............. 5 ... - Page 3 DT7000 7. Fault rectification ............19 7.1. Fault finding................19 7.2. Repairing................19 8. Dismounting ..............20 8.1. Dismounting procedure ............20 8.2. Disposal ................. 20 9. Appendix...............21 9.1. Technical specification ............21 9.2. Application example ............... 23 ...
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Page 4: About This Document
1. About this document 1.1. Function This operating instructions manual has all the information you need for quick set-up and safe operation of DT7000. Please read this manual before you start setup. 1.2. Target group This operating instructions manual is directed to trained personnel. -
Page 5: For Your Safety
2.5. EU conformity The DT7000 is in conformity with the provisions of the following standards: MSZ EN 60079-0:2013 (ATEX) MSZ EN 60079-0:2013/A11:2014 (ATEX) -
Page 6: Safety Information For Ex Areas
DT7000 2.6. Safety information for Ex areas Please note the Ex-specific safety information for installation and operation in Ex areas. These safety instructions are part of the operating instructions manual and come with the concerning standards of Ex-approved instruments. Warning! Electrostatic hazard. Clean the instrument housing with a moist cloth and detergent! 2.7. -
Page 7: Product Description
The scope of delivery encompasses: Delivered items • DT7000 • documentation: this operating instructions manual certification warranty The DT7000 consist of the following components: 1. instrument housing 2. front cover 3. pressure connecting stubs 4. connector sealing 5. connector 6. ground terminal 20171206-V1... -
Page 8: Principle Of Operation
For other requirements see: Chapter 9.1. Technical specification, Safety data. 3.3. Adjustment The DT7000 is calibrated for the ordered measuring range. If needed it is possible for the user to calibrate the instrument via the internal trimmer potentiometers. 3.4. Storage and transport... -
Page 9: Mounting
If the displayed value is > 1 digit in case of open pressure ports you can adjust it according Chapter 6.1. Zeroing. The protection of the instrument is IP 65. Water, humidity In a case of using DT7000 outdoor mount a shield over the instrument to protect it against strong rain. 20171206-V1... -
Page 10: Main Dimensions Of The Instrument
DT7000 4.2. Main dimensions of the instrument 20171206-V1... -
Page 11: Mounting Procedure
DT7000 4.3. Mounting procedure There are two through-holes (1), shown by arrows in the Mounting holes following figure, for fastening of the housing. The diameters of the holes are made for M4 screws. 1. Mark the places of the holes on the mounting surface in accordance with the drawing. - Page 12 DT7000 Mounting the instrument Two M4 threaded screws are needed for mounting the instrument (these are not accessories). The type of the screws depends on the wall-material, while the dimensions depend on the wall-thickness. The minimum screw-length should be the wall-thickness + 10 mm.
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Page 13: Connecting
Selection power supply The DT7000 is a two-wire 4-20 mA transmitter. The supply voltage is 12-28 VDC. For other requirements see: Chapter 9.1. Technical specification, Safety data. -
Page 14: Connection Procedure
DT7000 5.2. Connection procedure The following figure shows the wiring plan connecting the transmitter: Wiring plan, connecting the transmitter (see also “Application example”) Be careful the polarity of the cables 1. Prepare the cable for connecting (see Figure 2.). 2. Loosen the screw in the cover of the cable socket connector and remove it. - Page 15 DT7000 1. Figure 2. Figure 20171206-V1...
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Page 16: Connecting The Pressure To The Instrument
DT7000 5.3. Connecting the pressure to the instrument Use pneumatic tube with 4 mm inner diameter for connecting the pressure. Simply push the tube ends onto the pressure connection stubs. There is no need any clamp under 50 mbar pressure. -
Page 17: Setting Up
DT7000 6. Setting up 6.1. Zeroing The DT7000 is calibrated according to the measuring range given on the data label. However a small zero offset may occur caused by the shock under shipping or mounting. This can be trim by potentiometers. -
Page 18: Calibrate The Instrument
DT7000 6.2. Calibrate the instrument If necessary and if you have an adequate infrastructure for calibration you can calibrate the instrument. The calibration must be carried out by trained and authorized personnel only! First adjust the current output because it has an influence on the display value. -
Page 19: Fault Rectification
If the fault finding is not successful call the manufacturer service department. 7.2. Repairing There is no user repairable part inside the instrument. In accordance with Point 2.1.: For safety and warranty reasons, any internal work on the instrument must be carried out by DATCON personnel. 20171206-V1... -
Page 20: Dismounting
DT7000 8. Dismounting 8.1. Dismounting procedure 1. Disconnect the connector from the instrument (see chapter 5.2.). 2. Dismount the pressure tubes from the instrument (see Chapter 5.3.). 3. Remove the front cover (see Chapter 4.3.). 4. Remove the two fixing screws (see Chapter 4.3.). -
Page 21: Appendix
DT7000 9. Appendix 9.1. Technical specification Intrinsically safety data: Certification: BKI 15 ATEX 0037 X, BKI 15 ATEX 0037 X Marking: (-20 °C < Ta < +60 °C) II 2G Ex ia IIC T4 Gb Warning! Electrostatic hazard. Clean the instrument housing with a moist cloth and... - Page 22 DT7000 Display: Display: 3.5 digit, 7 segments, decimal point and negative sign Display unit: LCD, 12.7 mm character height Accuracy @ 23°C± 2°C: output signal ±1 digit Power supply: Power supply: 12-28 VDC, loop powered Ambient conditions: Operating temperature range: see table below -25 - +70 C...
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Page 23: Application Example
DT7000 9.2. Application example 20171206-V1... -
Page 24: Atex Certification
DT7000 9.3. ATEX Certification 20171206-V1... - Page 25 DT7000 20171206-V1...
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