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HART HK51 Скачать руководство пользователя страница 11

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4. Installation

4.1 General installation instructions

◆ Installation may cause deviations in measured values. For example, when

measuring in an empty container, the measured value displayed is not 0. Zero

shift correction can be performed by local three buttons or by remote operation.

◆ For general installation requirements of pressure pipe, please refer to the DIN

19210 standard "Fluid Measurement Method"; “differential pressure pipeline of

flow measurement equipment”, or related national or international standards.

Easy to commission, install and maintain the instrument with a three-valve or

five-valve set without interrupting the process.

◆ When installing the pressure pipe outdoors, take adequate anti-freezing

protection measures, such as pipe heating.

◆ Inclining installation angle of the pressure pipeline shall be at least 10%.

◆ Do not use hard or sharp objects to clean or touch the diaphragm seal.

◆ The maximum rotation angle of housing is 380° to ensure the best readability

of the field display unit.

◆ The live display can be rotated by 90° .

◆ The company provides right angle or flat mounting brackets for the

instrument.

4.2 On-site installation

The smart transmitters produced by our company can be installed directly on

the pipeline or directly on the wall and on the instrument panel. The figure

below shows different installation forms (user selectable).

Differential pressure transmitter

Diagram of installation using a right angle bracket

Diagram of installation using a plate bracket

Pressure transmitter

Monocrystalline Silicon High Stability Transmitter

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Содержание HK51

Страница 1: ...Monocrystalline Silicon Smart Pressure Transmitter Operation Manual HK51 HK55 ...

Страница 2: ... instrument is supplied Starting from the date of purchase the company will carry out unconditional free maintenance or free replacement for products that are indeed defective within the one year warranty period if the company receives notification of such defects from users The company guarantees lifetime maintenance for all products In order to comply with the principle of sustainable developmen...

Страница 3: ...stics 08 3 2 Dimension figure 10 4 Installation 12 4 1Conventional installation instruction 12 4 2 On site installation 12 4 3 Installation location 13 4 4 Installation in dangerous places 13 4 5 Notes for using explosive proof transmitter 14 4 6 Measurement method 15 5 Wiring 17 5 1 Wiring device 17 5 2 Wiring method 17 6 Debugging 19 6 1 Local three button debugging 19 7 Maintenance and troubles...

Страница 4: ...l result in serious or fatal injury Attention Attention Alert information icons of operation and other effects Does not cause personal injury 1 3 Electric icon Icon Description Icon Description DC AC DC and AC Ground connection The operator recognizes by default that this ground terminal has been reliably grounded through the grounding system Before the protective ground connection is made for sub...

Страница 5: ...e Verifying measurement conditions When measuring special fluids and cleaning fluids the company is pleasant to help verify the corrosion resistance of fluid connection parts but do not guarantee or assume any responsibility 2 3 Workplace safety When operating equipment Compliance with alliance national regulations personnel shall wear protective equipment Turn off the power before wiring the devi...

Страница 6: ... designed based on engineering practice and meets the most advanced and stringent safety requirements It is safe to use through factory testing The measuring equipment meets general safety requirements and legal requirements It also meets requirements of the CE Directive in the Equipment CE Declaration of Conformity The company ensures that the measuring equipment with CE mark complies with this r...

Страница 7: ...rotect the transmitter from effects of temperature static pressure and overpressure and minimize on site comprehensive measurement error 3 Flexible range compression Micro range 0 6kPa ratio 3 1 Medium range ratio 10 1 Maximum range ratio 10 1 4 Excellent operability and ease of use 5 digits with backlit LCD digital display Multiple display functions Pa kPa MPa psi Built in three button shortcut o...

Страница 8: ...ng 15cm or more Please avoid parallel wiring Saturation current upper limit 20 8mA Lower limit 3 8mA Alarm current upper limit 22 8mA Lower limit 3 6mA Adjustment function Zero point and full scale point can be adjusted on site from the top three buttons of the outer casing or can be adjusted remotely by using configuration software Zero migration Can migrate within the range of 20 to 20 of the ma...

Страница 9: ...will not cause zero drift If the installation position and the diaphragm surface change by more than 90 zero drift within the range of 0 4KPa can be corrected by zero adjustment Response time 90ms Damping Time constant can be adjusted within 0 99 9 seconds Filter constant Can be adjusted within 0 160uA Self stability factor Can be adjusted within 0 2 3 2 Dimensional drawing Differential pressure s...

Страница 10: ...11 Pressure transmitter Monocrystalline Silicon High Stability Transmitter ...

Страница 11: ...ors take adequate anti freezing protection measures such as pipe heating Inclining installation angle of the pressure pipeline shall be at least 10 Do not use hard or sharp objects to clean or touch the diaphragm seal The maximum rotation angle of housing is 380 to ensure the best readability of the field display unit The live display can be rotated by 90 The company provides right angle or flat m...

Страница 12: ...ble in intrinsically safe and explosion proof versions Explosion proof and intrinsically safe instruments comply with provisions of GB3836 1 2000 General Requirements for Explosion proof Electrical Equipment in Explosive Atmosphere The internal cavity of smart explosion proof transmitter type can withstand an explosion and the internal explosion does not cause explosion of the externally specified...

Страница 13: ...nd observe the principle of open the cover after power off during maintenance Intrinsically safe products shall be matched with safety barriers LB987S MTL787S E787 etc recognized by the explosion proof inspection agency when installed on site to constitute an intrinsically safe explosion proof system In order to install with other types of safety barriers it is necessary to obtain approval from an...

Страница 14: ...e tap shall be open at the top or side of the process pipeline And the transmitter shall be placed beside or above the process piping so that accumulated liquid can easily flow into the process pipeline Steam measurement When measuring steam flow the pressure port is open on the side of the process pipeline and the transmitter is installed under the pressure port so that the condensate can be fill...

Страница 15: ... pressure of the container shall be subtracted from the measured bottom pressure of the container Thus open pressures tap on top of the container and connect to the low pressure side of the transmitter so that the pressure in the container acts on both the high and low pressure side of the transmitter As a result differential pressure obtained is proportional to product of the liquid level and spe...

Страница 16: ...aintain the same temperature To avoid friction influence diameter of the pressure pipe shall be large enough There shall be no gas in the liquid filled pressure pipe When using spacer liquid liquid on both sides of the pressure pipe shall be the same 5 Connection 5 1 Connecting device Warning There is a risk of electric shock When operating voltage is higher than 35V DC There is dangerous voltage ...

Страница 17: ... control and equipment respectively it is possible to obtain the best shielding effect to prevent interference impact on the measurement When there is strong equalizing current in the factory the shielding layer is only connected at one end It is recommended to ground the transmitter end When using in a hazardous area comply with applicable regulatory requirements Additional technical data and ope...

Страница 18: ...m M S Z M button Z button S button 6 1 2 Introduction to display structure Progress display area output percentage Digital main display area displays 5 digit value Character display area displays 8 English uppercase and lowercase characters Monocrystalline Silicon High Stability Transmitter ...

Страница 19: ...20 6 1 3 Three button debugging diagram Monocrystalline Silicon High Stability Transmitter ...

Страница 20: ...ote the following 1 Remove the transmitter from operating points before disassembling the sensor body 2 Temperature and pressure circulation experiments shall be performed after reassembly to ensure accuracy of the transmitter 3 Remove four bolts to disassemble the pressure chamber 4 Clean the isolation diaphragm with a soft cloth or a mild detergent and rinse with water 5 To facilitate installati...

Страница 21: ...22 7 3 Display error code Current is not calibrated Sensor error Exceeding the display range Monocrystalline Silicon High Stability Transmitter ...

Страница 22: ...lished on the website 2 Please consider carefully when purchasing if there is no quality problem it shall not be returned II No after sales service is provided in any of the following cases whether or not it is within the warranty period 1 Artificial surface corrosion cracks or bumps and damage caused by abnormal installation use and maintenance 2 Delivery period of the product exceeds warranty pe...

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