Related Manuals for HENGKO HG808-D
Summary of Contents for HENGKO HG808-D
- Page 1 Sense a Better World ！ HG808 - D On-line Display Dew Point Transmitter Users Manual V1.1 HENGKO Technology Co., Ltd.
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Page 2: About Us
For over 20 years of deep cultivation in the industry, HENGKO has taken the mission of "solving the filtration, perception, and analysis problems in the gas and liquid world, making life healthier", continuously improving... - Page 3 HG808-D on-line display Dew Point Transmitter User Manual V1.1 measurement solutions. HENGKO's products are widely used in industries such as automotive manufacturing, rail transit, aviation, high-speed rail, biopharmaceuticals, gases, compressed air, electronic devices, smart agriculture, warehouses, logistics, and food processing.
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Page 4: Table Of Contents
HG808-D on-line display Dew Point Transmitter User Manual V1.1 Catalogue About Us ..............2 1. Product Introduction ..........5 2. Technical Parameter ..........9 3. Product Selection ........... 11 4. Probe Type ............. 12 5. Wiring ..............14 6. Instrument operation ..........18 7. -
Page 5: Product Introduction
HG808-D on-line display Dew Point Transmitter User Manual V1.1 1. Product Introduction 1.1. Product Overview HG808-D series on-line display dew point transmitter is a reliable and durable dew point meter designed for measuring low dew point data in extremely low humidity conditions. - Page 6 HG808-D on-line display Dew Point Transmitter User Manual V1.1 equipment, and other working conditions. In addition, the HG808-D on-line display dew point transmitter is commonly used for humidity detection in air separation nitrogen production, air, dry gas, compressed gas, natural gas, liquefied gas, high-temperature sintering...
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Page 7: Product Overview
HG808-D on-line display Dew Point Transmitter User Manual V1.1 1.2. Product Overview 1=Keys 2=LCD display screen 3=Aluminum alloy upper cover 4=Aluminum alloy lower cover 5=Sensor power cable 6=Sensor probe input cable 7=Sensor probe (stainless steel) - Page 8 HG808-D on-line display Dew Point Transmitter User Manual V1.1 1.3. Function Features Split type probes with strong anti pollution and oil resistance capabilities. Simultaneously supporting RS485 output and two analog outputs. Analog output with 15 high-resolution bits, digital ...
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Page 9: Technical Parameter
HG808-D on-line display Dew Point Transmitter User Manual V1.1 Technical Parameter Range and Accuracy Dew point range -60 ~ 90°C (Within the interval, it can be set as needed) Dew point accuracy ±2°C (± 3.6 °F) Td (See Figure 1) Temperature range -50 ~ +150°C... - Page 10 HG808-D on-line display Dew Point Transmitter User Manual V1.1 Measurement values Dew Point Measurement range -60 ~ 90°C Accuracy ±2°C (± 3.6 °F) Td Accuracy within the dew point range Temperature Measurement range 50 ~ +150°C Accuracy ±0.1℃（@20℃） Accuracy of temperature...
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Page 11: Product Selection
HG808-D on-line display Dew Point Transmitter User Manual V1.1 Product Selection Low dew point HG808-D Low humidity Split 0 Split 8 (With a protective cover, the (With a protective cover, the Probe Type total length is 40mm) total length is 103mm) -
Page 12: Probe Type
HG808-D on-line display Dew Point Transmitter User Manual V1.1 4. Probe Type Probe Type The probes of HG808-D transmitter are equipped with Hengko stainless steel sintered filters. The conventional probe structure is as follows (other installation methods can be customized according to... -
Page 13: Probe Installation
HG808-D on-line display Dew Point Transmitter User Manual V1.1 Type Probe Description Picture Probe size Compact and compact in structure, with optional hexagonal Split thread size, suitable for type threaded fastening probe 0 work environments installation through box walls, easy to install. -
Page 14: Wiring
HG808-D on-line display Dew Point Transmitter User Manual V1.1 5. Wiring The transmitter output adopts an 8-core cable, and the functions of each color wire core are defined as follows： Please check the transmitter wiring to prevent damage to the transmitter due to incorrect wiring! Please wire transmitters with different analog output types according to the diagram below. - Page 15 HG808-D on-line display Dew Point Transmitter User Manual V1.1 4-20mA Current Type Wiring Diagram ： Please double-check the sensor wiring before powering on to prevent damage to the sensor due to the wrong wire!
- Page 16 HG808-D on-line display Dew Point Transmitter User Manual V1.1 0-5V Voltage Type Wiring Diagram ： Please double-check the sensor wiring before powering on to prevent damage to the sensor due to the wrong wire!
- Page 17 HG808-D on-line display Dew Point Transmitter User Manual V1.1 0-10V voltage type wiring diagram ： Please double-check the sensor wiring before powering on to prevent damage to the sensor due to the wrong wire!
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Page 18: Instrument Operation
HG808-D on-line display Dew Point Transmitter User Manual V1.1 6. Instrument operation The meter runs automatically after powering on, and when it starts, the model number of the table HG-808 will be displayed, as shown in the following figure: <... -
Page 19: Real-Time Monitoring
HG808-D on-line display Dew Point Transmitter User Manual V1.1 < > Real-time monitoring Press the button on the panel to enter the single data display mode. Temperature， humidity and dew point are displayed alternately every second, and the data is automatically refreshed. - Page 20 HG808-D on-line display Dew Point Transmitter User Manual V1.1 Press the button on the panel to switch to the simultaneous display mode of temperature, humidity, and dew point, as shown in the following figure...
- Page 21 HG808-D on-line display Dew Point Transmitter User Manual V1.1 <Parameter settings> Press the button to display the interface that requires entering a password, as shown in the following figure: After entering the password of “ 100 ” , press the Set...
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Page 22: User Plc Analog Range Setting
HG808-D on-line display Dew Point Transmitter User Manual V1.1 7. User PLC analog range setting Test tool interface: The temperature simulation output range (℃) should be -60~150 (as shown in the figure below) User PLC analog range setting: (Connect channel one to the temperature signal line and channel... - Page 23 HG808-D on-line display Dew Point Transmitter User Manual V1.1 After the setting is completed, the measured values of the analog quantity can be read through the PLC. Channel 1 is the temperature value, and channel 2 is the dew point value (as shown in the following figure):...
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Page 24: Analog Output Calculation
HG808-D on-line display Dew Point Transmitter User Manual V1.1 8. Analog output calculation 4-20mA current type output signal conversion calculation: For example: The range is -40~+80°C, 4~20mA output, when the output signal is 12mA, the current temperature value is calculated. - Page 25 HG808-D on-line display Dew Point Transmitter User Manual V1.1 0-5V voltage type output signal conversion calculation: For example: The range is -40~+80°C, 0-5V output, when the output signal is 3V, the current temperature value is calculated. The span of this temperature range is 120°C, which is expressed by a 5V voltage signal, 120°C/5V=24 °C/V,...
- Page 26 HG808-D on-line display Dew Point Transmitter User Manual V1.1 0-10V voltage type output signal conversion calculation: For example: Measuring range -40~+80°C, 0-10V output, when the output signal is 5V, calculate the current temperature value. The span of this temperature range is 120°C, which is...
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Page 27: Heat Anti-Condensation
HG808-D on-line display Dew Point Transmitter User Manual V1.1 9. Heat anti-condensation To enable the heating and anti-condensation function, go to the HG602&808 Test Tools program and click the button on the heating function bar<ON>. minutes activating heated After anti-condensation function, the heated anti-condensation function will be automatically turned off. -
Page 28: Communication Protocols
HG808-D on-line display Dew Point Transmitter User Manual V1.1 10. Communication Protocols Communication protocol: Modbus-RTU Default communication mode: 9600pbs,n,8,1, Address: The default value is 1 Downlink Packet Format (PLC → Instrument): Number Address Start Function CRC-16 Code Address Registers 2byte... - Page 29 HG808-D on-line display Dew Point Transmitter User Manual V1.1 The function codes used in this product are as follows： Function Code Function Description (hexadecimal) Read input register Write a single hold register...
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Page 30: Register Address
HG808-D on-line display Dew Point Transmitter User Manual V1.1 Register address： Register Register Implication Bytes and data types type Address 2 bytes, Temperature 0X0000 signed integer, value magnified 100 times 2bytes, 0X0001 Humidity value unsigned integer, magnified 100 times 2 bytes,... - Page 31 HG808-D on-line display Dew Point Transmitter User Manual V1.1 4 bytes, 0X0008 Temperature signed integer, value 0X0009 magnified 1000 times 4 bytes, 0X000A Humidity value unsigned integer, 0X000B magnified 1000 times 4 bytes, 0X000C Dew point value signed integer, 0X000D...
- Page 32 HG808-D on-line display Dew Point Transmitter User Manual V1.1 <03 Function code - Read full data with a resolution of 2 decimal places> Host query frame format(Hexadecimal): Transmitter response frame format（Hexadecimal） Eg： Tem 26.27°C， Humidity 30.55%RH， Dew point 9.01℃ The temperature and humidity calculation example is as...
- Page 33 HG808-D on-line display Dew Point Transmitter User Manual V1.1 When the temperature value is negative, the data is uploaded as a complement. For example, if the temperature is =0XFF37, it is converted to decimal: -201, divided by 100, the temperature is -2.01°C Status values: Analyzed by bit.
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Page 34: High Priority
HG808-D on-line display Dew Point Transmitter User Manual V1.1 : Reading the temperature value (33.21°C) Example Down (upper computer /PLC) : 01 03 00 00 00 01 84 0A Up (Sensor/transmitter) : 01 03 02 0C F9 7D 06 Example 2: Reading the Dew Point Value (15.86°C) - Page 35 HG808-D on-line display Dew Point Transmitter User Manual V1.1 <06 Function code - Set address > Format of the frame sent by the host (for example, 0X08=8) : Register address Date length CRC-16 Function （H,L） （H,L） （L,H） 0X00 0X06 0X01，0X00 0X00，0X08...
- Page 36 HG808-D on-line display Dew Point Transmitter User Manual V1.1 <06 Function code - Set baud rate > Host frame delivery format (for example, set the baud rate to 9600bps) : The transmitter response frame is the same as the host...
- Page 37 HG808-D on-line display Dew Point Transmitter User Manual V1.1 <06 Function code - Enable/Disable anti-condensation Settings > Open Settings: 00 06 01 09 00 01 98 25 Off setting: 00 06 01 09 00 00 59 E5 Note: During opening, the temperature of the probe will rise, which will affect the accuracy of the dew point value.
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Page 38: Maintenance And Troubleshooting
HG808-D on-line display Dew Point Transmitter User Manual V1.1 11. Maintenance and Troubleshooting <Sensor cleaning> The main body of the transmitter can be wiped and cleaned with a lint free damp cloth. Do not immerse the transmitter in liquids, and do not use cleaning agents or solutions. - Page 39 HG808-D on-line display Dew Point Transmitter User Manual V1.1 <Troubleshooting> Fault： After RS485 connection, there is no communication message. Possible causes and solutions: It may be a wiring error or communication parameter error. Please carefully check the wiring and address, baud rate, register address, and other settings.
- Page 40 HG808-D on-line display Dew Point Transmitter User Manual V1.1 Fault： There is a communication message, and the upper computer cannot display data. Possible causes and solutions: Some PLCs or DCS can only parse sensor data with a resolution of 0.1. HG808 provides two types of data with resolutions of 0.01 and 0.1.
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Page 41: Testing Software Download Link
HG808-D on-line display Dew Point Transmitter User Manual V1.1 12. Testing Software Download link: Software download link: www.hkometer.com/download/ www.hengko.cn/download/... -
Page 42: Note
HG808-D on-line display Dew Point Transmitter User Manual V1.1 13. Note 1. The product should be fully connected to the receiving end such as PLC or computer before connecting to the power supply; Do not connect the sensor or receiver after power is applied;... -
Page 43: Safety And Warnings
HG808-D on-line display Dew Point Transmitter User Manual V1.1 Safety and warnings Before using the product, please read the user manual carefully. When operating according to the procedures detailed in this manual, the product is safe. Do not apply this product to measuring situations greater than the maximum value stated in the manual. -
Page 44: Contact Us
HG808-D on-line display Dew Point Transmitter User Manual V1.1 供扰和技术难题，助力客户不断地提 高产品争力，保持长期的市场竞争、 阀门、流体、半导体、航空、新能源、 食品、业等众多应用领域，从技术设 计方面支持客户…… Contact Us HENGKO Technology Co., Ltd. Address: No. 51-3, Fuan West Road, Pinghu Street, Longgang District, Shenzhen, Guangdong, 518111 China Contact number: 0086-0755-88823250 E-mail: ka@hengko.com Website: www.hengkometer.com...
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