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B1203, Lugang Building, Xi'an International Port Area
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Xi'an Yunyi Instrument Co., Ltd
Integrated temperature and pressure level gauge
NegotiableUpdate on 02/10
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Overview
Product Overview: YDW series is a liquid level transmitter produced using internationally advanced diffusion silicon sensing technology. Different sensing cores can be selected according to actual applications, and a stainless steel sealing structure is used
Product Details
Product Overview:
The YDW series is a liquid level transmitter produced using internationally advanced diffusion silicon sensing technology. Different sensing cores can be selected according to actual applications, and a stainless steel sealing structure is used. There can be multiple signal outputs, with a wide range of measurement range, good long-term stability, anti clogging, and no blockage caused by viscous media during the measurement process. The integrated structure design is suitable for pressure measurement and control of viscous media such as sewage, chemical coatings, paints, mud, asphalt, crude oil, etc. with high impurities. Suitable for various places that require precise measurement of fluid pressure, such as petrochemical, environmental monitoring, water conservancy engineering, oil tanks, and other occasions for liquid level measurement.
Product features:
Simple exterior design, high cost-effectiveness, anti clogging, good linearity
Easy to install, easy to clean, directly put into the medium for use
Waterproof ventilation cable tightly connected to the casing
All stainless steel packaging, measuring end with stainless steel isolation membrane
Small temperature drift, high precision, stable and reliable performance
Can replace similar imported products
Excellent EMC performance, compliant with CE certification
Provide OEM services and accept customer customization
Applied in the field of liquid level measurement for environmental water conservancy such as river water, sewage, and deep sludge
By using a ventilation waterproof adapter device, it can effectively prevent the influence of atmospheric pressure on accuracy and improve
External dimensions:
Specification Description:
Protocol Explanation:
9600, N, Meaning of 8,1: 9600bps, no checksum, 8-bit data bit, 1-bit stop bit
readlifeorderchecktype（03 workabilitya sign or object indicating number）：
Specification Description:
| Serial Number | Function | Parameters | Serial Number | Function | Parameters |
| 1 | Range of measurement | 0~0.5m... 5m... 10m... 200mH2o optional | 6 | Supply Voltage | 12～36（24）VDC; 5VDC; 10VDC |
| 2 | output signal | 4-20mA;0-5V; 0.5-4.5V;0-10V; | 7 | Working temperature range | 0～50℃ |
| 3 | Comprehensive accuracy | 0.5%FS； 0.25%FS | 8 | Compensed Temperature Range | 0～50℃ |
| 4 | Overload pressure | 1.5x FS | 9 | protection grade | IP65/IP67 |
| 5 | electrical interface | Direct lead wire | 10 | Product materials | 316 stainless steel |
Protocol Explanation:
9600, N, Meaning of 8,1: 9600bps, no checksum, 8-bit data bit, 1-bit stop bit
readlifeorderchecktype（03 workabilitya sign or object indicating number）：
| address | function code | Data Start (H) |
Data Start (L) |
Number of data (H) |
Number of data (L) |
CRC16 (L) |
CRC16 (H) |
| 0X01 | 0X03 | 0X00 | 0X04 | 0X00 | 0X01 | 0XC5 | 0XCB |
returncirclereadlifeorderchecktype：
| address | function code | Length | Data (H) | Data (L) | CRC16 (L) |
CRC16 (H) |
| 0X01 | 0X03 | 0X02 | 0X00 | 0X01 | 0X79 | 0X84 |
writelifeorderchecktype(06 functiona sign or object indicating number）Example:
| address | function code | Data Start (H) |
Data Start (L) |
Data (H) | Data (L) | CRC16 (L) |
CRC16 (H) |
| 0X01 | 0X06 | 0X00 | 0X00 | 0X00 | 0X02 | 0X08 | 0X0B |
returncirclewritenumberoccupychecktype:give an example
| address | function code | Data Start (H) |
Data Start (L) |
Data (H) | Data (L) | CRC16 (L) |
CRC16 (H) |
| 0X01 | 0X06 | 0X00 | 0X00 | 0X00 | 0X02 | 0X08 | 0X0B |
groundssitespeakbright：
| address | data format | Number of data | significance |
| 0X04 | Read the liquid level value | 2 | 4 fixed decimal places |
| 0X05 | Read temperature values | 2 | 1 fixed signed number |
| 0X06 | Write liquid level coefficient | 2 | 4 fixed decimal places |
| 0X07 | Write temperature coefficient | 2 | 4 fixed decimal places |
Example of data format:
| Read data broadcast Read data address 00 | |
| sending | 00 03 00 04 00 01 C4 1A//Read 1 bit of data |
| return | 02 03 02 34 7D 2A A5 |
| sending | 00 03 00 04 00 02 84 1B//Read the two digits of data after 04, liquid level and temperature |
| return | 02 03 04 34 C3 00 C5 F7 6C |
| sending | 00 03 00 05 00 01 95 DA//Read 05 address, temperature data |
| return | 02 03 02 00 C7 BD D6 |
| sending | 02 03 00 04 00 01 C5 F8//Read data according to address |
| return | 02 03 02 33 BA 69 07 |
| Write data broadcast read data address 00 | |
| sending | 00 06 00 00 00 01 49 DB//Change the address to 01 |
| return | 01 06 00 00 00 01 48 0A // |
| sending | 00 06 00 06 2A F8 76 F8//Liquid level coefficient 1.1000 to four decimal places |
| return | 01 06 00 06 2A F8 77 29 |
| sending | 00 06 00 06 27 10 72 26//Liquid level coefficient 1.1000 to four decimal places |
| return | 01 06 00 06 27 10 73 F7 |
| sending | 00 06 00 07 2A F8 27 38//Temperature coefficient 1.1000 4 decimal places |
| return | 01 06 00 07 2A F8 26 E9 |
| sending | 00 06 00 07 27 10 23 E6//Temperature coefficient 1.0000 4 decimal places |
| return | 01 06 00 07 27 10 22 37 |
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