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產品優(yōu)勢：

芯片：
進口陶瓷壓阻芯體；
選進的貼片工藝，具有零點、滿量程補償、溫度補償；
靜壓式液位/水位測量原理；

信號處理及輸出：
24位ADC采樣處理芯片；
DSP數(shù)字信號調理算法；
多點性線溫度校準；
電壓電流過載保護；
四位顯示表頭，小數(shù)位可調；表頭采樣速率：10次/S
標準工業(yè)信號輸出：4-20mA(二線制);

數(shù)字通訊信號輸出：RS485-RTU、超低功耗RS485-RTU
采用先進的32bit微處理器和24bit ADC
傳輸協(xié)議采用通用的MODBUS-RTU協(xié)議
支持波特率：1200~57600bps，校驗位：NONE、ODD、EVEN
支持用戶二次校準、清零、反清零、恢復出廠等操作
支持11種單位切換，支持浮點型、整型、百分比、格式化輸出
采集間隔0~43200秒(12小時)可設，既可連續(xù)采集，滿足高速采集的場合，也可單次觸發(fā)采集，最大限度降低功耗

結構：
外殼材料采用耐腐蝕進口聚四氟乙烯(鐵氟龍)材料；
IP68密封防水電氣出線；
專用鐵氟龍液位電纜

應用：
海水、鹽水的水位測量與監(jiān)控；
PH值3-11的液位測量與監(jiān)控；
化工等腐蝕性液體的液位測量與監(jiān)控；

Chip:
Imported ceramic piezoresistive core body;
The selected mounting process has zero point, full range compensation and temperature compensation;
Principle of hydrostatic level / water level measurement;

Signal processing and output:
24 bit ADC sampling and processing chip;
DSP digital signal conditioning algorithm;
Multipoint linear temperature calibration;
Voltage and current overload protection;
Four digit indicator with adjustable decimal; meter sampling rate: 10 times / s
Standard industrial signal output: 4-20mA (two-wire system);

Digital communication signal output: rs485-rtu, ultra-low power rs485-rtu
Advanced 32 bit microprocessor and 24 bit ADC are adopted
The transmission protocol is MODBUS-RTU
Support baud rate: 1200 ~ 57600bps, check bits: none, odd, even
Support the user's secondary calibration, reset, anti reset, restore factory operations
Support 11 kinds of units switching, support floating point, integer, percentage, formatted output
The acquisition interval of 0 ~ 43200 seconds (12 hours) can be set, which can not only meet the needs of high-speed acquisition, but also trigger acquisition once to minimize power consumption

Structure:
The shell material is made of corrosion-resistant imported polytetrafluoroethylene (Teflon);
IP68 sealed waterproof electrical outlet;
Special Teflon liquid level cable

Application:
Water level measurement and monitoring of seawater and brine;
Liquid level measurement and monitoring of pH value 3-11;
Liquid level measurement and monitoring of chemical and other corrosive liquids;

應用領域：

隧道橋梁水位測量監(jiān)控
消防水井水池水位測量監(jiān)控
城市內澇水位監(jiān)控
水塔水箱

產品家族：

規(guī)格參數(shù)

一、技術參數(shù)
測量介質：有腐蝕性的液體
壓力形式：表壓(靜壓式)
量程：0～5mH2O～100mH2O；最小量程為5米水位高，最大量程為100米水位高
綜合精度：±0.25%FS；±0.5%FS；±1%FS
非線性：≤0.25%FS
重復性：≤0.1%FS
輸出信號：
4～20mA二線制；
RS485-RTU；
4～20mA + RS485-RTU雙輸出
四位顯示，顯示范圍：-1999 - 9999
壓力表頭采樣速率：10次/S
供電電壓：
24VDC(9～30VDC)通用型
3.1～6.1VDC（低功耗RS485-RTU）
絕緣阻抗：≥1000 MΩ/100VDC
負載阻抗：電流輸出: ≤800Ω
數(shù)字輸出地址：1～128
RS485波特率：9600(出廠默認) 1200～115200(bps)
介質/環(huán)境溫度：-20～80℃
補償溫度：0～70℃
過載壓力：150%FS
穩(wěn) 定性：≤±0.15%FS/年
振動影響：≤±0.15%FS/年（機械振動頻率20Hz～1000Hz）
破壞壓力：3倍量程(量程小于350MPa)；2倍量程(量程大于400MPa)
電氣連接：防水緊線螺母直接出線，可配套防爆電氣連接
防護等級：IP68
連接電纜：專用鐵氟龍液位電纜
連接材料：進口聚四氟乙烯(鐵氟龍)

二、規(guī)格型號

三、結構尺寸

四、電氣連接

五、安裝方式

Measuring medium: corrosive liquid
Pressure form: gauge pressure (static pressure)
Range: 0-5mh2o-100mh2o; minimum range: 5m water level, maximum range: 100M water level
Comprehensive accuracy: ± 0.25% FS; ± 0.5% FS; ± 1% FS
Nonlinearity: ≤ 0.25% FS
Repeatability: ≤ 0.1% FS
Output signal:
4-20mA two-wire system;
RS485-RTU；
4 ～ 20mA + rs485-rtu dual output
Four digit display, display range: - 1999 - 9999
Sampling rate of pressure gauge: 10 times / S
Supply voltage:
24 VDC (9 ～ 30 VDC) universal type
3.1 ~ 6.1vdc (low power rs485-rtu)
Insulation impedance: ≥ 1000 m Ω / 100VDC
Load impedance: current output: ≤ 800 Ω
Digital output address: 1 ~ 128
RS485 baud rate: 9600 (factory default) 1200 ~ 115200 (BPS)
Medium / ambient temperature: - 20 ～ 80 ℃
Compensation temperature: 0 ～ 70 ℃
Overload pressure: 150% FS
Stability: ≤± 0.15% FS / year
Vibration effect: ≤± 0.15% FS / year (mechanical vibration frequency 20Hz ~ 1000Hz)
Failure pressure: 3 times of measuring range (less than 350Mpa); 2 times of measuring range (measuring range greater than 400MPa)
Electrical connection: Waterproof tight wire nut directly leads out, can be matched with explosion-proof electrical connection
Protection grade: IP68
Connecting cable: special Teflon liquid level cable
Connecting material: imported polytetrafluoroethylene (Teflon)

訂購注意事項

PT500-602TS耐腐蝕液位變送器產品訂購注意事項
1、產品量程選擇：
為了使產品精度、壽命、穩(wěn)定性等功能達到最佳效果，產品的量程選擇參照以下公式計算：
量程 = 系統(tǒng)最大壓力 X （1.2-1.5）倍；
產品的實際測量壓力范圍，應該在量程范圍的15%-80%；

2、產品供電及輸出：
供電范圍的選擇按產品的個輸出規(guī)格確定：
常規(guī)4-20mA/0-20mA輸出，直流12-30VDC供電；
通用RS485-RTU輸出，直流12-30VDC供電；
低功耗RS485-RTU輸出，直流3.1-6.1VDC；
RS485-RTU輸出時，請先了解通訊協(xié)議；

3、用戶要了解產品的測量介質特性：
介質規(guī)格、介質溫度、介質純度（是否含有雜質或顆粒等）；

4、用戶要了解產品的安裝環(huán)境及安裝方式：
室內或室外安裝；
環(huán)境溫度；
要求的密封等級；
設備的振動范圍；
安裝空間是否滿足產品外形尺寸；

Precautions for ordering PT500-602TS level transmitter

1. Product range selection:
In order to achieve the best effect of product accuracy, service life, stability and other functions, the range selection of the product
Select the following formula for calculation:
Range = x (1.2-1.5) times of the maximum system pressure;
The actual measuring pressure range of the product should be 15% - 80% of the range;

2. Product power supply and output:
The selection of power supply range is determined according to the output specifications of the product:
Conventional 4-20mA output, DC 12-30vdc power supply;
General rs485-rtu output, DC 12-30vdc power supply;
Low power rs485-rtu output, DC 3.1-6.1vdc;
When output rs485-rtu, please understand the communication protocol first;

3. The user should understand the measurement medium characteristics of the product:
Medium specification, medium temperature, medium purity (whether containing impurities or particles, etc.);

4. Users should understand the installation environment and installation method of the product:
Indoor or outdoor installation;
Ambient temperature;
Required sealing level;
Vibration range of equipment;
Whether the installation space meets the overall dimension of the product;

使用注意事項

PT500-602TS耐腐蝕液位變送器產品使用注意事項
產品供電請對照產品合格證及使用說明，不同的輸出方式，供電電壓不同；
嚴禁使用硬物（如：螺絲刀、手指、鐵釘?shù)龋┤ナ沟脡盒倔w受壓力測量輸出；
電源和信號線按訂購產品規(guī)格要求，正確接線；
產品安裝及使用時，保護好電纜導氣管，電纜的導氣管嚴禁進水或堵塞；
嚴禁被測系統(tǒng)的介質溫度、壓力量程、激勵電壓超過變送器的額定使用范圍；
注意保護變送器引出電纜，現(xiàn)場使用跨度過大時，建議使用金屬管保護或架空；
測量水井，地下水、河流、水庫等水位時，注意傳感器的投入位置避開淤泥高度；
大量程水位產品，電纜線長度超過30米時，液位變器不可直接用電纜受拉力；
測量水流較急的水位時，液位變送器隨加限位管進行安裝，保證產品上不?。?/span>
變送器的安裝位置，為了減少信息干擾保證測量精度，盡可能的避開磁場變化大輻射大的設備，如：電機、潛水泵、高壓電纜等；
野外安裝變送器，加入避雷針等防護裝置；

Precautions for PT500-602TS level transmitter
Please refer to the product certificate and instructions for power supply. Different output modes and different power supply voltages are required;
It is strictly forbidden to use hard objects (such as: screwdrivers, fingers, nails, etc.) to make the pressure measurement output of the pressure core body;
The power supply and signal lines shall be correctly connected according to the product specifications;
When the product is installed and used, protect the cable air duct, which is strictly prohibited from water entering or blocking;
It is strictly prohibited that the medium temperature, pressure range and excitation voltage of the measured system exceed the rated range of the transmitter;
Pay attention to protect the outgoing cable of transmitter. When the span is too large, it is recommended to use metal tube for protection or overhead;
When measuring the water level of wells, groundwater, rivers and reservoirs, pay attention to the input position of sensors to avoid the height of sludge;
For a large range of water level products, when the cable length is more than 30 meters, the liquid level transformer can not be directly pulled by the cable;
When measuring the water level with rapid water flow, the liquid level transmitter is installed along with the limit pipe to ensure that the product does not float;
In order to reduce the information interference and ensure the measurement accuracy, the installation position of the transmitter should avoid the equipment with large

magnetic field change and radiation as far as possible, such as motor, submersible pump, high-voltage cable, etc;
Field installation transmitter, add lightning rod and other protective devices;

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