数显液位变送器 PT500-601TS

型号：PT500-601TS
精密稳定硅压阻芯体；
静压式液位测量原理；
全封焊结构，IP68密封防水电气出线；
不锈钢外壳+防爆铸铝2088接线壳、2-7芯带导气管专用液位电缆；
高精度、稳定、数字放大电路；
四位显示表头，小数位可调；表头采样速率：10次/S
4-20mA/RS485信号输出可选；
零点、满度，温补、线性补偿；

常用关键字：
数显液位变送器数显液位传感器
数显水位传感器数显油位传感器
数字液位变送器数显水位计

产品优势
规格参数
订购注意事项
使用注意事项
常见问题
我要提建议

芯片：
精密稳定硅压阻芯体；
选进的贴片工艺，具有零点、满量程补偿、温度补偿；
静压式液位/水位测量原理；
全封焊结构，IP68密封防水电气出线；

信号处理及输出：
24位ADC采样处理芯片；
DSP数字信号调理算法；
多点性线温度校准；
电压电流过载保护；
四位显示表头，小数位可调；表头采样速率：10次/S
标准工业信号输出：4-20mA(二线制);

数字通讯信号输出：RS485-RTU、超低功耗RS485-RTU
采用先进的32bit微处理器和24bit ADC
传输协议采用通用的MODBUS-RTU协议
支持波特率：1200~57600bps，校验位：NONE、ODD、EVEN
支持用户二次校准、清零、反清零、恢复出厂等操作
支持11种单位切换，支持浮点型、整型、百分比、格式化输出
采集间隔0~43200秒(12小时)可设，既可连续采集，满足高速采集的场合，也可单次触发采集，最大限度降低功耗

结构：
结构小巧、全封焊结构；
IP68密封防水电气出线；
不锈钢外壳+防爆铸铝2088接线壳、2-7芯带导气管专用液位电缆；

应用：
地下水、水井、水池、水塘、水箱、水塔的水位测量与监控；
河流、大坝、水电站、水库、消防、城市内涝等水位测量与监控；
油箱、油井、油库等油位的测量与监控；

Chip:
Imported silicon piezoresistive core body;
The selected mounting process has zero point, full range compensation and temperature compensation;
Principle of hydrostatic level / water level measurement;
Fully sealed and welded structure, IP68 sealed waterproof electrical outlet;

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:
Compact structure, full sealing and welding structure;
IP68 sealed waterproof electrical outlet;
Stainless steel shell + explosion-proof cast aluminum 2088 connection shell, 2-7-core liquid level cable with air duct;

Application:
Water level measurement and monitoring of groundwater, well, pool, pool, water tank and water tower;
Water level measurement and monitoring of rivers, dams, hydropower stations, reservoirs, fire fighting, urban waterlogging, etc;
Oil level measurement and monitoring of oil tank, oil well, oil depot, etc;

应用领域：

隧道桥梁水位测量监控
消防水井水池水位测量监控
城市内涝水位监控
水塔水箱
水库大坝
地下水位

产品家族：

一、技术参数
测量介质：水、油等液体
压力形式：表压(静压式)
量程：0～500mmH2O～100mH2O；
最小量程为0.5米水位高，最大量程为100米水位高
综合精度：±0.25%FS；±0.5%FS；±1%FS
非线性：≤0.25%FS
重复性：≤0.1%FS
输出信号：
4～20mA二线制；
RS485-RTU；
四位显示，显示范围：-1999 - 9999
压力表头采样速率：10次/S
供电电压：24VDC(9～30VDC)
绝缘阻抗：≥1000 MΩ/100VDC
负载阻抗：电流输出: ≤800Ω；
数字输出地址：1～128
RS485波特率：9600(出厂默认) 1200～115200(bps)
介质/环境温度：-20～80℃
补偿温度：0～70℃
过载压力：150%FS
稳定性：≤±0.15%FS/年
振动影响：≤±0.15%FS/年（机械振动频率20Hz～1000Hz）
破坏压力：3倍量程(量程小于350MPa)；2倍量程(量程大于400MPa)
电气连接：防水紧线螺母直接出线，配套防爆2088壳体电气连接
防护等级：IP68
连接电缆：2-7芯带导气管专用液位电缆
连接材料：304/316L

二、规格型号

三、结构尺寸

四、电气连接

五、安装方式

Technical parameters
Measuring medium: water, oil and other liquids
Pressure form: gauge pressure (static pressure)
Range: 0 ～ 500mmH2O～ 100mH2O;
The minimum range is 0.5 m water level height, and the maximum range is 100 m water level high
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
Power supply voltage: 24 VDC (9 ～ 30 VDC)
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: water proof tight wire nut directly leads out, matching explosion-proof 2088 shell electrical connection
Protection grade: IP68
Connecting cable: 2-7 core liquid level cable with air duct
Connection material: 304 / 316L

PT500-601T投入式液位变送器产品订购注意事项
1、产品量程选择：
为了使产品精度、寿命、稳定性等功能达到最佳效果，产品的量程选择参照以下公式计算：
量程 = 系统最大压力 X （1.2-1.5）倍；
产品的实际测量压力范围，应该在量程范围的15%-80%；

2、产品供电及输出：
供电范围的选择按产品的个输出规格确定：
常规4-20mA/0-20mA、0-5V/10V输出，直流12-30VDC供电；
通用RS485-RTU输出，直流12-30VDC供电；
0.5-4.5VDC输出，直流5VDC；
低功耗RS485-RTU输出，直流3.1-6.1VDC；
RS485-RTU输出时，请先了解通讯协议；

3、用户要了解产品的测量介质特性：
介质规格、介质温度、介质纯度（是否含有杂质或颗粒等）；

4、用户要了解产品的安装环境及安装方式：
室内或室外安装；
环境温度；
要求的密封等级；
设备的振动范围；
安装空间是否满足产品外形尺寸；

Precautions for ordering PT500-601T input liquid 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 / 0-20mA, 0-5V / 10V output, DC 12-30vdc power supply;
General rs485-rtu output, DC 12-30vdc power supply;
0.5-4.5vdc output, DC 5VDC;
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;

PT500-601T投入式液位变送器产品使用注意事项
产品供电请对照产品合格证及使用说明，不同的输出方式，供电电压不同；
严禁使用硬物（如：螺丝刀、手指、铁钉等）去使得压芯体受压力测量输出；
电源和信号线按订购产品规格要求，正确接线；
产品安装及使用时，保护好电缆导气管，电缆的导气管严禁进水或堵塞；
严禁被测系统的介质温度、压力量程、激励电压超过变送器的额定使用范围；
注意保护变送器引出电缆，现场使用跨度过大时，建议使用金属管保护或架空；
测量水井，地下水、河流、水库等水位时，注意传感器的投入位置避开淤泥高度；
大量程水位产品，电缆线长度超过30米时，液位变器不可直接用电缆受拉力；
测量水流较急的水位时，液位变送器随加限位管进行安装，保证产品上不浮；
变送器的安装位置，为了减少信息干扰保证测量精度，尽可能的避开磁场变化大辐射大的设备，如：电机、潜水泵、高压电缆等；
野外安装变送器，加入避雷针等防护装置；

Precautions for PT500-601T input liquid 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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