PT500-590 RS485温压一体数显电池供电压力变送器
采用进口感压芯片;选进的贴片工艺;
压力、温度一体化,同时测量,轮巡显示;
压力温度一体LCD显示表头,5位显示;
多种压力单位切换;数值显示,百分比显示;
供电方式:内置电池3.6VDC供电,或外部电源5VDC/24VDC供电;
高精度、稳定、数字标定调节、放大集成电路;
数字输出信号Modbus RS485-RTU通讯协议;
工业级2088铸铝合金防爆壳体,强度可靠坚固;
可替代国外同类型产品;
产品优势:

型号:PT500-590


采用进口感压芯片;选进的贴片工艺;
压力、温度一体化,同时测量,轮巡显示;
压力温度一体LCD显示表头,5位显示;
多种压力单位切换;数值显示,百分比显示;
供电方式:内置电池3.6VDC供电,或外部电源5VDC/24VDC供电;
高精度、稳定、数字标定调节、放大集成电路;
数字输出信号Modbus RS485-RTU通讯协议;
工业级2088铸铝合金防爆壳体,强度可靠坚固;
可替代国外同类型产品;

常用关键字:
温压一体 RS485-RTU 低功耗 数字显示 隔爆型 压力变送器
高精度 多点温度压力补偿 电池供电 外部供电 压力传感器
数显压力表 压力数显表 压力控制表
气压表 液压表 差压表 微压表 高压表
电池供电压力表 低功耗压力表
LCD压力表 LCD压力传感器 LCD压力变送器

精密压力表 精密数显压力表



Model: PT500-590
Imported pressure sensing chip is adopted; Selected patch process;
Integrated pressure and temperature, simultaneous measurement and wheel patrol display;
Pressure and temperature integrated LCD display meter, 5-digit display;
Switching of multiple pressure units; Numerical value display, percentage display;
Power supply mode: 3.6vdc power supply from built-in battery or 5VDC / 24VDC power supply from external power supply;
High precision, stable, digital calibration, adjustment and amplification integrated circuit;
Digital output signal Modbus rs485-rtu communication protocol;
Industrial grade 2088 cast aluminum alloy explosion-proof shell, reliable and solid strength;
It can replace foreign products of the same type;

Common keywords:
Temperature pressure integrated rs485-rtu low power digital display flameproof pressure transmitter
High precision multipoint temperature and pressure compensation battery powered external powered pressure sensor

芯       片:
采用进口感压芯片;选进的贴片工艺;
零点、满度,温补、线性补偿;
高阻抗、高精度、高稳定性;
100万次使用寿命以上;

信号处理及输出:
采用先进的 32bit微处理器和24bit ADC;
超低功耗设计,超低功耗 RS485设计;
多点曲线拟合技术;
电池电量采集管理;
独立双通道采集,一体化设计,可做单独压力、单独温度,也可做温压一体;
位液晶 8 段数码显示,无视值误差;
动态背光管理,最大程度方便操作,最大程度节省功耗;
支持用户清零、反清零、用户校准、恢复出厂等操作;
采集间隔 0~65535 秒可设,可根据现场情况设置,最大限度降低功耗;
支持 modbus-rtu 协议的自由组态,用户可以制作私有 RS485 协议;


结       构:
厚膜结构:深度氩弧焊接,连接弹性材料与过程接头,强度高,抗冲击,耐疲劳;
溥膜结构:激光焊接,连接弹性材料与过程接头,硅油介质传递压力,响应快,耐疲劳,小量程;
工业级2088铸铝合金防爆壳体,强度可靠坚固;
整体结构小巧,过程连接方式多样化(M20X1.5,G1/2 ,ZG1/2,1/2NPT(螺纹小径≥17mm)DN50等);
过程连接材料:304或316;

应      用:
油压、水压、气压压力测量与监控;
工业/电力/石油/自动化等领域的设备压力测量;

Chip:
Imported pressure sensing chip is adopted; Selected patch process;
Zero point, full degree, temperature compensation and linear compensation;
High impedance, high precision and high stability;
More than 1 million times of service life;

Signal processing and output:
Adopt advanced 32bit microprocessor and 24bit ADC;
Ultra low power design, ultra low power RS485 design;
Multipoint curve fitting technology;
Battery power collection and management;
Independent dual channel acquisition and integrated design, which can be used as separate pressure, separate temperature and temperature pressure integration;
8-bit LCD 8-segment digital display, ignoring the value error;
Dynamic backlight management, convenient operation to the greatest extent and save power consumption to the greatest extent;
Support user reset, de reset, user calibration, factory recovery and other operations;
The acquisition interval is 0 ~ 65535 seconds, which can be set according to the site conditions to minimize power consumption;
Support the free configuration of Modbus RTU protocol, and users can make private RS485 protocol;

Structure:
Thick film structure: deep argon arc welding, connecting elastic materials and process joints, high strength, impact resistance and fatigue resistance;
PU membrane structure: laser welding, connecting elastic materials and process joints, silicone oil medium to transfer pressure, fast response, fatigue resistance, small range;
Industrial grade 2088 cast aluminum alloy explosion-proof shell, reliable and solid strength;
Small overall structure and diversified process connection modes (m20x1.5, G1 / 2, ZG1 / 2, 1 / 2NPT (thread diameter ≥ 17mm), DN50, etc.);
Process connection material: 304 or 316;

Application:
Oil pressure, water pressure and air pressure measurement and monitoring;
Equipment pressure measurement in industrial / power / Petroleum / automation and other fields;
应用领域:
  • 智慧消防

  • 智慧城市

  • 油压系统

  • 送风系统

规格参数
一、主要技术参数
测量介质:液体、气体、蒸汽等
压力形式:表压、绝压

量    程:
0~0.6、1、2、5、10、15、20、25、30、40、50、60、100(MPa);
0~10、20、30、50、100、150、200、300、400、500、600(KPa);
-100KPa~10KPa~40MPa;
±10KPa~±100KPa;

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:
RS485-RTU(低功耗)(四线制)
LCD5位显示表头

供电电压:
内置3.6VDC1200mAh电池(14250规格)
外部电源:24VDC
外部电源:5VDC

采集频率:1-3600S/次,可设定(数据更新频率)
寿    命:≥100万次
绝缘阻抗:≥1000 MΩ/100VDC
功    耗:待机电流小于50uA,采集电流小于1.5mA
介质温度:-20~80℃
环境温度:-20~70℃
补偿温度:0~70℃
响应时间:≤5mS
过载压力:150%FS
破坏压力:3倍量程(量程小于40MPa);2倍量程(量程大于41MPa)
电气连接:防水紧线螺母直接出线,可配套防爆电气连接
防护等级:IP65
连接电缆:四芯屏蔽电缆,标准长度:3米
连接材料:304/316L
过程连接:M20X1.5,G1/2,ZG1/2,1/2NPT,DN50……可用户制订规格

二、规格型号

三、结构尺寸

四、电气连接

五、安装方式


Main technical parameters
Measuring medium: liquid, gas, steam, etc
Pressure form: gauge pressure and absolute pressure

Range:
0~0.6、1、2、5、10、15、20、25、30、40、50、60、100(MPa);
0~10、20、30、50、100、150、200、300、400、500、600(KPa);
-100KPa~10KPa~40MPa;
±10KPa~±100KPa;

Comprehensive accuracy: ± 0.25% FS; ±0.5%FS; ±1%FS
Nonlinearity: ≤ 0.25% FS
Repeatability: ≤ 0.1% FS

Output signal:
Rs485-rtu (low power consumption) (four wire system)
Lcd5 digit display meter

Supply voltage:
Built in 3.6vdc1200mah battery (14250 specification)
External power supply: 24VDC
External power supply: 5VDC

Acquisition frequency: 1-3600s / time, settable (data update frequency)
Service life: ≥ 1 million times
Insulation impedance: ≥ 1000 m Ω / 100VDC
Power consumption: the standby current is less than 50ua, and the acquisition current is less than 1.5mA
Medium temperature: - 20 ~ 80 ℃
Ambient temperature: - 20 ~ 70 ℃
Temperature compensation: 70 ~ 0 ℃
Response time: ≤ 5ms
Overload pressure: 150% FS
Failure pressure: 3 times the range (the range is less than 40MPa); 2 times the range (the range is greater than 41mpa)
Electrical connection: the waterproof tightening nut directly leads out, which can be matched with explosion-proof electrical connection
Protection grade: IP65
Connecting cable: four core shielded cable, standard length: 3M
Connecting material: 304/316L
Process connection: M20x1.5 G1/2, ZG1/2, 1/2NPT, DN50... Specifications can be formulated by users
订购注意事项
PT500-590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%;
温度量程:测量温度介质区分,所需产品是测量介质温度或是测试环境温度,订购时与销售人员说明情况;

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:
A、内置电池3.6V1200mAh;
B、外部5VDC供电;
C、外部9-24VDC供电;
常规Modbus RS485-RTU 低功耗型数字输出;
5位LCD显示表头;默认采集时间1S/次;


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;
安装方式:螺纹、法兰、特殊结构;
安装空间是否满足产品外形尺寸;


Precautions for ordering PT500-590 products

1. Product range selection:
In order to achieve the best effect of product accuracy, service life, stability and other functions, the range of the product is calculated according to the following formula:
Range = x (1.2-1.5) times the maximum pressure of the system;
The actual measuring pressure range of the product should be 15% - 80% of the measuring range;
Temperature range: distinguish between measuring temperature and medium. The required product is measuring medium temperature or testing ambient temperature. Explain the situation with the salesperson when ordering;

2. Product power supply and output:
The selection of power supply range is determined according to the output specifications of the product:
A. Built in battery 3.6v1200mah;
B. External 5VDC power supply;
C. External 9-24vdc power supply;
Conventional Modbus rs485-rtu low-power digital output;
5-digit LCD display meter; The default acquisition time is 1s / time;

3. Users need to understand the characteristics of the measuring medium of the product:
Medium specification, medium temperature, medium purity (whether it contains 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 grade;
Vibration range of equipment;
Installation method: thread, flange and special structure;
Whether the installation space meets the overall dimension of the product;

使用注意事项
产品供电范围,内部电池供电:3.6VDC,外部电源5VDC或24VDC;
严禁使用硬物(如:螺丝刀、手指、铁钉等)去使得压力膜片受压力测量输出;
电池安装、外接电源和信号线按订购产品规格要求,正确接线;
产品安装时,受力部位为“过程连接六方扳手位”,扳手规格与六方相对应;
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;
压力变送器属精密计量仪器,切勿强加冲击、摔打,以免损坏芯体
产品安装于通风、干燥、无强腐蚀环境,露天安装加防护装置,避免阳光直接照射;
产品仪表严禁进水/漏水/泡水情况,露天安装加防护装置,避免阳光直接照射;


Product power supply range, internal battery power supply: 3.6vdc, external power supply 5VDC or 24VDC;

It is forbidden to use hard objects (such as screwdriver, finger, iron nail, etc.) to make the pressure diaphragm subject to pressure measurement output;

The battery installation, external power supply and signal line shall be wired correctly according to the specifications of the ordered products;

When installing the product, the stressed part is "process connection hexagonal wrench position", and the wrench specification corresponds to the hexagonal wrench position;

It is strictly prohibited that the medium temperature, pressure range and excitation voltage of the measured system exceed the rated service range of the transmitter;

Pay attention to protect the outgoing cable of the transmitter. When the span is too large, it is recommended to use metal pipe for protection or overhead;

The pressure transmitter is a precision measuring instrument. Do not impose impact and beating to avoid damaging the core

The product is installed in a ventilated, dry and non corrosive environment. Protective devices are installed in the open air to avoid direct sunlight;

Water / water leakage / soaking is strictly prohibited for product instruments. Protective devices shall be installed in the open air to avoid direct sunlight;

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