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FR-500EX Explosion proof ultrasonic flowmeter

    The drinking water and wastewater
    The coal mine
    The oil, petrochemical
    The gaso
    The shell is made of aluminum or stainless steel 316L (optional), suitable for explosion-proof occasions
    The accuracy of the time difference principle is 0.5%
    The core device MCU, amplifier, two or three pole tube are all imported products, high performance, more powerful
    Optional external clip, insert or tube segment sensor
    High temperature clamp sensor measured temperature of 160C degrees; insert with pressure sensor can be installed without water
    The fault self diagnosis function, the backup battery ensures that the data is not lost after power failure.
    Positive and backward metering, and measurable net flow rate

FR-500EX explosion-proof type ultrasonic flowmeter, product appearance design high-grade appearance, made of cast aluminum and stainless steel 316L optional, mainly used for coal, oil, petrochemical and other occasions with gasoline and diesel flow measurement of explosion-proof requirements, using the most advanced digital signal analysis method and multi pulse technology, error correction and self diagnosis technology of digital processing, can measure the clean and the vast majority of turbid liquid without drift and accurate measurement, and achieved good results in the coal mine water, coal washing water and oil underground sewage harsh application situation, bring convenience and benefits to the customers; with advanced, can effectively resist from frequency equipment, electromagnetic field and flow fluctuation interference system; provide professional fixture fixed clamp on sensor, fast and reliable; select the insert type sensor can achieve the best accuracy, d on the correct installation, insert type sensor accuracy is better than 1%, will not cause blockage, obstacles and pressure loss, because no components will cause accumulation and pollution, without moving parts to wear out, so rarely need maintenance.

Technical parameters：

测量原理

时差相关原理

测量管径

夹装式传感器：10mm～8000mm或更大，插入式传感器：≥80mm

管壁厚度

≤50mm

管道材质

所有的金属和致密塑料管，对于混凝土或其他组份管材及有内衬请咨询

夹装式测量精度

管径＞150mm:±0.5%～±1%;管径≤150mm:±0.5%～±2%

插入式测量精度

±0.5%～±1%

重复性/线性度

±0.1%～±0.3%  /  0.5%

流速范围

0.01～25m/s(正反双向计量，并可计量净流量)

量程比

400:1(注：满足上游10倍管径直管段，下游5倍管径直管段，流速大于0.3m/s)

测量参数

体积流量和流速

外壳材质

******压铸铝，喷塑涂层(可选择全不锈钢316材质)

外形尺寸

290×270×100mm

主机重量

8kg

电器接口

PG20

显示

2×10汉字背光液晶显示，显示瞬时流量、流速、累积流量、信号状态

键盘

16触觉PC膜键盘

电源

AC85-260V或DC8-36V  50/60HZ

功耗

≤1.5W

防爆等级

ExIIBT4

工作电流

50mA

存储温度

-20～70℃

模拟输入

3路4-20mA电流输入，可输入压力、温度、液位等信号；

可连接两路三线制PT100铂电阻，实现热量测量。

模拟输出

电流信号：3路4-20mA输出，阻抗600Ω，精度0.1%

频率信号：1-999HZ之间任选，OCT输出

脉冲信号：正负净流量及热量累积脉冲，脉冲宽度6-1000ms


数据接口：隔离RS485串行接口，支持MODBUS等协议

通讯协议

MODBUS协议，M-BUS协议

显示语言

中、英、意三种语言

其他功能

日月年累积流量自动记忆功能，上、断电时间和流量管理功能

Sensor parameters：

外夹传感器

常温：FS1:10～100mm  FM1:50～1000mm  FL1:300～8000mm

高温：FS2:10～100mm  FM2:50～1000mm  FL2:300～8000mm

插入传感器

标准：FC1:80～8000mm

水泥：FC2:80～8000mm

插入传感器

管径≥80mm；铸铁，水泥，玻璃钢等不可焊接管道需定制管箍安装

温度范围

外夹标准:-40～70℃;  高温-40～160℃

插入耐温：≤160C°

安装方式

外夹式：不锈钢带；插入式：焊接底座碳钢或不锈钢

传感器电缆

超声波专用屏蔽电缆

Selection coding：
FR - 500 ex - (sensor) - DN (diameter) - M (cable length)
Room temperature sensor: FS1:10 to 100 mm (small) FM1:50 ~ 1000 mm (medium) FL1:300 ~ 8000 mm (large)
High temperature sensors: FS2:10 to 100 mm (small) FM2:50 ~ 1000 mm (medium FL2) : 300 ~ 8000 mm (large)
Insert the sensor: FC1: standard insert FC2: cement insertion
Section sensor: please consult the factory orders
Selection, for example: FR - 500 ex - FC1 - DN500 - M100 approximately
Explanation: explosion-proof ultrasonic flowmeter, match the standard insert the sensor, measure the diameter of 500 mm, the cable is 100 m long

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