электрический счетчик расхода

1. Introduction The electrical flow metercan be used to accurately measure the flow rate of liquids which are electrical conducting, caustic, and mixed with liquids and solids. They are widely used throughout industries of petroleum, chemical engineering, pharmacology, papermaking, electric power, environmental protection and so forth. 2. Special Features - zero pressure losing; - Corrosion protection, abrasion resistant; - High accuracy, Stable performance 3. Conditions - Ambient temperature:-10 60; - Relative humidity: less than 85%RH; - Atmospheric pressure:86KPa 106KPa; - Applicable Fluid: electrically conducting liquid; - Fluid temperature:-25 +65 and -25 +140; - Electrical conductivity: 5us/cm. 4. Technical Parameters - Size: DN10 DN500; - Standard pressure:PN1.0MPa 40MPa; - Accuracy: ±0.5% ±1.0%; - Supply power: 85 to 250VAC (45 to 63Hz), 16 to 36VDC; - Signal output: Current Output: 0 10mA or 4 20mA; - Frequency Output: 0 5000Hz with photoelectric isolation; - Pulse Output:0.001 1.000m3/cp, 0.001 1.000 Ltr/cp, 0.001 1.000USG/cp, 0.001 1.000 UKG/cp; - Alarm Output: Upper Alarm-ALMH, Lower Alarm-ALML with photoelectric isolation; - Communications:RS-232, RS-485,Hart, MODBUS. Wenzhou Bestfun Electric Co., Ltd. established in 2002, is a specialized manufacturer and supplier in the field of low-voltage electric devices. We are mainly engaged in manufacturing Residual Current Devices, and Contact Free voltage Testers. We have developed more than 10 models of Portable RCD ranging from RCD adaptors to In-Line RCDs. And our Portable RCD series meet the requirements from GS standard to Australian standard (SAA).