TDS-100F ultrasonic flowmeter (fixed outer tie type), ultrasonic flowmeter features high-precision measurement linearity better than 0.5% repeatability accuracy of better than 0.2%, the measurement accuracy of better than ± 1% of measuring range large selection of different models the sensor to achieve the the flowmeter different versions of the English menu in diameter DN15 ~ DN6000mm pipeline flow measurement support, support Chinese or English menu, convenient and efficient high reliability with low voltage, multi-pulse transmitter circuit, measurement accuracy, service life and The substantial increase in the reliability of the anti-interference ability double-balanced signal differential transmitter receiver circuit effectively resist the strong interference source inverter, TV tower, power lines and other powerful memory function automatically memory the first 512 days of the first 128 months, 10 years before the cumulative flow, the the automatic memory first 64 calls and the power-off time and work flow, flowmeter 32 days before the automatic memory state is normal. ? Compact, robust, the international advanced die-cast aluminum chassis? Low voltage multi-pulse equilibrium emission receiver? 4-20mA the OCT (accumulated pulses, frequency), relay output? Then 5-way 4-20mA current signal ( such as: temperature, pressure, liquid level, etc.)? Fangfei operator malfunction password lock protection ultrasonic flowmeter technology parameters? measurement principle: ultrasonic propagation time difference principle. The dual CPU working in parallel, 4-byte floating-point operations. The measurement period 500ms (2 times per second). ? Signal input: 5-channel current signal input, an accuracy of 0.1%. (Such as: temperature, pressure, liquid level signal). ? Signal output: Current output :4-20mA or 0-20mA, impedance 0-1KΩ, floating an accuracy of 0.1%; frequency signal: 12 to 9999Hz among, optional (the OCT output); fixed outer tie ultrasonic flowmeter Pulse signal: positive, negative, cumulative net flow and heat pulse, relay and OCT output; alarm signal: relay OCT output, nearly 20 kinds of source signal is optional;? RS232 serial communication interface: a full-featured interface, Optional RS485 or CAN bus way. ? Power for other functions: traffic day, month, year cumulative function; traffic management functions; self-diagnostic function; remote network works;? Cable length: SYY75 shielded cable, single root can be lengthened to 500 meters? piping material: steel, stainless steel, cast iron, cement pipes, PVC, aluminum, copper and all texture dense pipeline, allows lining? straight pipe: Upstream ≥ 10D, Downstream ≥ 5D, away from the pump outlet ≥ 30D (D is the diameter )? conduction of sound waves to measure media: water, sea water, sewage, alcohol, edible oil, crude oil, acid and alkali liquid, such as beer uniform liquid flow. ? Medium temperature: -30 to 150 ° C? Diameter range: DN15 to DN6000? Flow rate range: 0 to ± 32m / s? Measurement accuracy: better than ± 1% (one of the few to achieve this precision ultrasonic flowmeter )? Power: AC220V or DC8-36V or AC7-30V? consumption: less than 2W (minimum power consumption of the domestic models)? Weight: 3Kg of Tianjin ultrasonic flowmeter, Beijing ultrasonic flowmeter, ultrasonic flowmeter Price