TDS-100F ultrasonic flowmeter (fixed outer tie type) 
 First, the characteristics 
 0.5% linearity 0.2% repeatability 

 · Chinese display or English display 

 · Compact, sturdy, and the international advanced die-cast aluminum chassis 

 Low voltage multi-pulse balanced transmitter and receiver 

 · 4-20mA OCT (cumulative pulse frequency), relay output 

 Can be accessed by a 5-way 4-20mA current signal (such as: temperature, pressure, level, etc.) 

 The malfunction · Fangfei operator locks to protect 

 Second, the technical parameters 
 Measuring principle: ultrasonic propagation time difference principle. The dual-CPU working in parallel, 4-byte floating-point operations. Measurement period 500ms (two times per second). 

 Input: input current signal of the 5-way, a precision of 0.1%. (Such as: temperature, pressure, liquid level signal). 

 Signal output: current output :4-20mA or 0-20mA, etc., impedance 0-1KΩ, floating, precision 0.1%; 

 Frequency signals: 12 to 9999Hz between optional (OCT output); fixed outer tie ultrasonic flowmeter 

 Pulse signal: positive and negative, the net flow and heat accumulated pulse, relay, and OCT output; 

 Alarm signal: relay and OCT output, nearly 20 kinds of source signals is optional; 

 · Communication interface: a full-featured RS232 serial interface, optional RS485 or CAN bus. 

 Other features: traffic day, month, year cumulative function; power outages, traffic management functions; fault self-diagnosis function; remote network works; 

 Cable length: SYY75 shielded cable, a single can be lengthened to 500 meters 

 All the texture of the pipe material: steel, stainless steel, cast iron, cement pipes, of PVC, aluminum, copper and other dense pipeline, allow lining 

 Straight pipe sections: the upper reaches of ≥ 10D, downstream ≥ 5D, ≥ 30D away from the pump outlet (D refers to the diameter) 

 Uniform liquid flow measurement medium: water, sea water, edible oil, crude oil, acid and alkali liquid, beer and other conduction of sound waves 

 Medium temperature: -30 to 150 ° C 

 · Diameter range: DN15 ~ DN6000 

 Flow range: 0 to ± 32m / s 

 Measurement accuracy: better than ± 1% (the domestic one of the few to achieve this precision ultrasonic flowmeter) 

 Power supply: AC220V or DC8-36V or AC7-30V 

 Power consumption: less than the minimum power consumption 2W (domestic models) 

 Weight: 3Kg 

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