ultrasonic flowmeter

XH-1000 modelExternal clamp type ultrasonic flowmeterUtilizing the principles of low voltage and multi pulse transmission and reception, adopting dual balanced signal differential transmission and reception technology and hardware parameter independent design method; Produced through the use of large-scale integrated circuits and advanced SMD mounting and soldering processes. Ensure that each factory flowmeter has the same performance. The flexible and versatile Chinese display host (wall mounted F1 standard type, wall mounted F2 explosion-proof type, disk mounted S-type, wall mounted FN network type) meets various industrial sites. Simple and convenient sensors are easy for on-site personnel to install and maintain.
Project performance/parameters
Measurement host accuracy 1.0%
Repeatability 0.2%
Flow velocity range: 0-64m/s
Measurement cycle: 500mS (2 times per second, 128 sets of data collected per cycle)
Measurement principle: Ultrasonic time difference principle, 4-byte IEEE754 floating-point operation
Display interface: Can connect 2 × 10 backlit Chinese characters or 2 × 20 character LCD displays
Operation: External 16 key touch keyboard and PC computer parameter software
Input: 3-channel 4-20mA input is optional, with an accuracy of 0.1%. It can input signals such as pressure, liquid level, temperature, etc., and can also be used as a digital interface
Two way three wire PT100 platinum resistor input circuit, capable of achieving heat metering function (enthalpy difference method)
Output current signal (optional module): 4-20mA, impedance 600 Ω floating, accuracy 0.1%. Frequency signal (optional module): Choose between 1-9999 Hz, OCT output. Pulse signal: positive, negative, net flow and heat accumulation pulses, dual OCT output (with one pulse width programmable between 6-1000ms, default 200ms). Alarm signal: Dual OCT output, with up to 20 selectable source signals. Data interface: Isolated RS485 serial interface.
Communication protocols: MODBUS protocol, MBUS protocol, FUJI extension protocol, recommended to use MODBUS-RTU protocol or MODBUS-ASCII protocol
Other functions: automatic memory of accumulated traffic and work status for the previous 64 days, 32 months, and 2 years; Automatically remember the first 16 power on/off times and flow rate, and can achieve automatic or manual replenishment; Programmable quantitative controller (can be started using external input signals or MODBUS commands); One bidirectional serial interface can connect multiple external devices such as 4-20mA and data loggers; The working parameters can be fixed in the FLASH memory inside the machine and automatically retrieved when powered on; Users can achieve software upgrade fault self diagnosis function through the transmitted code files. Fault time timer.
Working current 50mA (without connecting keyboard display and buzzer not sounding)
The backup battery uses CR2032 to maintain 100000 hours of data without loss under 24VDC power outage conditions
The ambient temperature ranges from -10 ℃ to 70 ℃ (please contact the manufacturer for temperature requirements beyond this range)
Continuous working hours
Power supply 24VDC 8~30VDC 24VDC
Size (mm) Φ 84 116 × 62 92 × 36
Sensor external attachment standard S1 type, suitable for pipe diameter DN15-100mm standard M1 type, suitable for pipe diameter DN50-1000mm standard L1 type, suitable for pipe diameter DN300-6000mm high temperature S1H type, suitable for pipe diameter DN15-100mm high temperature M1H type, suitable for pipe diameter DN50-1000mm sensors from other manufacturers
Insertion type: The material of the measuring pipeline is not limited (installed without stopping production) and is suitable for pipes with a diameter of DN80 or above.
Pipe section type: π - type pipe section type: suitable for pipe diameters of DN25-DN40, with a measurement accuracy of ± 0.5% for the whole machine. Standard pipe section type: suitable for pipe diameters of DN50-DN1000, with a measurement accuracy of ± 0.5% for the whole machine
Signal cable: SEYV75-2 shielded twisted pair cable, factory standard 5-meter, can be extended up to 500 meters for specific occasions (not recommended).
Protection level: IP68 (capable of working in water immersion)
Measurable pipeline materials: steel, stainless steel, cast iron PVC、 Copper, aluminum, cement pipes, and other materials with dense texture are allowed to have lining.
Lining materials: epoxy asphalt, rubber, mortar, polypropylene, polystyrene, polyester, polyethylene, hard rubber, rubberwood, polytetrafluoroethylene.
Inner diameter: 15mm~6000mm (the inner diameter of the π - shaped pipe segment can be as small as 2mm)
Length of straight pipe section: upstream ≥ 10D, downstream ≥ 5D, distance from pump outlet ≥ 30D
Measurement medium types: water, seawater, acidic and alkaline liquids, food oil, gasoline, coal, diesel, crude oil, alcohol, beer, and other homogeneous liquids that can propagate ultrasonic waves.
Turbidity: ≤ 20000 ppm, good sewage measurement effect, and the vast majority of sewage pipelines can be stably measured.
Temperature: -40 ℃~160 ℃
Flow direction: It can measure both forward and reverse flow separately, and can also measure net flow.