Ultrasonic Flowmeter ultrasonic flowmeter Shanghai Fire Fire Ultrasonic flowmeter manufacturers

First, the pipeline is a compact ultrasonic flowmeter ultrasonic flowmeter ultrasonic flowmeter Features Flange flanges ultrasonic flowmeter ultrasonic flowmeter 1. stainless steel structure, sturdy, high precision 2. 4 ~ 20mA or 0 ~ 20m output, with RS-232 or RS-485 communication output communication 3.OTC positive, negative and net cumulative flow or transient flow pulse frequency signal 4. Sound alarm function, automatic memory before the 64 days, the first 64 months of the previous five years totalizer 5. Enter 5-channel analog current signal 6. All Chinese liquid crystal display instantaneous flow and positive, negative and net cumulative flow, velocity, time, analog input and other data 7. The relay output of nearly 20 kinds of source signals Pipe Ultrasonic Flow meter uses ultrasonic transit-time flow measurement principle to liquid within the tube. Health and plant lifters ultrasonic meter with industrial grade electronic components, on battery power, no mechanical rotation, no wear, no pressure loss, is an all-electronic industrial water table. Ultrasonic water meter with high accuracy, good reliability, low price, long life and other advantages. It can completely replace other types of water meters. Second, the pipeline is a brief description of the ultrasonic flowmeter features a very low starting flow, the minimum measurable flow rate of 0.01m / s ultra-low-power design, power consumption is less than 0.00055W battery power can work for 6 to 10 years using ultrasonic sensors, no mechanical moving parts, maintenance-free design for 10 years can be measured bi-directional flow measurement pipe mold casting, to ensure that no leakage measurement accuracy of ± 1%, ± 2%, ± 3% optional three pipe ultrasonic flowmeter technical parameters Measuring principle: ultrasonic transit-time principle, the use of low-voltage multi-pulse transmitter circuit, double-balanced receiving circuit noise suppression. Measuring medium:?? Water and other liquids, suspended solids content 10g / l, 1 mm diameter, filled with the liquid conduit. Diameter range: DN15-1000mm whole series of different diameters user-selectable tube length: according to the general design of the measurement period meter Size: Default 3 seconds, user selectable from 1 to 31 seconds. Temperature: Ambient temperature -40 ℃ ~ 80 ℃ (LCD display -25 ℃ ~ 60 ℃) Accuracy: ± 1%, ± 2%, ± 3% repeatability Optional: better than ± 0.5% Sensor: High temperature resistant grinding ceramic sensors for medium fluid temperature -40 ℃ ~ 160 ℃ Protection class: IP68, die-cast aluminum instrument case, two meters underwater work normal output interfaces: RS232, RS485 standard configuration, 4-20mA, M-BUS, GPRS, CDMA , GSM short message is optional. Power supply: single 3.6V lithium battery can work for 6 years, optional battery can work more than a decade, working voltage 2.6V during normal operation; active 4-20mA powered (two-wire), no batteries to work properly; RS232 output host cut electrical work, no batteries to work properly; the need for external 5V power supply, no batteries RS485 output to work four, pipe ultrasonic flowmeter features suitable liquid medium: water, acid and alkali liquid, oil, etc. single uniform and stable flow, turbidity is less than 10000ppm, particle size less than 1mm Medium Temperature: Temperature: 0 ℃ ~ 160 ℃ features: two-way forward and reverse measurement, can measure positive, negative and net cumulative flow; pressure: ≤1.6MPa environment Temperature / Humidity: Host -30 ℃ ~ + 80 ℃; sensor -40 ℃ ~ + 160 ℃, the sensor work can be flooded, the water depth is less than 3m For diameter: DN10mm ~ DN1000mm straight pipe requirements: Upstream 10D, downstream 5D away from the pump?? export 30D (D: diameter)? Flow range: 0 ~ ± 30m / s Accuracy: better than 1% Repeatability: better than 0.5%