GUF500 portable ultrasonic flowmeter

Accuracy ± 1% (the first domestically achieved this accuracy)
Display instantaneous flow rate, flow velocity, cumulative flow rate, signal status, etc. on the same screen with 4 lines of Chinese characters
Built in data logger that can record dates, cumulative traffic, signal status, working time, etc
OCT outputs positive and negative, net cumulative pulse signal and frequency signal
RS232 interface is used for network detection or exporting recorded data
Suitable for fluid measurement in pipelines of various sizes
Flow velocity measurement range (0.01 to ± 32m/s)
Suitable for measuring uniform, single, and stable liquids such as water, seawater, sewage, alcohol, various oils, etc
Suitable for steel, stainless steel, cast iron PVC、 Uniform and dense pipelines such as fiberglass reinforced plastic
The straight pipe section should meet the requirements of upstream 10D, downstream 5D, and 30D from the pump outlet
Built in nickel hydrogen rechargeable battery can work continuously for more than 10 hours
Small size (200 * 92 * 32mm), light weight (538 grams)

Technical parameters of GUF500 portable ultrasonic flowmeter
·Measurement host
Accuracy: 1.0%
Repeatability: 0.2%
Maximum flow velocity: 32m/s
Measurement cycle: 500ms (2 times per second)
Measurement principle: Ultrasonic time difference principle, dual CPU parallel operation, 4-byte floating-point operation
Flow direction: forward and reverse flow are measured separately, and net flow can be measured
Display: 2 * 10 backlit Chinese character LCD display
Operation: 4 * 4 touch keyboard
Input: 5 channels of 4-20mA input with an accuracy of 0.1%, capable of inputting signals such as pressure, liquid level, temperature, etc
Output: Current signal: 4-20mA or 0-20mA, impedance 0-1k Ω, floating, accuracy 0.1%
Frequency signal: optional between 1 and 9999Hz (OCT output)
Pulse signal: positive, negative, net flow and heat accumulation pulses, relay and OCT output
Alarm signal: Relay and OCT output, with nearly 20 selectable source signals
Data interface: RS232 serial interface, optional RS485 or CAN bus mode
Other functions: Memory of daily, monthly, and yearly accumulated traffic, power on and off times, traffic and traffic management functions
Optional automatic or manual accumulation function, memory of daily work status
Programmable quantitative (batch) controller
Fault self diagnosis function
Network working methods, etc
Working power supply: AC220V, DC8-36V or AC7-30V
According to the site, our company's UPS-72 backup charging power supply can be selected,
When the power is cut off (AC220V), the flow meter works continuously for 72 hours and automatically charges after being powered on again
Power consumption: less than 2W
Working hours: continuous
Environmental temperature: -30 ℃ to 80 ℃ (please contact the manufacturer for temperature requirements beyond this range)
Environmental humidity: 85% RH without condensation
Protection level: IP65
Explosion proof grade: EXd Ⅱ BT4 (F2 type)
Quality: F1: 2.5kg; F2: 2.7kg; FN: 2.5kg FS: 1.5kg
Dimensions: F1/FN: 251 * 192 * 80mm; F2: 290 * 270 * 110mm; FS: 80 * 250 * 160mm;