tua series ultrasonic gas flowmeter
●multi-paths measurement, high stability
●high precision,good repeatability
●wide rangeability, maximum measurement rangeability up to 1:700
●very low starting flowrate
●no moving part for less maintenance
●built-in communication module
●low requirement for straight inlet and outlet pipe
●long built-in battery life, can continuously work for at least 5 years
●built-in corrector
specifications
measurement accuracy
●the measuring accuracy class within the range is: 1.0
●0.1qmax~qmax ≤ ±1.0%
●qmin~0.1qmax ≤ ±2.0%
●repeatability：0.1qmax~qmax:≤±0.2%，qmin~0.1qmax：≤±0.4%
ex approval：ex ib ⅱa t4 gb
protection approval：ip65
power supply
●built-in 3.6v lithium battery, with real-time battery displayed
●optional external power supply: 8~24vdc, ripple≤50mv
the following table provides the product types and specifications
medium temperature:-20℃~ 60℃
●environment temperature：-20℃~ 60℃
●medium pressure：0~1.0mpa
●optional built-in iot module：2g/nb-iot
●optional two-way measurement
external dimensions
external dimensions of ultrasonic flowmeter are shown in figure1 and 2 . the unfilled sizes are listed in table 2. the flowmeter adopts flange connection, and the flange dimension follwed standard of gb/t 9112 ~9113-2010 steel pipe flange.
figure1 external dimensions of tua dn25-80
figure2 external dimensions of tua dn100-200
installation requirements
built-in conditioner is standard equipped in the meter. in the flow direction, the length of straight inlet pipe≥5dn, the length of straight outlet pipe≥3dn
note：installation requirments for meters without built-in conditioner : in the flow direction, the length of straight inlet pipe≥10dn, the length of straight outlet pipe≥5dn
installation requirments for meters with two-way measurement: the length of straight inlet and outlet pipe≥10dn
lcd display
●total volume: under standard condition 0~9999999999m³
under operating condition 0~9999999999 m³/h
●instant flow rate: under standard condition 0~±999999m³
under operating condition 0~±999999m³/h
●operation pressure:0~99999kpa
●operation temperature：-99.9 ~ 99.9℃
●battery capacity： 
●external power access ： 
● measuring state： 
● failure state：
mainboard system fault : 
flow measurement fault：flow e-x
pressure measurement fault: pressure e-x
temperature measurement fault：temperature e-x
contact us
