TUA type gas ultrasonic flowmeter

● Multi channel measurement, high stability

High precision and good repeatability

● Wide range ratio, ultra wide measurement range up to 1:700

● Ultra low initial flow rate

No movable parts, low maintenance required

● Built in communication module

Low requirements for front and rear straight pipe sections

● Built in independent metering lithium battery, capable of working continuously for more than 5 years

● Built in correction device

Technical performance indicators

Measurement accuracy level

The measurement accuracy level within the range is 1.0

● 0.1Qmax~Qmax Maximum allowable error: ± 1.0%, repeatability: ± 0.2%

Qmin~0.1Qmax Maximum allowable error: ± 2.0%, repeatability: ± 0.4%

Explosion proof rating: Ex ib Ⅱ A T4 Gb; Protection level: IP65

Working power supply

Internal power supply: 3.6V lithium battery, real-time display of battery capacity.

Optional external power supply: 8~24VDC, ripple ≤ 50mV.

● Medium temperature:- 20℃~+60℃

● Environmental temperature:- 20℃~+60℃

● Medium pressure: 0~1.0Mpa

● Optional built-in IoT module: 2G/NB IoT

● Can measure in both directions

The model specifications and basic parameters of the flowmeter are shown in the table below

External dimensions

The external dimensions of the ultrasonic flowmeter are shown in Figures 1 and 2. The dimensions not indicated in the figures are listed in Table 2. The flowmeter is connected by flanges, and the flange dimensions comply with the GB/T 9112~9113-2010 "Steel Pipe Flanges" standard.

Figure 1 External dimensions of TUA type gas ultrasonic flowmeter (dual channel)

Figure 2 External dimensions of TUA type gas ultrasonic flowmeter (three channel)

Note: The height in the table above does not include the antenna, which has a height of 85mm

INSTALLATION REQUIREMENTS

Standard with built-in rectifier, along the fluid direction, the length of the front straight pipe is ≥ 5DN, and the length of the rear straight pipe section is ≥ 3DN

Note: Optional without built-in rectifier, installation requirement: front straight pipe length ≥ 10DN, rear straight pipe length ≥ 5DN; Bidirectional metering, without built-in rectifier, installation requirement is that the length of the front and rear straight pipes should be ≥ 10DN.

Display mode

●Accumulated flow display: Standard condition display 0~99999999999 m ³

Operating condition display: 0~999999999 m ³

●Instantaneous flow display: Standard condition display 0~± 999999m ³/h

Operating condition display 0~± 999999m ³/h

●Medium pressure display: 0~99999kPa

●Medium temperature display:- 99.9 ~+99.9℃

●Battery level display:

●External power supply connection display:

●Measurement status display:

●Fault status display:

Mainboard system malfunction:

Flow measurement fault: Flow E-X

Pressure measurement malfunction: Pressure E-X

Temperature measurement fault: Temperature E-X