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Portable Hydrological Instruments Ultrasonic Doppler Flow Velocity Tester 

Place of Origin: Zhejiang, China (Mainland) 
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Product Detail

Model No.: ULS-1A

Portable Ultrasonic Doppler flow velocity tester, Geological survey equipment,
Water conservancy proj

Portable Ultrasonic Doppler flow velocity tester, Geological survey equipment,

Water conservancy project instrument




The ULS-1A Portable Doppler flow velocity tester is used to test the fluids flow velocity, it’s designed according to the “ Doppler effect” principle. it has no rotary parts, it can test transient flow velocity and average velocity. it’s kind of advanced flow velocity testing equipment.



  • High accuracy, wide range, can test both the weak and high current
  • High sensitivity, high resolution, no limit by the start flow velocity
  • Fast response speed, can test transient velocity and average velocity
  • Linear test graph
  • No mechanical rotary part, so have no convolving problem caused by sediment or water plants, specially suitable for the liquids with high content of suspended solids and water plants
  • Portable main machine
  • Large LCD display with backlight
  • Clock function available
  • Data processing software for storage, print, output
  • Indicating transient and average flow velocity
  • Has automatic and manual test modes, suitable for different test fields.


Technical specifications


Velocity test range




Water temperature range

(0~40) ±1

Working water depth

0.1~20m( can be extended)

Test mode


Automatic mode

0-120min optional, min interval 5mins

Manual mode

Single or continuous multimetering, free interval set

Test time

Automatic mode


Manual mode




Probe sealing pressure

> 0.45mpa

Power supply

Internal battery DC 12v ±10%

Power consumption


600ma, 7w


15ma, 0.18w

USB storage capacity

358 groups test data

Overall size

Main machine

209×110×40mm, 0.5Kg

Carrying case


Test mode


Inserted link

GPRS/GSM WiFi communication function optional



 Mr. Patrick.Chuang

Tel: 86-21-61480182
Contact to this supplier

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Company Info

Serve Real Instruments Co., Ltd [China (Mainland)]

Business Type:Manufacturer
City: Shanghai
Province/State: Shanghai
Country/Region: China (Mainland)

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