Updated: 27 Feb 2025

velocity measuring instruments

Updated: 27 Feb 2025

#1

Best Choice
GOWE Velocity measuring instrument, the flow velocity apparatus Ls series Type A

9.8

GOWE

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Main highlights

type A is A large range of flow velocity apparatus, used for river, hydropower station, spillway, pressure pipe to the dam of the high speed measurement folded, and reservoir, lakes and rivers in the general, low speed measurement. LS25-3 type A velocity apparatus compact structure, flexible rotation, waterproof "good performance./ Second, the main technical indexes/ 1. Screw propeller rotary diameter: 120 mm/ 2. Screw propeller hydraulic pitch: b = 250 mm, left-lateral/

3. Screw propeller material: PC engineering plastic/ 4. Instruments up speed: V0 than 0.036 m/s/ 5. Speed range: 0.04 to 10 m/s/ 6. The critical speed: Vk than 0.14 m/s/ 7. Check formula mean square error: 1.5% or m/ 8. Instruments work water depth: 0.16 m than H than 40 m/ 9. Between the two signals RPM: 20 to turn/

10. Contacts capacity: current than 300 mA/ Voltage than 4.5 V (inductance back/ Road should add fire extinguishing spend circuit)/ 11. Continuous working hours: more than 8 hours/ 12. Instruments work water temperature: never icy water temperature to 40C/ 13. To adapt to the sediment concentration: more than 50 kg/m3/
#2

Value for Money
GOWE Velocity measuring instrument, the flow velocity apparatus Ls series Type D

9.7

GOWE

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Main highlights

Second, the main technical indexes./ 1. Screw propeller rotary diameter: 120 mm./ 2. Screw propeller hydraulic pitch: b = 250 mm, left-lateral./ 3. Screw propeller material: PC engineering plastic./ 4. Instruments up speed: V0 than 0.025 m/s./ 5. Speed range: 0.04 to 10 m/s./

D model is a large range of flow velocity apparatus, used for river, hydropower station, spillway, pressure pipe to the dam of the high speed measurement folded, and reservoir, lakes and rivers in the general, low speed measurement. D model velocity apparatus compact structure, flexible rotation, waterproof "performance is very good./

6. The critical speed: Vk than 0.14 m/s/ 7. Check formula mean square error: 1.5% or m/ 8. Instruments work water depth: 0.16 m than H than 50 m/ 9. Between the two signals RPM: 1 turn a signal (1 turn two signal please further order)/ 10. Contacts capacity: current than 400 mA/
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#3
River Open Channels Flow Velocities Measuring Instrument Velocity 0.01-5.00 m/s FM-210V5

9.6

HFCCYBGS

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Main highlights

*Simple structure, light and convenient,

* Power consumption, complete functions,

* High degree of automation, stable and reliable,
#4
Bushnell Speed Gun Velocity Radargun Speed Measuring Instrument Parallel Import Goods [One-touch Simple Measurement]

9.5

Bushnell
#5
Akozon Ultrasonic Thickness Gauge GM100 Digital Thickness Meter Tester Sound Velocity Meter Measuring Instrument for Metal Range 1.2300mm

9.4

Akozon

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Main highlights

【LCD display】: The large LCD display offers clear and easy-to-read measurements, allowing you to work efficiently and effectively.

【High precision】: Measure sound velocity with a given thickness to enhance the accuracy of your readings, ultrasonic thickness gauge for professionals who value precision.

【Automatically calibration】: Auto calibration feature ensures pinpoint accuracy in all your measurements, ultrasonic thickness tester for reliable results.
#6
Digital Wind Speed Meter Anemometer Handheld Wind Gauges Air Flow Velocity Meter for Measuring Wind Chill Temperature Speed, Wind Meter Thermometer Gauge for Shooting Windsurfing Fishing Hunting

9.1

XRCLIF

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Why we love it

Easy to use and carry.

Affordable with good value.

Versatile for various activities.

Main highlights

Versatile Functionality
Measures wind speed, air temperature, and wind chill efficiently.

Ideal for Outdoor Activities
Perfect for sports, recreation, and basic home use.

Praised for Ease of Use
Simple operation with intuitive controls and compact design.
#7
GOWE current meter.Velocity measuring instrument, the flow velocity apparatus Ls series

9.0

GOWE

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Main highlights

type 1 spin paddle type velocity apparatus working principle is: when the role of inductive components into the instrument-blades, blades which produce the rotary motion, the water flow faster, the faster the blades, speed and flow velocity between exist certain function relation, namely V = f (n). Say so, sure water flow, in fact as long as accurate measure instrument blade rotation and corresponding time line. /

type 1 spin paddle type velocity apparatus is a kind of rivers hydrological instrument, mainly used for testing generally rivers, channels and reservoirs, lakes and section water in the average speed of flow measuring reservation, so as to determine the cross-section of the flow./

the key technical indexes/ 1. Speed range: V = 0.06 ~ 7.0 m/s/ 2. Work water depth: general is not more than 24 m;/ 3. Work water temperature: 0 ~ 40C;/ 4. Work water quality: fresh water (contain not excessive minerals) or contains the sediment muddy water/ 5. Continuous work of total time: 8 h;/ 6. Instrument up turn speed: V0 than 0.05 m/s/ 7. Check formula of the mean square error: 1.5% or m/ 8. Blades pitch: 250 mm;/
#8
GOWE Velocity measuring instrument, the flow velocity apparatus Ls series Type C2

8.9

GOWE

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Main highlights

The main technical indexes/ 1, screw propeller hydraulic pitch: K = 250 mm/ 2, speed range: 0.04-10 m/s/ 3, the critical speed: Vk than 0.12 m/s/ Instrument up speed: V0 than 0.035 m/s/ 4, mean square error: M than plus or minus 1.5%/

C2 type spiral paddle type velocity apparatus is a kind of new retrofit equipment, adopting magnetoelectricity conversion principle, non-contact type measuring, signal acquisition number, high sensitivity, waterproof, control performance is good, the instrument compact structure, is a big range velocity apparatus. Used for general rivers and reservoirs, lakes, estuary, hydropower station, the spillway etc, medium, low velocity measurement. With HR-type 2 velocity measurement instrument./

5, between the two signals RPM: N = 1/4 (instrument every turn four signal)/ 6 work, water depth: 0.2 m above/ 7, signal to accept treatment: HR-type 2 velocity measurement instrument (adaptive linear relationship) can point velocity, some flow./ 8, power: DC6V (four section 5, the battery)/ 9, use of the environment temperature: -10C ~ 45C/
#9
Water Flow Meter, LS300A Flow Meter River Open Channels Flow Velocities Measuring Instrument Portable Slurry Typr Flow Meter Range 0.01~4.0m/s Velocity Meter More Accurate on Flow Monitoring

8.8

CVXDD

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Main highlights

LS300A portable flow rate meter (hereinafter referred to as portable flow meter) is the nanjing zhuoma electromechanical co., LTD., specifically for hydrological stations, factories and mines, environmental protection monitoring station, farmland irrigation and drainage, hydrogeology survey and other departments in the field of velocity of flow in open channel flow measurement.

LS300 - A type of intelligent flow velocity meter rotors can form A complete set of new type velocity sensor, the sensor is to adopt advanced technology of the latest developed at the end of 2004, rotary pulp spiral Angle, pitch, production process and material are redesigned, rotary pulp diameter of 15 mm and 12 mm respectively (rotors reflective surface adopts advanced electroplating process, wear resistance, strong signal), the starting velocity of 1 cm/s or less, starting speed, speed
#10
GOWE A portable velocity measuring instrument Velocity measuring range: 1~400 cm/s

8.7

GOWE

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Main highlights

the starting velocity of 1 cm/s or less, starting speed, speed measuring range, linearity, concentricity, rate coefficient and the mean square error indexes than in the past such as sensor has greatly improved and improve./ Velocity measuring range: 1 ~ 400 cm/s. Sampling time: 1 ~ 99 seconds to choose;/ Figure 1. Portable flow meter installation drawing/

A type of intelligent flow velocity meter rotors can form A complete set of new type velocity sensor, the sensor is to adopt advanced technology of the latest developed at the end of 2004, rotary pulp spiral Angle, pitch, production process and material are redesigned, rotary pulp diameter of 15 mm and 12 mm respectively (rotors reflective surface adopts advanced electroplating process, wear resistance, strong signal),/

A portable flow rate meter (hereinafter referred to as portable flow meter) is the nanjing zhuoma electromechanical co., LTD., specifically for hydrological stations, factories and mines, environmental protection monitoring station, farmland irrigation and drainage, hydrogeology survey and other departments in the field of velocity of flow in open channel flow measurement./

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velocity measuring instruments

GOWE Velocity measuring instrument, the flow velocity apparatus Ls series Type A

9.8

Main highlights

GOWE Velocity measuring instrument, the flow velocity apparatus Ls series Type D

9.7

Main highlights

River Open Channels Flow Velocities Measuring Instrument Velocity 0.01-5.00 m/s FM-210V5

9.6

Main highlights

Bushnell Speed Gun Velocity Radargun Speed Measuring Instrument Parallel Import Goods [One-touch Simple Measurement]

9.5

Akozon Ultrasonic Thickness Gauge GM100 Digital Thickness Meter Tester Sound Velocity Meter Measuring Instrument for Metal Range 1.2300mm

9.4

Main highlights

Digital Wind Speed Meter Anemometer Handheld Wind Gauges Air Flow Velocity Meter for Measuring Wind Chill Temperature Speed, Wind Meter Thermometer Gauge for Shooting Windsurfing Fishing Hunting

9.1

Why we love it

Main highlights

GOWE current meter.Velocity measuring instrument, the flow velocity apparatus Ls series

9.0

Main highlights

GOWE Velocity measuring instrument, the flow velocity apparatus Ls series Type C2

8.9

Main highlights

Water Flow Meter, LS300A Flow Meter River Open Channels Flow Velocities Measuring Instrument Portable Slurry Typr Flow Meter Range 0.01~4.0m/s Velocity Meter More Accurate on Flow Monitoring

8.8

Main highlights

GOWE A portable velocity measuring instrument Velocity measuring range: 1~400 cm/s

8.7

Main highlights

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