LS20A portable high flow velocity meter

NegotiableUpdate on 03/14

Model

Nature of the Manufacturer: Producers

Product Category

Place of Origin

Online Consult

Overview

LS20A portable high flow velocity meter

Product Details

LS20BPortable high flow velocity meter

1、 Instrument Introduction:

The LS20A portable high flow velocity meter is a large-scale instrument for measuring hydrological velocity in rivers. It can be used for measuring high, medium, and low flow velocities in water bodies such as rivers, lakes, channels, and reservoirs. It can also be used for high-speed and ultra high speed measurements in power plant pressure pipelines and certain scientific experiments.

2、 Technical indicators

1. Rotary diameter of propeller: F120mm

2. Spiral pitch of propeller: 200mm (theoretical)

3. Instrument starting speed: Vo=0.03m/s

4. Critical speed of the instrument: Vk=≤ 0.13

5. Instrument speed measurement range: 0.05-15m/s

6. Communication components: Magnetic steel - reed switch

7. Per forwarding frequency: 2 signals

8. Relative error: When V ≥ Vk,<1.5%

When V ＜ Vk, ＜ ± 5%

9. Instrument working water depth: 0.2-3m (measuring rod)

10. Display: Full Chinese widescreen LCD display, 4-line 32-bit, with night light indicator background light

11. Storage: capable of storing 100 cross-sectional data

12. Working power supply: 7.2V \ \ 4200mAh, rechargeable

13. Working water temperature: -10~+50 ℃

14. Suspended sediment content in water: ≤ 50kg/m3

15. Continuous working hours: 24 hours (under water flow conditions with a sediment content of 50kg and a flow rate of 5m/s)

16. Switch contact capacity: current ≤ 50mA, voltage ≤ 6V

17. Enter the cross-sectional area and press the screen change button to display the instantaneous flow rate of the measured point.

18. Full Chinese menu and panel, Chinese buttons, easy and convenient operation.

19. Instrument host size: 23cm * 12.5cm * 5cm

20. Strong corrosion resistance, high reliability, and safety compliance with national standards.

3、 Instrument features

1. With a wide speed measurement range and only one propeller, it is particularly convenient for measuring flood peaks in particularly complex water conditions.

2. The bearing oil chamber has good sealing performance and can work in high-speed, high sediment rivers for one flood season (zu (i) high flow rate of 4.3m/s, zu (i) high sediment concentration of 100kg/m3) without disassembly and cleaning.

3. The propeller is made of imported excellent engineering plastics and has excellent performance such as high impact resistance, shape stability, and resistance to atmospheric natural aging. Under long-term use, the calibration coefficient K remains stable; Under normal usage conditions, the instrument does not need to be retested within the specified usage period.

4. Low speed performance of the instrument - internal friction characteristics, which can be monitored by a torque meter to ensure the low-speed performance of the instrument.

5. The instrument measurement installation method is flexible and diverse, and the directional device structure is reasonable, which can meet the direction of water flow vertically and horizontally.

6. The instrument structure is well tested, firmly installed, and can withstand high-speed impacts of 15m/s. The instrument works stably and reliably. The tail balance hammer is built-in, does not increase water resistance, and has no deflection torque.

4、 Product configuration

Serial Number	name call	quantity	unit
1	LS20A typeUniversal Hydrological Flow Meter (HanXian)	1	tower
2	Spiral propeller flowmeter sensor	1	tower
3	1MMeasuring rod	3	root
4	Signal connection line	1	strip
5	charger	1	individual
6	Appraisal Certificate	1	share
7	Big wrench	1	individual
8	Change needle	2	individual
9	Glycoside reed tube	2	individual
10	instructions	2	share
11	oil bottle	1	individual
12	tail fin	1	individual
13	base	1	individual
14	certificate of conformity	2	individual
15	Directional sign	1	individual
16	screwdriver	2	individual
17	Advanced Password Box	1	individual