Flow resistance coefficient training desk

Flow resistance coefficient tr--ning desk,High and low voltage power supply technology experimental device

Feature

1. The data of the experimental device is stable, good reproducible, and can give experiments a clearer fluid resistance concept.

2. The entire device is beautiful and generous, with a reasonable structure design, and has a strong engineering atmosphere, which can fully reflect the concept of modern laboratories.

3. The equipment layout is reasonable, beautiful, the structure is clear, and the overall sense is strong. It can reflect the concept of the m--n experimental equipment in the laboratory.

4. The device is a self -propelled frame structure as a whole, and the feet are installed to facilitate the disassembly m--ntenance and handling of the system.

5. The pipeline pressure is used for industrial standards, which is stable and accurate; the differential pressure sensor measurement is used, the process is beautiful, and the operation is convenient.

6. The entire system adopts a standard industrial instrument control system, which can perform chemical principles experiments. It is also a good platform for process automation and chemical testing instrument experiments.

7. Device design can be observed at 360 degrees to achieve comprehensive teaching and experiments.

Device function

1. Learn the measurement method of direct tube friction resistance △ PF, direct tube friction coefficient λ.

2. Master the relationship between the friction coefficient and Renault number re -Rennie in different flows and its changes. Verify the relationship curve of λ and RE in the turbulence, transition, and turbulence areas.

3. Determine the local resistance coefficient when the fluid flows through the valve in turbulence.

4. Precisely measure local resistance with a four -point pressure measurement method.

5. Integrated control, high -stable data transmission, hardware encryption.

Flow resistance coefficient tr--ning desk,High and low voltage power supply technology experimental device

1. Det--led technical parameters of commonly used electricity protection cabinets

Cabinet size: 800*600*2200mm industrial -grade cabinet

Microcomputer line protection technical parameters

Technical parameters of microcomputer line protection device:

1 rated data

a. Rating power supply voltage: DC or AC 220V or DC 110V

b. Active communication data:

AC voltage: 100/v, 100V

AC current: 5A or 1A

Zero -order current: 1A

Rated frequency: 50Hz

c. Thermal stability:

AC voltage circuit: Long -term operation 1.2UN

AC current circuit: Long -term run 2in

1S 40in

Zero -order current circuit: run 2A for a long time

1S 40A

2 Device power consumption

a. AC voltage circuit: not greater than 0.5VA per phase;

b. AC current circuit: IN = 5A is not more than 1VA;

When IN = 1A, each phase is not greater than 0.5VA;

c. Zero -sequential current circuit: not greater than 0.5VA;

d. Protect the power circuit: When working normally, it is not greater than 12W; when protecting the action, it is not more than 15W.

3 environmental conditions

a. Environmental temperature:

Work: -25 ℃ ~+55 ℃.

Storage: -25 ° C ~+70 ° C, the relative humidity is not greater than 80%, and the surrounding --r does not cont--n acidic, alkaline or other corrosive and explosive gases, r--nproof and snow-proof indoor; There is no irreversible change in the device. After the temperature is recovered, the device should work properly.