4-20mA Tubular Magnetic Magnetic Level Gauge Indicator
1 Piece/Pieces
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Basic Infomation
Place of Origin: Sichuan, China (Mainland)
Brand Name: Vacorda
Certification: CE/TUV/ISO9001/SGS
Model Number: UHC-CJ
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Tubular Magnetic Level Gauge

Payment & Shipping Terms
Packaging Details: Wooden box or as your request
Supply Ability: 100 Piece/Pieces per Week
Min Control: 50mm
Pressure: From Vacuum To 42Mpa
Max Measurement: L=6m
Max Control Area: L-120mm
Density: >0.45g/cm3
Product Name: Tubular Magnetic Magnetic Level Gauge , 4-20mA Water Tank Level Indicator
After Service: 12 Months
Float Diameter: D28~120
Meterial: 304,316L,1Cr18Ni9Ti,0Cr18Ni9,00Cr17Ni14Mo2,Titanium
Keyword: Magnetic Flap Level Gauge
Port: Shanghai/Shenzhen
Product Description

4-20mA Tubular Magnetic Magnetic Level Gauge Indicator

4-20mA Tubular Magnetic Magnetic Level Gauge Indicator 0

Why choose us:
1. 23 years of instrumentation equipment production experience
2. Product support OEM / ODM, export to more than 100 countries
3. The company area 20,000 square meters, and 150+ orders per month
4. Provide email, skype, whatsapp provide 24-hour one-on-one technical support service online


Product Description

The UHC type magnetic flap liquid level gauge is made up of measuring body,dual-colored display cylinder, ruler, top&low flange, magnetic ball and transmitter (4-20mA). Based on buoyance principle, the magnetic ball in the body of the level gauge is up or down with the liquid level changing and makes dual-colored turning to show the level of medium. Each cylinder is with two-color axisymmetric structures. The distance of two cylinders is 10mm. Red side of display cylinder indicates liquid and white side display cylinder indicates air. Besides measuring liquid level, it also could measure the interface of the two kinds of liquid.


4-20mA Tubular Magnetic Magnetic Level Gauge Indicator 1

Product features

1. Simple structure, good stability and reliability.

2. Independent of medium’s physical and chemical states such as conductivity, dielectric constants, foam etc.

3. Appliable for all kinds of medium environment such as corrosive, toxic and explosive one.

4. Interface measurement or level measurement of 2 kinds of medium with different density.

5. Two-wire 4~20mADC signal output, 0.8’’ or 0.56” LED digital display.


Product Parameters

(1) Center-center distance:


(2) Medium density:

More than 0.45g/cm3

(3) Nominal pressure:

PN2.5~PN40, PN40~PN320(x 0.1MPa)

(4) Material:

SS304, 316L, PP, PTFE, or customized

(5)Operating temperature:

-190 ~ +425 °C

(6) Process connection:


(7)Indicator types: 

A: Al &ABS flap cylinder

B: Al flap plate 

C: PVC ABS flap cylinder

D: PP&ABS flap cylinder 





(8) Structure of top chamber:

1.Welding cover 

2.welding cover with M14*1.5 plug screw 


4.flange with M14*1.5 plug screw 

5.welding cover with DN20 flange 

6.flange with DN20 flange 

7.welding cover with air valve 

8.flange with air valve


(9) Structure of bottom chamber:

1.flange cover 

2.flange with drain plug screw 

3.flange with DN20 welding tube 

4.with DN20 flange 

5.with needle/ball valve

(10)Protection class:


(11)Application: Widely used in petroleum, chemical industry, oil field, pharmaceuticals industry, 

food, wine industry etc., suitable for level measurements under the environment of high/low 

temp., high pressure, strong corrosion, toxicity.

Note: Basic type, top mounted type, heat tracing type, LPG specialized type, anti-corrosive 

type, boiler steam specialized type etc, they have some differences in technical parameter. 

Different pressure has different flange specification. 

Detailed Images

4-20mA Tubular Magnetic Magnetic Level Gauge Indicator 24-20mA Tubular Magnetic Magnetic Level Gauge Indicator 34-20mA Tubular Magnetic Magnetic Level Gauge Indicator 44-20mA Tubular Magnetic Magnetic Level Gauge Indicator 5

Workshop and Processing

RS485 4-20mA Automatic Magnetic Water Tank Level Meter With Factory Price

RS485 4-20mA Automatic Magnetic Water Tank Level Meter With Factory Price


When the liquid level in the measured container rises or falls, the magnetic float in the body tube of the level gauge will rise or fall accordingly. The permanent magnet steel in the float is transferred to the magnetic flap indicator through the magnetic coupling to drive the red and white When the liquid level rises, the tilting column turns from white to red. When the liquid level drops, the tipping column changes from red to white. The red and white junction of the indicator is the actual height of the liquid level in the container to achieve a clear indication of the liquid level. The axial distance between two adjacent indicator plates is 10mm, and the liquid level indication error is &; plusmn company; 10mm.

According to the principle of buoyancy, the float moves up and down in the measuring tube as the liquid level rises and falls. The permanent magnet in the float drives the red and white column to rotate 180 degrees through magnetic coupling. When the liquid level rises, the column changes from white to red, and when it falls, the column changes from red to white to realize the liquid level indication.

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