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Ultrasonic water tank digital level meter sensor radar liquid level sensor

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Ultrasonic water tank digital level meter sensor radar liquid level sensor

Name: Ultrasonic water tank digital level meter sensor radar liquid level sensor
Brand: ZHYQ
Price: 1 USD

Brand Name : ZHYQ

Model Number : PT124B-607

Certification : CE, ROHS, SIL, etc

Place of Origin : China

MOQ : 1

Price : Negotiate

Payment Terms : T/T, L/C, D/A, D/P, Western Union, MoneyGram

Supply Ability : 1000 pieces per month

Measure range : (0.3-10) m

Output signal : 4-20 mA / HART protocol

Process connection : M95*2 or flange

Accuracy : ± 0.25% full scale

Process pressure : (-0.02-0.1) MPa

Process temperature : (-40-70) ° C

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Product Overview

Ultrasonic Level Meter

PT124B-607 is the latest professionally manufactured universal integrated ultrasonic level meter. It takes advantage of its own and domestic and international level meter to achieve full digitization, data transmission and human-machine communication functions. The main chip adopts imported industrial-grade single-chip microcomputer, digital temperature compensation and ultra-wide voltage input regulator. Has strong anti-interference ability. You can arbitrarily set the upper and lower limit nodes and online output adjustment. It can choose analog, and RS485 output. Interface to related facilities is convenient. It can meet most liquid level measurement requirements without contacting industrial media, thereby completely solving the disadvantages of tangling, blocking, leakage, and media corrosion caused by traditional measurement methods.

FEATURES AT A GLANCE

False echo storage function

Built-in temperature compensation beam is small

Simple commissioning and calibration

Aluminum enclosure, optional explosion-proof type,

both liquid and solids can be measured,

optional open channel flow function,

Chinese and English menu, with echo curve display function.

With frequency adjustment function, with noise filtering function;

PRODUCT SPECIFICATIONS

Item	Data
Measure range	Standard prob:	Liquid :	(0.3-10) m
		Solid :	(0.3-4) m
	Anti-corrosion sealed probe:	Liquid :	(0.3-8) m
		Solid :	(0.3-4) m
Output signal	4-20 mA / HART protocol (24V DC 2-wire / 4-wire ) 4-20 mA / HART protocol (220V AC 4-wire)
Process connection:	M95*2 or flange, support
Accuracy:	± 0.25% full scale
Process pressure:	(-0.02-0.1) MPa
Process temperature:	(-40-70) ° C
Transducer enclosure material:	PA66+GF30 or PVDF
Protection level:	IP67
Explosion-proof grade:	Exia IIB T6 Ga

Application

Generally suitable for liquid level measurement with regular and flat surface,

Petroleum, mining, power plants, water treatment,

Chemical industry, electric power, metallurgy, petroleum, semiconductor, etc.

Pollution occasions, Measurement of solid particles

Particularly suitable for corrosive (acid, alkali) media,

Level measurement in the case of substances that are prone to adhesion.

Working principle

Ultrasonic level transmitter are mostly used for continuity measurement, mainly using the principle that sound waves hit the liquid surface to generate reflected waves, and measure the time required from the emitted wave to the time when the reflected wave returns. In practical applications, the ultrasonic level meter is vertically installed on the liquid surface. When the ultrasonic level meter works, it will emit an ultrasonic pulse to the liquid surface. After a period of time, the sensor of the ultrasonic level meter will be connected to the liquid surface. The returned signal is based on the time difference between the ultrasonic level meter transmitting and receiving the ultrasonic wave, so as to calculate the distance from the liquid surface to the sensor, and the specific height of the liquid level can be calculated. In the above working principle, the speed of sound in the medium is c, the time difference between the echo and the transmitted pulse is t, and then the distance D between the sensor and the object surface is calculated according to the formula D = c × t / 2. Please understand the measurement principle of the ultrasonic level meter in combination with the following figure. The calculation formula is: L = E-D, where E is the empty tank distance, F is the range (full tank distance), L is the material level, BD is the measurement blind zone, and D The distance from the sensor housing plane to the liquid surface.

Attention

In the application process of the ultrasonic level meter, the following matters need attention:

1. If measure corrosive media, please choose an ultrasonic level meter with anti-corrosion probe;

2. if measure flammable and explosive media, please choose an ultrasonic level meter with explosion-proof performance;

3. Generally, the ultrasonic level meter is not suitable for mediums with large temperature change spans and large uneven liquid levels;

4, because the propagation of ultrasonic waves requires a medium, the ultrasonic level meter cannot be used in a vacuum

environment;

5. Both steam and dust will hinder the sound wave transmission of the ultrasonic level meter to some extent and affect the measurement effect. Therefore, the ultrasonic level meter cannot be used if there are many steam and dust conditions.

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