Two-wire Ultrasonic Level Meter from China Manufacturer - Aister Instrument (Shanghai) Co., Ltd

Introduction Features Specifications Model Selection Application Installation

Introduction

Ultrasonic level meter is based on the Time-of-Flight principle. A sensor emits ultrasonic pulses, the surface of the media reflects the signal and the sensor detects it again. The Time-of-Flight of the reflected ultrasonic signal is directly proportional to the distance traveled. With the known tank geometry the level can be calculated.

Ultrasonic level meter for continuous level measurement of liquids or bulk solids. Typical applications are the measurement of liquids in storage tanks or open basins. The sensor is also suitable for the detection of bulk solids in small vessels or open containers. The non-contact measuring principle is independent of product features and allows a setup without medium.

The ultrasonic level meter is mainly used to measure the liquid level of the liquid medium, but it can also be applied to the level measurement of some solid media. These liquid media can include water, oil, chemical liquids, solutions, etc. The working principle of the ultrasonic level meter is to determine the distance between the liquid surface and the sensor by transmitting the ultrasonic pulse and measuring the time of its echo, so as to calculate the liquid level.

Ultrasonic level meters are usually widely used in industrial fields, such as chemical, pharmaceutical, water treatment, food and beverage production. Their non-contact measurement characteristics make them suitable for use in environments where corrosive or hazardous liquid media may be present, as well as where remote monitoring is required. This level measuring device provides accurate measurements while avoiding direct contact with the medium, reducing the risk of contamination and maintenance.

Features

Integrated design, installed conveniently.

Protected in the excessive voltage and current , protected in the thunder and lightning.

The big show window of LCD is easy to debug and observe.

Over-voltage over-current protection, lightning protection.

Advanced since the clamp type terminal, to ensure that wiring never loose.

Intellectual signal treatment technology, guarantee that the instrument meets various kinds of operating occasion.

All plastic probe, acid and alkali resistant, adapt to bad environment.

Specifications

Performance	Technical parameter
Power supply	DC24V
Display	LCD
Accuracy	0.5% -1.0%
Output current	4-20mA
Resolution	3mm or 0.1%
Temperature range	Display -20 ~ +60℃, Sensor -20 ~ +80℃
Pressure range	±0.1MPa (press definitely)
Temperature compensation	full range of automatic compensation
Cable diameter	Φ 6 ~ Φ12 mm
Single wire diameter	Φ0.5 ~ Φ1.78 mm
Measuring Cycle	1.5 seconds
8º(3db) for range	Plane Type Sensor (4m 6m 8m 12m 20m 30m)
5º(3db) for range	Horn Type Sensor (20m,30m)
Electronic unit shell material	die-casting aluminum with plastic-sprayed surface
The sensor material	ABS/PVC/PTFE
Protect grade	Display IP65, Sensor IP68
Installation:	Thread or Flange or bracket
Cable Entry:	M20
Parameter set up	3 induction buttons

Model Selection

01 Measure the medium, temperature, whether there is corrosion

02 Flow range and inside diameter of user pipe

03 Classification of process

04 Working power supply

05 Signal output, communication

06 Precision class

07 Whether to explosion-proof

08 Installation mode

Application

Industrial process

Energy measurement

Environmental protection engineering

Transportation

Biotechnology

Scientific experiment

Marine meteorology

Rivers and lakes

Installation

1. The temperature of the process may not exceed 75℃,and the pressure may not exceed ±0.1 MPa.
2. For exposed or sunny locations a protective hood is recommended.
3. Level meter must be some distance from the tank wall.
4. There's beam angle when Energy transducer radiate ultrasonic pulse. From energy transducer lower edge to measured medium,please avoid A.B obstacle in the radiation region of ultrasonic wave beam. (For example:human ladder;level switch etc).
5. Please make sure ultrasonic beam angle can not intersect with feed stream.
6. Please make sure the max material level can not enter into measuring blind area.
7. Please try to make sure the energy transducer radiate direction vertical to the medium level.

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