Non-Invasive Ultrasonic Level Switch

Non-contact measurement Ultrasonic level Switch

The Non-Invasive level switch is a new type of liquid level monitoring and alarming device. It is mainly used to monitor the liquid level of the storage tank, realize the upper and lower limit alarm or monitor whether there is a medium in the pipeline (dry state protection). It can be applied to the liquid level process control of medicine, petroleum, chemical industry, power, food, and other industries.

High/low position alarm ultrasonic level switch liquid level switch point level switch non contact level switch

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Benefits for ultrasonic level switch

High Reliability

For spherical tanks, vertical tanks, horizontal tanks, and process tanks

Repeatability error: ±2mm

Measure medium with viscosity up to 90cp
More accurate measurement

Easier to install

Shield the influence of temperature drift caused by dual probes

More convenient on-site wiring

Alarm position – At any place required. Not limited by fixed hole on the side wall.

Non-contact with the liquid inside.
No maintenance and cost saving

No maintenance, not influenced by (exp: thick oil deposits).

No tank break in; Non-side drilling; No flange

No shutdown/empty tank during installation.

Local Alarm & Display/Relay output to PLC

Principle

The sonar pulse generated by the sensor (probe) of the Non-Invasive level switch can pass through the container wall. This pulse will propagate in the container wall and liquid and will be reflected back. Through the detection and calculation of this reflection characteristic, it can be judged whether there is liquid in the container at the monitoring point. the level switch can output relay signals to PLC, SIS, etc, so as to realize the monitoring or control of liquid level on the system.

Application area

For tanks

For spherical, vertical, horizontal and other tanks.
The installation position of the tank wall probe has a length and width of 200mm.
The thickness of container tank wall ≤ 60mm
No liner or gas interlayer on the tank wall
The wall of the tank is made of hard material, such as carbon steel, 16MnR, 304, 316. Fiberglass, hard rubber, etc.
For medium

The dynamic viscosity of the liquid medium to be tested is less than 90mPa·s (cP)

Installation temperature for probe

-40℃~80℃

Operating Environment Temperature

-20℃～70℃

Environmental Humidity

(0%～95%)RH

Explosion-proof Grade

ExdllCT6

Protection grade

IP67

For tanks

For spherical, vertical, horizontal and other tanks.
The installation position of the tank wall probe has a length and width of 200mm.
The thickness of container tank wall ≤ 60mm
No liner or gas interlayer on the tank wall
The wall of the tank is made of hard material, such as carbon steel, 16MnR, 304, 316. Fiberglass, hard rubber, etc.

For medium

The dynamic viscosity of the liquid medium to be tested is less than 90mPa·s (cP)

Installation temperature for probe

-40℃~80℃

Operating Environment Temperature

-20℃～70℃

Environmental Humidity

(0%～95%)RH

Explosion-proof Grade

ExdllCT6

Protection grade

IP67

Technical parameters

Power Supply

DC 24V
Output signal

relay output (contact is passive node)
Relay capacity

(DC 30V 6A)、(AC 250V 6A)
Repeatability error

±2cm
Measurable wall thickness

≤ 60mm
Power

3 W
Communication

RS-485、Infrared、Modbus
Main engine operating ambient temperature

-40℃～+70℃
Environmental humidity

（15%～100%）RH
Electrical Interface Specification

M20×1.5
Material

Cast Aluminum
Shell Protection Level

IP67
Explosion-proof mark

ExdII CT6
Probe Shell Material

Cast Aluminum,Stainless Steel
The probe is operated at ambient temperature

- 50℃ to + 100℃ (normal temperature type)
Host Weight

2KG
Main engine outline size

158 mm long, 112 mm wide and 148 mm high
Main engine base hole diameter

M5