Simple Structure Dust Safe Reliable External Ultrasonic Switch
External Ultrasonic Switch Working Principle
This switch uses ultrasonic technology to detect whether the liquid level in the tank reaches the set alarm position through the ultrasonic sensor. The principle is to excite the ultrasonic sensor, emit ultrasonic waves, and the ultrasonic signals are injected into the tank along with the tank wall. Due to the huge difference in acoustic impedance between the liquid and the air in the tank, there is also a huge difference in the ability of the two media to absorb ultrasonic energy. Therefore, the reflected signal of the tank wall received by the ultrasonic sensor will have obvious strength differences. Using the above principle, by detecting the received ultrasonic signal strength, it can accurately determine whether the liquid level has reached, and the relay outputs a corresponding alarm signal.
External Ultrasonic Switch Design Feature
◎Dual processing operation, the performance is more stable and reliable.
◎Ultrasonic high frequency technology, strong anti-interference ability.
◎Self-diagnosis function, fault code display and output, easy maintenance.
◎With calibration probe, realize self-calibration and reduce the influence of probe signal ambient temperature.
◎Single probe measurement, two-point high and low level control.
◎Infrared menu debugging.
External Ultrasonic Switch Technical Parameter
| Typical application |
Other explosive gas environments except coal mines |
| Measurable medium |
Pure liquid, emulsion, suspension |
| Product model |
NYKC3 |
| Shell material |
Cast aluminum |
| Probe connection |
Magnet adsorption, gluing, tying, etc. |
| Measurement points |
Up to 2 points |
| Power supply |
DC 24V |
| Signal output |
SPDT and dry contact |
| Ambient temperature |
- 40 ~ + 60 ℃ |
| Environment humidity |
15% ~ 100% RH |
| Sensor temperature |
-40 ℃~ + 100 ℃ |
| Container material |
Steel, stainless steel, glass, dense materials such as non-foamed plastics |
| Contact rating |
250VAC/10A,30VDC/10A,60VDC/0.5A |
Product Tags:
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External Cast Aluminum Ultrasonic Level Transmitter Magnet Adsorption For Dust Images
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