Viewsonic Series Ultrasonic Level Sensor


SKU: VSL-200-RD Category:


Wireless Ultrasonic Level Sensor

Monitor your outdoor tank effortlessly from the comfort of your living room, even if you’re up to 100 meters away. The receiver unit offers versatile placement options – you can mount it on a wall or simply extend the stand and position it on your kitchen table or desk. With this device, you’ll have access to essential information such as room temperature, tank temperature, and water level, which is conveniently represented by a 10-element bar graph. You can also keep track of minimum and maximum records and configure alarms for specific water levels, including high, low, or when the tank is empty.


  • Wireless Convenience: Monitor your outdoor tank from up to 100 meters away.
  • Versatile Placement: Receiver unit can be wall-mounted or placed on a table or desk.
  • Essential Information: Displays room temperature, tank temperature, and water level.
  • Bar Graph Display: Water level represented by a 10-element bar graph for easy visualization.
  • Alarms: Configure high, low, or empty tank alarms for added convenience.
  • RoHS Compliant: Ensures adherence to environmental standards.
  • Technical Specifications:
    • Indoor Temperature Range: 0~60°C
    • Liquid Temperature Range: -40~60°C
    • Display Screen: Digital LCD Display
    • Liquid Depth Range: 0 ~ 15m
    • Display Accuracy: 0.01m
    • Measurement Accuracy: ±0.03M
    • Transmission Frequency: 433MHZ
    • Launch Range: 100m (open area)
    • Transmitter Frequency: Sends once every 30 seconds when liquid level changes, and once every 3 minutes when it does not.
    • Alarm Duration: 120 seconds
  • Power Supply:
    • Receiver: 2xAA batteries
    • Transmitter: 6XAAA batteries
  • Enclosure: NEMA 4X PP
  • Battery Operated: Approximately 5 years life expectancy.
  • Digital LCD Display: Clear and easy-to-read display.
  • All Plastic Design: Lightweight and durable construction.
  • Non-Contact Technology: Suitable for double-walled tanks.
  • Wireless Communication: Communicates wirelessly with remote display over 200ft.
  • Remote Applications: No wiring required for installation.
  • Low / High Level Display Indication: Easily monitor tank levels.
  • Ultrasonic Level Sensor: Utilizes ultrasonic technology for accurate level measurement.

Datasheet for the ViewSonic wireless level sensor

Additional information

Weight 10 lbs
Dimensions 12 × 12 × 12 in