79-81GHz Non Contact Radar Level Transmitter for Water and Chemical Tanks 3-12m Range RS485 4-20mA 0-10V DC5-28V Probe
SPECIFICATIONS
Brand Name: NONE
DIY Supplies: Electrical
Detection distance: 3m, 7m, 12m (selectable)
Electronic: No
Frequency range: 79GHz~81GHz
High-concerned chemical: None
Origin: Mainland China
Semi-finishedproduct: No
Standard cable length: 2 meters

Please note: this radar level sensor is designed for measuring water only. It cannot be used for other types of liquids.
1.NOTE
Detection Distance: Selectable options of 3m, 7m, or 12m
Measurement Accuracy: ±2mm for precise readings
Power Supply: Compatible with DC 5–28V input
Output Options: RS485, 4–20mA, or 0–10V (configurable to your system needs)
Frequency Range: 79GHz to 81GHz for stable and reliable detection
Standard Cable Length: 2 meters
Protection Level: IP65, ensuring durability in challenging environments
Mounting Options: Choose between flat bracket or L-shaped bracket for flexible installation
For further assistance, feel free to contact us.
2. Parameters
Parameter |
Specification |
Product Name |
Radar Level Sensor |
Model |
KM7679 |
Frequency Range |
79GHz ~ 81GHz |
Blind Zone |
30 cm |
Modulation Type |
FMCW |
Measuring Range |
0.20m ~ 25 m |
Power Supply |
DC 5–28V |
Transmit Power |
12 dBm |
Horizontal / Vertical Beam |
8° / 7° |
EIRP |
19 dBm |
Accuracy |
±2 mm (theoretical) |
Update Rate |
200 ms |
Average Power Consumption |
0.3 W (cycle-dependent) |
Operating Temperature |
-20°C ~ +80°C |
3. Features
High Precision Measurement
Achieves ±2mm theoretical accuracy, delivering dependable level monitoring even in demanding environments.
80GHz Frequency Band
Offers strong signal penetration and high resistance to interference, making it suitable for both liquid and solid materials.
Flexible Installation Options
Supports both bracket and front-panel mounting, allowing seamless integration into various setups.
Plug-and-Play Wiring
Comes with a pre-wired 2-meter cable for quick and easy installation and testing.
IP65 Protection
Designed to withstand water and dust, ideal for both outdoor and industrial applications.
Low Power Consumption
Operates efficiently with an average power usage of just 0.3W, reducing energy costs.
4. Applications
Ideal for a wide range of applications, including hydrological monitoring, river channels, tunnels, oil tanks, fire water tanks, and municipal pipeline systems.











5. FAQs
Q1: Is this radar sensor suitable for outdoor use?
A1: Yes, it is. With IP65 protection and a wide operating temperature range, the sensor is built for reliable performance in outdoor environments.
Q2: Can it detect both liquids and solid materials?
A2: Absolutely. The 80GHz frequency combined with FMCW technology ensures strong signal penetration for accurate detection of both liquids and solids.
Q3: How is the sensor installed?
A3: The sensor supports both bracket and front-panel mounting. Mounting accessories are available upon request for easy installation.
