Posted in | Level Sensors | Silo Level

SPL-200 and FVL-200: Battery-Powered Laser Level Sensors for Measuring Silos

Power level and mount sensors on silos without the expense or complexity of wiring. This single point laser quickly installs via a 1.5 ” NPT connection in remote locations, or on silos where inventory monitoring has not been viable.

The FVL-200 measures livestock feed in silos up to 35 feet tall. The SPL-200 can measure solids in silos that are up to 98 feet tall in low or no-dust environments and is powered by a replaceable Lithium battery. Both models have a battery life of three to five years and take interval readings from once per hour to once a day.

An integrated wireless LoRa long range transceiver is used by the laser to convey data to a LoRa modem. Data measurements from the SPL-200 are transmitted to the Binventory software or BinView web application for easy access from a tablet, phone, or PC. Data from the FVL-200 is exclusively utilized with the FeedView application.


  • Human and pet food ingredients
  • Plastic pellets and granules
  • Dry chemicals
  • Single -point level measurement in silos up to 98 feet tall
  • Paper and pulp processing
  • Measuring bulk solids in low to no-dust environments 


  • 2 ” NPT threaded mounting with mounting plates that are adjustable or fixed
  • Sends measurement data in programmable time intervals
  • Up to 90 feet single point measurement
  • Battery-powered to eliminate wiring and simplify installation
  • Long battery life of three to five years depending on frequency of measurement
  • Dust tube protects laser from buildup to minimize maintenance
  • Visible red laser for aiming, which is safer than invisible laser
  • LoRa transceiver for reliable long-range data communications 


  • Hazardous Location: Not rated for hazardous locations
  • Mounting: 2.0 " NPT standard threaded nose, multiple mounting flange types
  • Laser Beam Size: 2.5 x 5 mm at 3 meters (FWHM)
  • Laser Wavelength: 635 ± 10nm
  • Laser Safety: <1 mW (Class 2)
  • Housing Material: Aluminum and Injection molded plastic
  • Measurement Accuracy: ±5mm (0.20 inches)
  • Data I/O: LoRa
  • Configuration I/O: LoRa and Micro USB (under sealed cover)
  • Ingress Protection: IP67
  • Wireless Communications Range:
    • >10 km (>6 miles) Line-of-Sight (LOS)
    • >1.6 km (>1 mile) Non-Line-of-Sight (NLOS) (Dependent upon terrain and line of sight obstacles)
  • Ambient Operating Temperature
    • Standard: -22 ˚F to 149 ˚F (-30 ˚C to 65 ˚C)
    • Optional: -40 ˚F to 149 ˚F (-40 ˚C to 65 ˚C)
  • Power Source: 3.6V, 19AH Internal Li-Ion battery
  • Battery Life: 3- 5 years dependent on frequency of measurement
  • Battery Voltage Reporting: Configurable
  • Measurement range: 30m (98 feet)
  • Receiver Addressing: Configurable


BinMaster Battery-Powered Laser Level Sensor

Video Credit: BinMaster 

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