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Fill Level Sensor -WS201

WS201 is a wireless fill-level monitoring sensor that securely monitors a small container’s fill level especially tissue boxes. Equip with the ToF technology with a high-focusing detecting range, WS201 is best suited for close-range sensing applications with great accuracy. Its ultra-low power consumption and standby mode ensure a durable battery life. With a special structure design and damp-proof coating, WS201 can work stably in the metal environment and multiple scenarios. Built-in NFC makes it more operable and easier to configure.

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Features

  • High-focusing detection ranges from 1 to 55 cm with great accuracy based on Time-of-Flight technology
  • Non-contact detection with wireless deployment
  • Allow reporting the remaining amount by percentage with pre-set alarm thresholds
  • Ultra-low power consumption with standby mode, ensuring a durable battery life
  • Easy to install with its ultra-compact size and equip with NFC configuration
  • Highly adaptive to most tissue boxes with a stable signal
  • Damp-proof coating inside the device to ensure it works well in various conditions of bathrooms and other scenarios
  • Function well with standard LoRaWAN® gateways and network servers

Specifications

Wireless Transmission

  • Protocol: LoRaWAN®
  • Tx Power: 16 dBm (868 MHz)/22 dBm (915 MHz)/19 dBm (470 MHz)
  • Sensitivity: -132dBm@300bps
  • Mode: OTAA/ABP Class A

Distance Measurement

  • ToF FoV: 25 °
  • FoV Accuracy: ± 5 °
  • Detection Range: 1 ~ 55 cm
  • Detection Accuracy: ± 1cm
  • Detection Resolution:
    • 1mm (1.0≤X≤15.0cm)
    • 2mm (15.0<X≤35.0cm)
    • 3mm (35.0<X≤55.0cm)
    • X = Detection Distance

Others

  • Button: 1 × Reset Button (Internal)
  • LED Indicator: 1 × Indicator (Internal)
  • Configuration: Mobile App (via NFC)
Power Supply:

1 × 590mAh CR2450 Lithium Battery

Battery Life:

~2 Years

Operating Temperature:

-10°C ~ +60°C

Relative Humidity:

0 ~ 95% (non-condensing)

Color & Material:

White, ABS + PC (Flame Retardant)

Ingress Protection:

IP30

Dimension:

66 × 38 × 12 mm (2.60 × 1.50 × 0.47 in)

Installation:

On the flat surfaces with 3M tapes

Warranty:

2 Years

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Frequently Asked Questions

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