Milesight WS201 - Smart Fill Level Monitoring Sensor

Milesight WS201 - Smart Fill Level Monitoring Sensor


A compact LoRaWAN® fill-level sensor using ToF technology to monitor small containers like tissue boxes. High accuracy, NFC setup, low power consumption for up to 2 years maintenance, and IP30 protection. More
Manufacturer: Milesight Product code: 99.25.2009.0552

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60,90 USD excl. VAT (73,69 USD incl. VAT)
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A compact LoRaWAN® fill-level sensor using ToF technology to monitor small containers like tissue boxes. High accuracy, NFC setup, low power consumption for up to 2 years maintenance, and IP30 protection. More
Manufacturer: Milesight Product code: 99.25.2009.0552

The Milesight WS201 is a wireless fill-level monitoring sensor that securely monitors a small container’s fill level, especially tissue boxes, using precise Time-of-Flight (ToF) sensing. With only 1 to 55 cm detection, it delivers accurate, non-contact measurements and supports low-level percentage-based alerts. It is designed for real-world settings with a moisture-resistant coating and ultra-compact design that fits metal environments like restroom stalls. 

Battery-powered via a single coin cell (CR2450) lasts around 2 years and is easily configured via NFC with mobile apps. Compatible with standard LoRaWAN® networks and Milesight IoT Cloud, it enables real-time monitoring and automatic alerts, perfect for maintaining hygiene, reducing waste, and streamlining maintenance.

Before you install

  • Setup: via the Milesight ToolBox app (NFC).
  • Power: a replaceable CR2450 battery, ~3.6-year life.
  • Data: over LoRaWAN — needs a LoRaWAN gateway to send data (sold separately); remote monitoring via the Milesight platform is free for up to 10 devices.

Parameters

Wireless Protocol

LoRaWAN®, OTAA/ABP Class A; multi-region bands; Tx up to 16 dBm; Sensitivity –132 dBm @ 300 bps
Detection (ToF) Range: 1–55 cm;
FoV: 25° ±5°;
Accuracy: ±1 cm;
Resolution: 1 mm (1–15 cm), 2 mm (15–35 cm), 3 mm (35–55 cm)
Power 1 × 590 mAh CR2450 coin cell; battery life ~2 years (60-min reports, 25 °C, SF7 EU868)
Physical ABS+PC (flame-retardant), IP30; 66 × 38 × 12 mm; 24.7 g with battery
Environment Operating Temp: –10 °C to +60 °C;
RH: 0–95 % non-condensing
Installation Flat surface with 3M tape
Configuration Mobile app via NFC; threshold alarms; hibernate/sleep mode
Certifications CE, FCC, RoHS compliant

Documentation

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