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 easy to configure. Compatible with Milesight LoRaWAN® gateway and IoT Cloud solution, users can know the containers' status and fill level in real-time and manage them effectively and remotely.

• suitable for diverse toilet paper dispenser
• accurate fill level monitoring with ToF technology
• up to 2 years battery life with one coin cell battery
• wireless reployment and easy maintenance

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
• compliant with Milesight IoT Cloud

Physical characteristics:

• 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

Streamline refilling with smart monitoring

• WS201 is a wireless sensor that utilizes ToF technology to monitor the fill level of containers with high accuracy. Working with Milesight LoRaWAN® gateway and Milesight IoT Cloud, WS201 allows users to remotely monitor and manage container fill levels and status in real-time.

Accurate monitoring with ToF technology

• WS201 utilizes advanced ToF (Time of Flight) technology for precise distance measurement, ensuring accurate detection of toilet paper fill levels. Additionally, it has a minimal blind zone of only 1 cm.

Flexible paper remaining alerts

• Optimize alerts and notifications for paper supply by implementing customizable threshold levels for greater flexibility.

Tailored construction for compactness

• Ultra-thin body design effectively saves deployment space and adapts to various sizes of toilet paper dispensers.

Simplified convenience at its finest

• DevEUI QR code on the front for quick scanning
• buckle-open lid design for easy maintenance

Versatile applications:

• toilet paper dispenser monitoring
• paper towel level monitoring
• shelf stock level monitoring

Hibernate mode

• Schedule hibernate mode to align with scenarios such as mall closing and office hours ending.

Ultra low power consumption

• The WS201 is powered by a long-lasting coin cell battery that can last up to 2 years. This ensures uninterrupted usage and eliminates the need for frequent battery replacements.

LoRaWAN® based

• penetrating signals: data transmission range up to 2 km in urban areas and 15 km in rural areas
• high compatibility: compliant with standard LoRaWAN® gateways and network servers

Cloud data management Milesight IoT Cloud:

• data visualization dashboard: all figures in a glance
• automatic triggers: interactive collaboration with Milesight IoT sensors to realize scene-based automation
• regular reports & real-time alerts: data-based insights
• Android & iOS app: manage devices at your fingertips