Milesight | SKU: WT102-868M

Milesight WT102 | Self-Powered LoRaWAN Smart Radiator Thermostat

€113,00

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A maintenance-free LoRaWAN TRV that harvests thermal energy from radiators to eliminate the need for battery replacements.

• Energy Harvesting: Powers itself via temperature difference.
• D2D Protocol: Ultra-low latency link for local window/TH sync.
• Smart Control: Millimetric valve adjustment for 16 heat plans.

Frequency/Region

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Description

The Milesight WT102 is a groundbreaking Self-Powered LoRaWAN Radiator Thermostat designed for sustainable, large-scale building automation. By utilizing advanced thermal energy harvesting, the WT102 converts the temperature difference between the radiator and the ambient air into electrical power, effectively eliminating the cost and labor associated with battery maintenance. It features a high-precision NTC sensor for local detection, with the option to link to the WT401 wireless thermostat for enhanced room-wide accuracy. With support for Milesight D2D, the WT102 enables instant local synchronization with window sensors to pause heating when a leak of thermal energy is detected, ensuring maximum efficiency without gateway intervention.

Maintenance-Free Thermal Control

Zero-Battery Operation Harvests heat energy directly from the radiator valve. A USB Type-C port is also provided for initial charging or auxiliary power if needed.

Milesight D2D Controller & Agent Operates as both a D2D agent for external commands and a controller for local scenes, ensuring heating response times under 1 second.

Professional Heating Scenarios

• Public Buildings: Deploy maintenance-free heating in schools and hospitals where battery swaps are impractical.

• Smart Campus: Centrally manage thousands of radiators with 16 daily heating plans to align with classroom schedules.

• Historic Retrofitting: Add wireless smart control to legacy radiator systems without the need for any wiring or power infra.

What is in the Box?

• 1 x Milesight WT102 Self-Powered Thermostat

• 1 x Valve Adapter Kit (M30x1.5, Danfoss, etc.)

• 1 x Theft-deterring Accessory Pack

• 1 x Quick Start Guide

Product Certifications

CE RoHS IP30

Specifications

Primary Communication Protocol

LoRaWAN
Frequency/Region

EU868
Antenna Type

Internal
Configuration Method

NFC
Activation Method

OTAA
Environment Rating

Indoor
IP Rating

IP30
Operating Temperature

-20°C to 60°C
Enclosure Material

PC (Polycarbonate), Aluminum Alloy
Battery Type

Supercapacitor
Power Consumption

Maintenance-free (Energy Harvesting)
Measurement Technology
- Thermal Energy Harvesting: Self-powers using a Seebeck-effect thermoelectric generator (TEG) from the radiator's heat.
- Hybrid Sensing: Integrated NTC temperature sensor with support for an external wired NTC or wireless WT401 connection.
- Milesight D2D: Supports Milesight D2D protocol for near-instantaneous (<1s) synchronization with wireless thermostats.
- Smart Actuation: Intelligent valve opening adjustment based on real-time environmental detection and PID control.
Measurement Range
- Temperature Measurement: -20°C to 60°C.
- Setting Range: 5°C to 35°C (41°F to 95°F).
- Minimum Temp Difference: Requires as little as 10°C difference between valve and air for harvesting.
Measurement Accuracy
- Temperature Accuracy: ±0.5°C (0°C to 50°C).
- Position Accuracy: High-precision motor control ensures reliable valve positioning and stroke calibration.
Measurement Resolution
- Temperature Resolution: 0.1°C.
- Display: Integrated LED display with white light, supporting 180° rotation for versatile mounting.
Monitoring Parameters

Temperature, Valve Opening Percentage (%)

Document Library

WT102 Datasheet

WT102 User Manual

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Milesight WT102 | Self-Powered LoRaWAN Smart Radiator Thermostat

VAT Free Transaction Option

Secure Payment & Warranty

Delivery and Shipping