Products
Environmental sensors, instruments and IoT gateways for professional monitoring projects. All devices support Modbus RTU / RS485 and can be customized (OEM/ODM). Can't find what you need? Ask our engineers →
Software & Platform
HFY-SW-TB
ThingsBoard IoT Platform — Deployment & Integration Service
We install, configure and customize ThingsBoard for your project — devices, dashboards, rule chains, alarms and reports, on…
IoT Gateways & Dataloggers
HFY-GW200
HFY-GW200 NB-IoT / 4G Modbus Gateway
Cellular RTU gateway — RS485 Modbus to MQTT/HTTP over NB-IoT or 4G LTE, with ThingsBoard-ready payload, alarms and…
IoT Gateways & Dataloggers
HFY-DL100
HFY-DL100 LoRaWAN Field Data Logger
IP68 LoRaWAN data logger with RS485 master port — polls up to 8 Modbus sensors and uplinks over…
Water Quality Sensors
HFY-TB30
HFY-TB30 Turbidity Sensor
ISO 7027 compliant 880 nm turbidity sensor with automatic wiper — months between cleanings in river and effluent…
Water Quality Sensors
HFY-DO20
HFY-DO20 Optical Dissolved Oxygen Sensor
Fluorescence-based dissolved oxygen sensor — no membranes or electrolyte, one calibration per year — the aquaculture favorite.
Water Quality Sensors
HFY-PH10
HFY-PH10 Digital pH / ORP Sensor
Industrial digital pH and ORP sensor with built-in transmitter, RS485 Modbus output and flat self-cleaning electrode for dirty…
Water Quality Sensors
HFY-WQ600
HFY-WQ600 Multi-Parameter Water Quality Sonde
Digital multi-parameter probe measuring pH, ORP, dissolved oxygen, conductivity, turbidity and temperature in one body — Modbus RTU,…
Weather Stations
HFY-RG01
HFY-RG01 Tipping Bucket Rain Gauge
0.2 mm resolution tipping-bucket rain gauge with self-emptying mechanism and optional heating for all-weather precipitation monitoring.
Weather Stations
HFY-WS200
HFY-WS200 Cup & Vane Weather Sensor
Cost-effective mechanical wind sensor with hall-effect speed and potentiometer direction outputs — the workhorse for wind resource and…
Weather Stations
HFY-WS400
HFY-WS400 All-in-One Ultrasonic Weather Station
Compact ultrasonic weather station measuring wind speed & direction, temperature, humidity and pressure with no moving parts —…