Intelligent Anti‑Condensation Temperature Humidity Controller for Switchgear Controller with RS485 Modbus

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Intelligent Anti‑Condensation Temperature Humidity Controller for Switchgear Controller with RS485 Modbus


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Panel‑mount intelligent temperature & humidity controller for electrical cabinet anti‑condensation. Dual digital display, manual‑auto switch, sensor break alarm, RS485 Modbus‑RTU remote communication. Used for switchgear, distribution cabinet and ring‑main‑unit moisture protection.

Model:
ZHTK-01
Brand:
YUAN

Product Description

This panel‑mount intelligent temperature and humidity controller is widely applied in high‑low voltage switchgears, distribution cabinets, ring main units and various electrical enclosures. It continuously monitors cabinet internal temperature and relative humidity, and controls external heaters or dehumidification components to eliminate condensation. It supports manual / automatic switching, sensor break alarm, as well as RS485 Modbus‑RTU for remote data reading and monitoring, protecting power equipment from moisture and corrosion damage.

Core Features

Dual LED digital display, real‑time temperature & humidity indication (℃ / %RH)
Manual / Automatic working mode selectable
Sensor cable break alarm for fault warning
Independent relay outputs for temperature load and humidity load
RS485 interface with Modbus‑RTU protocol for remote monitoring
Panel embedded installation, convenient for cabinet front‑panel mounting
Compact structure, stable operation for indoor power cabinet environment

Typical Applications

High & low‑voltage switchgear cabinets
Power distribution cabinets
Ring main units (RMU)
Electrical / control enclosures
Substation secondary cabinets

Technical Specifications

Item	Specification
Installation Type	Panel embedded mounting
Display	Dual LED digital tube, Temp: ℃ , Humidity: %RH
Measuring Range	Temperature:‑40℃ ~ +85℃; Humidity: 0~99%RH (industry general range)
Measuring Accuracy	Temperature ±0.5℃; Humidity ±3%RH (industry general accuracy)
Communication	RS485, Modbus‑RTU
Output	Relay contact output, independent for temperature & humidity load
Alarm	Sensor disconnection / cable break alarm
Power Supply	AC 85‑265V (AC wide‑voltage, industry common for cabinet instruments)
Operating Environment	‑10℃ ~ +60℃, non‑condensing
Sensor	External matched temperature‑humidity sensor
Connection	Screw terminal block wiring