COMET W3745 4-CHANNEL WIFI TEMPERATURE & HUMIDITY SENSOR | PoE/USB-C

The Comet W3745 is a professional-grade WiFi sensor designed for multi-point environmental monitoring, supporting up to four external probes for temperature and humidity.

A multi-channel WiFi transmitter for temperature and humidity, supporting one combined digital probe and three Pt1000 probes for remote monitoring.

 

 

COMET W3745 4-CHANNEL WIFI TEMPERATURE & HUMIDITY SENSOR | PoE/USB-C

The W3745 provides high-precision climate monitoring by connecting to existing WiFi infrastructure to send data to the COMET Cloud or a local database. It calculates advanced metrics like dew point, absolute humidity, and specific enthalpy. The device features a large backlit LCD and internal memory to prevent data loss during network outages, and it supports open communication protocols like Modbus TCP and SNMP for third-party integration.

PRODUCT USES:

  • Data Centers: Monitoring distributed server racks for hotspots.
  • Food & Pharma: Cold chain tracking and laboratory climate regulation.
  • Museums & Archives: Protecting sensitive collections at multiple points.
  • Greenhouses: Managing multi-zone humidity and soil/air temperatures.

 

Technical Sheets

Instruction Manual

Catalog Page

Specifications

COMET W3745 4-CHANNEL WIFI TEMPERATURE & HUMIDITY SENSOR | PoE/USB-C – KEY SPECIFICATIONS

  • Channels: 1x Combined T+RH probe (ELKA) + 3x Pt1000 temperature probes (CINCH).
  • Measuring Range (Pt1000): -90°C to +260°C (standard) or -150°C to +600°C (optional).
  • Connectivity: WiFi 2.4 GHz (IEEE 802.11 b/g/n) with WPA3 security support.
  • Transmission Interval: Adjustable from 5 minutes to 12 hours.
  • Alarms: Visual LED, acoustic buzzer, and email notifications.
  • Power: 5V DC via USB-C connector (typically 150mA).
  • Protection Rating: IP30 indoor-rated housing. 

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