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Tinytag- TE-4021 Plus LAN Data Loggers

The Tinytag TE-4021 Plus is a high-resolution LAN-enabled temperature data logger that uses an external thermistor probe. It allows precise, on-site monitoring with robust Ethernet connectivity and waterproof housing for industrial or laboratory environments.

  • Wide Temperature Range: Measures -40°C to +125°C with 0.02°C resolution.
  • Accurate & Stable: Temperature stability of ±0.01°C per °C change from 25°C; accuracy depends on probe and conditions.
  • LAN Connectivity: Ethernet/PoE-enabled with battery backup for continuous, reliable data communication.
  • Rugged & User-Friendly: IP67 waterproof housing, remote alarm signaling, and easy installation.

Description

The Tinytag TE-4021 Plus LAN Data Logger is a high-precision temperature monitoring device designed for wired network applications. Using an external thermistor probe, it measures temperatures from -40°C to +125°C with a resolution of 0.02°C and excellent temperature stability of ±0.01°C per °C change from 25°C. Its accuracy depends on the probe and conditions, making it suitable for critical industrial, laboratory, and environmental monitoring where reliable, continuous data collection is required.

This logger features IP67 waterproof housing, LAN/Ethernet connectivity with PoE support, battery backup, and robust communication for on-site recording. It also supports remote alarm signalling, making installation and monitoring straightforward. The TE-4021 Plus combines durability, precise measurement, and real-time network connectivity for flexible and reliable temperature logging.

Features

  • Connectivity via LAN/Ethernet
  • PoE thermistor probe with battery backup
  • Simple installation Robust data communications
  • Recording on location
  • High reading resolution and accuracy
  • Case waterproof to IP67 with remote alarm signalling

Specifications

Reading Specification

Parameter Specification
Reading Range -40°C to +125°C
Sensor Type Thermistor (external probe)
Logger Resolution 0.02°C or better
Temperature Stability ±0.01°C / °C change from 25°C
Logger Accuracy Dependent on probe / conditions (not specified)

Physical Specification

Property Specification
IP Rating IP67 (waterproof)*
Operational Range -20°C to +55°C**
Case Length/Height 161 mm / 6.34″
Case Width 113 mm / 4.45″
Case Depth 62 mm / 2.44″
Weight 391 g / 13.79 oz

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