WS-T21C3 Dual Temperature External Data Logger (CAT#: STEM-BC-2735-ZJF)

An external dual-channel temperature data logger covering -40°C to 100°C, with 2m sensor length. The device stores 60,000 records and supports data intervals from 1 second to hours. It offers USB Type-C communication, real-time clock display, max/min value querying, and over-limit alarm via internal and external indicators. Powered by lithium battery and optional DC 5V/1A adapter, it features a large-screen display and ABS impact-resistant housing. The logger allows temperature units switching between °C and ℉, and provides calibration certificates. It is designed for applications in laboratories, food, pharmaceuticals, electronics, and research environments.

Temperature Range: -40°C~100°C
Sensor Type: Temperature External
Sensor Quantity: Dual Channel
Sensor Length: 2m
Display Resolution: 0.1°C/0.1℉
Storage Capacity: 60,000 Records
Communication: USB Type-C
Power Supply: Lithium Battery, DC 5V/1A Adapter Optional
Operating Environment: -20°C~70°C
Dimensions: 113mm×102mm×32mm
Weight: 174g

USB Communication
Large Screen Display
Real-Time Clock
°C/℉ Switchable
High Capacity Data Storage
Max and Min Value Display
Over-Limit Alarm
External Audio-Visual Alarm Support

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