WS-T21MPRO Dual Central Temperature External Data Logger (CAT#: STEM-BC-2737-ZJF)

An external dual-channel central temperature data logger covering -40°C to 100°C with 2m sensor length. The device stores 64,800 records with 1-60 minute intervals. It features Mini USB interface, real-time clock, max/min value display, and LCD plus buzzer over-limit alarms. High-energy lithium battery provides 1-2 years operation, and the IP65 housing is ABS impact-resistant. Supports °C/℉ switching, multi-process recording, and probe interchangeability. Includes calibration certificates with optional CNAS calibration. Suitable for cold chain, laboratory, pharmaceutical, and research applications.

Temperature Range: -40°C~100°C
Sensor Type: Central Temperature External
Sensor Quantity: Dual Channel
Sensor Length: 2m
Display Resolution: 0.1°C/0.1℉
Storage Capacity: 64,800 Records
Communication: Mini USB
Power Supply: Lithium Battery
Operating Environment: -20°C~70°C
Dimensions: 93mm×62mm×22mm
Weight: 108g

No Software Required
True USB Communication
Probe Interchangeable
Multi-Process Recording
°C/℉ Switchable
IP65 Waterproof Housing
Low Power Design
LCD Display

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