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Data Sheet | Instruction Manual
Testo 176 T4 Professional Four-Channel Temperature Data Logger
The premium Testo 176 T4 temperature data logger is a professional logging instrument equipped with four external thermocouple slots supporting Type K, Type T, and Type J connection profiles. Engineered for simultaneous multi-point logging, this device offers an extremely wide measuring range running from ultra-low -200 °C up to extreme +1000 °C conditions. With a high-capacity internal buffer holding up to 2 million readings and an exceptional battery life of up to 8 years, this configuration is optimized for deep diagnostic thermal logging and long-interval infrastructure maintenance programs. The industrial-grade housing carries a certified IP65 ingress protection rating, allowing for stable field performance within dusty, polluted, or damp operations fields.
Industrial Applications
- Cryogenic & Ultra-Low Freezer Monitoring: Precise non-destructive thermal mapping under extreme cryo environments and ultra-low biological transport layouts.
- HVAC Infrastructure Optimization: Parallel validation of complex underfloor heating line systems and multi-point flow and return temperatures tracking at major distributors.
- Heavy Industrial Production Process Controls: Continuous independent thermal trending across distinct mechanical sections, chemical pipelines, and technical plant assets.
Technical Characteristics
| Sensor Inpurt Channels | 4 external slots for interchangeable TC Type K, Type T, and Type J sensors |
| Thermal Measurement Scale | Comprehensive deployment reach from -200 °C up to +1000 °C (determined by target probe attributes) |
| Core Accuracy Performance | ±0.3 °C (-100 to +70 °C); ±0.5% of measured value (high scale limits) ±1 digit |
| Data Matrix Storage Capacity | Super-size storage module recording up to 2,000,000 measurement entries |
| Sampling Tracking Cycles | User-selectable measuring rate ranging from tight 1-second ticks up to 24-hour logs |
| Hardware Ingress Rating | IP65 protection class casing resilient against industrial dirt and direct water spray |
| Power & Field Autonomy | 1x premium Lithium battery (TL-5903) providing an 8-year field service lifecycle |
| Interface and Connectivity | Integrated Mini USB connection port along with a standard dedicated SD card slot |
Package Contents
- Testo 176 T4 four-channel professional temperature data logger
- Robust technical wall bracket fixture with integrated lock mechanism
- Official factory calibration protocol validation records