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Data Sheet | Instruction Manual
Testo 175 T3 Professional Dual-Channel Temperature Data Logger
The Testo 175 T3 temperature data logger is a heavy-duty industrial logging instrument equipped with two external channels for type K and type T thermocouple probes. Engineered for continuous thermal profile logging, it is the standard choice for monitoring heating systems flow and return temperatures simultaneously. With an extensive memory matrix holding up to 1 million measuring values and a high-tier continuous battery life of up to 3 years, this data logger reduces maintenance overhead during long-term monitoring cycles. Its heavy-duty, robust housing carries an IP65 ingress protection rating, making it completely resilient within dust-laden industrial plants and damp infrastructure facilities.
Industrial Applications
- Heating Infrastructure Optimization: Dual-channel monitoring of flow and return lines on commercial radiators and technical boiler blocks to optimize thermal balancing.
- Industrial Production Process Controls: Parallel tracking of high-temperature variations across active assembly paths, industrial lines, and chemical processing zones.
- HVAC Facility Diagnostics: Long-term temperature mapping of heat exchange modules, climate systems, and mechanical ventilation lines.
Technical Characteristics
| Sensor Input Channels | 2 external slots supporting TC Type K (NiCr-Ni) and TC Type T (Cu-CuNi) standard probes |
| Thermocouple Type K Scale | Broad logging span from -50 °C up to +1000 °C (depending on the external probe chosen) |
| Thermocouple Type T Scale | Precision recording span from -50 °C up to +400 °C |
| Instrument Measuring Accuracy | Type K/T: ±0.5 °C (-50 to +70 °C) ±1 digit; ±0.7% of measured value (+70.1 to max scale) ±1 digit |
| Memory Storage Matrix | High-capacity core module recording up to 1,000,000 technical measurements |
| Logging Sampling Rate | User-configurable tracking intervals between 10 seconds and 24 hours |
| Hardware Ingress Rating | IP65 certified structure against fine dust penetration and direct water jets |
| Power Supply Unit | 3x AlMn type AAA or Energizer batteries; user-replaceable with 3-year field life (at 15 min intervals) |
| Software Compatibility | Supports free ComSoft Basic, professional ComSoft Professional, and pharma-compliant ComSoft CFR 21 Part 11 versions |
Package Contents
- Testo 175 T3 dual-channel professional temperature data logger
- Lockable technical wall bracket fixture with integrated assembly parts
- Official factory calibration protocol validation verification documentation