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The Testo Efficient & Robust Air Probe with Pt100 technology and an elongated fixed cable delivers exceptionally precise air temperature measurements. Designed for true precision, this air temperature sensor is engineered to thrive in demanding environments where regulatory compliance and extreme accuracy are absolutely critical.

Built for rigorous use, this probe features a highly robust housing and a durable metal shaft, making it ideal for industrial applications. Its elongated 1.2 meter fixed cable provides convenient handling and extended reach, ensuring you can accurately monitor temperatures even in hard-to-access areas like ventilation ducts or high-ceiling spaces.
In industries such as HVAC, pharmaceuticals, and food production, maintaining precise air temperature is fundamental for product quality, energy efficiency, and strict regulatory adherence. This Pt100 air probe provides the highly reliable and accurate data necessary to validate environmental conditions, mitigate costly process deviations, and confidently meet stringent audit requirements.
Tradie Pro Tip: While thermocouple probes are built for speed, this Pt100 probe is built for undeniable precision. It is exactly what you need when validating cold storage or cleanrooms for strict industry audits. The 70-second reaction time allows the sensor to perfectly stabilize with the ambient air, giving you a rock-solid, Class A reading you can confidently put on your compliance paperwork!
Enhance your temperature measurement capabilities by pairing this robust air probe with a compatible Testo measuring instrument, such as the Testo 440 HVAC Measuring Instrument, for comprehensive HVAC analysis. Consider integrating it with Testo dataloggers for long-term monitoring and trend analysis in critical environments. Explore HVAC Shop's range of calibration services to ensure the ongoing accuracy and compliance of your probe.
Elevate your air temperature monitoring capabilities with the Testo Efficient & Robust Air Probe. Invest in unparalleled precision, enduring durability, and guaranteed compliance for your most critical HVAC and industrial applications. Trust HVAC Shop for tools that deliver unwavering accuracy.
| Parameter | Specifications |
|---|---|
| Temperature - Pt100 | |
| Measuring range | -50 to +400 °C |
| Accuracy | Class A (-50 to +300 °C) Class B (Remaining Range) |
| Reaction time | t₉₉ = 70 s |
| General Technical Data | |
| Probe shaft length | 114 mm |
| Probe shaft tip length | 50 mm |
| Diameter probe shaft | 5 mm |
| Diameter probe shaft tip | 4 mm |
| Cable length | 1.2 m |
| Fixed cable | Yes |
Ships within 48 hours · Estimated delivery Jun 21 - Jun 26
US$40
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