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Description
Overview: testo 905-T1 - Compact Penetration Thermometer
The testo 905-T1 is a compact and highly responsive penetration thermometer designed for accurate temperature measurements in liquids, soft or powdery substances, and air. Equipped with a permanently integrated Type K thermocouple probe, it offers a wide measuring range from -50 to +350 °C, with the capability to measure up to +500 °C for short durations (1 to 2 minutes).
Its fast response time ensures quick and reliable readings, making it ideal for professionals requiring precise temperature monitoring in diverse environments. User convenience is significantly enhanced by the pivoting LCD display, which allows for clear visibility of readings even when probing at awkward angles.

Why It Matters
For professionals in HVAC, laboratories, and industrial settings, precision and speed are paramount. The testo 905-T1 delivers on both, ensuring that critical temperature readings are not only accurate but also obtained rapidly, minimizing downtime and maximizing efficiency. Its robust design and versatile probe make it a reliable choice for consistent performance in demanding conditions, ensuring compliance and operational excellence.
What's Included
- ✓ testo 905-T1 Compact Penetration Thermometer (Product no. 0560 9055)
- ✓ Attachment clip
- ✓ Battery
Features & Benefits
- Wide temperature range: Measures from -50 to +350 °C; short-term up to +500 °C for maximum versatility.
- Fast response time: t₉₉ = 10 seconds in water for quick and efficient readings.
- Integrated Type K probe: Long, pointed thermocouple (200 mm) suitable for immersion and penetration in various substances.
- Pivoting LCD display: Ensures easy reading from multiple angles, improving user convenience in challenging positions.
- Lightweight and portable: Includes attachment clip and weighs only 80 g for ultimate portability.
- Durable ABS housing: Built to withstand the rigours of daily industrial applications.
- Long battery life: Provides approximately 1000 hours of operation from 3 AAA micro batteries.
Applications
- Monitoring temperatures in HVAC ducts and refrigeration systems.
- Testing liquids and semi-solid materials in laboratories and food processing.
- Checking temperatures in chemical processes and pharmaceutical production.
- Ensuring quality control in industrial manufacturing environments.
Tradie Pro Tip: The pivoting display is an absolute lifesaver when you're taking readings in awkward spots like deep vats or tight HVAC ducts. Just remember, while it can handle high-heat bursts up to +500 °C, keep those extreme temperature readings strictly under two minutes to protect the sensor!
Pair With
- Testo 550s Digital Manifold: For comprehensive HVAC system analysis including pressure and vacuum.
- Testo 805i Infrared Thermometer: For non-contact surface temperature measurements complementing penetration readings.
- Testo 405 Thermal Anemometer: To measure air velocity and temperature in ducts for complete HVAC diagnostics.
Keep Your Space Clean
Invest in reliable temperature monitoring with the Testo 905-T1. Order yours today and experience precision, speed, and durability in every measurement, ensuring optimal performance across all your critical applications.
Technical Data
| Parameter | Specifications |
|---|---|
| Temperature Measurement | |
| Measuring range | -50 to +350 °C (short-term to +500 °C) |
| Accuracy | ±1 °C (-50 to +99.9 °C) ±1 % of mv (Remaining Range) |
| Resolution | 0.1 °C |
| Reaction time | t₉₉ = 10 s (in water) |
| General Technical Data | |
| Probe shaft dimensions | Length: 200 mm | Tip length: 4 mm | Diameter: 3 mm |
| Dimensions (LxWxH) | 270 x 40 x 70 mm |
| Weight | 80 g |
| Product / housing material | ABS (Black) |
| Operating temperature | 0 to +40 °C |
| Storage temperature | -20 to +70 °C |
| Battery type & life | 3 AAA micro batteries | Approx. 1000 h |
| Display type | LCD (Liquid Crystal Display), one-line |
| Authorizations | CE 2014/30/EU |
Common Questions for Testo 905-t1 - Compact Penetration Thermometer
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