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Testo Robust Humidity/Temperature Probe (Digital, up to +180 °C, Wired)
SKU: 0636 9775
ra
$1,271.00 Excl. GST
$1,398.10 Incl. GST
Testo Robust Humidity/Temperature Probe (Digital, up to +180 °C, Wired)
The Testo 0636 9775 Robust Digital Humidity/Temperature Probe is purpose-built for demanding industrial environments, providing high-accuracy humidity and temperature measurements up to +180 °C. Designed for use in industrial exhaust systems, drying processes, bulk materials, and climatic test cabinets, this rugged probe ensures reliable operation even under harsh conditions.
Equipped with a Pt1000 temperature sensor and Testo’s long-term stable capacitive humidity sensor, it delivers precise measurements of relative humidity, air temperature, and automatically calculates dew point, wet bulb temperature, and absolute humidity.
Its robust PTFE sintered filter resists aggressive media, moisture, and dust, protecting the sensor against contamination and mechanical stress. This makes it ideal for applications with high air velocity, dusty atmospheres, and continuous industrial monitoring.
The probe connects via a fixed cable to compatible Testo multifunction instruments such as the Testo 400, 440, or 480, and features a handle button to easily store readings or control measurement sequences.
Thanks to the intelligent digital calibration system, the probe can be recalibrated independently—ensuring uninterrupted operation and a zero-error display while keeping your measuring instrument in use.
Testo Robust Humidity Probe - Key Features
- High-temperature measurement up to +180 °C for industrial applications
- Accurate determination of relative humidity and air temperature
- Automatic calculation of dew point, wet bulb temperature, and absolute humidity
- Rugged PTFE sintered filter for protection against dust, water, and aggressive media
- Ideal for use in drying systems, process exhausts, and climatic test cabinets
- Fixed wired connection ensures reliable data transfer under all conditions
- Smart calibration concept – recalibrate the probe head only for continuous uptime
- Long-term stable Testo humidity sensor, traceable to ILAC, PTB, and NIST standards
- Integrated handle button for direct reading storage or measurement control
- Compatible with Testo multifunction instruments (e.g., Testo 400/440/480)
Testo Robust Humidity Probe - Specifications
| Parameter | Specification |
|---|---|
| Product No. | 0636 9775 |
| Temperature Sensor Type | Pt1000 |
| Temperature Range | -20 to +180 °C |
| Temperature Accuracy | ±0.5 °C (–20 to 0 °C); ±0.4 °C (0.1 to +50 °C); ±0.5 °C (+50.1 to +180 °C) |
| Temperature Resolution | 0.1 °C |
| Humidity Sensor Type | Capacitive |
| Humidity Range | 0 to 100 %RH |
| Humidity Accuracy | ±2 %RH (2.1 to 98 %RH); ±3 %RH (0–2 % and 98–100 %RH) |
| Humidity Resolution | 0.1 %RH |
| Temperature Coefficient | ±0.03 %RH/K (–20 to +50 °C); ±0.06 %RH/K (+50 to +180 °C) |
| Long-term Stability | ±1 %RH per year |
| Probe Shaft Diameter | 12 mm |
| Probe Shaft Length | 270 mm |
| Cable Length | 1.4 m |
| Operating Temperature | -5 to +50 °C |
| Storage Temperature | -20 to +60 °C |
| Weight | 255 g |
| Dimensions (L × W × H) | 420 × 50 × 40 mm |
| Product Colour | Black / Orange |
| Filter Type | Screwable PTFE sintered filter (water- and dust-repellent) |
| Calibration Concept | Intelligent digital calibration (probe-only) |
Data sheet testo 440
Data sheet testo 400
Instruction manual testo Air velocity and IAQ probes with fixed cable
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