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Testo High-Precision Humidity/Temperature Probe (Digital, with Bluetooth®)
SKU: 0636 9771
ra
$1,203.00 Excl. GST
$1,323.30 Incl. GST
Testo High-Precision Humidity/Temperature Probe (Digital, with Bluetooth®)
The Testo 0636 9771 High-Precision Digital Humidity/Temperature Probe (Bluetooth®) is engineered for reliable and accurate humidity and air temperature measurements in critical environments such as cleanrooms, laboratories, pharmaceutical facilities, HVAC systems, and industrial processes.
Equipped with Testo’s high-accuracy humidity sensor (±0.6% RH + 0.7% of mv) and NTC temperature sensor, this probe ensures precise and stable long-term readings across a wide measuring range of 0 to 100% RH and -20 to +70 °C. It automatically calculates dew point, wet bulb temperature, and absolute humidity, providing complete air quality data in one reading.
Thanks to Bluetooth® connectivity (up to 20 m range), measurements are transmitted wirelessly to compatible Testo multifunction instruments like the Testo 400, 440, or 480, enabling flexible and clutter-free operation. The on-probe button allows you to store readings or start/stop measurement series directly, making long-term data collection intuitive and efficient.
The intelligent calibration concept allows the probe head to be recalibrated independently from the measuring instrument, ensuring uninterrupted workflow and zero-error display. Designed with a 12 mm probe shaft diameter, this sensor is also ideal for use in ventilation ducts, environmental chambers, and airflow monitoring applications.
Testo High-Precision Humidity - Key Features
- High-precision humidity and temperature measurement for cleanrooms, labs, and industrial environments
- Exceptional accuracy: ±(0.6% RH + 0.7% of mv) and ±0.3 °C in the critical range of +15 to +30 °C
- Integrated calculations for dew point, wet bulb temperature, and absolute humidity
- Bluetooth® wireless data transfer up to 20 m for flexible operation
- User-friendly measurement menus for long-term and trend analysis
- Ergonomic handle with function button to store readings or control measurement series
- Replaceable probe head for extended service life and cost efficiency
- Compatible with Testo 400, 440, and 480 multifunction instruments
- Smart calibration concept – calibrate probe independently for continuous operation
- Ideal for HVAC, cleanroom, pharmaceutical, and environmental monitoring
Testo High-Precision Humidity - Specifications
| Parameter | Specification |
|---|---|
| Product No. | 0636 9771 |
| Temperature Sensor Type | NTC |
| Temperature Range | -20 to +70 °C |
| Temperature Accuracy | ±0.3 °C (+15 to +30 °C); ±0.5 °C (remaining range) |
| Temperature Resolution | 0.01 °C |
| Humidity Sensor Type | Capacitive |
| Humidity Range | 0 to 100 %RH |
| Humidity Accuracy | ±(0.6 %RH + 0.7 % of mv) (0–90 %RH) ±(1.0 %RH + 0.7 % of mv) (90–100 %RH) |
| Humidity Resolution | 0.01 %RH |
| Hysteresis | ±0.4 %RH |
| Long-term Stability | ±1 %RH/year |
| Probe Shaft Diameter | 12 mm |
| Probe Shaft Length | 140 mm |
| Operating Temperature | -5 to +50 °C |
| Storage Temperature | -20 to +60 °C |
| Weight | 155 g |
| Dimensions (L × W × H) | 290 × 50 × 40 mm |
| Battery Type | 4 × AA batteries |
| Battery Life | Up to 140 hours |
| Data Transfer | Bluetooth® |
| Bluetooth Range | 20 m |
| Product Colour | Black / Orange |
Data sheet testo 440
Data sheet testo 400
Instruction manual testo Air velocity and IAQ probes with Bluetooth® handle
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