Testo Data Logging Probe Battery-Powered, Bluetooth, -20°C to 70°C Temperature, 95% RH Max, AA Battery 0635 1571

Testo 0635 1571 Data Logging Probe is a battery-powered hot wire probe designed to precisely measure air velocity, volume flow, temperature, and humidity. Featuring Bluetooth connectivity, it enables wireless transmission of data to compatible devices, enhancing operational flexibility. The probe operates on AA batteries, ensuring portability without dependence on a power outlet. It supports a wide humidity measurement range of 5% to 95% RH, making it ideal for applications in ventilation ducts and demanding industrial environments.

With a temperature measurement range extending from -20°C to +70°C, the probe delivers accurate readings with temperature resolution of 0.1°C and humidity resolution of 0.1% RH. It offers excellent measurement accuracy including ±0.5°C within 0 to +70°C and humidity accuracy varying from ±2% RH within 35 to 65% range up to ±5% RH over its full scale.

The robust design includes automatic absolute pressure compensation ensuring data precision across variable atmospheric conditions. Dimensions of 780mm in length and a compact probe head width of 40mm allow access to difficult measurement locations. This model is compatible with the Testo 440 series data loggers, providing efficient data acquisition and logging in industrial, laboratory, HVAC, and environmental monitoring applications.

Measures temperature range of -20°C to 70°C with high accuracy. Monitors humidity up to 95% RH with precise sensor resolution. Battery powered with AA batteries providing up to 21 hours of operation. Bluetooth communication allows wireless data logging and ease of use.

Compact and lightweight design with dimensions 780mm length, 40mm width, and 50mm height. Suitable for ventilation ducts and industrial environmental monitoring. Includes automatic absolute pressure compensation for precise readings.

Compatible with the Testo 440 series data loggers for seamless integration.

This data logging probe is well suited for industrial use cases including HVAC system inspections, laboratory environments, commercial air quality monitoring, and manufacturing process control. It contributes to accurate environmental assessment and operational safety compliance.

Explore EnvMart’s wide selection of high-precision measuring instruments including probes, loggers, and sensors by leading brands such as Testo for reliable industrial and laboratory solutions.

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