6500 Therma-hygrometer | Fixed external probe

The 6500 Therma-Hygrometer is an accurate and reliable instrument that measures temperature and humidity over a wide range.

High Accuracy: Offers an accuracy of ±3% RH, ensuring reliable data. This is essential for maintaining precise conditions in laboratories, storage, or production environments.

Versatile Measurement Range: With a temperature range of -20 to 70 °C and humidity measurement from 0 to 100% RH, this hygrometer can be used in various environments, whether you are measuring delicate materials or industrial settings.

Long Battery Life: With a battery life of 10,000 hours, this instrument is designed for professionals who need a reliable tool without constant maintenance. The instrument automatically switches off after 10 minutes, further extending battery life.

Durable Construction: Made from robust ABS plastic with Biomaster product protection, this hygrometer is designed to last, even under demanding conditions.

2-year warranty

The 6500 Therma-Hygrometers come with a 2-year warranty, so you can rest assured that your instrument will be repaired or replaced if anything goes wrong.

Please note that humidity sensors are excluded from the warranty due to their sensitivity to contamination from, for example, solvents and exposure to saturated air.

Humidity Calibration

Our in-house UKAS accredited laboratories offer the option to add a 3-point (25, 50 and 75% RH) UKAS certificate to your order. (On request only, surcharge applies)

Humidity sensors are more susceptible to drift than temperature sensors, with a typical drift of up to 0.5% per year. Ensure your Therma-Hygrometers are calibrated regularly for consistently accurate measurements. You can send both temperature and humidity instruments to us for calibration at any time.

Temperature range: -20 to 70 °C
Humidity range: 0 to 100% RH
Max./Min.: Yes
Temperature resolution: 0.1 °C/°F
Humidity resolution: 0.1% RH
Temperature accuracy: ±1 °C within the range of 5 to 45 °C, otherwise ±1.7 °C
Humidity accuracy: ±3% (20 to 80% RH)
Battery: 3 x 1.5 volt AAA
Battery life: 10,000 hours
Sensor type: temperature: silicon bandgap - humidity: capacitive polymer
Display: 12 mm LCD
Dimensions: 25 x 56 x 128 mm
Weight: 185 grams
Housing material: ABS plastic, including Biomaster product protection
Country of origin: United Kingdom
Warranty: two years
Measurement scale: Celsius, Fahrenheit, % RH and dew point