Testo 635-1 Hygrometer, RS Calibration

This portable, two-port temperature and humidity meter enables the temperature and humidity level to be measured simultaneously.
The two-line LCD display enables the temperature and RH level to be visualised simultaneously.
Possible to date measurements and export them to an infrared printer.
Dew point calculation.
Hold, min. and and max. functions
Auto power-off if not being used.
Probes must be ordered separately.
Can be used with an infrared printer.

Simultaneously measure temperature and humidity levels in your work environment with this hygrometer from Testo. For versatility, it's also suitable for measuring the dew point and ambient pressure of compressed air. The illuminated display enables you to read your data easily, even in dim lighting conditions. It's battery-operated, so it's portable and doesn't require connection to a power source.

• Compact dimensions of 220 (length) x 74 (width) x 46mm (height) for ease of handling
• Robust battery life of 200 hours for long-lasting use
• Strong ABS housing material for resistance to impact and wear

• Medical and pharmaceutical industry
• Food safety
• HVAC systems

This hygrometer is compatible with various types of probes, including thermocouples, absolute pressure probes and immersion probes.