Sper Scientific 736700 Sling Psychrometer -5°C to 50°C - Professional Whirling Hygrometer for Accurate Humidity & Temperature Measurement - Wet & Dry Bulb Thermometer for HVAC & Weather Monitoring

The Sper Scientific Sling Psychrometer (-5°C to 50°C) is a high-precision instrument designed for accurate relative humidity and temperature measurement. Using a wet and dry bulb thermometer system, this psychrometer provides reliable readings without the need for batteries or digital components.This manual hygrometer is widely used in meteorology, greenhouses, laboratories, and industrial settings where accurate humidity control is essential. Simply wet the cloth wick, swing the psychrometer, and compare the dry-bulb and wet-bulb temperatures using a psychrometric chart to determine humidity levels.

• ACCURATE HUMIDITY MEASUREMENT – The Sper Scientific Sling Psychrometer provides precise relative humidity readings using the wet and dry bulb temperature method, ideal for professional and industrial applications.
• WIDE TEMPERATURE RANGE (-5°C to 50°C) – Measures temperatures from -5°C to 50°C, making it perfect for a variety of environments, including cold storage, outdoor weather monitoring, and laboratory use.
• DURABLE & PORTABLE DESIGN – Built with high-quality materials, this lightweight yet sturdy psychrometer is easy to carry and ideal for field use in HVAC, meteorology, and agriculture.
• BATTERY-FREE OPERATION – No need for batteries or digital calibration; simply swing the psychrometer to measure humidity using natural evaporation for highly reliable results.
• IDEAL FOR PROFESSIONAL & PERSONAL USE – Perfect weather analysts, scientists, and hobbyists who need a dependable and accurate humidity measuring too.