225-570-A Sling Psychrometer
The 225-570-A Sling Psychrometer meets U.S. National Weather Service recommendations and is a standard sling psychrometer
The 225-570-A Sling Psychrometer meets U.S. National Weather Service recommendations and is a standard sling psychrometer. It consists of two 9.5" red-liquid filled thermometers. They are mounted on a stainless steel back. The wet bulb thermometer features a muslin wick covering the bulb. A wooden swivel handle with a chain for whirling is attached to the back of the thermometers. Each sling psychrometer uses two matched thermometers to minimize error when measuring relative humidity. Humidity tables are provided with each instrument. Replacement wicks are available.
Specifications
- Range:
- 225-570: -20 °F to +120 °F (1° graduations)
- 225-571: -30 °C to +50 °C (0.5° graduations)
- Thermometer accuracy: ± 1.5 °F
- Size: 12″ L x 1.5″ W (305 mm x 38 mm)
- Weight/shipping: 0.4 lb/1 lb (0.2 kg/0.5 kg)
