Ritchie Yellow Jacket Psychrometer Hygrometer -4° to 122°F
This unique pocket-sized, battery operated, micro processor based meter is designed to quickly measure humidity, dry bulb, dew point and wet bulb. You old timers will appreciate this, No need to whirl the meter or refer to a chart for results. The micro processor based psychrometer provides a digital reading on the LCD display. The sensor parts are protected by a rotatable cap. Product Features
°F/°C Selectable
Min / Max Function
Data hold to capture readings
Auto power off
Disable power off
Low Battery Alarm
Dew point and wet bulb calculated in seconds
Display relative humidity and temperature simultaneously
Response time of 60 seconds to changes in humidity
Triple LCD digital display
Pocket sized
Microprocessor circuitry for reliability
Rotatable cap to protect sensor
Specifications
Temperature range: -4° to 122°F (-20° to 50°C)
Resolution: 0.1°F/C, 0.1% RH
Operating temperature range: 4° to 122°F (-20° to 50°C) 0-100% RH
Power: 2 AAA batteries
Dimensions: 7" x 1-7/8" x 1" (178 mm x 48 mm x 25 mm)
Weight: 2.65 oz. (75 g)
Accuracy: Relative humidity functions (± 3% RH at 25°C) Temperature ± 1°F (0.6°C)
Sensors: Temperature: thermistor bead Humidity: polymer film (capacitance)