Product Description
PSYCHROMETERS WHIRLING HYGROMETER
WHIRLING HYGROMETER (PSYCHROMETERS) ZEAL England Range :- -5 to 50oC 1500 Range 20 to 120F 1500 Range :- -5 to 50oC & 20 to 120oF DIMPLE INDIAN inwooden frame 600 HERMOMETERDIMPLEINDIAN Range Dimple With Certificate Range Dimple With Certificate 50oC M(0.5) 69 375 120oF (1oF) 88 500 110oC ( C) 69 375 220oF (1oF) 88 500 110oC (1oC)M 9 ------ 400oF (2oF) 88 110oC (1oC)A/50C(oC)A 69 75 00oF (2oF) 100 150oC (1oC)M 69 375 -50oC TO 50oC (A) 625 150oC (1oC)A 69 375 -50oC TO +50oC 600mm 875 200oC (1oC)M 69 375 -30oC TO 30oC (A) 625 250oC (1oC)M 69 375 -100oC TO 50oC (A) 740 300C (1oC)M 69 375 -50oC TO 100oC (A) 625 360oC (2oC)M 69 375 -100oC TO 100oC (A) (450MM) 815 400oC (2oC)M 5 -100oC TO 100oC (A) (600MM) 940 600oC (2C)M 100 50oC M (.25) OR 1/4 DIVISION (300MM) 469
Accurate and Portable Humidity MeasurementEngineered for precision, this whirling psychrometer provides reliable humidity measurements in the laboratory or on-site. The lightweight design and manual operation make it ideal for static and mobile setups, with no need for a power source. The included protective case and corrosion-resistant finish support regular transport and long-term use in diverse environments.
Robust Design for Professional ApplicationsWith its detachable plastic grip handle and sturdy construction, the psychrometer is well-suited to the demands of professional meteorological monitoring, HVAC system checks, agricultural assessments, and laboratory research. The dual thermometer systemoffered in mercury or spiritmeets industry standards, while the 0.5C scale division ensures precise readings every time.
FAQs of PSYCHROMETERS WHIRLING HYGROMETER:
Q: How does a whirling psychrometer measure relative humidity?
A: The whirling psychrometer works by comparing the temperatures of its dry bulb and wet bulb thermometers. After wetting the wick on the wet bulb and rotating the instrument, evaporation causes cooling, which is recorded. The temperature difference between the two thermometers is then used with reference tables to calculate the relative humidity.
Q: What is the typical process for using this instrument in the field?
A: To use the psychrometer, wet the wick on the wet bulb thermometer and securely attach the handle. Then, whirl the device for about thirty seconds, allowing air movement to promote evaporation. Immediately read both thermometer scales and calculate relative humidity using the provided table or formula.
Q: When should I choose a mercury or spirit filling for the thermometer?
A: Mercury filling may be preferred for traditional accuracy in regulated environments, while spirit-filled thermometers are often used where mercury is restricted for safety or environmental reasons. Both options are designed to comply with local regulations and deliver reliable measurements.
Q: Where is this psychrometer best utilized?
A: This whirling psychrometer is ideal for use in meteorological stations, HVAC inspections, agricultural monitoring, laboratories, and anywhere accurate humidity measurements are essential. Its portable, manual design allows deployment in both indoor and outdoor locations.
Q: What are the main benefits of the portable, manual operation?
A: Manual operation ensures that the psychrometer requires no electricity or batteries, making it highly portable and practical for fieldwork. The robust, corrosion-resistant build and protective case further enhance its usability and durability in variable conditions.
Q: Is any special maintenance required to ensure accuracy and longevity?
A: Regular cleaning of the thermometers and wick, storage in the supplied protective case, and careful handling of the frame and handle will help maintain accuracy and extend the instruments service life. Avoid dropping or exposing it to harsh chemicals to preserve its finish and sensitivity.