Whirling Hygrometers

1200 INR/Piece

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Product Details:

Display Type Analog (Thermometer Scale)
Speed Range Manual rotation, up to 200 rpm
Temperature Resistance -10C to +50C
Accuracy 0.5C
Features Portable, Dual Thermometers (Wet & Dry Bulb), Simple Construction, No Batteries Needed
Glass Type Mercury-in-glass or Alcohol-in-glass Thermometers
Control Type Manual
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Whirling Hygrometers Price And Quantity

Price 1200 INR/Piece
Minimum Order Quantity 1 Piece

Mounting Handheld
Rotation Mechanism Hand-Whirled
Usage Laboratory, Field Measurement
Humidity Range 20% to 100% RH (via Psychrometric Chart)
Thermometer Range -10C to 50C
Number of Thermometers 2 (Wet Bulb and Dry Bulb)
Handle Type Ergonomic, Rotatable
Color White (Handle) / Transparent (Glass)
Scale graduation 0.5C

Whirling Hygrometers Product Specifications

Accuracy 0.5C
Application Measurement of Relative Humidity & Dew Point
Dimension (L*W*H) Approx. 250 mm x 50 mm x 30 mm
Features Portable, Dual Thermometers (Wet & Dry Bulb), Simple Construction, No Batteries Needed
Speed Range Manual rotation, up to 200 rpm
Weight 10-20 Grams (g)
Display Type Analog (Thermometer Scale)
Product Type Hygrometers
Temperature Resistance -10C to +50C
Material PP
Power Not Required (Manual Operation)
Control Type Manual
Shape Cylindrical
Equipment Type Hygrometer
Equipment Materials Plastic Handle, Glass Thermometers, Metal Frame
Type Manual Whirling Hygrometer
Glass Type Mercury-in-glass or Alcohol-in-glass Thermometers
Usage For Laboratory

Mounting Handheld
Rotation Mechanism Hand-Whirled
Usage Laboratory, Field Measurement
Humidity Range 20% to 100% RH (via Psychrometric Chart)
Thermometer Range -10C to 50C
Number of Thermometers 2 (Wet Bulb and Dry Bulb)
Handle Type Ergonomic, Rotatable
Color White (Handle) / Transparent (Glass)
Scale graduation 0.5C

Whirling Hygrometers Trade Information

Payment Terms Cash Advance (CA), Telegraphic Transfer (T/T), Cash in Advance (CID), Cheque
Supply Ability 7 Piece Per Week
Delivery Time 1 Week
Main Export Market(s) Australia, North America, South America, Eastern Europe, Western Europe, Middle East, Africa, Asia, Central America
Main Domestic Market All India

Product Description

WHIRLING HYGROMETER (PSYCHROMETERS) ZEAL England Range :- -5 to 50C 1500 Range 20 to 120F 1500 Range :- -5 to 50C & 20 to 120F DIMPLE INDIAN inwooden frame 600 HERMOMETERDIMPLEINDIAN Range Dimple With Certificate Range Dimple With Certificate 50C M(0.5) 69 375 120F (1F) 88 500 110C ( C) 69 375 220F (1F) 88 500 110C (1C)M 9 ------ 400F (2F) 88 110C (1C)A/50C(C)A 69 75 00F (2F) 100 150C (1C)M 69 375 -50C TO 50C (A) 625 150C (1C)A 69 375 -50C TO +50C 600mm 875 200C (1C)M 69 375 -30C TO 30C (A) 625 250C (1C)M 69 375 -100C TO 50C (A) 740 300C (1C)M 69 375 -50C TO 100C (A) 625 360C (2C)M 69 375 -100C TO 100C (A) (450MM) 815 400C (2C)M 5 -100C TO 100C (A) (600MM) 940 600C (2C)M 100 50C M (.25) OR 1/4 DIVISION (300MM) 469

Reliable Dual-Thermometer System

The whirling hygrometer utilizes two precision glass thermometers-one dry bulb and one wet bulb-to deliver accurate environmental readings. With a 0.5C scale graduation and 0.5C accuracy, this device ensures precise data collection essential for laboratory analyses or fieldwork. The transparent glass and clear analog display make temperature readings easy to interpret at a glance.

Ergonomic and Manual Operation

Crafted with an ergonomic, rotatable handle, the hygrometer is comfortable to hold and simple to operate. The manual hand-whirled mechanism eliminates the need for batteries or electricity, offering complete portability and easy use anywhere. Its robust plastic handle and metal frame provide durability during repeated, rigorous use.

Wide Measurement Range and Versatile Applications

This hygrometer covers a temperature range of -10C to 50C and can measure relative humidity from 20% to 100% using a psychrometric chart. Suitable for laboratory experiments, environmental monitoring, and educational purposes, it delivers dependable and repeatable results. Its lightweight design makes it convenient for on-site as well as in-lab measurements.

FAQ's of Whirling Hygrometers:

Q: How do I use the manual whirling hygrometer to measure relative humidity?

A: To measure relative humidity, saturate the wet bulb thermometer with distilled water. Whirl the device for about 30-60 seconds at up to 200 rpm. Record the temperatures from both the wet and dry bulb thermometers, then use a psychrometric chart to determine the relative humidity.

Q: What is the benefit of having two thermometers in this hygrometer?

A: The dual thermometers (wet and dry bulb) make it possible to accurately calculate both relative humidity and dew point. The dry bulb measures ambient air temperature, while the wet bulb helps account for evaporative cooling, giving a precise humidity reading after reference to a psychrometric chart.

Q: When should I use a manual whirling hygrometer over an electronic version?

A: This manual hygrometer is preferable when power sources are unavailable or where a portable, maintenance-free device is needed. It's also ideal for educational settings, basic laboratory analysis, and fieldwork that requires simple, reliable accuracy without electrical dependence.

Q: Where is the best location to operate this whirling hygrometer?

A: Operate the hygrometer in open, well-ventilated spaces, away from direct heat sources or moisture. It's widely used in laboratories, classrooms, agricultural sites, and environmental monitoring settings across India and beyond.

Q: What process should I follow to maintain the accuracy of the device?

A: To maintain accuracy, regularly check both thermometers for intactness and cleanliness. Ensure the wet bulb is saturated with clean distilled water before each use. Store the hygrometer in a protective case to prevent damage to the glass thermometers and handle.

Q: What advantages does the manual, battery-free operation offer?

A: The absence of batteries or electrical components makes this hygrometer highly portable and dependable. It can be used in any setting, reduces maintenance costs, and offers long-term durability compared to electronic alternatives.

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