Thermometer & Hygrometer Adjustable Frequency: This tuning fork

Adjustable Frequency: This tuning fork comes with a sliding mass to alter its frequency

An attractive and informative addition to any music room or music corner

blood samples and other routine applications in hospital and research laboratories

Mounted Base: Mounted on a sturdy base for convenient display and demonstration purposes in classrooms

Thermometer & Hygrometer Adjustable Frequency: This tuning forkThermometer & Hygrometer Made of Plastic & Aluminum Size Diameter 109mm x 32mm Premium Quality: Thermometer & Hygrometer is made of high grade construction all the way through, excellent build quality and proven reliability across the range. Designed for use in professional laboratories but is an ideal choice for science classrooms and household use. If you need custom order with different sizes design, please contact us.