Hair Hygrometer, 70mm dial Classic Instrument requires AA and AAA batteries

Name: Hair Hygrometer, 70mm dial Classic Instrument requires AA and AAA batteries
Brand: desartech.ch
SKU: 357209373
Price: 38.20 USD
Availability: InStock
Rating: 4.0315 (16 reviews)

SKU: 357209373

4.0

USD38.20 USD85.20

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Ships within 48 hours · Estimated delivery Aug 2 - Aug 7

Description

requires AA and AAA batteries

Fascinating kit with lively and illuminating booklet

out of stock

The projector casts the photos in large size over walls and ceiling of a darkened room

Hair Hygrometer, 70mm dial Classic Instrument requires AA and AAA batteriesHair Hygrometer, 70mm dial. A simple but effective monitor of relative humidity, this instrument uses a hair bundled device which expands and contracts according to water vapour present, and is a step more precise than standard hygrometers, accuracy + 5%.

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