Hair Hygrometer Electronic monitor features time lapse

Electronic monitor features time lapse and auto off after 10 minutes (two aa batteries - not included)

Premium Quality: Dynamic Trolley is made of high-grade construction all the way through

(15 x O Red Ball 1 Hole -2)

Eyepiece: Wide Field plane-scope eyepiece: WF10X

Hair Hygrometer Electronic monitor features time lapseCircular dial type hygrometer with scale 0 to 100x1% RH (Relative Humidity). Premium Quality: Hair 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.