Sper Scientific

Solar Scientific Calculator Products for Science Education

Works with any available light and needs no batteries.

Sper Scientific™ Datalogging RH/Temperature Pen Products for Science Education

Displays current RH and temperature readings, and automatically logs Air Temperature, RH, Dew Point, Wet Bulb.

Sper Scientific™ ORP Probe Products for Science Education

For use with S98764 Water Quality Meter