Digital Luxmeter, economical solution for light measurements in a learning situations, the autoranging feature makes a one-button-and-done instrument, auto power-off conserves battery power, and other functions include MAX, MIN, and HOLD, Requires a 9V battery (not included)
Handheld Fluorimeter for Heavy Metals, and Case, One-button push for metals detection and analysis, Usable heavy metals data available quickly, platform centric portable device for heavy metals testing for drinking water and industrial water supplies.