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)
pH pen for standard test tubes 16x50 mm or larger. Range: 0 - 14, Accuracy: +/- 0.2, Designed for simple one-hand operation. Automatically calibrates to pH 4, 7 and 10 buffers and can be adjusted to recognize any buffer. The case is IP65 waterproof. Probe: 120 mm × 12 mm
Electric Calorimeter, can be used as a classic standard calorimeter or as an electric calorimeter, Material: aluminum and plastic, liquid capacity of 175ml, and a heat capacity of 25J/ deg C, Electrical requirements are 6V DC, up to 2A, Dimension: 10x11cm
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