Digital Differential Counter, electronic, LED display, auto-switching, Dimension: 3.75x10x1.75 inch, Weight: 1 lb, 8 red and white Color buttons, Pictures and names of blood cells next to each button, 9 3-digit LCD
Digital Control Unit, combined with features in Logger Pro, makes control of electrical devices, such as buzzers, lights, motors, pumps, and relays, both straightforward and flexible. The DCU is a great way to introduce hands-on STEM
Digital Counter For event counting, a fixed counting period can be programmed in a range from 0.1 ms to 99999 s. Counter events (e.g. start or stop) can either be triggered by a signal to the input sockets or manually via switches. The unit includes a plug-in power supply.
Digital High Vacuum Gauge, Digital Display with Solid State Circuitry, +32 Degree F To 120 Degree F Ambiant Temp, 10 Minute Automatic Shutoff Battery Saver, Saves Last Vacuum Readout After Shutdown, 300 Psi Maximum Pressure, Vacuum Range 10-12000 Micron
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)