Brush removes static charges that result adhesion of particles to an object. Designed with softest hairs available to prevent scratching. Conductive composite handle allows access to difficult places. Brush size is 1 inch with a 5-inch handle.
VWR* Four-Channel Alarm Timer to 100 hours. 1.9cm digit LCD. Can set 4 separate channels. Stopwatch, time-out and time-of-day display. High decibel alarm. Memory recall. Magnetic back, flip-open easel, spring fastener and hole for use with lanyard. NIST Traceable
VWR Timing range is 99 hours, 59 minutes, 59 seconds. Resolution is 1 second. Accuracy is 0.01% Two channel Visual LED Alert flip-open easel, clip, and an opening for a lanyard
For low- to medium-range colorometric analysis of water quality. Ranges: 0-1 and 1-5ppm (DPD method). Includes 30 self-filling ampules, comparators, accessory solutions, snap cup and instructions.
Robotics Smart Machines, Dimensions: 19.1 x 13 x 3.8in, Robotics is a vast, thrilling, and sometimes overwhelming interdisciplinary field involving physics, engineering, and computer science, This kit gives kids a simple, fun, and customizable introduction to robotics