Dry Field Mapping Kit, includes cork-covered base, 30cmx26cm; pad of 25 sheets pre-printed conductive paper 28cmx21.5cm; pad of 100 sheets preprinted paper for drawing fields; ten metal-headed push pins; a silver conductive pen
0.01pH accuracy, IP54 Grade with 30 sets data memory,Electrode condition icon to show pH electrode performance,ATC/MTC, 3 point calibration, auto buffer recognition,Auto/manual endpoint, recall last calibration data
Go Direct* Sensor Cart, Yellow, for College, High School, and Middle School Science, features built-in, wireless sensors for one-dimensional dynamics and kinematics experiments, directly connects wirelessly via Bluetooth, Position resolution: 0.25 mm