Go Direct* Tris-Compatible Flat pH User Manual, used for any lab or demonstration that can be done with a traditional pH meter, including acid-base titrations, monitoring pH in an aquarium, and investigating the water quality of streams and lakes
Go Direct* Force and Acceleration Sensor, couples a 3-axis accelerometer with a stable and accurate force sensor that measures forces as small as +/- 0.1 N and up to +/- 50 N, Acceleration: 3 axis, +/- 16 g, Gyroscope: 3 axis, 2000 deg /s
Glass Rain Gauge, Measures Up to 5in, Stylish easy-to-read design, Use the included mounting bracket to mount to a post or fence, or use it as a garden/yard stake, Durable, Dimension: 2.25x1x6.75in
Borosilicate glass graduated cylinder, includes plastic guard and plastic detachable hexagonal base. With spout and protection collar. As per DIN EN ISO 4788 standard, Sub Div.: 0.5 ml, Tolerance: +/-1.00 ml, Capacity 50ml with 1ml graduations.
Go Direct* Gas Pressure Sensor, measures the absolute pressure of a gas, Specifications: Range: 0 to 400 kPa, Resolution: 0.03 kPa, Maximum pressure that the sensor can tolerate without permanent damage: 450 kPa, Connections: Wireless Bluetooth, Wired USB
100mL. Polymethylpentene cylinders are autoclavable. Withstand up to 120[degree]C continuous use or 170[degree]C for short periods. Graduated in 1mL increments. ISO 6706 certification. Not resistant to strong oxidizers, some hydrocarbons, and chlorinated solvents.
Go Direct* Optical Dissolved Oxygen Probe, with Micro USB Cable, Range: 0 to 20 mg/L, 0 to 300%, Measure primary productivity or biological/biochemical oxygen demand, Explore the interdependence of plants and animals, Monitor watersheds over time
Sling Psychrometer, to measure relative humidity, Includes two plastic-backed Celsius thermometers, one for dry bulb measurements and the other for wet bulb measurements, Includes an activity guide with relative humidity calculation table, Requires assembly,pack of 15
Digital Multimeter E, Compact 3 1/2-digit multimeter for measuring voltage, current and resistance as well as for diode and hFE gain testing, All measurement ranges are selected by means of a rotary dial, dimensions: 90 X 190 X 35mm3 volt: 9V
Cylinder Measuring, Graduated, Material: Borosilicate glass, Class -A glass hexagonal base, with spout, Complete with protective guard, as per ASTM E1272 standard, Blue Graduation, Sub. Div. - 5.0 ml, Tolerance - +/-2.00 ml, Capacity: 500 ml