Meters

pH/EC/TDS Portable Meter

Three meters in one in the palm of your hand! Measure three of the most important parameters in agriculture with a single instrument. The rugged replaceable probe has been specially designed with fast response technology and measures all parameters at t... More.

Ammeter: -100mA; -0-500mA-0-2.5A

Designed for overhead projectors so the whole classroom can see! This fully functional electric meter is built in a transparent case so it can easily be projected for classroom viewing. Unit incorporates dampening feature, magnetic shielding, and an acc... More.

Nasco Student Meter – Range: -500-0-500uA, Single Scale with Galvonometer

This economical, closed-back student meter offers reliability, ruggedness, and affordability all in one unit. The meter is housed in a durable black plastic case measuring 13.8 cm x 10.0 cm x 9.8 cm. The large 9.5 cm x 8.1 cm clear plastic meter fac... More.

Electric Double-Walled Calorimeter

An excellent unit for determining heat capacity and electrical equivalent of heat. Inner and outer vessels are made of aluminum. The unit has a two section heating element which operates on a 6V power supply (not included). Dimensions: 4" dia. x 6&#... More.

Electronic Digital Micrometer

Accurately read measurements up to 0.002 mm! Large display micrometer has a range of 0-1" and 0-25 mm with auto on and off capabilities. Convert inches and millimeters instantly while switching between metric and imperial measurements. Featu... More.

Demo Volt/OHM/Galvonometer

Multipurpose lightweight, big display meter is ideal for classroom demonstration. Scale and readings are printed in large bold fonts so students can see them from far away. Teachers can use a rotary switch on the back to select a desired range which wil... More.

Digital Photo Tachometer

Takes a precise, non-contact measurement by affixing a reflective tape (included) to the rotating element. Features two operate buttons for any angle; hold function to freeze rotating; automatic power-off; and low battery indicator. Tachometer r... More.

Datalogging Light Meter

Automatically records up to 16,000 data points in the field along with time and date. The data can later be downloaded to a computer via the meter’s RS232 port, and the results can be viewed instantly on software which comes with the unit. The sof... More.