Six plastic sieves with stainless steel mesh, cover and bottom collector.

For water clarity measurements.

Separate soil ranging in size from pebbles to silt.

Convenient pH testing. OHAUS Starter pH Pen Meters offer a convenient way to measure pH, or the relative acidity or alkalinity of a sample at a given temperature. The pH pen meters can be completely operated with just one hand, freeing up your other hand to handle samples.

Simplified dissolved oxygen water sampler designed for use in the field.

Three measuring cups with handles.

Lightweight, multi-use storage pail with carrying handle.

Columbus-type caliper with dual scale.

Teaches sampling techniques, careful measurement and data recording.

Combination of hydrogen with oxygen generates a DC current to power an electric motor.

Compact meter reads from 0 to 1999 foot-candles with resolution from 0.1 to 1.

Measure inches, centimeters and degrees using this flexible angle ruler.

Premium quality, solid North American Maple.

Retrieves with ease — one line means no more tangles.

Gather the samples you need regardless of soil type.

Easy-to-use, easy-to-clean, galvanized-steel sampling tube.

Instantly measures soil moisture and light conditions — no batteries required.

Demonstrate the workings of a complete clean energy system on a miniature scale.

60 in. long (150cm) plastic tape.

Determines water's temperature, sediment content and visibility.

Smooth, hardwood solid shapes.

Ideal for long-term water-quality monitoring.

An affordable, safe, and reliable screening test to identify lead in drinking water. Ideal for classroom studies or the professional screenng multiple tests on campuses, office buildings, etc.

Introduce and explain rock formation, describe and identify different rock types, use data to identify an unknown rock type and apply earth science to a real-world scenario.

Durable wood ruler features a metal edge that resists wearing.

Convert mechanical energy into electrical energy.

Portable, lightweight meters feature productivity and versatility in the field or lab. OHAUS Starter Water Analysis Portable Meter is a compact meter with intuitive software/organized display for ultimate usability.

Extract organisms from soil samples, identify soil organisms, study characteristics of arthropods and compare different soil samples for organism population density.

An introduction to important aspects of soil science.

Designed for simple, accurate test readings.