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

Useful measuring tool for every forensic lab.

The EcoTestr pH1 and EcoTester pH2 — new and economical quality pH testers designed for fuss-free pH measurements.

Three measuring cups with handles.

Designed for simple, accurate test readings.

Separate soil ranging in size from pebbles to silt.

Lightweight, multi-use storage pail with carrying handle.

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

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.

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

Ideal for long-term water-quality monitoring.

For water clarity measurements.

Zero reference settings for four light sources: tungsten, fluorescent, daylight and mercury. Fisherbrand Traceable Light Meter has two displays with easy-to-read, jumbo-sized 1.38 in. high (3.5cm) digits show lux or foot-candles and the selected light source (daylight, tungsten, fluorescent or mercury).

Compact, sturdy, digital instrument for field or lab radiation measurement.

Study soil porosity and its effects on groundwater flow.

Useful conversion tables make this a valuable laboratory tool.

With both metric and imperial calibrations.

Place one end of the tube below the water surface to improve the visibility of aquatic plant and animal life as well as Secchi disc studies.

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

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.

Columbus-type caliper with dual scale.

Measures phosphate levels from 0, 100, 200, 300, 500, 1000, 2500 ppb in 15 seconds

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.

Use ordinary soil samples to conduct a thorough evaluation of soil.

Determines water's temperature, sediment content and visibility.

Choose from three lengths

Shortened point for increased student safety.

Retrieves with ease — one line means no more tangles.

Complete kit for obtaining samples of phyto and zooplankton from lakes and ponds for later study in the lab

Strong net designed for rapid bioassessments.