Sper Scientific portfolio of water quality probes provides the right solution for your testing needs, backed by years of product innovation and technical support. All of our probes are designed to meet the accuracy, ease of use, durability and flexibility for your liquid testing needs.
Sper Scientific water quality pens or testers are easy to carry, simple to operate and sufficient for most field pH tests. Highly stable and accurate readings with a large LCD display. Designed for simple one-hand operation. The cases are IP65 waterproof, and will float if accidentally dropped into the water.