Ohaus ST20 pH & Temperature Meter - Digital Pen Tester with 0.00-14 pH Range & 0.0-99.0°C, ±0.05 pH Accuracy - Ideal for Water Testing, Aquariums, Pools, Hydroponics & Laboratory Use

Product Description

Starter pen meters provide what should be expected of a small, economical pen meter: simple, fast, straightforward, no-frills operation time and time again. With durable ABS housing, a protective sensor cap, and automatic shutdown feature that preserves battery life, Starter pen meters can endure consistent use in rugged environments. Equipped with a wrist strap that helps prevent unintentional dropping, Starter pen meters are constructed with an IP67 waterproof design that can prevent water damage when dropped in to liquid. Applications: pH, oxidation-reduction potential (ORP), conductivity, dissolved oxygen (DO), salinity, total dissolved solids (TDS), temperature measurement Construction: ABS Housing Operation: 4 1.5V batteries (included) Automatic Shutdown: Yes, After 6 minutes of non-use Battery Life: 200 Hours with Disposable Batteries Calibration: N/A Display: Liquid crystal display (LCD) display with secondary information line (on select models) Design Features: Easily replaceable electrodes, automatic shut off feature