pH/Ion — Testers Double-junction electrode design - For significantly longer electrode life, especially in applications with harsh chemicals (ORPTestr 10 only) Wide mV range - From -999 to +1000 mV for an array of common applications Offset of ±150 mV - Keypad adjustment to calibration solution or to an established work standard Microprocessor-based functions - For fast, stable readings Replaceable electrode module - Reuse the same tester body over and over Waterproof, dustproof housing - IP67-rated housing protects your tester even in harsh field or plant conditions. And it floats, so you won't lose your tester by dropping it into a tank or pond! Hold function - Freezes reading so that you can record it Self-diagnostic error messages - Make troubleshooting easier Auto shutoff - Extends the life of the batteries Double-junction electrode allows for long electrode life, even in harsh applications. 35650-10 BNC connection lets you connect a wide variety of electrodes. CERTIFIED SUPPLIER 1 year warranty meter only Ordering Information Accessories WD-35624-45 Belt-loop waterproof carrying case; holds one waterproof tester (order separately). Snap lock fastens case around your belt; hook-and-loop seal secures tester. Pictured at right. 5V2"L x 2"W x 77/8"H (14 x 5 x 20 cm). WD-35650-09 Replacement electrode sensor for ORPTestr 10 WD-35805-13 ORP electrode; single junction, epoxy-body, gel-filled electrode with 3-ft (1-m) cable. For use with ORPTestr 10 BNC WD-09377-16 Replacement batteries, 1.5 V. Pack of 6