Very good PH meter from THERMO ELECTRON - NOT USED! , BUT WORKING CONDITION, LOOKING GREAT Russell RL060C portable conductivity meter. These economy microprocessor-based handheld meters deliver up to ± 1% full-scale accuracy. It has a large custom LCD (Liquid Crystal Display) for clear and easy reading. The RL060C measures conductivity (μS/mS) and temperature (°C). This sturdy meter measures up to 5 different ranges with auto-ranging capability that switches to appropriate measuring range automatically. Your meter includes a conductivity electrode (cell constant K = 1.0) with built-in temperature sensor (Cat. No. 014005), 4 alkaline AAA batteries, user guide and warranty card. Return Policy Items are sold as-is with no returns or refunds available unless explicitly stated.