Milwaukee Instruments MW14 Mini- Iron - high range] photo meter

IRON ( HIGH RANGE ) MINI-COLORIMETER; Range 0.00 to 5.00PPM with Resolution 0.01 PPM - Replacement Reagent Kit # RL2720416- SKU: MWKIM046

Measures conductivity (EC) and total dissolved solids (TDS) with automatic temperature compensation. Ideal range for Hydroponics (0.2 to 4 mS/cm | 2 to 40 CF | 140 to 2800 ppm 0.7 scale | 100 to 2000 ppm 0.5 scale). Units directly in mS/cm/CF/PPM (no conversions required). Factory calibrated no continious calibration required. High accuracy. Automatic Temperature Compensation (ATC). Auto on/off feature. Blue LED display. Graphite electrode in ABC + PC body. Battery level indicators. Battery life up to 3 years with approx. 10 measurements per day. 3 X 1.5V AA (batteries included).