HM Digital FM-2 Water Filter Monitor - 5-Stage Timer with Flow Sensor and LED Indicator push-button meter Measurement Scales pH: pH

Measurement Scales pH: pH

Hold Function — Freezes the measurement on screen for convenient reading and recording without keeping the probe submerged

Factory calibrated with a 342 ppm NaCl solution for out-of-the-box accuracy

data-hold function and low-battery indicator

Easy to use

HM Digital FM-2 Water Filter Monitor - 5-Stage Timer with Flow Sensor and LED Indicator push-button meter Measurement Scales pH: pHHM DIGITAL FM 2 Water Filter Monitor with 5 Stage Volumizer and Timer, Flow Sensor and Filter Indicator Disc, + 1% Accuracy A five stage filter monitor with five independent timers and a tri color LED faucet indicator disc. The volumizer counts up in gallons or liters (settings can be modified). Works on time (and volume for the FM 2) for up to five stages (can be less). The LED indicator disc will illuminate a green, yellow or red light when the