HM Digital FM-2 In-Line Dual TDS Monitor with 1/4" fittings

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HM Digital FM-2 In-Line Dual TDS Monitor with 1/4" fittings

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  • HM Digital FM-2 In-Line Dual TDS Monitor with 1/4" fittings



A five-stage filter monitor with five independent timers and a tri-color LED faucet indicator disc.

Counts time and volume for up to five stages (can be less).

The LED indicator disc will illuminate a green, yellow or red light when the water is turned on.  The color indicates the percentage of elapsed time and volume used.

Auto-Off function conserves battery power. The unit shuts off automatically after 1 minute of non-use.

The timer counts down in months or days (settings can be modified).

The volumizer counts up in gallons or liters (settings can be modified).

Includes an audible alarm (beep).

Modern design is perfect for any kitchen.

Installs easily.

Includes the FMS-2 flow sensor.



Timer Range: 0-999 days/months 
Timer Modes: Days or months (default is months) 
Volume Range 0-99999 Gallons / Liters 
Volume Modes: Gallons (default) or Liters 
Volume Accuracy: +/-1% (at typical flow rates of approx. 1.5 to 2.5 LPM; low and high rates may affect accuracy) 
Maximum Pressure: 150 psi 
 One alert per stage, up to five stages 
Default Setting: 12 months 
Batteries: 2 x AA (included) 
Battery Life: approx. 18 months 
Base Unit Dimensions: 100 x 63 23 mm (4 x 2.5 x 0.9 in)  
Base Unit Weight: 119 g (4.2 oz.) (including batteries)
Flow Sensor Cable Length: 93 cm (36.6 in) 
Flow Sensor Fitting Size: 1/4" Quick Connect 
LED Faucet Indicator Disc: Works with any non-air gap filter faucet
LED Faucet Indicator Disc Cable Length: 92 cm (36.25 in)
LED Faucet Indicator Disc Dimensions: 4.75 (1 1/4" in.) dia., 8 cm (5/16") high 

Replacement part codes:

Chrome Faucet Indicator Disc: FMD-1
Flow Sensor: FMS-2 

UPC: 891144000151


Quick Overview

The Filter Monitor is an innovative system to alert when a filter needs to be changed via color-coded lights at the base of the faucet. The battery-powered FM-2 has five timers for a 5-stage system, as well as a water volumizer and programmable set-points and alarms for each function, all in a crisp, attractive housing.

Additional Information

Manufacturer HM Digital