TDS Meters

HM Digital introduces its new AquaPro series, a line of handheld TDS/EC meters with a sleek design that's perfect for today's modern kitchen. The AquaPro digital water testers are the next generation for today's tech-savvy and health-conscience consumer.

FEATURES

* Measures electrical conductivity (EC) and temperature.
* Automatic Temperature Compensation (ATC)
* Water-resistant housing
* Measurement Range: 0-9999 µS
* Digital Calibration (push button)
* Auto-off function, data-hold function and low-battery indicator.
* Display: large and easy-to-read LCD screen includes simultaneous temperature reading.

SPECIFICATIONS
EC Range: 0-9999 µS
Temperature Range: 0-80 °C; 32-176 °F
Resolution: 1 µS; Temp. resolution is 0.1 °C/F
Accuracy: +/- 2%
Calibration: Digital calibration by push button.
Housing: Water-resistant
Power source: 1 x 3V button cell (included) (model CR2032)
Dimensions: 15 x 2.8 x 1.3 cm (5.9 x 1.1 x .5 inches)
Weight: 42.5 g (1.5 oz)

OUT OF STOCK

Ref: AP2

Ideal for all water quality testing, water purification applications, wastewater regulation, aquaculture, hydroponics, colloidal silver, labs & scientific testing, pools & spas, ecology testing, boilers & cooling towers, water treatment and more.

SPECIFICATIONS

EC Range: 0 - 9990 µS; 0 - 9.99 mS
TDS Range: 0 - 8560 ppm (mg/L); 0 - 8.56 ppt
Temperature Range: 0-80 °C; 32-176 °F
Resolution: 0-99: 0.1 µS/ppm/mS/ppt; 100-999: 1 µS/ppm; 1000-9990: 10 µS/ppm. Temp. resolution is 0.1 °C/F
Accuracy: +/- 2%
EC to TDS Conversion Factor: Non-linear conversions for KCl, 442TM or NaCl solutions, selected by the user.
Calibration: Digital calibration by push button.
Probe: Detachable platinum electrodes
Housing: IP-67 Waterproof (submersible; floats)
Power source: 3 x 1.5V button cell batteries (included) (model 357A)
Dimensions: 18.5 x 3.4 x 3.4 cm (7.3 x 1.3 x 1.3 inches)
Weight: 90.7g (3.2 oz)
FEATURES
* Measures electrical conductivity (EC), total dissolved solids (TDS) and temperature.
* UPGRADED: Four scales: µS, mS, ppm, ppt (mS and ppt are new)
* Three different non-linear EC-to-TDS conversion factors (KCl, 442TM, NaCl).
* Automatic Temperature Compensation (ATC) using three temperature coefficients
* Waterproof housing (IP-67 rating)
* Measurement Range: 0-9990 µS; 0-8560 ppm; 0-9.99 mS; 0-8.56 ppt
* Digital Calibration (push button) to any point within the meter's range
* Auto-off function, data-hold function and low-battery indicator
* Display: large and easy-to-read LCD screen includes simultaneous temperature reading.
* Replaceable Sensor (model SP-C1)
* Factory Calibrated: The COM-100 meter is calibrated with a 1413 µS solution. The meter can be recalibrated with digital calibration using the push buttons, rather than a screwdriver.
* Includes a cap, batteries and lanyard.

OUT OF STOCK

Ref: COM100

Ideal for all pH testing, water purification applications, wastewater regulation, aquaculture, hydroponics, colloidal silver, labs & scientific testing, pools & spas, ecology testing, boilers & cooling towers, water treatment, wine, coffee, agriculture and more.

FEATURES
* Measures pH and Temperature
* Auto-ranging three point calibration with digital fine tuning
* Includes storage solution in a sponge embedded in a clear cap
* Waterproof housing (IP-67 rating)
* Simultaneous temperature display
* Measurement Range: 0-14 pH
* Digital automatic calibration (one point), with digital fine tuning
* Automatic Temperature Compensation (ATC)
* Auto-off function, data-hold function and low-battery indicator
* Display: large and easy-to-read LCD screen includes simultaneous temperature reading
* Replaceable Sensor (model SP-P2)

SPECIFICATIONS
pH Range: 0 - 14
Temperature Range: 0-80 °C; 32-176 °F
Resolution: 0.01 pH; Temperature resolution is 0.1 °C/F
Accuracy: +/- 0.02 pH
Calibration: Digital automatic calibration (one point) with digital fine tuning
Electrode: Replaceable glass sensor and reference tube electrodes
Housing: IP-67 Waterproof (submersible; floats)
Power source: 3 x 1.5V button cell batteries (included)
Dimensions: 18.5 x 3.4 x 3.4 cm (7.3 x 1.3 x 1.3 inches)
Weight: 96.4 g (3.4 oz)

OUT OF STOCK

Ref: PH200

Ideal for all ORP testing, including anti-oxidant measurement, water purification applications, ionizers, agriculture, aquariums & aquaculture, chlorine monitoring, cooling tower disinfection, environmental testing, fruit & vegetable washing, hydroponics, metal finishing, ozone system monitoring, pharmaceutical & medical applications, pools & spas, pulp bleaching, vineyards & wineries and water treatment.
FEATURES

* Measures Oxidation Reduction Potential (Redox) and Temperature
* Auto-ranging calibration with digital fine tuning
* Includes storage solution in a sponge embedded in a clear cap
* Waterproof housing (IP-67 rating)
* Simultaneous temperature display
* Digital Calibration (push button)
* Auto-off function, data-hold function and low-battery indicator.
* Display: large and easy-to-read LCD screen includes simultaneous temperature reading.
* Replaceable Sensor (model SP-O2)
* Factory Calibrated: The ORP-200 meter is factory calibrated to +200 mV The meter can be easily recalibrated with digital calibration using the push buttons, rather than a screwdriver.
* Includes a cap, batteries, and lanyard

SPECIFICATIONS
ORP Range: -999 to +1000 mV
Temperature Range: 0-80 °C; 32-176 °F
Resolution: 1 mV; Temperature resolution is 0.1 °C/F
Accuracy: 0.5% (+/- 2mV)
Calibration: Digital calibration by push button.
Electrode: Replaceable glass sensor and reference tube electrodes
Housing: IP-67 Waterproof (submersible; floats)
Power source: 3 x 1.5V button cell batteries (included)
Dimensions: 18.5 x 3.4 x 3.4 cm (7.3 x 1.3 x 1.3 inches)
Weight: 96.4 g (3.4 oz)

OUT OF STOCK

Ref: ORP200

Press the "Push-to-Check" button for an instant water quality check!

FEATURES
* With the push of a button, the unit displays a green or red light, indicating good water quality or service required, respectively.
* Tests for TDS or conductivity levels.
* Eight programmable set points (by dip switch).
* Bright LED lights.
* Simple to use.
* Factory Calibrated to 100 ppm NaCl. Re-calibration is unncessary.
* Comes equipped with Mur-lok® Quick-Connect T-fitting (1/4 inch standard, also available in 3/8" or 1/2" ).
* Excellent Reverse Osmosis (RO) or Deionization (DI) monitor
* Installs quickly and easily.

SPECIFICATIONS

TDS/EC Range: 0-5000 ppm (10,000 µS)
Max. Set Point: 50 ppm (100 µS)
Accuracy: ±3%
ATC: No
Cable Length: 24.5" (including sensor)
Fittings: 1/4"
Power source: 4 x 1.5V button cell batteries (included)
Battery life: Approx. one year
Size: 7.6 x 2 x 4.7 cm (3 x .8 x 1.9 in.)
Weight: 39.7 g (1.4 oz.) (not including sensor)

OUT OF STOCK

Ref: QC1

Measure the tap water coming in vs. the purified water going out of your water filtration system at any time.

FEATURES
* Displays TDS levels of the feed water and product water with in & out electrode probes.
* Highly efficient and accurate due to its advanced microprocessor technology.
* Auto-Off function conserves battery power. The unit shuts off automatically after 10 minutes of non-use.
* Dual Range 0-9990 ppm (From 0 - 999 ppm the resolution is 1 ppm. From 1000 to 9990 ppm, the resolution is 10 ppm, indicated by a blinking 'x10' image.)
* Factory Calibrated: our meters are calibrated with a 342 ppm NaCl solution. Meters can be recalibrated with a mini-screwdriver.
* Comes equipped with Mur-lok® Quick-Connect T-fittings.
* Installs quickly and easily.

SPECIFICATIONS
Range: 0-9990 ppm
Accuracy: ±2%
Conversion Factor: NaCl (avg. 0.5)
Cable Length: 24.5" (including sensor)
Fittings: 1/4" standard
Power source: 2 x 1.5V button cell batteries (included)
Battery life: approx. 1000 hours of continuous use
Size: 7.6 x 2 x 4.7 cm (3 x .8 x 1.9 in.)
Weight: 79.4 g (2.8 oz.)

OUT OF STOCK

Ref: DM1

The new 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-1 has five timers for a 5-stage system and programmable set-points and alarms for each function, all in a crisp, attractive housing.

FEATURES
* A five-stage filter monitor with five independent timers and a tri-color LED faucet indicator disc.
* 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 water is turned on. The color indicates the percentage of elapsed time.
* Auto-Off function conserves battery power. The unit shuts off automatically after 5 minutes of non-use.
* The timer counts down in months or days (settings can be modified).
* Includes an audible alarm (beep).
* Modern design is perfect for any kitchen.
* Includes the FMS-1 Water Flow Switch.
* Installs quickly and easily.

SPECIFICATIONS
Timer Range: 0-999 days/months
Timer Modes: Days or months (default is months)
Settings: 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 Switch Cable Length: 93 cm (36.6 in)
Flow Switch Fitting Size: 1/4" Quick Connect
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

OUT OF STOCK

Ref: FM1