Brands :: HM Digital Meters

HM Digital HydroMaster Portable/Wall Mount/Bench Continuous pH/EC/TDS/Temp

Product Code:

HMD500

HydroMaster Digital testers make monitoring water easier than ever by reading the levels that matter most and providing accurate readings that you can depend on. Continuous pH/EC/TDS/Temp monitor with rechargeable battery. Portable, wall mount, or benchtop use. HydroMaster HM-500 pH/EC/TDS/°F...

$75.25 $359.00 -79%

Out of stock

HM Digital Hydromaster Replacement EC/TDS Probe

Product Code:

HMDSPC5

The HM Digital Hydromaster EC/TDS Probe is a replacement part for the HydroMaster HM-500.

$41.99 $49.99 -16%

Out of stock

HM Digital PH-80 pH/Temperature Meter

Product Code:

HMDPHM80

The PH-80 is an economically priced, reliable pH meter that is ideal for testing applications such as hydroponics & gardening, pools & spas, aquariums & reef tanks, water ionizers, drinking water and more. FEATURES Measures pH and temperature One-touch automatic digital...

$39.09 $46.50 -16%

In Stock: 138

HM Digital COM-80 EC/TDS/Temp Waterproof Hydro Tester

Product Code:

HMDCOM80

The COM-80 is an economically priced, reliable EC/TDS meter that is ideal for testing applications such as hydroponics & gardening, pools & spas, aquariums & reef tanks, water ionizers, drinking water and more. Measures electrical conductivity (EC), total dissolved solids...

$36.08 $42.95 -16%

In Stock: 91

HM Digital Replacement pH Sensor Probe for HM-500

Product Code:

HMDSPP5

HM-500 Replacement pH probe 2 Meter / 80 inch cable length Includes pH storage solution, 6-month warranty

$32.34 $59.99 -46%

Out of stock

HM Digital TDS-3 Handheld TDS meter

Product Code:

HMDTDS3

Ideal for commercial use, the TDS-3 includes a carrying case with belt clip. It is highly efficent and accurate due to its advanced microprocessor technology. It features a measurement range of 0-9990 ppm. From 0-999 ppm, the resolution is in increments of 1 ppm. From 1000 to 9990 ppm, the...

$23.09 $33.99 -32%

In Stock: 4

HM Digital 1000 ppm TDS Calibration Solution, 3 oz (90 ml)

Product Code:

HMDC1000

NaCl calibration solution 1000 ppm comes in lightweight HDPE plastic bottles. Sealed with a coated foam liner.

$9.56

In Stock: 103

HM Digital PH-STOR pH Electrode Storage Solution

Product Code:

HMOPSTOR

For use with HM Digital's PH-200 and PH-80 (as well as other brands of pH meters). Always make sure your sensor is kept in an electrode storage solution. If dry, refill the pH meter cap with the PH-STOR storage solution. The sponge should be moist (not soaking wet).

$7.13 $8.49 -16%

In Stock: 118