HM DIGITAL

HM Digital logo - Water Testing Meters

HM Digital formerly known as Heemang Electronics was established in 1987. HM Digital is known to be an original equipment manufacturer which has been recognized worldwide for providing the best values in water testing instrumentation, especially their popular TDS meter.

Products are co-designed between their office in Los Angeles and their ISO-9001-certified factory in Seoul, Korea. They produce only the high quality water testing and monitoring equipment for different types of water treatment and purification systems, such as osmosis (RO), that are sold in over 50 countries worldwide. OEM services for customized products and private labeling is also covered.

HM Digital Products

PH-200

$159.50

PH-200: Waterproof Professional Series pH/Temperature Meter

HM Digital PH-200 is a professional temperature meter perfect for all pH testing water. It comes with an advanced microprocessor that provides highly accurate dependable readings in various applications like wastewater regulation, hydroponics, purification applications, pools & spas, ecology testing, boilers & cooling towers  ,labs & scientific testing, aquaculture, agriculture. colloidal silver, water treatment, coffee and wine.

Prices incl. GST

 

COM-300

$278.53

COM-300: Waterproof Professional Series pH/EC/TDS/Temp Meter

The HM Digital COM-300 is one of the professional grade level pH/EC/TDS/Temp meters perfect for all water quality testing, water purification applications, water treatment, wastewater regulation, aquaculture, colloidal silver, labs & scientific testing, hydroponics, pools & spas,  boilers & cooling towers, ecology testing and more.

Price incl. GST

SM-1

$49.50

SM-1: In-line Single TDS Monitor

HM Digital SM-1 has an easy-to-read single line TDS monitor providing a digital readout. The SM-1 is perfect for any water filtration system including reverse osmosis systems, coolers and much more.

Price incl. GST

DM-1

$55.00

HM Digital DM-1: In-Line Dual TDS Monitor

HM Digital DM-1 is a consumer-friendly TDS monitor that measures the input and output of a water filtration system. It measures the feed water (input) versus the product water (output) at any time. It became ideal for everse Osmosis (RO), Deionized water (DI) filtration systems that works perfectly in applications like Aquariums, Hydroponics, drinking or potable water and many more.

Price incl. GST

TRM-1

$88.00

HM Digital TRM-1: Triple In-Line TDS Monitor

HM Digital TRM-1 is a unique TDS monitoring that offers the user a 3-point contact during the process of filtration. This Triple In-Line TDS monitor allows checking for TDS levels at three points such as with multiple points in an RO system, or DI/RO (deionization / reverse osmosis) and many more.

Price incl. GST

HM-200

$396.00

HM Digital HM-200: Portable pH/EC/TDS/Temp Monitor

The HM Digital HM-200 is a portable pH/EC/TDS/Temp monitor perfect for water purification applications, labs & scientific testing, aquaculture, wastewater regulation, all water quality testing, water treatment, colloidal silver, hydroponics, pools & spas, boilers & cooling towers, ecology testing and more.

Price incl. GST

HM-500 Hydromaster

$784.08

HM-500 HydroMaster: EC/TDS, pH, Temp Continuous Monitor

HM-500 Hydromaster is what users can rely on when it comes to monitoring and indicating pH, EC/TDS, and Temp providing accurate and stable readings. The HM-500 is portable and can be wall mounted due to its rechargeable battery. It is also user friendly as it comes equipped with high and low alarm set points, touch screen, and recorded readings. The unit is ideal for applications such as lab, aquariums, pools, hydroponics and etc.

Available on order – please allow 2-3 weeks lead time
Price incl. GST

ASP-20

$54.34

HM Digital ASP-20 unit comes with the following:

  • Twenty (20) packs of Assorted Solutions
  • Five (5) 20 ml packets of pH 4 buffer
  • Five (5) 20 ml packets of pH 7 buffer
  • Five (5) 20 ml packets pH storage solution
  • Five (5) 20 ml packets EC/TDS calibration solution
Price incl. GST

CP-1000

$54.34

HM Digital  CP-1000 

HM Digital CP-1000 unit comes with 20 packs of Sodium Chloride (NaCl) EC/TDS calibration solution and 20 packets of 20 ml 1000ppm / 2mS / 2000 µS solution

Price incl. GST

PH-P4

$54.34

HM Digital PH-P4

HM Digital PH-P4 is composed of 20 packs of pH p4 buffer solution and 20 packets of 20 ml pH 4 buffer.

Price incl. GST

PH-P7

$54.34

HM Digital PH-P7

The HM Digital PH-P7 unit that comes with 20 packs of pH 7 Buffer solution and 20 packets of 20 ml pH 7 buffer.

Price incl. GST

PH-PSTOR

$54.34

HM Digital PH-PSTOR

The HM Digital PH-PSTOR is an electrode storage solution that comprises of 20 pack pH storage solution and 20 packets of 20 ml potassium chloride (KCl) storage solution.

Price incl. GST

PH-STOR

$17.31

PH-STOR: pH Electrode Storage Solution

PH storage solution for HM Digital’s PH-200 / 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).

Price incl. GST

COM-100

$108.90

COM-100: Waterproof Professional Series EC/TDS Meter

The HM Digital COM-100 is one of the EC/TDS/Temp meter at a professional grade level perfect for all water quality testing, water treatment, ecology testing, labs & scientific testing, colloidal silver, wastewater regulation, water purification applications, pools & spas, hydroponics, aquaculture.

Price incl. GST

RCM-1000

$845.90

The HM Digital RCM 1000 BT is a Coffee Refractometer that monitors Brix, TDS, and temperature, in order to effectively measure coffee concentration. It features water resistance, allowing it to be washed with flowing water. It can store up to 20 measurements and has bluetooth technology, allowing for easy data storing and reading.

Price incl. GST

FLM-3

$115.32

The FLM-3 is a consumer flow meter perfect for under the sink monitoring of the flow that has passed through your filtration (RO/DI) system.

Price incl. GST

PSC-150

$520.64

PSC-150: Extended Range EC/TDS Controller

New controller includes extended range, digital calibration, on-screen temperature and tri-color display.

Price incl. GST

SP-P2

$97.90

PH-200 Replacement Probe

  • (Replacement pH/Temp Sensor for PH-200)
  • Measures pH and Temperature
Price incl. GST

SP-C5

$97.90

HM-500 TDS/EC Replacement Probe

  • (Replacement EC/TDS sensor for HM-500)
  • Measures Conductivity and TDS
  • Measures Temperature
  • 1 Year warranty
Price incl. GST

SP-P5

$119.68

HM-500 pH Replacement Probe

  • (Replacement pH sensor for HM-500)
  • Measures pH
  • 6 Month Warranty
Price incl. GST

C342 TDS and EC Calibration Solution

$13.30

C-342 & C-1000: TDS and EC Calibration Solutions

For optimal performance, re-calibrate your meters periodically or if testing TDS or conductivity levels in wide or different ranges.
The 342ppm Calibration Solution is designed for use with pure drinking water. The 1000ppm Calibration Solution is designed for use with beverages, aquariums and pools.

  • NaCl solution
  • Available in 1000 ppm or 342 ppm
  • 3 oz. bottles (90 ml)
  • C342 UPC: 891144000014
  • C1000 UPC: 891144000038
Price incl. GST

C1000 TDS Calibration Solution

$13.30

C1000 & C342: TDS and EC Calibration Solutions

  • For optimal performance, re-calibrate your meters periodically or if testing TDS or conductivity levels in wide or different ranges
  • NaCl calibration solution
  • Comes in lightweight HDPE plastic bottles
  • Laboratory quality NIST-traceable solutions
  • Any brand TDS meter can be calibrated to any brand of calibration solution
  • Bottles have a convenient wide mouth, allowing a user to simply insert the meter into a stable bottle
  • Sealed with coated foam liner
Price incl. GST

TDS-3

$36.30

TDS-3: Handheld TDS Meter with Carrying Case

With its rugged design and build, the TDS-3 is an ideal meter (tool) that can be used for any application; Ranging from water purification, to hydroponics to industrial waste water treatment. It comes with a black vinyl carrying case, protecting it when carried in a toolbox.

Price incl. GST

SP-02 Replacement ORP Sensor for ORP-200

$119.68

TDS-3: Handheld TDS Meter with Carrying Case

With its rugged design and build, the TDS-3 is an ideal meter (tool) that can be used for any application; Ranging from water purification, to hydroponics to industrial waste water treatment. It comes with a black vinyl carrying case, protecting it when carried in a toolbox.

Price incl. GST

SP-5

$23.96

Single TDS Sensor Probe

  • Stainless steel sensors
  • Probe: 1/4″
  • Cable: 45″ (114.3 cm) shielded
  • Connector: Single 4-pin
  • Thermometer pin: Yes
  • Sensors have a green wrap and no label
  • Pressure Rating
Price incl. GST

DM-2

$89.10

DM-2: Commercial Inline Dual TDS Monitor

The DM-2 is a commercial grade monitor measuring TDS feed (input) water vs. product (output) water of a water filtration system at any time. With its shielded cables and diagnostic messaging this robust device is ideal for Reverse Osmosis (RO), Deionized water (DI) filtration systems that work well in applications such as drinking or potable water, Water treatment, Aquariums, Hydroponics and many more.

Price incl. GST

PM-2

$104.50

HM Digital PM-2: External Inline TDS Purity Monitor

The PM-2 is an ideal monitor/alert for water coolers and other enclosed water purification systems. It alerts the user when the filtration system requires service.

Price incl. GST

SP-1

$128.50

TDS/EC Sensor Probe for Panel Mounted Controllers

  • TDS/EC Sensor Probe for panel mounted controllers
  • Durable plastic probe
  • Stainless steel sensors
  • High quality construction
  • Compatible With HM Digital Panel Mount Controllers
Price incl. GST

CIC-152-N

$998.80

CIC-152-N / CIC-152-4: Dual Control Dosing/Injection TDS/EC

The CIC controllers can monitor and control dosing and/or injection systems. This unit will control 2 separate systems.

Price incl. GST

QC-1

$44.00

QC-1: Quick Check TDS/Conductivity Monitor

This basic EC/TDS monitor provides an entry level monitor with its “Push-to-Check” button giving you an instant water quality check! With the push of a button, the unit displays a green or red light, indicating good water quality or service required, respectively.

Price incl. GST

TDS-EZ

$14.68

TDS-EZ: Water Quality Tester

The #1 selling handheld TDS meter in the world! This economically priced meter, offers unparalleled value and quality. Its attractive housing and retail ready packing make it an ideal low cost meter.

Price incl. GST

LBS-10

$115.45

Our LBS-10 LeakBlock Sensor can be used for numerous applications to avoid flooding and unnecessary leaks. The LBS-10 LeakBlock Sensor is perfect for traditional applications:  RO Systems, inlets of a Filter System, and individual Filters.  The robust commercial design of our latching valve, enables the LBS-10 LeakBlock Sensor to be used for additional applications.

Price incl. GST

TDS-4

$34.10

TDS-4: Pocket-Size TDS Meter

The TDS-4 is an ideal pocket meter that can be used for any and all applications, ranging from water purification, to hydroponics, to aquariums, to industrial waste water treatment.

Price incl. GST

SP-1-PSC

$128.50

TDS/EC Sensor Probe for Panel Mounted Controllers

  • TDS/EC Sensor Probe for panel mounted controllers
  • Compatible With HM Digital Panel Mount Controllers
  • Durable plastic probe
  • Stainless steel sensors
  • High quality construction
Price incl. GST

SP-2

$30.49

The HM Digital SP-2 Dual Sensor Probe for DM-1 TDS Monitor features stainless steel sensors with thermometer pins. The HM Digital SP-2 Dual Sensor Probe for DM-1 TDS Monitor includes a 1/4″ probe with 8-pin connector and a 24.5″ cable. Each sensor has a blue or red wrap and is labeled either “IN” or “OUT”.

Price incl. GST

SP-C1

$76.12

COM-100 Replacement Probe

  • (Replacement EC/TDS Sensor for COM-100)
  • Measures Conductivity and TDS
  • Measures Temperature
Price incl. GST

EC-3

$36.30

EC-3: Electrical Conductivity Tester with Case

With its rugged design and build, the EC-3 is an ideal meter (tool) that can be used for any application; Ranging from water purification, to hydroponics to industrial waste water treatment. It comes with a black vinyl carrying case, protecting it when carried in a toolbox.

Price incl. GST

ORP-200

$165.00

ORP-200: Waterproof Professional Series ORP/Temp Meter

The ORP-200 is a professional grade ORP meter 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.

Price incl. GST

LSM-100

$230.76

LSM-100: Commercial grade EC/TDS Monitor

The HM Digital LSM-100 is the ideal EC/TDS monitor for commercial or industrial applications.
Ideal for Large Scale Systems. The extended battery life as well as 1/2″ sensor probe makes the LSM-100 ideal for large scale systems in commercial or industrial settings.
Extra Large Screen. The extra large LCD display screen is both functional and easy to read from far distances.
Battery Operated. The LSM-100 is battery powered and includes two (2) 1.5V AA batteries at no extra cost.

Price incl. GST

PSC-50

$315.81

PSC-50: Single Line, EC/TDS Mini Controller

The PSC-50 is a NEW product from HM Digital offering extended range EC/TDS testing for the commercial or industrial water treatment professional. This “mini” controller has an adjustable relay able to control a pump or valve.

Price incl. GST

PSC-54

$402.93

PSC-54: Single Line, EC/TDS Mini Controller with 4-20mA Output

The PSC-54 is a NEW product from HM Digital offering extended range EC/TDS testing for the commercial or industrial water treatment professional. This “mini” controller has an adjustable relay able to control a pump or valve with a 4-20mA output.

Price incl. GST

PSC-60D

$381.15

PSC-60D: Dual Display, Dual Line EC/TDS Monitor

The PSC-60D is a NEW product from HM Digital offering dual display monitoring for the industrial water treatment professional. This extended range EC/TDS “mini” monitor continuously monitors 2 lines.

Price incl. GST

PS-202

$533.61

PS-202: Dual Display TDS Controller

The PS-202 allows for continuous and simultaneous monitoring and control of TDS levels on two water lines for high output commercial systems.

Price incl. GST

TM-1

$76.23

HM Digital TM-1 Industrial Grade Digital Celsius and Fahrenheit Thermometer, -50 to +250 Degree C / -58 to +482 Degree F Temperature Range, Stainless Steel Probe, 20″ Cable

Price incl. GST

PSC-154

$642.51

PSC-154: TDS/EC Controller with 4-4mA Output

The PSC-154 controller monitors and controls TDS/EC levels for high output commercial systems. It has extended range, digital calibration, on-screen temperature, tri-color display and 4-20mA output.

Price incl. GST

DM-2EC

$89.03

DM-2EC: Commercial In-Line Dual EC Monitor

The DM-2EC is a commercial grade monitor measuring ELECTRICAL CONDUCTIVITY feed (input) water vs. product (output) water of a water filtration system at any time. With its shielded cables and diagnostic messaging this robust device is ideal for Reverse Osmosis (RO), Deionized water (DI) filtration systems that work well in applications such as industrial water filtration systems for car washes, window washing, manufacturing, and food processing.

Price incl. GST

PPH-1000

$1,217.50

PPH-1000: Single Line pH and Temp Controller

This new offering from HM Digital, gives the user a single line pH controller ideal for any industrial or commercial systems needing to control pH levels. This will work especially well in

Price incl. GST

ORP-BUF

$27.50

ORP-BUF: ORP Buffer Powder Solution and Electrode Test Kit

HM Digital’s ORP buffer solution comes in powder form, so it’s lightweight, takes up very little space, is inexpensive and has an indefinite shelf life.

Price incl. GST

ORP-STOR

$17.31

ORP-STOR: ORP Electrode Storage Solution

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

Price incl. GST

SB-1500PRO

$217.69

SB-1500PRO: Salt Tester / Salt Check Meter

SB-1500PRO shows salt concentration in food as a percentage. It helps you monitor your daily salt intake.

Price incl. GST

SCM-1000

$729.63

SCM-1000: Digital Brix Refractometer

The Smart Digital Refractometer that is always ready.

Price incl. GST

PM-1

$100.19

HM Digital PM-1 – OEM Inline TDS Purity Monitor

OEM TDS Monitor w/ Alarm and Indicator light; single sensor, with AC Power

The PM-1 is an OEM monitor/alert sensor for water coolers and other enclosed water purification systems. It is an ideal alert when the filtration system requires service.

Price incl. GST

PH-BUF

$23.85

PH-BUF: pH Buffer powder solution variety pack

HM Digital’s pH buffer solution comes in powder form, so it’s lightweight, takes up very little space, is inexpensive and has an indefinite shelf life.

Price incl. GST

PH-80

$108.90

PH-80: pH HydroTester Series

The PH-80 has proven to be the MOST reliable pH meter in its price range. It has become a favorite in such applications as hydroponics & gardening, pools & spas, aquariums & reef tanks, water ionizers, drinking water and more.

Price incl. GST

COM-80

$66.00

COM-80: EC/TDS HydroTester Series

The COM-80 is easily the most advanced economically priced, reliable EC/TDS meter on the market. With its versatility and durability, it is ideal for testing applications such as hydroponics & gardening, pools & spas, aquariums & reef tanks, water ionizers, drinking water and more.

Price incl. GST

TDS-4TMA

$36.30

TDS-4TMA: Pocket Size TDS/Temp Meter

A TDS tester that’s ideal for all water purification applications, wastewater regulation, aquaculture, hydroponics, and colloidal silver. Perfect for both consumer or commercial use. Carry one in your pocket at all times!

The TDS-4TMA handheld meter is ideal for testing TDS and salt levels of freshwater aquariums and ponds. It can also be used for testing water filtration and purification systems, such as RO and DI, to know when to changes filters and membranes.

Price incl. GST

AP-1

$65.23

AP-1: AquaPro Water Quality Tester (TDS)

HM Digital’s AquaPro Series, is a handheld water quality tester which, with a modern design is perfect for today’s tech-savvy and health-conscience consumer. The AquaPro digital water testers are the next generation for today’s modern kitchen.

Price incl. GST

ZT-2

$25.30

ZT-2 Basic Handheld TDS Tester

The HM Digital ZT-2 Handheld TDS meter is a handheld water quality tester that enables you to determine just how good or bad your water really is! These testers accurately measure the TDS level in your water. Perfect for both consumer or commercial use. Carry one in your pocket or toolbox at all times!

Price incl. GST

AP-2

$18.81

AP-2: AquaPro Water Quality Tester (EC)

HM Digital’s AquaPro series, is a handheld water quality tester which, with a modern design is perfect for today’s tech-savvy and health-conscience consumer. The AquaPro digital water testers are the next generation for today’s modern kitchen.

Price incl. GST

PSC-64D

$446.49

PSC-64D: Dual Display, Dual Line EC/TDS Monitor w/ 4-20mA Output

The PSC-64D is a NEW product from HM Digital offering dual display monitoring for the industrial water treatment professional. This extended range EC/TDS “mini” monitor continuously monitors 2 lines while sending out a 4-20mA output.

Price incl. GST