45 products found
HM Digital, Inc. Products
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Handheld TDS Meters
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Model ZT-2 - Basic TDS Tester
The ZT-2 is the first of HM Digital's new HMD line. It's a low-cost TDS meter that's perfect as a promotional item. Though inexpensive, this meter does not skimp on quality, features and ...
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Model TDS-EZ - Water Quality Tester
Ideal for all basic water testing applications. The best value meter in the ...
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Model TDS-3 - Handheld Meter With Carrying Case
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 or toolbox at all ...
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Model EC-3 - Electrical Conductivity Tester with Case
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 or toolbox at all ...
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Model EC-3M - Millisiemens Conductivity Tester with Case
Electrical Conductivity tester that reads in Millisiemens ...
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Model TDS-4 - Pocket-Size TDS Meter
A TDS tester that's ideal for all water purification applications, drinking water testing, pools & spas, fresh water aquariums, hydroponics, and colloidal silver. Perfect for both consumer or commercial use. Carry one in your pocket at all ...
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Model TDS-4TM - Pocket-Size Meter with Digital Thermometer
Ideal for all water purification applications, wastewater regulation, aquaculture, hydroponics, and colloidal ...
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AquaPro - Model AP-1 - Water Quality Tester (TDS)
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 ...
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Model AP-2 - Water Quality Tester (EC)
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 ...
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Model PH-80 - Handheld pH Meter
HM Digital is proud to release its new PH-80, an economically priced water resistant handheld with a resolution of 0.1 pH and an accuracy of +/-0.02 pH. This easy-to-use tester is fast-acting and includes digital calibration, as well as onscreen diagnostic messaging and temperature in a large LCD. The PH-80 was co-designed in U.S.A. and Korea and is backed by a one-year factory ...
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Model COM-80 - EC/TDS HydroTester
NEW! 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 ...
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Model COM-100 - Waterproof EC / TDS / Temp Combo Meter
UPGRADED! (See below) 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 ...
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Model PH-200 - Waterproof pH Meter
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 ...
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Model ORP-200 - Waterproof 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 ...
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Model TM-1 - Industrial-Grade Digital Thermometer
For use in: All hot and cold fluids and/or solids Aquariums Kitchens and bakeries Hydroponics and aquaculture Freezers/coolers and heating systems Motors, generators and ventilations systems Academic, scientific and medical ...
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Model COM-300 - Waterproof Professional Series pH/EC/TDS/Temp Meter
The COM-300 is a professional grade level pH/EC/TDS/Temp meter ideal for all water quality testing, hydroponics, water purification applications, wastewater regulation, aquaculture, colloidal silver, labs & scientific testing, pools & spas, ecology testing, boilers & cooling towers, water treatment and ...
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Model SB-1500H - Salt and Temperature meter
This Newly released SB-1500H is ideal for measuring salt content in food, pools, salt water aquariums and many ...
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Model TDS-4TMA - Aquarium TDS Meter
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 ...
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In-Line TDS Monitors
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HM Digital - Model QC-1 - Quick Check TDS/Conductivity Monitor
Press the 'Push-to-Check' button for an instant water quality ...
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Model SM-1 - In-Line Single TDS Monitor
Ideal for any water filtration system, including reverse osmosis systems, coolers and much ...
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Model DM-1 - In-Line Dual TDS Monitor
Measure the tap water coming in vs. the purified water going out of your water filtration system at any ...
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Model DM-2 - Commercial In-Line Dual TDS Monitor
Install on industrial systems such as car washes, window washing, manufacturing, and food processing. UPGRADED APRIL 2012! The newly upgraded model features digital calibration, low battery indicator, improved accuracy, longer battery life (2 years), longer auto shut-off time (3 min), diagnostic error messaging, and shielded sensor cables. (Upgraded features below are in ...
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Model DM-2EC - Commercial Inline Dual EC Monitor
Inline ELECTRICAL CONDUCTIVITY monitor that can be installed on industrial water filtration systems such as car washes, window washing, manufacturing, and food ...
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Model TRM-1 - Triple Inline TDS Monitor
Three sensor TDS monitor that is ideal for checking TDS levels at 3 points, such as with DI/RO (deionization / reverse osmosis), or multiple points in an RO system, and ...
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Model FM-2 - Filter Monitor With Volumizer
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 ...
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Model CT-1 - Clean Tap Monitor (Discontinued)
CT-1 Clean Tap Monitor has been discontinued and replaced by the FM-1 and ...
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Model PM-1 - OEM In-Line TDS Purity Monitor
An ideal monitor/alert for water coolers and other enclosed water purification systems. Alerts a user when the filtration system requires ...
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Model PM-2 - External In-Line TDS Purity Monitor
An ideal monitor/alert for water coolers and other enclosed water purification systems. Alerts a user when the filtration system requires ...
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Model HM-200 - Portable pH/EC/TDS/Temp Monitor
The HM-200 is a versatile portable pH/EC/TDS/Temp monitor ideal for all water quality testing, hydroponics, water purification applications, wastewater regulation, aquaculture, colloidal silver, labs & scientific testing, pools & spas, ecology testing, boilers & cooling towers, water treatment and ...
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Model FLM-3 - Consumer Flow Meter
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) ...
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TDS Controllers
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Model PS-100 - Panel Mount TDS Controller
Install the Panel Mount Controller to constantly monitor TDS levels of water produced by a high-output ...
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Model PS-200 - Dual TDS Controller
Install the Dual TDS Controller to constantly monitor TDS levels of water produced by a high-output system. Immediately know if the TDS levels rise above an acceptable ...
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Model PS-202 - Dual Display TDS Controller
The PS-202 allows for continuous and simultaneous monitoring and control of TDS levels on two water ...
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Model PC-100 - Conductivity Controller
Please note that the PC-100 Conductivity Controller has been discontinued and replaced by the PSC-150. NOTE The features and specifications below are for the PC-100. They will remain on the site for a few months for those customers who wish to compare the PC-100 with the ...
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Model PSC-150 - Extended Range EC/TDS Controller
New controller includes extended range, digital calibration, on-screen temperature and tri-color ...
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Model PSC-154 - TDS/EC Controller with 4-20mA Output
New controller includes extended range, digital calibration, on-screen temperature, tri-color display and 4-20mA ...
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Model CIC-152 - Dual Control Dosing/Injection TDS/EC Controller
CIC-152 Dual Control Dosing/Injection TDS/EC ...
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Accessories
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TDS and EC Calibration Solutions
For optimal performance, re-calibrate your meters periodically or if testing TDS or conductivity levels in wide or different ...
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pH Buffer 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 ...
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Model ORP - Buffer Solution and Electrode Test Kit
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 ...
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Model pH/ORP - Electrode Storage Solution
For use with HM Digital"s PH-200 and ORP-200. Always make sure your sensor is kept in an electrode storage solution. If dry, refill the cap with the OP-STOR storage ...
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Model TDS/EC - Sensors
TDS/EC ...
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Model CC-1 - Controller Cover
Protect your controllers from dust and ...
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Model FMS-1 - Water Flow Switch
This is a water flow "switch." The switch is a simple relay control to turn a device on or off if water is flowing or not. The FMS-1 is an included part with the FM-1, but is also sold ...
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Model FMS-2 - Flow Sensor
A flow sensor to determine the total volume of water ...