HM Digital

AquaPro Upscale Consumer EC/Temp Meter

Part Number: HMAP-2
Alternate Part Number: AP-2

Measures electrical conductivity (EC) and temperature
Automatic Temperature Compensation (ATC)
Water-resistant housing
Measurement Range: 0-9999 µS
Display: large and easy-to-read LCD screen

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MSRP: $42.95

$25.79

2+ for $24.50 ea
5+ for $23.21 ea
Set of 10 for $21.92 ea
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AquaPro Upscale Consumer TDS/Temp Meter

Part Number: HMAP-1
Alternate Part Number: AP-1

Measures total dissolved solids (TDS) and temperature
Automatic Temperature Compensation (ATC)
Water-resistant housing
Measurement Range: 0-5000 ppm
Display: large and easy-to-read LCD screen

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MSRP: $42.95

$25.79

2+ for $24.50 ea
5+ for $23.21 ea
Set of 10 for $21.92 ea
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DM-1 Dual TDS Meter - 1/4 Feed x 1/4 Product

Part Number: DM-1-2525

This water quality tester accurately measures the TDS level in your tap (feed) water and purified (product) water - enables you to determine just how good or bad your water really is! Use the meter to determine when the reverse osmosis membrane...

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MSRP: $42.00

$29.40

2+ for $27.93 ea
5+ for $26.46 ea
Set of 10 for $24.99 ea
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DM-1 Dual TDS Meter - 1/4 Feed x 3/8 Product

Part Number: DM-1-2538

This water quality tester accurately measures the TDS level in your tap (feed) water and purified (product) water - enables you to determine just how good or bad your water really is! Use the meter to determine when the reverse osmosis membrane...

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$34.40

2+ for $32.68 ea
5+ for $30.96 ea
Set of 10 for $29.24 ea
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DM-1 Dual TDS Meter - 3/8 Feed x 3/8 Product

Part Number: DM-1-3838

This water quality tester accurately measures the TDS level in your tap (feed) water and purified (product) water - enables you to determine just how good or bad your water really is! Use the meter to determine when the reverse osmosis membrane...

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MSRP: $47.00

$34.40

2+ for $32.68 ea
5+ for $30.96 ea
Set of 10 for $29.24 ea
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DM-2 Dual TDS Meter - 1/2 Feed x 1/2 Product

Part Number: DM-2-5050

This water quality tester accurately measures the TDS level in your tap (feed) water and purified (product) water. Use the meter to determine when the reverse osmosis membrane needs replacing. Install on residential, commercial and industrial...

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$50.50

2+ for $47.98 ea
5+ for $45.45 ea
Set of 10 for $42.93 ea
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DM-2 Dual TDS Meter - 1/2 Feed x 3/8 Product

Part Number: DM-2-5038

This water quality tester accurately measures the TDS level in your tap (feed) water and purified (product) water. Use the meter to determine when the reverse osmosis membrane needs replacing. Install on residential, commercial and industrial...

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$50.50

2+ for $47.98 ea
5+ for $45.45 ea
Set of 10 for $42.93 ea
20+ Call

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DM-2 Dual TDS Meter - 1/4 Feed x 1/2 Product

Part Number: DM-2-2550

This water quality tester accurately measures the TDS level in your tap (feed) water and purified (product) water. Use the meter to determine when the reverse osmosis membrane needs replacing. Install on residential, commercial and industrial...

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$50.50

2+ for $47.98 ea
5+ for $45.45 ea
Set of 10 for $42.93 ea
20+ Call

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DM-2 Dual TDS Meter - 1/4 Feed x 1/4 Product

Part Number: DM-2

This water quality tester accurately measures the TDS level in your tap (feed) water and purified (product) water. Use the meter to determine when the reverse osmosis membrane needs replacing. Install on residential, commercial and industrial...

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MSRP: $58.00

$45.50

2+ for $43.23 ea
5+ for $40.95 ea
Set of 10 for $38.68 ea
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DM-2 Dual TDS Meter - 1/4 Feed x 3/8 Product

Part Number: DM-2-2538

This water quality tester accurately measures the TDS level in your tap (feed) water and purified (product) water. Use the meter to determine when the reverse osmosis membrane needs replacing. Install on residential, commercial and industrial...

View Details

$50.50

2+ for $47.98 ea
5+ for $45.45 ea
Set of 10 for $42.93 ea
20+ Call

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DM-2 Dual TDS Meter - 3/8 Feed x 1/2 Product

Part Number: DM-2-3850

This water quality tester accurately measures the TDS level in your tap (feed) water and purified (product) water. Use the meter to determine when the reverse osmosis membrane needs replacing. Install on residential, commercial and industrial...

View Details

$50.50

2+ for $47.98 ea
5+ for $45.45 ea
Set of 10 for $42.93 ea
20+ Call

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DM-2 Dual TDS Meter - 3/8 Feed x 1/4 Product

Part Number: DM-2-3825

This water quality tester accurately measures the TDS level in your tap (feed) water and purified (product) water. Use the meter to determine when the reverse osmosis membrane needs replacing. Install on residential, commercial and industrial...

View Details

$50.50

2+ for $47.98 ea
5+ for $45.45 ea
Set of 10 for $42.93 ea
20+ Call

Compare

DM-2 Dual TDS Meter - 3/8 Feed x 3/8 Product

Part Number: DM-2-3838

This water quality tester accurately measures the TDS level in your tap (feed) water and purified (product) water. Use the meter to determine when the reverse osmosis membrane needs replacing. Install on residential, commercial and industrial...

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MSRP: $72.00

$50.50

2+ for $47.98 ea
5+ for $45.45 ea
Set of 10 for $42.93 ea
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DM-2 Dual TDS Meter - no fitting (1/4" probe only)

Part Number: DM-2-NF

This water quality tester accurately measures the TDS level in your tap (feed) water and purified (product) water. Use the meter to determine when the reverse osmosis membrane needs replacing. Install on residential, commercial and industrial...

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$43.75

2+ for $41.56 ea
5+ for $39.38 ea
Set of 10 for $37.19 ea
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EC / TDS / TEMP Combo Meter

Part Number: COM-100

HM Digital COM-100 EC/TDS/Temp Combo Meter Features: Measures electrical conductivity (EC), total dissolved solids (TDS) and temperature Three different calibration options (KCl, 442TM, NaCl), each with its own non-linear conversion factor...

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MSRP: $75.00

$59.95

2+ for $56.95 ea
5+ for $53.96 ea
Set of 10 for $50.96 ea
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External Inline TDS Purity Monitor - 1/2" push-in

Part Number: PM-2-50

Includes transformer necessary to connect to AC power source. FEATURES External single line internal TDS monitor that is ideal for most water purification systems. Includes a light and optional alarm that alerts the user service is required when...View Details

$62.40

5+ for $56.16 ea
10+ for $51.48 ea
20+ for $48.36 ea

External Inline TDS Purity Monitor - 1/4" push-in

Part Number: PM-2-25

Includes transformer necessary to connect to AC power source. FEATURES External single line internal TDS monitor that is ideal for most water purification systems. Includes a light and optional alarm that alerts the user service is required when...View Details

$62.40

5+ for $56.16 ea
10+ for $51.48 ea
20+ for $48.36 ea

External Inline TDS Purity Monitor - 3/8" push-in

Part Number: PM-2-38

Includes transformer necessary to connect to AC power source. FEATURES External single line internal TDS monitor that is ideal for most water purification systems. Includes a light and optional alarm that alerts the user service is required when...View Details

$62.40

5+ for $56.16 ea
10+ for $51.48 ea
20+ for $48.36 ea

Handheld EC & Temp Meter w/ case

Part Number: HMEC-3
Alternate Part Number: EC-3

Includes a carrying case with belt clip.
Highly efficient and accurate
Hold Function
Built-in digital thermometer
Display: large and easy-to-read LCD screen.

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MSRP: $37.00

$22.20

2+ for $21.09 ea
5+ for $19.98 ea
Set of 10 for $18.87 ea
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Handheld TDS Meter EZ

Part Number: TDS-EZ

HM Digital TDS-EZ Handheld TDS Meter Features: The HM Digital TDS-EZ handheld TDS (Total Dissolved Solids) water quality testers enable you to determine just how good or bad your water really is! These testers accurately measure the TDS level in...

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MSRP: $25.95

$15.59

2+ for $14.81 ea
5+ for $14.03 ea
Set of 10 for $13.25 ea
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Handheld TDS Meter ZT-2

Part Number: TDS-ZT2
Alternate Part Number: ZT-2

HM Digital ZT-2 Handheld TDS Meter Features: Highly efficient and accurate due to its advanced microprocessor technology. Hold function -- Saves measurements for convenient reading and recording, with the sound of a buzzer. Auto-off function --...View Details

MSRP: $25.95

$21.00

HM Digital CC-1 Cover for Panel Mounted Controllers

Part Number: HM-CC-1

HM Digital CC-1 Cover for Panel Mounted Controllers Features: Plastic cover easily slides over the controller Protects the controller from dust and water Made of 1/4" clear acrylic Compatible With HM Digital Panel Mount Controllers: PC-100,...View Details

MSRP: $29.95

$24.95

HM Digital CIC-152 Dual Control Dosing/Injection TDS/EC Controller

Part Number: HMCIC-152
Alternate Part Number: CIC-152

TDS Range: 0-5000 ppm
Temperature Range: 1-80°C; 33-176°F
Resolution: 0.1 ppm (0-999); 1 ppm (1000-9999) ppm
Power Supply: AC 110V / AC 220V
Warranty: 1 year

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MSRP: $348.00

$308.95

2+ for $293.50 ea
5+ for $278.06 ea
Set of 10 for $262.61 ea
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HM Digital Filter Monitor - w/ Flow Sensor & Volumizer

Part Number: HMFM-2
Alternate Part Number: FM-2

five-stage filter monitor w/ five independent timers
tri-color LED faucet indicator disc.
counts time and volume for up to five stages (can be less)
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)

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MSRP: $58.00

$39.95

2+ for $37.95 ea
5+ for $35.96 ea
Set of 10 for $33.96 ea
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HM Digital Filter Monitor - w/ Water Flow Switch

Part Number: HMFM-1
Alternate Part Number: FM-1

Includes a carrying case with belt clip.
Highly efficient and accurate
Hold Function
Built-in digital thermometer
Display: large and easy-to-read LCD screen.

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MSRP: $45.00

$29.95

2+ for $28.45 ea
5+ for $26.96 ea
Set of 10 for $25.46 ea
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HM Digital pH/ORP Electrode Storage Solution

Part Number: OP-STOR

HM Digital pH/ORP Electrode Storage Solution Features: For use with the PH-200 or ORP-200 Convenient size Bottle: Combination twist off and eyedropper style cap Made in Korea Electrode Storage Solution Specifications: Total Volume: 60 cc...View Details

$7.95

HM Digital PH-80 Handheld pH / Temp Meter

Part Number: PH-80

HM Digital PH-80 Handheld pH / Temp Meter Features: The HM Digital PH-80 Handheld pH / Temp Meter is an economically priced, reliable pH meter. The PH-80 HydroTester is ideal for testing applications such as hydroponics & gardening, pools...

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MSRP: $59.95

$54.95

2+ for $52.20 ea
5+ for $49.46 ea
Set of 10 for $46.71 ea
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HM Digital PS-100 Panel Mount TDS Controller

Part Number: PS-100

TDS Range: 0-999 ppm
Resolution: 1 ppm
Power Supply: AC 110V / AC 220V
Warranty: 1 year

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MSRP: $168.00

$144.95

2+ for $137.70 ea
5+ for $130.46 ea
Set of 10 for $123.21 ea
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HM Digital PS-200 Dual TDS Controller

Part Number: PS-200

TDS Range: 0-999 ppm
Resolution: 1 ppm
Power Supply: AC 110V / AC 220V
Warranty: 1 year

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MSRP: $208.00

$174.95

2+ for $166.20 ea
5+ for $157.46 ea
Set of 10 for $148.71 ea
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HM Digital PS-202 Dual Display TDS Controller

Part Number: PS-202

TDS Range: 0-999 ppm
Resolution: 1 ppm
Power Supply: AC 110V / AC 220V
Warranty: 1 year

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MSRP: $238.00

$194.95

2+ for $185.20 ea
5+ for $175.46 ea
Set of 10 for $165.71 ea
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HM Digital PSC-150 Extendend Range EC/TDS Controller

Part Number: PSC-150

TDS Range: 0-5000 ppm
Temperature Range: 1-75°C; 33-167°F
Resolution: 0.1 µS/ppm (0-999); 1 µS/ppm (1000-9999) ppm
Power Supply: AC 110V / AC 220V
Warranty: 1 year

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MSRP: $208.00

$174.95

2+ for $166.20 ea
5+ for $157.46 ea
Set of 10 for $148.71 ea
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HM Digital PSC-154 Extendend Range EC/TDS Controller with 4-20mA Output

Part Number: PSC-154

TDS Range: 0-5000 ppm
Temperature Range: 1-75°C; 33-167°F
Resolution: 0.1 µS/ppm (0-999); 1 µS/ppm (1000-9999) ppm
Power Supply: AC 110V / AC 220V
Warranty: 1 year

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MSRP: $298.00

$238.95

2+ for $227.00 ea
5+ for $215.06 ea
Set of 10 for $203.11 ea
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HM Digital SP-1 TDS/EC Sensor Probe for Panel Mounted Controllers

Part Number: HM-SP-1

HM Digital SP-1 TDS/EC Sensor Probe Features: TDS/EC Sensor Probe for Panel Mounted Controllers Durable plastic probe Stainless steel sensors High quality construction Compatible With HM Digital Panel Mount Controllers: PC-100, PS-100 , PS-200 ,...View Details

MSRP: $59.00

$50.15

10+ for $31.90 ea

HM Digital SP-1-PSC TDS/EC Sensor Probe for Panel Mounted Controllers

Part Number: HM-SP-1-PSC

HM Digital SP-1 TDS/EC Sensor Probe Features: TDS/EC Sensor Probe for Panel Mounted Controllers Durable plastic probe Stainless steel sensors High quality construction Compatible With HM Digital Panel Mount Controllers: PSC-150 , PSC-154 ,...View Details

MSRP: $59.00

$50.15

10+ for $31.90 ea

HM Digital SP-2 Dual TDS Sensor Probe for DM-1 Dual Inline TDS Monitor

Part Number: HM-SP-2

HM Digital SP-2 Dual TDS Sensor Probes Features: Each sensor has a blue or red wrap and is labeled "in" or "out" Stainless steel sensors HM Digital SP-2 Dual TDS Sensor Probes Specifications: Sensors: stainless steel Probe: 1/4" Cable: 24.5"...View Details

MSRP: $14.00

$11.90

2+ for $11.31 ea
6+ for $10.71 ea

HM Digital SP-3 Dual TDS Sensor Probes for DM-2 Dual Inline TDS Monitor

Part Number: HM-SP-3

HM Digital SP-3 Dual TDS Sensor Probes Features: Each sensor has a blue or red wrap and is labeled "in" or "out" Stainless steel sensors HM Digital SP-3 Dual TDS Sensor Probes Specifications: Sensors: stainless steel Probe: 1/4" Cable: 45"...View Details

MSRP: $22.00

$18.70

10+ for $12.36 ea

HM Digital TDS-3 Handheld TDS Meter With Thermometer

Part Number: TDS-3

HM Digital TDS-3 Handheld TDS Meter With Thermometer Features: The HM Digital TDS-3 handheld water quality tester enables you to determine just how good or bad your water really is! These testers accurately measure the TDS level in your water....

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MSRP: $37.00

$22.20

2+ for $21.09 ea
5+ for $19.98 ea
Set of 10 for $18.87 ea
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ORP Buffer Solution and Electrode Test Kit

Part Number: ORP-BUF

ORP Buffer Solution and Electrode Test Kit Features: Variety pack of ORP buffer solution Test kit to check the quality of your ORP electrode Simple to use Powder has an indefinite shelf life. Accuracy: +/- 0.2 ORP at 25º C Kit includes 5...View Details

MSRP: $19.95

$18.95

2+ for $18.00 ea
5+ for $17.06 ea
Set of 10 for $16.11 ea
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ORP-200 Waterproof ORP Meter

Part Number: ORP-200
Alternate Part Number: Extech ExStik RE-300

HM Digital ORP-200 Handheld ORP Meter Features: Measures Oxidation Reduction Potential (Redox) and Temperature Auto-ranging calibration with digital fine tuning Includes 4 pH buffer solution in a sponge embedded in a clear cap, so you can see if...

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MSRP: $108.95

$87.95

2+ for $83.55 ea
5+ for $79.16 ea
Set of 10 for $74.76 ea
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pH / Temp Meter Waterproof

Part Number: PH-200

HM Digital PH-200 Handheld pH/Temp Meter Features: Measures pH and Temperature Auto-ranging three point calibration with digital fine tuning Includes 4 pH buffer solution in a sponge embedded in a clear cap, so you can see if it's dried up...

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MSRP: $99.95

$79.95

2+ for $75.95 ea
5+ for $71.96 ea
Set of 10 for $67.96 ea
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pH Buffer Powder Pillow 12 Pak

Part Number: PH-BUFF

The pH Buffer comes in powder form in 12 pillow packs. Because the pH buffer is in powder form, there is an indefinite shelf life, which takes up less space. The user also only needs to mix what they need at the time, when mixed with distilled...View Details

MSRP: $10.95

$9.95

5+ for $7.96 ea
10+ for $6.97 ea
20+ for $6.47 ea

Pocket Size TDS Meter

Part Number: TDS-4

HM Digital TDS-4 Handheld TDS/Temp Meter Features: Highly efficient and accurate due to its advanced microprocessor technology Hold Function -- Saves measurements for convenient reading and recording Auto-off function -- Automatically shuts off...

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MSRP: $35.00

$21.00

2+ for $19.95 ea
5+ for $18.90 ea
Set of 10 for $17.85 ea
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Pocket Size TDS Meter w/ Thermometer

Part Number: TDS-4TM
Alternate Part Number: EV6500-02,EV650020

HM Digital TDS-4TM Handheld TDS/Temp Meter Features: Includes an internal digital thermometer Hold Function -- Saves measurements for convenient reading and recording Auto-off function -- Automatically shuts off meter after 10 minutes of non-use...

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MSRP: $37.00

$22.20

2+ for $21.09 ea
5+ for $19.98 ea
Set of 10 for $18.87 ea
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QC-1 Quick Check TDS Monitor - 1/4" Push-in

Part Number: QC-1

With the push of a button, the QC-1 displays a green or red light, indicating good water quality, or service required, repectively. Features: Tests for TDS or conductivity levels. Eight programmable set points (by dip switch). Bright LED lights...

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MSRP: $28.95

$20.30

2+ for $19.29 ea
5+ for $18.27 ea
Set of 10 for $17.26 ea
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Replacement Aluminum Rod - PR 1

Part Number: AR-1

Replacement Aluminum Rod for the PR-1 Precipitator. The Precipitator Demonstrator model PR-1 requires (2) Iron Rods # IR-1 and (2) Aluminum Rods # AR-1. Replace rods from an aesthetic perspective as appearance does not effect performance.View Details

$2.25

Replacement Aluminum Rod - PR 2

Part Number: AR-2

Replacement Aluminum Rod for the PR-2 Precipitator. The Precipitator Demonstrator model PR-2 requires (2) Iron Rods # IR-2 and (2) Aluminum Rods # AR-2. Replace rods from an aesthetic perspective as appearance does not effect performance.View Details

$2.25

Replacement Iron Rod (Anode) - PR 1

Part Number: IR-1

Replacement Iron Rod for the PR-1 Precipitator. The Precipitator Demonstrator model PR-1 requires (2) Iron Rods # IR-1 and (2) Aluminum Rods # AR-1. Replace rods from an aesthetic perspective as appearance does not effect performance.View Details

$2.25

Replacement Iron Rod (Anode) - PR 2

Part Number: IR-2

Replacement Iron Rod for the PR-2 Precipitator. The Precipitator Demonstrator model PR-2 requires (2) Iron Rods # IR-2 and (2) Aluminum Rods # AR-2. Replace rods from an aesthetic perspective as appearance does not effect performance. .View Details

$2.25

SM-1 Inline Single TDS Monitor - 1/4" Push-in

Part Number: SM-1

This water quality tester accurately measures the TDS level in your purified (product) water - enables you to determine just how good or bad your water really is! Use the meter to determine when the reverse osmosis membrane needs replacing....

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MSRP: $35.00

$24.50

2+ for $23.28 ea
5+ for $22.05 ea
Set of 10 for $20.83 ea
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TDS Calibration NaCl Solution - 1000 ppm 3oz/89ml

Part Number: C1000

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...

Number of Test: Good for 5-10 calibrations
Test Type: Total Dissolved Solids/Matter

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MSRP: $5.95

$4.95

5+ for $3.92 ea
10+ for $3.12 ea

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