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HM Digital DM-2 Commercial In-Line Dual TDS Meter

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$38.99
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The HM Digital DM-2 is a commercial monitor designed to measure TDS (Dissolved Solids) levels in feed and filtration system-treated water. It has an automatic shutdown feature to save battery power.

With its shielded cables and diagnostic messages, this rugged instrument is ideal for reverse osmosis (RO) and deionized water (DI) systems in drinking or potable water, water treatment, aquariums, hydroponics, and more.

FEATURES:

- Microprocessor technology provides high efficiency and accuracy.

- Display the TDS level of feed and purified water using electrode probes.

- Auto power off function saves battery power (auto power off after 3 minutes).

- Factory Calibrated: Our meters are calibrated using a 342 ppm NaCl solution. DM-2 has digital calibration.

- Diagnostic error messages.

- Shielded cables for sensors.

- Comes with two 1/4" diameter fittings (3/8" or 1/2" diameter fittings are also available).

Characteristics:

- Range: 0-9990 ppm Dual Range - Measures from 0 to 999 ppm with one ppm resolution. From 1000 to 9990 ppm, the resolution increases by ten ppm, indicated by a flashing "x10" icon.

- Accuracy: ±2%

- Conversion factor: NaCl (average value 0.5)

- Cable length: 46 inches (including sensor), shielded cables

- Sensor: Dual, 1/4" diameter for quick connection (model SP-3, included)

- Digital Calibration: Digitally calibrated at the factory for 342 ppm NaCl solution. Recalibration can be done on a per-line basis.

- Power supply: 2 AA batteries (included)

- Battery life: approximately two years

- Size: 11.6 x 6.8 x 1.8 cm

- Weight: 201.3 g

DM-2 vs DM-1:

- Designed for commercial and industrial applications.

- More durable housing, resistant to water.

- Digital calibration can be performed separately for each line.

- Improved design, including a large and clear LCD.

- Long waterproof shielded cables.

- Adjustable mount.

With the HM Digital DM-2, you get a reliable and accurate monitor to monitor the TDS levels in your filtration system. Buy it today and provide clean and healthy water for your needs!

 

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HM Digital DM-2 Commercial In-Line Dual TDS Meter
HM Digital DM-2 Commercial In-Line Dual TD...
$38.99

Frequently Asked Questions

Can I use the HM Digital DM-2 to monitor both my RO system's feed water and treated water at the same time?

Yes, the dual TDS meter is specifically designed to measure both feed water and filtration system-treated water simultaneously, allowing you to monitor the effectiveness of your reverse osmosis or deionized water system in real-time.

How long do the batteries last in the DM-2 before I need to replace them?

The HM Digital DM-2 features an automatic shutdown function that conserves battery power when not in use, which significantly extends battery life compared to meters without this feature. Actual battery lifespan depends on usage frequency, but the auto-shutoff helps minimize battery drain.

Is the HM Digital DM-2 suitable for aquarium use, and will the shielded cables protect my readings from interference?

Yes, the DM-2 is specifically designed for aquarium monitoring and other applications requiring accurate TDS measurement. The shielded cables provide protection against electromagnetic interference, ensuring reliable and consistent readings in various environments.

What do the diagnostic messages on the DM-2 tell me, and how do I know if my water filter needs replacement?

The DM-2's diagnostic messages alert you to operational issues and readings that indicate your filter's performance. High TDS readings in treated water suggest your filter cartridge is exhausted and needs replacement, while feed water readings help you monitor incoming water quality.

Can the HM Digital DM-2 withstand daily commercial or heavy-duty water treatment use?

Yes, the DM-2 is built as a rugged commercial-grade instrument specifically engineered for water treatment facilities, drinking water systems, and other demanding applications that require durability and reliable performance over extended periods.