Upgrade Your Water Quality Testing with the HM Digital COM-100 EC/TDS Meter

Experience accurate and reliable water quality testing with the HM Digital COM-100 EC/TDS/Temp meter, designed for a wide range of applications, from hydroponics to water treatment, and everything in between. This professional-grade meter ensures precise measurements of electrical conductivity, total dissolved solids, and temperature in a user-friendly and waterproof package.

Features and Benefits

• Wide Measurement Range: EC Range 0-9990 µS and 0-9.99 mS, TDS Range 0-8560 ppm (0.7 Scale), TDS Range 0-5000 ppm (0.5 Scale), and Temperature Range 0-55°C.
• Upgraded Four-Scale System: µS, mS, ppm 0.5 (NaCl) Scale, and 0.7 (442) Scale for increased accuracy.
• Automatic Temperature Compensation: Utilises three temperature coefficients for precise measurements.
• Waterproof Housing: IP-67 rated, perfect for submersion and use in wet environments.
• Digital Calibration: Calibrate easily with a push button to any point within the meter's range.

Specification

• EC Range: 0 – 9990 µS; 0 – 9.99 mS
• TDS Range: 0 – 8560 ppm (0.7 Scale); 0 – 8.56 ppt (0.7 Scale)
• 0 – 5000 ppm (0.5 Scale); 0-5.00 ppt (0.5 Scale)
• Temperature Range: 0-55 °C; 32-130°F
• Resolution: 0-99: 0.1 µS/ppm/ 0.01mS/ppt; 100-999: 1 µS/ppm; 1000-9990: 10 µS/ppm. Temp. resolution is 0.1 °C/F
• Accuracy: +/- 2%
• EC to TDS Conversion Factor: Non-linear conversions for KCl, 442TM or NaCl solutions, selected by the user.
• Probe: Detachable platinum electrodes
• Housing: IP-67 Waterproof (submersible; floats)
• UPGRADED: Power source: 2 x Triple A (AAA) included
• Dimensions: 18.5 x 3.4 x 3.4 cm (7.3 x 1.3 x 1.3 inches)
• Weight: 127g (4.5 oz)
• UPC: 891144000007
• 442 is a registered trademark of the Myron L Company.

How to Use

1. Remove the protective cap.
2. Rinse the electrode with distilled water and gently shake to remove any water droplets.
3. Press the ON/OFF button to turn on the meter.
4. Immerse the electrode in the solution you want to test.
5. Wait for the reading to stabilise, then record the result.
6. Press the ON/OFF button to turn off the meter.
7. Rinse the electrode with distilled water and replace the cap.

Aqua Gardening Suggests These are Best For

The HM Digital COM-100 EC/TDS Meter is 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 more.

FAQs

What are some of the ideal applications for the COM-100 EC/TDS Meter?

The COM-100 is suitable 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 more.

How do I calibrate the COM-100 EC/TDS Meter?

The meter has a digital calibration using a push button. You can calibrate it to any point within the meter's range.

Does the COM-100 come with batteries included?

Yes, the meter comes with 2 AAA batteries.

Is the COM-100 waterproof?

Yes, it comes with waterproof housing and an IP-67 rating, meaning it is submersible.

What temperature range can the COM-100 measure?

The meter can measure a temperature range of 0-55°C.

Is the COM-100's sensor replaceable?

Yes, the sensor (Model SP-C1) is replaceable.

What are the different scales that the COM-100 can measure?

It can measure in four different scales: uS, mS, ppm 0.5 (NaCl) Scale, and 0.7 (442) Scale.

What is the accuracy of the COM-100?

The COM-100 has an accuracy of +/- 2%.

Does the meter have any additional features or functions?

Yes, it has an auto-off function, data-hold function, and low-battery indicator.

How do I read the measurements on the COM-100?

The large, easy-to-read LCD screen displays the measurements, including a simultaneous temperature reading.