Skip to content
HM Digital Pro COM-100 TDS EC Temp Meter

HM Digital Pro COM-100 TDS EC Temp Meter

See more by HM Digital
SKU: HM-COM-100

Official Distributor

$74.95

Or

Monthly payments start at:

$2.08/mo

Check Icon

Monthly Payment Start at:

$2.08/mo

  • Ships in 1-5 days at most
Contact us about commercial pricing

Notify me when back in stock

Check Icon Order Processed in 12 hours
Check Icon Free Shipping Over $200 (Exclusive Apply)
Check Icon No Sales Tax! (Outside Nevada, on most products)

Free Shipping

On most orders

Call Us

(833) 416-0375

Mon-Fri 9am-6pm CST

Lowest Price Guranteed

There is never a better price,

we can always price match

No Sales Tax

Absolutely no tax on any purchase

Easy Returns

Always hassle free

Free Shipping

Lowest Price Gurantee

No Sales Tax

Easy Returns

Is the HM Digital Pro COM-100 TDS EC Temp Meter Right for You?

If you're looking for a precise and versatile water quality meter, the HM Digital Pro COM-100 is a great choice. This advanced meter provides simultaneous readings of TDS, EC, and temperature, ensuring accurate water analysis for hydroponics, purification systems, and other applications. Featuring a large LCD screen, digital calibration, and automatic temperature compensation, it delivers reliable results with ease. 

  • Features & Benefits
  • Product Specifications
  • What is included?
  • Warranty Policy

HM Digital Pro COM-100 TDS EC Temp Meter

The HM Digital Pro COM-100 is a high-precision meter designed for accurate water quality testing. It measures TDS, EC, and temperature simultaneously, making it a versatile tool for hydroponics, water treatment, and purification applications.

  • Measures TDS, EC & temperature simultaneously.
  • One-button digital calibration for accuracy.
  • Large LCD for clear, easy readings.
  • Battery-powered with auto-off for efficiency.
  • Water-resistant for indoor & outdoor use.

Why Choose the HM Digital Pro COM-100 TDS EC Temp Meter?

The HM Digital Pro COM-100 is a versatile and high-precision water quality meter designed for those who need reliable TDS, EC, and temperature measurements. Its advanced digital calibration and automatic temperature compensation ensure consistent accuracy across a variety of applications, including hydroponics, water treatment, and purification. Featuring a large, easy-to-read LCD display and a water-resistant design, the COM-100 is both user-friendly and durable. Whether for professional or everyday use, this meter delivers dependable results every time.

Why HM Digital?

HM Digital is a trusted name in water quality testing, offering innovative and reliable solutions for growers, aquarium enthusiasts, and professionals. Designed for precision, its advanced meters provide accurate TDS and temperature readings, ensuring optimal water conditions. With user-friendly features like digital calibration and a durable, water-resistant design, HM Digital products help you maintain consistency and efficiency in your water monitoring routine.

Why Buy From Us?

At GreenThumbDepot, you're not just another sale to a faceless corporation. You're partnering with a team genuinely invested in your success. Our legendary customer service, combined with a promise of unbeatable prices, sets us apart. We're here for you, always.

FAQ Section

What does the HM Digital Pro COM-100 measure?
The COM-100 measures Total Dissolved Solids (TDS), Electrical Conductivity (EC), and temperature in water.
How accurate is the COM-100 meter?
It provides readings with an accuracy of ±2%, ensuring precise water quality monitoring.
How do I calibrate the meter?
The COM-100 features digital calibration with a one-button operation for quick and accurate adjustments.
Does the COM-100 have automatic temperature compensation (ATC)?
Yes, it includes automatic temperature compensation (ATC) to ensure accurate readings in varying conditions.
Is the COM-100 waterproof?
The COM-100 is water-resistant but should not be fully submerged in water.
What type of batteries does the COM-100 use?
It runs on two AAA batteries, which are included in the package.
How long do the batteries last?
Battery life varies based on usage, but the auto-off feature helps extend battery performance.
How long will shipping take?
Please check our shipping policy here for shipping details.
What is the return policy?
Please check our return policy here for return details.

Specifications

HM Digital Pro COM-100 TDS EC Temp Meter Specifications
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/0.01 mS/ppt
100-999: 1 µS/ppm
1000-9990: 10 µS/ppm
Temperature resolution: 0.1 °C/F
Accuracy +/- 2%
EC to TDS Conversion Non-linear conversions for KCl, 442™ or NaCl solutions, selectable by the user
Probe Detachable platinum electrodes
Housing IP-67 Waterproof (submersible; floats)
Power Source 2 x AAA batteries (included)
Dimensions 18.5 x 3.4 x 3.4 cm (7.3 x 1.3 x 1.3 inches)
Weight 127 g (4.5 oz)

What’s in the Box?

The HM Digital Pro COM-100 TDS EC Temp Meter package includes:

  • HM Digital Pro COM-100 TDS EC Temp Meter
  • Detachable platinum electrode probe
  • 2 x AAA batteries (pre-installed)
  • User manual with setup and calibration guide

Warranty Policy

Please check out the manufacturers website for Warranty related issues.

>