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Item #:
224046628
HM Digital COM-80 Electrical Conductivity (EC) and Total Dissolved Solids Hydro Tester, 0-5000 ppm TDS Range, 1 ppm Resolution, +/- 2% Readout
89% of respondents would recommend this to a friend
Item #:
224046628
SCR 548
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Imported from USA store
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Order now and get it around Thursday, October 08
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The COM-80 is an economically priced, reliable EC/TDS meter perfect for testing hydroponics, pools, aquariums, and more.
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What Stands Out
High Precision
Offers a resolution of 1 Ppm with ±2% accuracy, ensuring reliable readings for users who need precise water quality assessments.
Wide Range
Capable of measuring TDS from 0 to 5000 Ppm, making it versatile for different applications, from aquariums to agriculture.
User-friendly Design
Compact and easy-to-use tester with clear readouts, designed for both beginners and professionals to quickly monitor water quality.
Product Details
| Additional Features | Auto-off function, data-hold function, and low-battery indicator |
| Display Type | LCD |
| Power Source | Battery Powered |
| Number of Batteries | 3 LR44 batteries required. |
| Upper Temperature Range | 80 u00b0C |
| Response Time | 0.5 seconds |
| Reusability | Reusable |
| Immersion Depth | 15.5 centimeters |
| Indoor Outdoor Usage | Indoor |
| Resolution | 1 u00b5S/ppm; 0.1 mS |
| Outer Material | Plastic |
| Product Care Instructions | Wipe Clean |
| Inner Material | Plastic/Rubber |
| Color | White |
| Style Name | Minimalist |
| Brand Name | HM Digital |
| Age Range Description | Adult |
| Included Components | Protective cap, 3 x 1.5V button cell batteries (LR44 or equivalent) |
| Model Name | EC/TDS HydroTester Series |
| Model | EC/TDS HydroTester Series |
| UPC | 891144000229 |
| Global Trade Identification Number | 00891144000229 |
| Manufacturer | HM Digital |
| Item Weight | 2.08 ounces (58.97 grams) |
| Part Number | COM-80 |
| Unit Count | 1 Count |
| Item Length | 15.3 centimeters |
| Brand | HM Digital |
| Special Feature | Auto-off function, data-hold function, and low-battery indicator |
| Age Range (Description) | Adult |
Who Should Buy?
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Aquarium Enthusiasts
Ideal for aquarium hobbyists monitoring water quality, ensuring optimal living conditions for aquatic life.
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Hydroponic Farmers
Beneficial for hydroponic setups to regularly check nutrient levels and maintain healthy plant growth.
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Laboratory Use
Suitable for laboratory settings requiring accurate measurements of EC and TDS in various solutions.
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General Consumers
Not ideal for casual users needing basic water quality checks without advanced features.
Product Description
HM Digital COM-80 Electrical Conductivity (EC) and Total Dissolved Solids Hydro Tester, 0-5000 ppm TDS Range, 1 ppm Resolution, +/- 2% Readout Accuracy
Have any Query? Chat with us
Customer Questions & Answers
-
Question:
What is the main function of the HM Digital COM-80 Hydro Tester?
Answer: The HM Digital COM-80 Hydro Tester is designed to measure electrical conductivity (EC) and total dissolved solids (TDS) in water. This versatility allows it to provide critical information about water quality, especially for aquariums, hydroponics, and drinking water evaluation. Understanding EC and TDS levels helps users ensure optimal growing conditions in gardening or assess the safety of their drinking water. -
Question:
What is the TDS range of the HM Digital COM-80 Hydro Tester?
Answer: The HM Digital COM-80 Hydro Tester offers a TDS measurement range of 0 to 5000 ppm. This wide range makes it suitable for various applications, from monitoring drinking water quality to testing nutrient solutions in hydroponics. Users benefit from the precise readings, ensuring they can identify any issues related to water quality promptly and take appropriate action. -
Question:
How precise is the HM Digital COM-80 Hydro Tester?
Answer: The COM-80 Hydro Tester provides a resolution of 1 ppm and 2% readout accuracy. This level of precision is essential for users who need detailed assessments of water quality, such as scientists or hydroponics growers. With pinpoint accuracy, users can track changes in water quality closely, which is crucial for maintaining optimal conditions in various settings. -
Question:
Can the HM Digital COM-80 Hydro Tester be calibrated?
Answer: Yes, the HM Digital COM-80 can be calibrated to maintain its accuracy over time. Calibration is essential for obtaining reliable readings, especially in professional or sensitive environments. Users can perform calibration using calibration solutions, ensuring optimal performance and reliability when measuring EC and TDS levels in water. -
Question:
Is the HM Digital COM-80 Hydro Tester portable?
Answer: The HM Digital COM-80 Hydro Tester is lightweight and compact, making it highly portable. This portability allows users to easily carry it to different locations, whether they're checking water quality at home, in the garden, or on outdoor expeditions. Its convenience empowers users to monitor water conditions wherever necessary. -
Question:
What type of battery does the HM Digital COM-80 use?
Answer: The HM Digital COM-80 Hydro Tester operates using standard 9V batteries, which are widely available. This power option ensures that the device remains functional even in remote locations where electric outlets are not accessible. Keeping a spare battery ensures that you can continue monitoring your water quality without interruption. -
Question:
What applications is the HM Digital COM-80 suited for?
Answer: The HM Digital COM-80 is ideal for diverse applications, including aquarists monitoring reef tank water quality, farmers assessing irrigation water, and hydroponics enthusiasts checking nutrient levels. Its versatility makes it essential for anyone needing precise measurements of EC and TDS to promote better water conditions in a range of environments. -
Question:
Is it user-friendly for beginners?
Answer: Yes, the HM Digital COM-80 Hydro Tester is designed to be user-friendly, making it accessible for both seasoned professionals and beginners. It features a simple interface and clear display, allowing users to take readings without extensive technical knowledge. Beginners can easily grasp how to use the device, ensuring they can effectively monitor water quality from the start. -
Question:
How should I maintain my HM Digital COM-80 Hydro Tester?
Answer: To maintain optimal performance, clean the probe regularly and store the device in a safe, dry place when not in use. It’s crucial to avoid droppings or exposing the device to extreme conditions. Proper maintenance ensures longevity and reliability, allowing users to confidently monitor water quality over time. -
Question:
Where can I buy the HM Digital COM-80 Hydro Tester in Seychelles?
Answer: You can purchase the HM Digital COM-80 Hydro Tester on Ubuy in Seychelles. Ubuy offers a wide selection of quality products, ensuring that you'll find what you need easily. Shopping on Ubuy provides a seamless experience for obtaining essential tools like the COM-80, allowing you to enhance your water quality monitoring efficiently.
HM Digital Conductivity Meters & Accessories Editorial Review
HM Digital COM-80 Electrical Conductivity (EC) and Total Dissolved Solids Hydro Tester offers precise measurements with a range of 0-5000 ppm and a resolution of 1 ppm, making it an excellent tool for enthusiasts and professionals alike. Key features include an LCD display for easy reading, an auto-off function to save battery life, and a data-hold function that allows users to freeze their measurements for further reference. Additionally, this tester is quick to respond with a 0.5-second response time, ensuring efficient testing without delay. It's designed for indoor use and showcases a minimalist style that is easy to handle and store.
Customer Reviews & Ratings
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Pros
- Accurate readings with +/- 2% accuracy
- Auto-off feature helps preserve battery life
- Data-hold function for convenience
- Compact size and lightweight design
- Reusable, making it environmentally friendly
Cons
- Display may be hard to read in low light
Platform Trust & Buyer Confidence
JK
Jasmin
Verified buyer
“Great products and very good service: very easy and very fast international delivery.”
9 September 2026 · via Trustpilot
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Anke
Verified buyer
“Wonderful online shopping experience, smooth transaction from the start. Payment method works conveniently and delivery is unexpectedly fast and reliable. You go the extra mile for service. What makes this even more amazing, you deliver to Namibia. I will remain a happy Ubuy customer and will increase my purchases for sure! Thank you!”
10 September 2026 · via Trustpilot
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Hazel
Verified buyer
“Very easy to find the products what you need, and so fast delivery, that’s why I highly recommended to others costumers to used ubuy.”
10 September 2026 · via Trustpilot
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Opaleye
Verified buyer
“I received exactly what I ordered I was skeptical about your site because that was my first time to order. But the order came timely and neatly packaged. I was not disappointed. Thank you.”
11 September 2026 · via Trustpilot
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Adele
Verified buyer
“Easy to find and order what you want on the website. Delivery is quick to the UK”
8 September 2026 · via Trustpilot
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SCR 548
Order now and get it around Thursday, October 08
This item is not restrict in my country.(Please click on above link if this item is not restrict in your country, So our team will review and allow.)
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Features & Benefits
- Economical and reliable EC/TDS meter.
- Ideal for hydroponics, gardening, pools, and aquariums.
- Measures electrical conductivity (EC) and total dissolved solids (TDS).
- Four scales available: EC in µS and mS; TDS in ppm and ppt.
- Features Automatic Temperature Compensation (ATC).
- Water resistant for durability and versatility.
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