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Ships within 48 hours · Estimated delivery Jul 7 - Jul 12
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Description
HM Digital EC/TDS HydroTester PenHm Digital released the COM 80 as an affordable, but reliable, EC TDS meter ideal for testing in situations like hydroponics, aquaponics, gardening, pools & spas, aquariums & reef tanks, water ionizers, drinking water and more. This handheld pen measures both electrical conductivity (EC) and total dissolved solids (TDS) and is a great option for hydroponic nutrient testing. Features Four Scales EC: S, mS and TDS: ppm, ppt ATC (Automatic Temperature
Hm Digital released the COM-80 as an affordable, but reliable, EC/TDS meter ideal for testing in situations like hydroponics, aquaponics, gardening, pools & spas, aquariums & reef tanks, water ionizers, drinking water and more. This handheld pen measures both electrical conductivity (EC) and total dissolved solids (TDS) and is a great option for hydroponic nutrient testing.
Features
- Four Scales- EC: µS, mS and TDS: ppm, ppt
- ATC (Automatic Temperature Compensation)
- Water Resistant
- Range: 0-9990 µS; 0-5000 ppm; 0-9.9 mS; 0-5.0 ppt
- Easy digital calibration
- Saves battery with an auto-off function
- Data-hold function
- Large LCD screen shows temp too
- Factory calibrated
- Includes cap and batteries
| EC Range | 0-9990 µS; 0-9.9 mS |
| TDS Range | 0-5000 ppm (mg/L); 0-5.0 ppt |
|
Temp Range |
1-80°C/33-176°F |
| Resolution | 1 µS/ppm; 0.1 mS/ppt |
| Temp Resolution | 0.1°C/F |
| Accuracy | +/- 2% |
| EC to TDS Conversion Factor | NaCl (avg of 0.5) |
|
Calibration |
Digital, push button |
| Dimensions | 6.0 x 1.3 x 0.7 inches |
Shipping Notes
- Free Standard Shipping on $100+ Orders to the USA.
- Except Preorder products are shipped in 48 hours.
- Delivery to the USA:
- Standard Shipping : 3-10 business days
- If time is of the essence, please consider selecting expedited delivery for faster service.
Exchange/Return Notes
- We offer a 30-day return/exchange service after receiving.
- Final sale items are not eligible for returns or exchanges.
- To process your return/exchange, please contact us at [email protected]
- Please click here for more details>>> Return & Exchange Policy
4.3 ★★★★★
Based on 219 reviews
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Product Reviews
★★★★★ 5
A must buy for espresso lovers and limited counterspace
Color: Black
If you want an espresso machine but don’t want to go though the entire massive machines this is the perfect beginning and even moderate espresso maker for you! So much you can do with it, makes a great solid shot of espresso. No concerns so far and fast and easy to learn steps. Recommending this to all our friends and family that are interested
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Reviewed in the United States on April 14, 2026
★★★★★ 5
Great value for your money!
Color: A-Silver
Yessss! Real espresso maker! Excellent brewing capacity. Easy to use. Made with great quality material. The machine comes with all the pamphlets & easy to read instructions which say to heat twice for extra hot coffee, but honestly the coffee comes out VERY hot & tasty without double-heating. Also comes carefully packaged to prevent damage during delivery. Great value for your money!
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Reviewed in the United States on April 10, 2026
★★★★★ 4
Plastic, but Well Performing Machine
Color: A-Silver
My household has been using the Casabrewa 5418 PRO multiple times a day for over a month now.
It's function and directions are excellent. With some experimenting, it makes acceptable and delicious espresso. This is an entry model machine that does exactly what you want it to. It heats fast and produces espresso fast.
However, for the price point the amount of plastic is a bit disappointing. The machine has the appearance of being stainless steel while being constructed almost entirely of plastic.
If you want an entry level espresso machine and you don't mind the plastic, this is an excellent option.
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Reviewed in the United States on November 5, 2025
★★★★★ 5
Who cares if its plastic... let's not be silly
Color: A-Silver
Why are people so obsessed with metal housing? Metal literally serves no purpose. It's just a cover. It won't make a better coffee with metal housing nor will it last longer. I personally don't care what it "feels" like to touch it, I don't even notice it. I make coffee with it, it's a tool. I don't touch it to "feel how nice it is". That's just weird.
Anyway, what a great machine. To me instant heating is worth all the missing features of fancier machines combined.
I've had it for several months now, and I have it dialed in. I make up to 5-6 lattes a day and I've made about a 1000 by now. Still working great.
Not interested in upgrading.
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Reviewed in the United States on May 25, 2026
★★★★★ 5
Great Budget Espresso Machine That Performs Better Than Others Costing Much More
Color: A-Silver
I’ve been using the Casabrews 5418 Pro for a few months now and it’s been a solid addition to my kitchen. It looks sleek and feels well‑built for the price, and it heats up extremely fast — reaching brewing temperature in just a few seconds thanks to its FlashHeat™ system.
The 20‑bar pump and built‑in pressure gauge give you good feedback while pulling shots, and the steam wand produces nicely textured milk for lattes and cappuccinos.  The removable water tank is a nice touch and makes refilling easy.
While it’s not perfect — the included portafilter and tamper feel a budget‑oriented and the pressurized baskets don’t deliver espresso as rich as you’d get from higher‑end machines — it’s a great performer for beginners or casual espresso drinkers. Upgrade the portafilter basket and tamper but for a more premium experience especially if using it daily. That said, the included accessories are perfectly fine for a casual user.
Overall, this machine offers excellent value for the price. If you want a compact, easy‑to‑use espresso maker that consistently produces enjoyable drinks (especially milk‑based ones), this is a great choice. I am more than pleased with my purchase and you will be too. One thing that I learned and it’s the most significant piece of information I will pass along. You don’t need an espresso dark roast coffee for espresso. It’s your preferred roast, grind, and freshness that make the difference. Try your favorite roast in an espresso grind and enjoy!
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Reviewed in the United States on January 20, 2026