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💧 Dive into Precision with the COM-300!
The HM Digital COM-300 is a state-of-the-art waterproof combo meter designed for professionals in hydroponics, water gardens, and ponds. With a temperature range of up to 132°F and an accuracy of ±2%, this meter ensures reliable readings for optimal water quality management.
| Upper Temperature Range | 1.3E+2 Degrees Fahrenheit |
| Temperature Accuracy | +/- 2% |
| Voltage | 1.5 Volts |
| Mounting Type | Tabletop |
S**.
NO BACKLIT SCREEN
This product is perfect and deserved of a 5 star review except one small oversight. There is no reason for an instrument of this caliber to not have a backlit screen. I'm not sure how I over looked this detail. Excels at everything as advertised. Worth the money and I will be keeping it until I find a suitable backlit replacement. Dang.
X**N
Super nice Meter w/critique
This product works as advertised and excels at it's job with one exception which is if you need to replace the sensor you can only buy it directly from the manufacturer because no one else sells it and in fact HM Digital doesn't even sell the replacement sensor at their own Amazon store.
D**.
Beginners to expert
Quick response & accuracy
B**B
Junk
It has stopped working about three months after purchase. It always had problems where it would freeze and I would have to remove the batteries and reinstall them. No support response from the company.
B**D
Good Meter with multiple modes
This would be my second COM-300. This one came in defective, it would not take the calibration. It was throwing up errors. I have requested a replacement and expect it to be fine. I have used the first one for about 2 years and it works well.
T**T
Awesome
Awesome
A**R
Yes
Super
D**H
Good meter. Hard to read, though.
I like this meter as it's easy to use and has the functions I need in one meter. The one drawback is that there is no backlight to the screen, so if you're not in optimal lighting, it is hard to read. If it had a backlight it would be 5 start perfect.
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