4 in 1 Water Tester Monitor H2 PH ORP TEMP Meter Reactive Oxygen Hydrogen Analyzer ATC 0-2400PPb for Aquariums Pools Spa
$18.99 $20.99Price range: $18.99 through $20.99
Please note there are three models to choose from: 4 in 1, 3 in1, and 2 in1(Optional)
4 in 1 Water Tester Monitor H2 PH ORP TEMP Meter Reactive Oxygen Hydrogen Analyzer ATC 0-2400PPb for Aquariums Pools Spa
High-precision multi-function water quality tester, with the functions of measuring water PH value, ORP, hydrogen ion concentration, temperature and other functions. Automatic temperature compensation (0-60℃) measurement data update. It is easy to use, easy to carry, and it is good for the body to drink more water rich in hydrogen ions.
【4 in 1 Specifications】：
1.PH
Range: 0.01-14.00pH
Resolution: 0.01pH
Accuracy: ±0.05pH
2.ORP
Range: ±999mV
Resolution: 1mV
Accuracy: ±2mV
3.H2
Range: 0-2400ppb; 0.001-2.400
Resolution: 2ppb; 2ppm
Accuracy: ±10ppb; ±10ppm
4. Temperature
Range: 0.1-60.0°C 32.0-140°F
Resolution: 1℃/°F
Accuracy: ±0.5
Product Details:
1. Display: LCD digital display
2. Backlight: optional backlight
3. Temperature: automatic temperature compensation 0-60℃
4. Working environment: 0-60℃ (32.0-140°F); RH 100%
5. Waterproof: Ip67
6. Automatic shutdown: 5 minutes
7. Data retention: value retention
8. Battery: 3*1.5V (LR44) (not including battery)
9. Screen size: 33 * 24mm
10. Size: 183"37*37mm(7.2*1.5*1.5in)
11. Weight: 90g
3 in 1 ORP H2 Temperature Tester
Description
a. Hydrogen Water is Rich hydrogen water,Aqua means hydrogen.
b. Common sense tells us that
hydrogen is insoluble in water.In fact, hydrogen is not insoluble in water, it's just extremely insoluble.
c . If you do it in molarity,The concentration of 101.325kPa pure hydrogen dissolved in water at 20℃ was 0.92mmoI/L
d . With the invention and application of nanometer gas-liquid mixing technology in , the scientific problem of hydrogen insoluble in water has been solved, and the hydrogen molecule is evenly coated in water by physical method to promote the stable combination of hydrogen and water.It has the characteristics of high hydrogen concentration and good stability.
Specifications
ORP
Range: ±999mV
Resolution: 1mV
Accuracy: ±2mV
H2
Range: 0-2400ppb; 0.001-2.400
Resolution: 2ppb; 2ppm
Accuracy: ±10ppb; ±10ppm
Temperature
Range: 0.1-60.0°C 32.0-140°F
Resolution: 1℃/°F
Accuracy: ±0.5
2 in 1 H2 TEMP Meter
Specifications:
H2
Range: 0-2400ppb; 0.001-2.400
Resolution: 2ppb; 2ppm
Accuracy: ±10ppb; ±10ppm
Temperature
Range: 0.1-60.0°C 32.0-140°F
Resolution: 1℃/°F
Accuracy: ±0.5
| Weight | 0.139 lbs |
|---|---|
| Dimensions | 21 × 8 × 5 in |
| Brand Name | JUANJUAN |
| Battery Included | No |
| Origin | |
| High-concerned chemical | None |
| Is Smart Device | No |
| Display Type | DIGITAL |
| With Backlight Or Not | Yes |
| Model Number | YY-400 |
| Certification | CE |
| Choice | yes |
16 reviews for 4 in 1 Water Tester Monitor H2 PH ORP TEMP Meter Reactive Oxygen Hydrogen Analyzer ATC 0-2400PPb for Aquariums Pools Spa
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K***t –
Short delivery time, fast delivery time, product compliance with the description
Color: 4 in 1
J***r –
Thank you for the quick and courteous response
Color: 4 in 1
m***a –
It arrived well packaged, I just felt like the battery was missing. I will buy more from the seller again. Very precise pen, thank you seller.
Color: 4 in 1
Anonymous –
I received it after the business trip.
Sorry for the delayed response.
Great features, I am satisfied, but…
Due to the poor handling during delivery, the individual packaging cardboard containers were crushed (I believe there is no problem with functionality).
Please ensure that each cardboard container is packaged securely to prevent crushing. Thank you.
Please continue to support us in the future. 🤗
Color: 4 in 1
A***a –
Its what i wanted just the orp meter work perfectly fine thank you shipping also very quick
Color: 4 in 1
F***r –
without batteries I have not been able to test
Color: 4 in 1
P***k –
Works very well. Fast delivery.
Color: 4 in 1
M***y –
It doesn’t come with batteries, I can’t give an opinion on that without using it.
Color: 4 in 1
R***s –
Color: 4 in 1
A***k –
Color: 3 in 1
L***e –
Excellent! Thank you to the seller for the very fast delivery! All the best!!!
Color: 4 in 1
Anonymous –
Everything is very good.
Color: 4 in 1
Anonymous –
Sending on time and fast delivery. Ordered on 22/11 and delivered on 28/11/2025.
Color: 4 in 1
Anonymous –
Working!
Color: 4 in 1
Anonymous –
Used it with water so far alright. When i use it in formulation i’ll edit the review.
Color: 4 in 1
Anonymous –
It works! I bought it with an H2 water device so I know how often I need to press to reach at least 2400 units of H2. I would buy it again and recommend it to others. A bit expensive, unfortunately.
Color: 4 in 1