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7-in-1 multi-function tester: which can measure pH (acidity and alkalinity), EC (conductivity), TDS (total dissolved solids), Salinity (salt content), S.G, ORP (Oxidation-reduction potential) and temperature. Simply press the {MODE/CAL} key to switch the value of pH, EC (uS/cm), TDS (ppm), Salinity (ppm/%), S.G, ORP (mV).
3-point calibration - automatic recognition calibration solution
ATC function: Solve measurement errors due to changes in liquid temperature
Temperature units can be switched: ℃/℉.
Lock function - easy to read and record, the instrument will lock the reading results
Auto-shutdown function: Automatically turn off the power to save power.
Laboratory PH meter with backlit LCD design: The backlit digital screen has greatly enhanced the reading experience.
Memory function: The device has a memory function, when it is powered on, it will enter the last test mode before powering off.
High precision:
The use of highly sensitive glass probes has greatly improved its sensitivity.
High precision pH test function, accurately measure the acidity and alkalinity of water
Probe removable:
If the probe is damaged due to carelessness, the probe can be removed and replaced, and the replacement cost is ↓
The measurement range is wide and can measure the salinity and sea salinity of home drinking water.
TDS function allows you to know the concentration of impurities in water more clearly
Wide Usage salinity/PH meter
Water quality meters can be used to distinguish between potable and non-potable water. Water, water temperature, water quality analysis,
salinity tester for saltwater aquarium,soil ph meteraquarium, drinking water, tetra breeding, medaka breeding, tropical fish breeding, well water, distilled water, hydroponics, liquid, aquarium,
water quality testing kit, fisheries industry, drinking water, lemon water, alkaline water,
minerals It has a wide range of applications in water, water quality testing,
water purification, aquaculture, hydroponics, laboratory work, pools and water therapy centers, water treatment and other fields.
・LCD digital ph tester
display LCD backlight function The bright backlight LCD display of the PH tester is easy to use day and night, accurate measurement, and easy to read measured values. It's easy to understand and very easy to use.
・Waterproof and dustproof function, prevent dust from entering, soak for a short time, more close to the actual usage and storage situation. (Can be used even if it falls into the aquarium)
please note:
*The glass bulb at the tip of the PH meter is easily broken, so be careful when using it or drying it.
*If the screen brightness becomes dark or blurry, or if the error is large, replace the battery. Simply rotate the battery cover and replace the new battery.
Carlos Ocampo
Reviewed in the United States on March 9, 2025
This pH meter is okay for basic use but not very reliable. The readings fluctuate a lot, even after calibration, making it hard to trust the accuracy. The build quality feels cheap, and the screen is difficult to read in certain lighting. It works, but only if you don’t need precise measurements. Spend a little more for something more dependable.
dawn
Reviewed in the United States on September 6, 2024
Tester looks like it has been used. NO USER MANUAL OR ANY TYPE OF INSTRUTIONS.
Lawaine Mantle
Reviewed in the United States on September 22, 2024
Awesome tool to have
Mark rodriguez
Reviewed in the United States on July 20, 2024
The 7-in-1 PH Meter by Gomass is a versatile and reliable tool for anyone needing precise measurements of water quality. It excels in testing pH, TDS, EC, salinity, temperature, ORP, making it ideal for a range of applications from hydroponics to aquariums. The digital display is clear and easy to read, while the calibration process is straightforward. Accuracy is impressive, with measurements consistently aligning with expectations. However, the build quality feels somewhat delicate, and the included instructions could be more detailed. Overall, it’s a valuable instrument for those who require detailed water analysis.
Samuel Steward
Reviewed in the United States on July 10, 2024
I understand that the accuracy is going to vary at this price point but all of the features it claims to have makes me wonder which one is the lagger. Tested several liquids using the ppm and it only changed slightly. Going to try to recalibrate again but so far its performance is questionable.
Eric4539
Reviewed in the United States on June 2, 2024
I like that this pH meter is easy to use. It seems accurate and readings are quick. I wish the screen was slightly larger just for ease of reading. If you need a simple meter that gives quick readings, give this particular unit a try.
Derek
Reviewed in the United States on June 16, 2024
This is a good price point for a ph meter and it’s accurate.
Mcbzgd
Reviewed in the United States on October 5, 2024
I got this mainly to measure pH but the other functionality is nice. I am a big believer in calibration and I can calibrate pH and EC with standards so that's what I did. Calibration was easy and readings were stable after calibration so I assume it's fairly reliable. I'm not sure about the other readings because I did not have calibration standards, but I did have some test strips to compare with and this meter was reading similar values to the test strips. I wouldn't use this to gather data for a peer-reviewed journal article, but I think this is a great tool for routinely measuring your water quality especially if you are trying to preserve plumbing or testing a water filtration system.
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