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Digital Combo pH & Temperature Meter, Aquarium Thermometer pH Monitor with Automatic Calibration Function for Fish Tank Hydroponics Aquaculture Laboratory
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Return this item for free
Free returns are available for the shipping address you chose. You can return the item for any reason in new and unused condition: no shipping charges
Learn more about free returns.- Go to your orders and start the return
- Select the return method
- Ship it!
Purchase options and add-ons
Brand | Gain Express |
Unit Count | 1 count |
Material | Nylon |
About this item
- 🌊 Accurately monitor pH and temperature of your fish tank or any type of water with this ph monitor device. PH Measurement Range: 0.0~14.0pH, Accuracy: ±0.1, Resolution: 0.01.
- 🌊 This PH meter with a permanent temperature probe and a replaceable pH probe for cost-effective maintenance. Up to 3 Points PH calibration (pH 7.0 / pH 4.01 / pH 10.01). It has advance one touch calibration function with automatic buffer recognition to avoid errors.
- 🌊 Equipped with Automatic Temperature Compensation (ATC) for precise pH measurements regardless of temperature changes.
- 🌊 Compact size with a large LCD display and smart backlight design for easy reading. pH and Temperature display and the unit operates power saving mode.
- 🌊 Comes with pH calibration function, low battery indicator, and switchable °C/°F temperature unit for convenience and accuracy.
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Product details
- Package Dimensions : 7.01 x 5.83 x 2.32 inches; 14.11 ounces
- Item model number : PHM-295
- Batteries : 4 AA batteries required.
- Date First Available : January 4, 2021
- Manufacturer : Gain Express Holdings Ltd
- ASIN : B08RYJ48X8
- Best Sellers Rank: #109,208 in Industrial & Scientific (See Top 100 in Industrial & Scientific)
- #171 in Lab pH Meters
- Customer Reviews:
From the brand
Gain Express Holdings Ltd.
We are a high-tech enterprise offering independent development, design, production, and sales of top-quality instrumentation globally
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Gain Express is a manufacturing and trading company that researches and produces high-tech & high-quality products, and offers a wide range of electronic products & testing instruments.
Gain Express has years of trading experience (B2B & B2C) with many customers from North America, South America, Asia, Australia/Oceania, Europe, Africa, the Middle East and so on.
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Product Description
This new device is designed to accurately monitor the pH and Temperature of your fish tank. It comes with a temperature probe and a pH probe. The temperature probe is permanently fitted to the Meter, whereas the pH probe is replaceable. No need to change the whole water quality monitor even after a long period of usage. Simply replacing the pH electrode thus saves your cost.
It is equipped with Automatic Temperature Compensation (ATC), so temperature change can't affect on pH level measurement. You can use this tool to monitor the pH and Temperature of any type of water may it be in your aquarium, swimming pool, spa, laboratories, hospitals, hydroponics for laboratory, agricultural, industrial, and also field water analysis procedure.
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Specifications
- pH Measurement
- Range: 0.0~14.0pH
- Accuracy: ±0.1
- Resolution: 0.01
- Temperature Measurement
- Range: -5.0~60.0°C (23~140°F)
- Accuracy: ±0.5°C
- Resolution: 0.1
- Dimension: 90 x 63 x 31mm
- Battery: 4 x AA Alkaline Battery
Instructions for use of pH calibration powder:
- Empty each pack of powder in 250ml distilled water and gently stir for 30secs. until all the powder is all dissolved.Power on the meter.
- Place electrodes into a pH 7.0 (pH 4.01 or pH 10.01) buffer solution.
- Long press button for more than 1 second to enter pH calibration mode. The icon “CAL” will appear on the LCD and then pH value 7.0 (4.01, or 10.01) will be displayed on the LCD.
- When reading becomes stable and if the display value is not 7.0 (4.01 or 10.01), press or to adjust the reading till it matches 7.0 (4.01 or 10.01). The adjustable ranges are 3.50 to 4.50, 6.50 to 7.50 9.50 to 10.50
- Reading becomes stable and there is no operation, meter will save the calibration data in 15 secs automatically and exit the calibration mode. “SA” will appears on the screen to followed by “End” to indicate the calibration process is done.
- Rinse the probe with distilled water before next calibration point. Repeat to the three solutions.
What's in the box
Videos
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0:15
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Customer Review: Perfect for hydroponic grow
Joseph P.
Videos for this product
2:51
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PHM-295 Digital Combo pH & Temperature Meter
Gain Express
Videos for this product
0:33
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Customer Review: PH Fluctuation and not Stable
Big Mick
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Customer reviews
Customer Reviews, including Product Star Ratings help customers to learn more about the product and decide whether it is the right product for them.
To calculate the overall star rating and percentage breakdown by star, we don’t use a simple average. Instead, our system considers things like how recent a review is and if the reviewer bought the item on Amazon. It also analyzed reviews to verify trustworthiness.
Learn more how customers reviews work on AmazonCustomers say
Customers like the quality and value of the chemical test strip. For example, they mention it works great, the temperature readout works fine, and it's easy to calibrate. That said, some complain about the performance and accuracy. That being said, opinions are mixed.
AI-generated from the text of customer reviews
Customers are satisfied with the quality of the chemical test strip. They mention that it works great, has accurate readings, and is easy to calibrate. Some say that it's a great tool for monitoring ph and temperature. Overall, most are happy with their purchase and recommend it to others.
"I’m using this in a hydroponic setup. It works great. One difficult thing is measuring out the calibration solutions...." Read more
"Checks both temp and ph of my plant water. Great tool for monitoring ph and also checking temp." Read more
"...The pH meter works fine but i gave up on using the probe that came with it...." Read more
"So far so good, works as it should. Nice packaging and came with batteries." Read more
Customers appreciate the value of the chemical test strip. They say it's decent for the cost and surprisingly accurate.
"...Overall, it’s a really nice pH probe at a reasonable cost." Read more
"...This one costs less and has less wires because its battery powered and has a back light, the other ones I had don't so I really like this PH..." Read more
"Great for the money..." Read more
"Decent for the cost and stays surprisingly accurate..." Read more
Customers are mixed about the accuracy of the chemical test strip. Some mention that it's pretty accurate right out of the box, and the unit calibrates easily enough. However, others say that it wasn't the most accurate, and stopped giving accurate readings after a couple of months.
"...Important: you never want to store the pH probe dry. It will become Un-calibrated and lose proper function if done repeatedly...." Read more
"...So, pretty accurate right out the box...." Read more
"...days the temperature stopped reading on the monitor and the calibration went out of wack for no reason...." Read more
"This device is easy to calibrate and mounts to a fish tank or wall adjacent to the fish tank nicely...." Read more
Customers are dissatisfied with the performance of the chemical test strip. They say it's unreliable for their intended use, and it stopped working within two weeks of purchase. They also mention that it loses proper function if done repeatedly. Customers also say that it'll die after about 2 years of constant use and is not worth the money.
"...It will become Un-calibrated and lose proper function if done repeatedly.Overall, it’s a really nice pH probe at a reasonable cost." Read more
"...Adding to this that it has died after about 2 years of constant use. Attempting to get a replacement pH probe." Read more
"Have ordered 2 of these and they BOTH FAILED after a couple months. Readings are not even close nor consistent...." Read more
"...What an absolute waste of money." Read more
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Top reviews
Top reviews from the United States
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The unit performs very well. Initial calibration is important to get accurate pH readings. But once you set it up, you don’t need to recalibrate often. The only time I needed to recalibrate was when I forgot to store the probe in the solution. Important: you never want to store the pH probe dry. It will become Un-calibrated and lose proper function if done repeatedly.
Overall, it’s a really nice pH probe at a reasonable cost.
Word to the wise--clean it in purified or distilled water every couple weeks (submerge probe and swish it around). Save the tiny water bottle the probe comes in as well. Whenever you flush and refill your tank, wash the probe then use some fresh, pure water to fill the probe cover bottle 2/3rds full. Then wet the grommet of the probe cover ca0, slide the cap up the probe, submerge the probe in the water-filled bottle all the way, screw on the bottle to the cap. No pH meter likes air. This system completely removes that variable do I find the 3 cent cover it comes with to be a really good added benefit. Adding to this that it has died after about 2 years of constant use. Attempting to get a replacement pH probe.
For $40 I'm actually surprised it worked this long but I can't give it 5 stars for that performance either.
Top reviews from other countries
Reviewed in Germany on February 19, 2024
後は耐久性がどのくらいか?です。
まだ使い始めて2ヶ月なのでこれからです。