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Your cart is empty.Feature: 1. High Quality Materials: Made of high quality ABS material, the hydrogen measuring pen is sturdy, durable and not easily damaged. 2. Detachable Probe Design: With a detachable probe design, the hydrogen measuring pen is easy to use and simple to operate. 3. High Sensitivity: Adopting sophisticated production technology, the hydrogen measuring pen probe has high sensitivity and excellent performance. 4. Backlit LCD Design: The hydrogen test pen adopts a backlit LCD design, which can read clearly in any dark environment. 5. Scope of Application: Suitable for swimming pool experiments, hydroponic food, aquariums, gardening, laboratories, water purification drinking water, pond, etc. Specification: Item Type: Hydrogen Test Pen Material: ABS H2 Range: 0 to 2400ppb, 0 to 2.400ppm Resolution: 2ppb, 0.002ppm Accuracy: ±10ppb, ±0.01ppm Temperature Range: 0.1 to 60.0℃, 32.0 to 140℉ Resolution: 0.1℃/0.1℉ Accuracy: ±0.5 Working Environment: 0 to 60℃ (32.0 to 140℉), RH 90% Waterproof: IP67 Battery: 3 x 1.5V Button Battery (LR44) (Battery Not Included) Product Size: Approx. 183 x 37mm / 7.2 x 1.5in Display: LCD Digital Display with Backlit Temperature: Automatic Temperature Compensation 0 to 60℃ Data Retention: Value Retention Automatic Shutdown: 5 Minutes H2 Calibration Point: 224±, an Error of ±20ppb is Normal Application: Suitable for Swimming Pool Experiments, Hydroponic Foods, Aquariums, Gardening, Laboratories, Water Purification Drinking Water, Pond, Etc. Weight: Approx. 139g / 4.9oz Package List: 1 x Hydrogen Test Pen (Battery Not Included)1 x User Manual
LisaH
Reviewed in the United States on March 2, 2024
This device does not come with the necessary batteries and does not advise they are required. And the product does not work even after a drive to the store to purchase needed batteries- returning this for sure
Westminsterfire
Reviewed in the United States on February 6, 2024
This item was sent without a battery and neither the instrument nor the instruction sheet (front and back) shows what battery it takes. Not worth the time or money.
virtualvitman
Reviewed in the United States on January 26, 2024
Two for two, both dead on arrival , plus had to order batteries for them. Unit would not come on , but the batteries got hot. So wasted money and time on batteries When I said two , one was a repacement
walter krupa
Reviewed in the United States on July 10, 2023
It don't have any batteries and also no info on what battery should be installed in it
Sherry85831
Reviewed in the United States on June 24, 2023
Easy to use, accurate & consistent.
Ernest
Reviewed in the United States on June 23, 2023
The temperature worked but nothing else dod.
Tim
Reviewed in the United States on March 17, 2023
Have an H2O drinking device. The meter should tell me ppm of hydrogen in the drinking water. I just got batteries for the meter
C. C. Madsen
Reviewed in the United States on April 19, 2023
I cannot attest to the accuracy. I must rely on the manufacturer's claims at this point. It does however detect extremely small amounts of hydrogen and the temperature scale is correct when compared to my other thermometers.
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