Reviews Handheld Oxygen Gas Tester

Pool and Spa Water Test Kit 13 in 1 - Professional Pool and Spa Water Testing for Home Easy to Use, Bluetooth, App, Support -Works with Solid or Liquid reagents

... and pools. It has 6 quick access buttons for personal measuring methods..
MULTI-FUNCTIONAL: With our 13 in 1 water tester, you can test up to 13 water parameters such as pH value Chlorine(free/combined/total), Alkalinity (Acid Capacity), Cyanuric Acid (Stabilizer), Active Oxygen (MPS), Bromine, Chlorine Dioxide, Ozone, Hydrogen Peroxide LR, Hydrogen Peroxide HR, Total Hardness, Calcium Hardness, Urea. You only need our water tester to test the 13 water parameters..
FREE SOFTWARE: Our electronic water tester comes with free software that you can use in your PC and MAC. You can also use the free app for iOS and Android. You also get a free cloud service to help you synchronize data between your smartphone and computer. The cloud service also helps you store the data and make it easily accessible when you need it..
POWER EFFICIENT: The electronic photometer doesn’t need a lot of battery power to work. It comes with 3 x AAA batteries that can run the water tester for a long time before replacing them. Our water tester is just what you need in your home or even in your pool business..

［✔Wide Use］Ideal for home or laboratory use, drinking water, swimming pools, aquarium, fish tank, RO system or hydroponics..
［✔High accuracy］pH meter has a sensitive electrode sensor, simply press "ON", It only takes a few seconds for your result to appear on....
［✔Automatic Temperature Compensation］The pH tester has ATC function, so it can be adjusted according to water temperature to give pH readings....
［✔Easy to Calibrate］Use "Calibration Buffer Powder" to calibrate the tester with one button. pH tester bright backlit LCD display, you can still....
［✔User Friendly］Comes with protective case, lightweight, handheld design for portability and convenience. What You Get: 1x PH meter, 1x user....

[Self-testing Bad Breath Dating Artifact]The Odor breath tester is specially designed to check people's breath quality. It adopts semiconductor gas....
[LCD Cartoon Indication]Odor breath tester with Digital LCD and cartoon indication with background light. It will show the final testing result in....
[EASY TO USE]Just insert 2 included AAA batteries, power on your Odor breath tester and wait for 9 seconds for warm-up, then blow into the tester for....
[PORTABLE]The Bad breath detector is small and lightweight. It weights 0.2Kg and size 84.5 x 40 x 18.5(mm). Easily fits in your bags and pockets,....
[Smart Energy Saving]The Bad Breath tester will automatically shut off to save power after finishing the test for 5 seconds and powered by 2AAA....

Compact oxygen reduction potential (ORP)/mV and temperature tester used in industrial applications.
Dual-level LCD display screen simultaneously shows the current measurement and the current temperature.
Replaceable electrode cartridge with an extendable cloth junction to extend meter life.
Waterproof, dustproof housing allows the tester to float.

Heavy Duty Cutting Torch, Oxygen/Acetylene Cutting Welding Torch Stainless Steel Gas Welding Burning Torch for Industrial Workshops, Metal Cutting and Welding.
Great for Different Gas: suitable for Oxygen-acetylene, propane, butane, natural gas and liquefied petroleum gas. Before the torch is ignited, the air-tightness of the air valves at the connection should be checked. the newly used cutting torch, the shooting and suction capacity should also be checked..
Cutting and Welding: Cutting range: 3-150mm / 0.12-5.90 inches, welding range: 9mm / 0.35 inches. Thread 7/8-20 at the nozzle, thread 9/16-18 at the gas port. Please see photo for more details..
No Gas Leakage: Conical step leakage proof interface is stable and firm, possesses good sealing, no falling off, no air leakage, durable and safe to use. When the cutting torch is ignited, the acetylene valve should be opened first, and then the oxygen valve should be opened, and the mouth should not point to people or animals..
Multi-purpose: Widely used in workshops, metal cutting and welding, mechanical maintenance, and more. If you have any questions or concerns, please be sure to send us a message, thank you!.

【High Performance】This mini torch can work with propane, acetylene, hydrogen, propylene, natural gas etc to finish jewelry repair work.Two connectors mix the oxygen and acetylene ( gas), to get high performance welding flame. The green one connect with oxygen and red connect gas (Acetylene/Butane/Propane).
【Multiple Tips】Equipped with 5pcs replacement tips to meet different application accordingly . The 5pcs tips are 1/8, 3/8, 5/8, 3/4, 7/8(mm)..
【Micro Torch】Micro oxygen torch with 2M long trachea to realize various requirements of cutting ,welding/soldering work,easy to use. Dual connectors , mix oxygen with propane/ acetylene/ butane to get strong welding torch..
【Temperature】Max. Temperature can reach 1700°C (3092°F). with this temperature,can easily melt/cut metals iron, gold, silver and copper..
【Widely Application】Suitable for welding kinds of precision product, such as goldsilverK goldplatinumpalladium pperlead tin alloy and some other crafts.such as welding, jewelry repair and construction, crafts, metal sculpture, glass blowing, and electronics repai....

Used to measure single-phase non-pulsating gas flow.
Mainly used to detect oxygen flow, and control the flow of oxygen.
It can be used in industrial situations, oxygen bar and hospitals need to calculate the gas flow.

CORDLESS POWER: The Bosch GAS18V-02N Vacuum Cleaner features an innovative cordless design and provides easier, long-running cleanup with two-stage rotational airflow technology and the durable Bosch 18V Lithium-Ion power platform..
EFFICIENT: With two-stage rotational airflow technology, the GAS18V-02N delivers long-lasting powerful suction, keeping the vacuum filter clog-free longer. The micro filter system filters fine dust, allowing the handheld vacuum to work in tough conditions..
POWER: Featuring a powerful cordless 18V motor, the Bosch GAS18V-02N produces up to 21.2 CFM of airflow for effective, efficient cleaning..
RUNTIME: The GAS18V-02N handheld vacuum up to seven minutes of runtime per battery amp hour (Ah) and up to 42 minutes with a 6.0 Ah battery..
VERSATILITY: With five vacuum attachments, the GAS18V-02N includes extension tubes for cleaning floors and a crevice attachment for heard-to-reach corners. The handheld vacuum is compatible with all Bosch 18V batteries..