FILFEEL FH-77 Portable Machined Hydrogen Tester Pen for Aquariums and Laboratory Use

【Accurate Measurement】 - The FH-77 Hydrogen Tester is designed to measure the dissolved hydrogen content in hydrogen-rich with exceptional . Utilizing advanced technology, this tester provides accurate readings for applications in aquariums, swimming pools, and laboratories, ensuring that you consistently quality.

【Automatic Compensation】 - Featuring an automatic temperature compensation function, the FH-77 ensures reliable measurements across varying conditions. With specific calibration points for each measurement , the instrument delivers accurate data regardless of temperature fluctuations, making it a dependable choice for any testing .

【Portable Design】 - Lightweight and compact, this hydrogen tester is engineered for convenience. Its portable design allows for easy transportation, making it for fieldwork or on-the-go testing. Whether you’re at a laboratory or out in the field, take the FH-77 wherever you need a fast and accurate hydrogen measurement.

【 Construction】 - Made from ABS material, the FH-77 is both robust and lightweight. This ensures -lasting durability for daily use, while its easy-to-operate interface streamlines the testing process. Enjoy reliable functionality that stands up to the rigors of both research and casual use.

【User-Friendly 】 - Designed with in mind, the FH-77 Hydrogen Tester features a straightforward control layout. Easy-to-follow instructions you through measurement, while the low voltage prompt function signals when a battery replacement is needed. The result is an efficient, hassle- testing experience suitable and hobbyists alike.