RCYAGO Portable Dissolved Oxygen and Temperature Meter, DO Range: 0-40.00 mg/L, 0.1 mg//L Resolution, Digital Dissolved Oxygen Meter with Electrode Filling Fluid (No Backlight)
...and the calibration is still inaccurate, and the membrane sleeve needs to be replaced..
Adopts the digital screen display, which is more clear and convenient to read data. Auto power-off in 8 minutes if not using it. Low battery indication. Oxygen solubility will be affected by temperature, atmospheric pressure, and salinity. Our instrument with temperature compensation can meet normal use..
It is very suitable for measuring the dissolved oxygen level and temperature in a wide range of aquariums, swimming pools, ponds, freshwater aquaculture, marine aquaculture, school teaching experiments, laboratory sterile environment, aquaculture, scientific research, and other fields..
Salt Chlorine Generator Briidea Chlorine Generator for Hot Tubs & Swim Spas Up to 2000 Gallons Chemical-Free
CONVERT ANY HOT TUB TO A SALTWATER SYSTEM: This salt-based spa system convert the natural salt into pure chlorine work by electrolysis, then recycles the chlorine back to the salt, making it safer and more reliable than traditional chemical chlorine. The concentration of salt required is small, less salinity than tears.
LED INDICATOR: Built-in timer/controller with LED indicators. It can run daily accroding to the time you set, no need to wait or setting frequently. The interior adopts unique detection method of salt concentration, and the LED indicator clearly indicates the level of salt, keep the salt in a normal operating range.
LONG SERVICE LIFE: The titanium cell is the most reliable power system available. Our titanium cell will automatically switch polarity every 5 hours, prolong the service life, do not replace frequently, save your cost. Warm tips: you need to test chlorine weekly, adjust timer accordingly for great results, 1-year warranty.
SAVE MONEY: Use our chlorine generator, you can save a lot of money in chemicals, save your time on not having to buy and store chlorine, make your tubs maintenance easier and more economical.
EASY INSTALLATION: No plumbing required, plug in the controller above ground and out of water, while immersing ....
DANOPLUS Smart Water Quality Tester, 24 hrs Wireless App Monitoring of pH EC TDS Salinity SG Temperature, Mountable with Alarm Function for Aquariums & Hydroponics
✔ ACCURATE & COMPREHENSIVE READING - This multifunctional device tests the 6 most important measures of water quality: pH, Total Dissolved Solids (TDS), Electrical Conductivity (EC), Salinity, Specific Gravity (SG) and Temperature..
✔ SMART 24 HRS REMOTE MONITORING – Equipped with Mobile Online App monitoring, this provides user a smart and easy way to view real time data. Using any smartphone (android or iOS), users can backtrack the data curve of each parameter up to the past 30 days. Perfect tool for trend comparison and analysis.
✔ INTELLIGIBLE & MINIMALISTIC DESIGN – Its straightforward display makes it easier to read and monitor. Designed with a simple layout and color combination, this water quality monitor doesn’t distract the attention from the aesthetic of your fish tanks or aquariums..
✔ USEFUL FEATURES - This meter has a unique feature where you can set a security range for each parameter via the mobile app. This feature allows you to receive notifications whenever the readings go beyond the lowest and highest limit that you set. Its sturdy carrying case is perfect for field work, and ....