Reviews Saltwater Temperature And Salinity Tester

Extech DO700 Portable Dissolved Oxygen Meter

Measures dissolved oxygen concentration/saturation, pH, mV, conductivity, TDS, salinity, resistivity and temperature.
Automatic salinity compensation and manual barometric pressure compensation for DO measurements.
One button pH calibration (4, 7, and 10pH).
Choice of 3 point pH calibration for better accuracy.

MEASURING RANGE: 0~9999 ppm or 10.0ppt~100.0ppt or 0.0%~10.0% or 0.950~1.080 (S.G.) based on NaCl with ±%F.S ±1 digit / ±0.5°C Accuracy.
DISPLAY: Dual Temperature and Salinity in four measurement units (ppm, ppt, %, S.G) / 30 x 18mm LCD Size.
APPLICATION: Salinity measurement in fish pond, tank, aquariums, laboratories, food processing, hydroponics, Aquaculture, and other water monitoring facilities..
FEATURES: Waterproof IP65 / One touch calibration / Auto power off and Non-Sleep mode disable / Multi points calibration.
POWER SUPPLY / SENSOR : 4 x LR44 button batteries.

Resale quality - 50 percent heavier than the soft case cheap units.
Automatic temperature compensating refractometer.
Aircraft aluminum body, premium optical lens, rubber eye guard.
Dual salinity scale - 0-local stock for fast shipment 100Ppt & 1.000-1070 salinity sg.

Equipped with state-of-the-art Optical DO sensor: measures dissolved oxygen level in a RELIABLE and EFFORTLESS manner.
Minimal maintenance required. Quick and easy calibration.
Automatic compensation for salinity, temperature& air pressure.
Glp data management, 500 groups of data storage, usb data output.
Comes with a complete test kit, including the meter, 10ft optical probe and salinity probe, a calibration cap, and a rugged carrying case.

AZ86031 Handheld IP67 Combo PH/COND./SALT/TDS/D.O was being designed and manufactured by AZ Instrument, a well experienced manufacturer for Environmental Measuring Instrument..
Water Quality Meter, also been called as Water Testing Device or Water Quality Testing Device, it’s the device that measure the value of pH, Cond. (Conductivity), Salinity, TDS and D.O. (Dissolved Oxygen) in liquid, which had been widely used by Aquaculture, Aquaponics or Fish Farm..
Multiple points calibration: 3 points for pH, 1point for D.O.,4 points for conductivity..
Large LCD with multiple parameters display simultaneously..
pH, Conductivity or Salinity or TDS, Dissolved oxygen & Temperature..

...industry, no matter the fresh or sea water..
AZ 86031 Combo Water Meter- pH/Conductivity/Salt/TDS/D.O was being designed and manufactured by AZ Instrument, a well experienced manufacturer for pH EC Meter..
Large LCD to display multiple parameters simultaneously: pH, Conductivity or TDS or Salinity, Dissolved oxygen, Temperature (by using different probes).

Super Intuitive, Easy-to-Use, Full-Featured RGBM Nitrox Computer, Larger-Display in Slimmer-Design, Upgradeable Firmware & Multi-Gas Capability..
Precision Stopwatch, Special Function Modes Air, Nitrox & Bottom Time, , Durable Metal Button, Upgraded Interface, Precautionary Programs Setting, Ascent Rate Indicator and Ascent Rate Digital Indicator..
Plan Mode, Backlighting, Log Book, 3-Level Salinity, Fresh Water Setting, Sea Water Setting, Aquarium Salinity Setting, Residual Nitrogen Memory Reset, Quartz Clock Movement..
User-Replaceable CR 2450 Lithium-Ion Battery, Fully Altitude Adjustable to 12,100' (3,700m) Memory Capacity 36 Hours, Superior Display Readability, Mineral Glass Crystal..
492' (150m) Depth Rating, Power Indicators, Audible Alarms, Watch, Date and Temperature Displays, 12/24 Hour Formats, Two-Different Gas Mixtures During-Single-Dive, Metric or Imperial Units of Measure..

★ Water Quality Meter, also been called as Water Testing Device or Water Quality Testing Device, it’s the device that measure the value of pH,....
★ Conductivity, Salinity, TDS and D.O. Dissolved Oxygen in liquid, which had been widely used by Aquaculture, Aquaponics or Fish Farm..
★ Handheld IP67 Combo PH/COND./SALT/TDS/D.O was being designed and manufactured by well experienced manufacturer for Environmental Measuring....
★ Large LCD with multiple parameters display simultaneously: PH, Conductivity or Salinity or TDS, Dissolved oxygen & Temperature..
★ Multiple points calibration: 3 points for pH, 1point for D.O.,4 points for conductivity..