Test, Measure & Inspect By Sper Scientific

• ACCURATE TESTING: Measures dissolved oxygen (0?20 mg/L) and oxygen percentage in air (0?100%) with high precision. Ideal for environmental testing, labs, aquariums, fish hatcheries, and wastewater management.
• WATERPROOF: Built to withstand tough conditions with IP65-rated waterproofing, ensuring reliability in wet environments like aquariums or fieldwork.
• ADVANCED FEATURES: Polarographic probe with a built-in temperature sensor offers automatic temperature compensation (32?122?F / 0?50 degree C) for consistent accuracy in every reading.
• EASY TO USE: Compact and portable with one-hand use, it features a clear display for simultaneous dissolved oxygen and temperature readings, plus data hold, max, and min memory recall.
• COMPLETE SET: Comes complete with 2 spare probe heads, electrolyte solution, 4 AAA batteries, and a soft carrying case with a belt loo - perfect for professionals on the go.

• Handheld environmental quality meter
• For environmental testing anywhere
• Combines a light meter, humidity meter, thermometer and anemometer into a single compact unit
• Features dual display with low battery and over range indications, touch-tone buttons, max-min, auto power off and hold functions
• Ready to use with soft carrying case, wrist strap, instructions and a 9V battery

• Fast, stable and accurate response
• Package Dimensions: 7.62 H x 27.432 L x 14.732 W (centimetres)
• Package Weight: 0.612 kilograms
• Country of Origin : United States

• Automatic temperature compensation
• Easy to replace pop-off probe heads
• Simultaneous display of dissolved oxygen and temperature (Degree C and Degree F)
• Simple one-hand operation
• Automatically calibrates to air

• Handheld environmental quality meter
• For environmental testing anywhere
• Combines a light meter, humidity meter, thermometer and anemometer into a single compact unit
• Features dual display with low battery and over range indications, touch-tone buttons, max-min, auto power off and hold functions
• Ready to use with soft carrying case, wrist strap, instructions and a 9V battery

• For Use with Sper Scientific Pressure Meter 840065
• Max Range: 2 Bar, 29 PSI, 2.04 kg/cm2, 1500 mm Hg
• 20.4 Meter H2O, 802 In H2O, 1.974 Atmospheres
• Resolution: .002 Bar, .02 PSI, .002 kg cm2, 2 mm Hg
• .05 In Hg, .02 Meter H2O, 1 In H2O, .002 Atmosphere