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PHTK-841 Digital Pen-type pH Meter Thermometer 0.00-14.00 pH Water Quality Tester
A highly accurate pen-type pH meter that measures both pH level and temperature. It has a built-in ATC (Automatic Temperature Compensation) so pH value will be automatically adjusted in temperature between 0°C - 50°C (32°F -...
$43.70 USD
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PHTK-879 Waterproof 2in1 Dual Soil pH Level Moisture Meter Self-Powered Gardening Orchards Vineyards
Soil pH value is a very important factor for the quality of crops. Most of the crops cannot survive in too acidic or too alkaline soil. Thus, this meter is of great help...
$57.90 USD
PHTK-881 pH Powder Calibration Solution 4.01 7.00 10.01 pH set
Powder buffer solution provides long shelf life and stability and is ideal for low volume use. These buffers are accurate to within ±0.01pH units@ 25°C and remain stable over long periods of time....
$18.70 USD
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PHTK-91 Digital 0~14 pH Temperature Meter ATC Hydroponics Water Quality Aquariums Tester, Laboratory
Applications: Pools Aquariums Laboratories Aquaculture Car Washes Water Testing Wastewater treatment and many more applications Features: CE Marking Replaceable pH electrode Automatic & Manual Calibration Easy 3 points Calibration Measure Temperature & pH values...
$36.90 USD
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$61.90 USD
Power adapter of TEK-936 / COTK-57 / COTK-767 includes US, UK, EU, AU plug
Power adapter of TEK-936 / COTK-57 / COTK-767 includes US, UK, EU, AU plug
$25.90 USD
RETK-66 Automotive Refractometer, Ethylene, Propylene Glycol, Battery Fluid SG: 1.100~1.400kg/l
Battery Fluid Refractometer is primarily for testing freezing point & concentration of either ethylene or propylene glycol-based cooling systems & testing ethylene or propylene glycol-based anti-freezing liquids. Also measuring Specific gravity of battery...
$33.70 USD
RETK-67 Salinity & Brix Refractometer, Salinity 0~28%, Brix 0~32%
Brix & Salinity Refractometer offers:1) measure ferment for brandy, beer worth, sugar solutions, fruit juice or milk beverages & can also measure total dissolved solids of Soup or Water-soluble glue. 2) measure salt...
$19.90 USD
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$28.70 USD
RETK-68 Salinity Brix Refractometer Low Sugar/Salt Salinity 0~100ppt Brix 0~10% Density 1~1.070g/cm3
This optical Brix & Salinity Refractometer is designed to measure seawater (marine aquaria) or very low concentrated salt solutions & low concentration of sugar solutions as well as reading salt solution density. With...
$28.70 USD
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RETK-69 Handheld 0-32% Brix Refractometer with ATC, 0-140°Oe, 0-27KMW/Babo, Oechsle, for Brandy Beer
Model: RETK-69 This optical Brix Refractometer (brix meter)offers Triple-scale or Tri-scale: 0~32%Bxin 0.2% division (% of the sugar content in an aqueous solution - Mas Sacch) 0~140 Oe 0-25 KMW babo Designed to measure sugar...
$22.50 USD
RETK-70 Clinical Refractometer, 0~12g/100ml Serum protein, 1~1.050, 1.333 ~ 1.360 RI
This optical Clinical Refractometer is a high-performance handheld, easy-to-use, clinical refractometer that determines urine specific gravity, the protein concentration in plasma or serum, & refractive index of the subject being tested. With this...
$33.70 USD
RETK-71 Clinical Refractometer, Dog and Cat Urine SG 1~1.060SG, Serum Protein 2~14g/dl
Designed for dogs and cats. Renal failure depends on many parameters including urine S.G. When tubules (filter out toxins & metabolites from blood) are damaged water conservation is less efficient. SG measures concentrating...
$34.70 USD
RETK-72 Brix Refractometer Low Sugar, 0~10%
Brix Refractometer (brixmeter) has a scale in the range of 0~10% Bx with 0.1% reading resolution and well designed for field use. Designed to measure cutting or machining emulsions (the content of oil...
$28.70 USD