Category: Industrial and Scientific

Smart pH Controller with Dosing Pump – Dual Relay Output

Smart pH Controller with Dosing Pump – Dual Relay Output, LCD Display, Temp Compensation, Auto Data Logging, for Hydroponics, Aquariums, Indoor Grow PRECISE pH CONTROL: Our Smart pH Controller ensures accurate pH measurement and management in hydroponic systems, aquariums, and indoor plant grows. Designed for stability and efficiency with plug-and-play setup. Dimensions: 7.7 x 4.7 x 1.7 inches. ADVANCED TEMPERATURE COMPENSATION: Equipped with a high-precision pH sensor featuring temperature compensation and switchable °C/°F units. Eliminates pH fluctuations and ensures consistent water chemistry for optimal plant health and aquatic environments. REAL-TIME DATA MONITORING: Features an LCD screen for comprehensive Max/Min/Avg readings...

WiFi pH/EC/Temperature Monitor for Hydroponics, Dual Plugs

WiFi pH/EC/Temperature Monitor for Hydroponics, Dual Plugs System pH EC Controller with ATC & Calibration for Aquarium Fish Pond Drinking Water, 24/7 Online App Track and Control, Data Export 【Real-Time Remote Monitoring】 24/7 online continuously and simultaneously to track pH, EC and water temperature on smartphone "Tuya" app via Wi-Fi connection from anywhere. No more manual checks – your hydroponic data is always at your fingertips 【Dual-Plug Control and Auto Adjustment】Comes with dual relay outputs to automatically dose pH Up/Down and nutrient solutions. Maintains perfect balance without constant intervention 【Smart Alerts】This smart water quality tester can set custom MIN and...

Bonvoisin PH Meter for Water Real-time PH, Temperature

Bonvoisin PH Meter for Water Real-time PH, Temperature, Voltage Measurements in Water with Calibration, Digital PH Tester for Hydroponic Systems, Plant Grow, Pool Large Range&High Precision: This lab ph meter has a wide measurement range PH(0.00-14.00), Temperature(0-60℃/32-140℉) and Voltage(-500mV～500mV), a high PH resolution of 0.01, a measurement error range ± 0.05. Multifunctional: The digital ph tester has functions such as backlight, data storage, data output, calibration, automatic shutdown, and factory reset. LCD Display: The device is equipped with a high-definition color screen display and adjustable backlight brightness. Compact and comfortable in size, easy to carry and operate. Data Output: The...

$Brix Refractometer with ATC – 0–55% Range$

Brix Refractometer with ATC – 0–55% Range, Portable

Brix Refractometer with ATC – 0–55% Range, Portable Sugar Tester for Durian, Syrups, Fruits, Juice, Home Brewing & Field Testing Quick Calibration & Accurate Readings: Achieve accurate measurements in just 2 seconds with minimal sample (0.2 ml). Calibration is simplified with just a few drops of pure water and a press of the "Zero" button. User-Friendly & Rechargeable: Large HD LCD display ensures clear readings, ideal for users with glasses or visual impairments. Rechargeable lithium battery provides up to 10 hours of continuous use and 30 days of standby time. Precision Measurement with ATC: Equipped with automatic temperature compensation (5-45ºC/41-113ºF),...

WXG-4 Visual Disc Polarimeter

WXG-4 Visual Disc Polarimeter Measurement Range: Typically ±180° optical rotation. Accuracy: High precision for laboratory use. Usage: Commonly used for determining sugar content in food and beverages, as well as analyzing pharmaceuticals and chemicals. Operation: Uses a manual visual alignment method with a polarized light source. › Check Offer Price The WXG-4 Visual Disc Polarimeter is a device used to measure the optical rotation of substances, often applied in the food, pharmaceutical, and chemical industries. It helps determine the specific rotation of optically active substances, such as sugars, essential oils, and other chiral compounds.WXG-4 polarimeter is installed with a 589nm...

$Refractive Index 1.30-1.81 / Accuracy: 0.01$

Portable Jewelry Refractometer – Gemstone Tester for All

Portable Jewelry Refractometer – Gemstone Tester for All Stones, Refractive Index 1.30-1.81 / Accuracy: 0.01, Lab Refractometers ★ Working Principle: The Working Principle Of The Gemstone Tester Is To Measure The Refractive Index Of The Gemstone, The Refractive Index Is A Very Important Optical Parameter, According To This Parameter Can Determine The Characteristics Of The Gem. ★ Core Advantages: Jewelry Refractometer Has This Refractometer Features High Accuracy, Based On The Refractive Index, It Can Be Determined Whether A Gemstone Is A Uniaxial Crystal Or A Biaxial Crystal, And Whether It Is Positively Phototropic Or Negatively Phototropic. Lab Refractometers Anti-Scratch Anti-Corrosion,...

Professional Pen Type PH Meter Portable PH Water Quality

Professional Pen Type PH Meter Portable PH Water Quality Tester Acidometer for Aquarium Acidimeter Water PH Acidity Meter PH818 1. Use the data retention function to test the pH and temperature of the solution/water. 2. Pocket size, light and portable, switchable backlight and large LCD display, clear reading. 3. The replaceable pH sensor probe-the electrode probe can be replaced with a in design for quick and easy replacement. 4. ATC function (automatic temperature compensation), automatic calibration and IP65 fully waterproof design. 5. Used in water sources, soilless culture, aquariums, hydroponics, laboratories, spas, swimming pools and other water systems. › Check...

3-in-1 WiFi Smart Water Quality Tester, High Precision

3-in-1 WiFi Smart Water Quality Tester, High Precision pH/EC/Temp Monitor with BNC Probe Real-Time APP Alerts & Data Export, pH Controller for Aquarium, Pool, Drinking Water, Lab 【Smart WiFi Connection】Mobile phone APP real-time view PH/ORP/temperature data, high and low values automatically alarm! Support history export, 24-hour water quality trends at a glance, iOS/Android dual system compatibility 【Laboratory-Grade High-Precision】pH/EC/Temp Monitor is equipped with 0.01 precision electrode probe, 3 seconds fast reading, corrosion-resistant BNC probe design, long-term monitoring without frequent calibration 【Large Screen Design】Water quality controller with large backlit LCD display, night operation is clearly visible; long battery life, outdoor/indoor can be...

$R2 Extract Coffee TDS Refractometer$

R2 Extract Coffee TDS Refractometer, 0-30% Range, ±0.02

R2 Extract Coffee TDS Refractometer, 0-30% Range, ±0.02% Precision, Portable, Waterproof, Rechargeable, Ideal for Pour Over, Espresso, and Coffee Enthusiasts Precise TDS Measurement for Better Brews: Achieve perfect extraction with 0-30% TDS range, ±0.02% precision, 0.01% resolution, and ±0.03% accuracy — designed for professional coffee brewing. Designed for Pour Over and Espresso Brewing: Portable and easy to use, making it ideal for specialty coffee shops, baristas, and enthusiasts who demand consistency in pour over, espresso, and cold brew. Waterproof and Effortless Cleaning: IP67 water-resistant design lets you rinse the sample dish under running water and wipe it dry — quick...

$Honey Refractometer 0–95% Brix Range$

Honey Refractometer 0–95% Brix Range, ±0.1% Precision

Honey Refractometer 0–95% Brix Range, ±0.1% Precision, ATC, Rechargeable – for Honey, Molasses, Maple & Concentrated Syrups Precise & Reliable Brix Measurement Tools: With the ATC (Automatic Temperature Compensation) function (5-45ºC/41-113ºF), this refractometer provides highly accurate sugar content (Brix) measurements across a 0-95% range, precision ±0.1%, resolution 0.1%, ensuring reliable results every time. Simple Calibration & Fast Results: Achieve accurate readings in just 2 seconds with only 0.2ml of sample. Calibration is quick and simple—just use a few drops of pure water and press the "Zero" button, no calibration solution needed. Long Battery Life & Easy to Read: The large...