Contact Us
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Tel: +8618822802390
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E-mail: admin@gvda-instrument.com
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WhatsApp: 8618822802390
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Add: Room 610-612, Huachuangda Business Building, District 46, Cuizhu Road, Xin'an Street, Bao'an, Shenzhen
Aquarium Water PH Acidity Meter with ProbeMaterial: ABS Plastic. Color: Grey. Testing Range: pH: 0.00~14.00pH, TEMP: 0° ~ 60°. Resolution: 0.01pH
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Auto Ranging 10000 Counts TRMS Smart Multimeter1) VA Colour Larger HD LCD . 2) Max.9999 Counts display. 3) Auto range and Manual Range. 4) Rechargeable 3.7v Lithium battery. 5)With Back Bracket Design6)1000V 10A
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True RMS AC DC Current Clamp Meter1.Maximum 6000 Counts . 2.Inrush current test . 3.DCA zero for GD166B . 4.NCV Measurement . 5.AC DC Current 600A.
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Digital Color Screen Socket TesterGVDA GD101B Advanced outlet testers can help you check house wiring and outlet connection polarity, and can also be used to test for earth leakage trips. It is a professional socket tester that can
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USB Regulated Lab Power Supply Adjustable1.Output voltage: DC 0- 30V2.Output Current: DC 0-5A3.All models have USB ports, which can charge mobile phones.. 4.All models are micro-switching DC power supplies.. 5.We have two colors for all
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5th Generation Digital Multimeter Black Color1) 1.8cm Super thin and 2.88inch Larger LCD display. 2) Maximum display: Maximum 6000 Counts display. 3) Intelligent identification and manual function are integrated
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Digital Ac Dc Voltage Test Pencil with LCD Display1. Rotary battery cover, easy to re-battery.. 2. Automatically distinguish the neutral wire (N) from the live wire (L).. 3. Sound and LED Alarm. 4. Automatic selection of three sensitivities. (High,
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Green Beam Laser Distance Meter 100m1, Model: SW-50G/SW-70G/SW-100G. 2, Working Range: 50m/70m/100m. 3, Distance measurement precision: ±2mm. 4, Continuous measurement function: yes. 5, Area measurement function: yes. 6, Volume
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Digital Tape Laser Distance Meter RechargeableHigh accuracy ±(2mm + d x 10^-4).. 3.7V lithium battery, rechargeable.. Calibration ± 9mm.. Metal material, steady and durable.
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Digital Electronic Continuous Amplification MagnifierProduct model: GD7010Maximum video pixel: 1080FHDLens optical size: 1/4Camera resolution: 12M, 10M, 8M, 5M, 3MVideo resolution: 1080FHD, 1080P, 720PVideo format: AVIFocus mode: manualPicture format:
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Digital Protractor with Magnetic Base1. Measuring range: 4 x 90° (0 ~ 360°). 2. Measurement Units: degree(°),percentage(%), mm/m, in/f. 3. Display: Advanced LCD Display with Backlight. 4. Resolution: 0.05°. 5. Accuracy: ±0.1°at 0° ~90°
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360 Degree Angle Gauge Finder with Magnets· Measuring range: 4 x 90° (0 ~ 360°). · Measurement Units: degree(°),percentage(%), mm/m, in/f. · Display: Advanced LCD Display with Backlight. · Resolution: 0.05°
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4 in 1 Wood Metal Wiring Moisture Detector1.Maximum detection depth:Ferrous metals: 120mm. 2.Non-ferrous metals(Copper):80mm. 3.Copper conductors(Live): 50mm. 4.Wood: exact model : 20mm/deep mode 38mm. 5.Moisture maximum detection depth:
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Digital Hygrometer Moisture Meter for Wood CardboardCompared with the traditional method, microwave measurement of moisture has a fast and accurate advantages.
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Food Beverages Salt Content Water Quality TestThis industrial grade salinometer can be used for measuring the salt value and temperature of solvent, which measuring rang is 0.00ppt-9.99ppt 10.0ppt-50ppt.
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Portable Dissolved Oxygen Meter1. Test the DO(dissolved oxygen) value and temperature(℃/℉) of water.. 2. Large battery capacity, bulit-in 3.7V/1000mAh lithium battery.. 3. Pen-type intelligent dissolved oxygen analyzer, portable
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Digital Infrared Thermometer with 13 Laser PointsDistance to spot size: 12:1. Spectral response: 8-14 um & 500mSec. Repeatability: 1%of reading or 0.1°C. Celsius/Fahrenheit unit switch: Yes
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Handheld Digital Ultrasonic Thickness GaugeAS860 ultrasonic vibration meter objectthicknessmeasurementinstruments. In industrial production is often used to continuously measure the thickness of products (such as steel, steel, paper, etc.).
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Power Line Height Meter Measurement ToolThis professional digital cable height meter adopts ultrasonic principle to measure cable height with fast and accurate readings safely and quickly. It's widely used for measuring the distance
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Digital Rotational Speed Meter for Car MotorThis Contact Digital Tachometer is used to detect rotate speed, linear velocity or frequency of motor. It can be widely used in motor, fan, washing machine, automobile, airplane and other industries.
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WebPh-618l Precision Acidity Meter Probe Digital Water Quality Tester 2 In 1 Temperature Ph Meter For Aquarium , Find Complete Details about Ph-618l Precision Acidity Meter Probe Digital Water...
WebJul 30, 2020 · Step #1: Rinse the electrode probe with distilled water. Step #2: Dig a hole about 2 to 4 inches deep and fill with distilled water. Step #3: Repeat step #2 in a few areas about 2...
WebAug 22, 2019 · Checker pH Meter - HI98103 | Hanna Instruments. Hanna Instruments HI98103 checker pH Meter is designed for direct pH measurement and features a...
Web2 in 1 Temperature pH Monitor Meter Tester Sensor test Kit 0~14 pH Automatic Calibration BNC electrode Probe for Hydroponics Aquarium Lab Testing Food Drinking Water pH of saltwater/seawater ......
WebOrigin: CNOrigin, PH Acidity Meter Pen Probe Water Quality Tester Parts for Aquarium Swimming Pool for YY 400 4 in 1 PH/ORP/H2/TemperatureOscilloscope Parts & Accessories - AliExpress....
WebA pH meter is usually an electronic device used to measure the acidity of a liquid such as the water in an aquarium. The device consists of a probe connected to a meter that allows...





