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
Aquariums PH Acidity Tester with PH Sensor1.This device is an intellectual precise measurement apparatus.. 2.It design and made with precise components ans sensor, it have high sensitive and accuracy,stable to work with different temperature
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1000v 10a Digital Multimeter with Color LCDFull Function Multimeter: the professional multimeter has various useful functions for measuring DC/AC voltage, DC/AC current, resistance, capacitance, frequency/duty, temperature, and diode test,
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Digital Smart Multimeter ProfessionalGVDA Digital Multimeter is an Professional Multimeter which can measure AC and DC voltage, AC and DC current, resistance, capacitance, continuity, diode, NCV,etc.; It is the best choice for
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5th Generation True RMS Digital MultimeterGVDA Multimeter is an intelligent true effective value multimeter, intelligent identification and manual function are integrated, which can measure AC and DC voltage, AC and DC current, resistance,
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Intelligent Automatic Digital Multimeter1) 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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Laser Distance Measurer 100m1.Model:H-D100A. 2.Working Range: 100m. 3.Laser color: Red. 4.Bubble level: Electronic level. 5.Batteru: 3.7V 850mAh lithium .
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Laser Distance and Angle Measure 100mModel:SW-DS50/SW-DS70/SW-DS100/SW-DS120. Working Range:50m/70m/100m/120m. Distance measurement precision:±2mm
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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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Portable Industrial Water Soil Ph Meters1. Soil pH measurement. 2. Soil temperature measurement( ℃/℉). 3. Soil moisture measurement. 4. Switch between three modes of soil PH, temperature, and moisture. 5. Backlight control. 6. Automatic
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Handheld Refrigerant Gas Leak Tester1.Detects all existing refrigerants;. 2.Equipped with flexible stainless sensor catering for all applications. 3.Enhanced electronic circuitry
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Refrigerant Air Conditioning DetectorBrand Name: SMART SENSOR . Color: Black. Material: ABS . Detection Gas: All Refrigerant Gas
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Freon Gas Leak Tester Sound and Light Alarm1. Detects all existing refrigerants;. 2. Equipped with flexible stainless sensor catering for all applications. 3. High efficency pump increases sensitivity
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4 in 1 Multi Gas Analyzer1. It is capable of detecting 4 kinds of gas: carbon monoxide(CO), hydrogen sulfide(H₂S), oxygen(O₂) and combustible gas(LEL).. 2. Premium material and selected top quality electronic components
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Laser Temperature Gun IR Thermometer for CookingDistance 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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Colorful LCD Hygrometer for Home useThe temperature and humidity meter is a battery-powered high-precision sensor to measure relative humidity, ambient temperature, wet bulb temperature and dew point temperature.
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Home Indoor Outdoor Hygrometer Thermometer1. Measured the Humidity and Temperature at the same time.. 2. Display the measured value at the large LCD display screen.. 3. Data Hold with Maximum and Minimum.
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Digital Ultrasonic Thickness Gauge1. Ultrasonic thickness gauge, auto calibration to assure the accuracy.. 2. Auto linear compensation, auto power off mode.. 3. Sound velocity measurement,12 sound velocity for different material.
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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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Household Radiation DetectorSMART SENSOR Electromagnetic Field Radiation Detector can test electric field radiation and magnetic field emission to reach the optimal test result. It is used to test and learn electromagnetic
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WebCANNABMALL PH Meter, TDS PPM Meter and 3 in 1 Soil Moisture Meter Combo, High Accuracy Lab PH/EC Tester Digital Kit [Upgraded] for Home Water, Hydroponics, Plants Garden Soil and Aquarium PH Pen....
WebA pH sensor is a scientific device used to accurately measure acidity and alkalinity in water and other liquid substances. It is an important device used in most industries, including power...
WebUsers can use it directly. Resolution: 0.01 pH, Accuracy: ±0.01 pH. Total concealed fit in your bag or pocket for easy, casual carrying. Disolve each buffer solution in 250ML of distilled water....
WebSep 02, 2016 · Aquarium Water pH. pH measures the acidity or alkalinity of water. A pH value of 7 is neutral, with lower numbers increasing in acidity and higher number...
WebSep 22, 2022 · You can consider this tool as one of the best pH testers for aquarium. It is no sweat to calibrate and use. It is supported by top-drawer pH sensor that comes with low...





