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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Hand-held Digital LCD EMF DetectorGVDA EMF Meter GD189 is Professional Digital Electromagnetic Field Radiation Detector Tester with LCD , it is also Handheld Portable Radio Frequency Warn Meter for Home EMF Inspections Office Outdoor
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Smart Pen Type True RMS Multimeter1. Max 4000 Counts . 2. NCV Measurement . 3. Non contact Phase sequence detection . 4.sampling speed: 3 times per second .. 5.Color LCD clear screen, easy to read the measured values..
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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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Digital Adjustable Switching Power Source1.Output voltage: DC 0- 30V2.Output Current: DC 0- 10A3.Input voltage: 220V EU or 110V US4.Black color and White color for choice 5. we have 30V 5A 30V 10A 60V 5A for choice
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Digital Multimeter Dc Ac VoltmeterGVDA 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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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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Non-Contact Voltage Detector Tester Pen1.Detection voltage: AC voltage :12~1000V,50/60Hz. 2.Operating temperature:0~40℃ Storage temperature:-10~50℃ . 3.Safety compliance:CAT.III 1000V CAT.IV 600V;CE. 4. Battery:2×1.5V AAA Batteries. 5.
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Digital Soldering Iron Station kit for Welding Rework1.Brand: GVDA Model: GD318. 2.oltage: AC 220V EU plug. 3.Output: 80W. 4.Temperature range: 80°C~480°C. 5.Temperature stability: ± 2°C. 6.Adjustable method: Knob. 7.Temperature unit: °C/°F. 8.Display
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Laser Distance Measuring Tape1. Back Light On/Off. 2. Sound on/off. 3. Green laser, clearer and faster (T4S red laser)
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Digital LCD Laser Distance Meter 100M1, General laser rangefinder for indoor measurement. 2, Measurement unit options:m/ft/in. 3, 30 units data storage. 4, High accuracy as 2.0 mm and wide measuring: 50M/70M/100M/120M for choice. 5, Set
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Horizontal Scale Ruler 360 Degree1.400mm 16inch Digital Level 360 Degree Range Angle Finder. 2.Spirit Level Upright 4 Magnets Inclinometer. 3.4 x 90° (total 360°) range and resolution 0.1° . 4.Vertical & horizontal spirit bubbles
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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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Wall Wood Moisture AnalyzerThis Wood Moisture Tester is a professional moisture meter used to measure the moisture level in sawn timber (also paper and cardboard) and hardened materials (mortar, concrete and plaster) as well
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Handheld NH3 Gas Detector Sound Light AlarmA gas detector is a device that detects the presence of gases in an area, often as part of a safety system. This type of equipment is used to detect a gas leak and interface with a control system so
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High Precision CO Gas Tester Sound AlarmThe carbon monoxide gas detector is a portable detector for detecting carbon monoxide(CO) gas. It can continuously monitor the CO gas concentration in the surrounding environment, once the gas
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Handheld Carbon Monoxide Meter1. Carbon monoxide gas meter are widely used in science and industry to detect the concentration of carbon monoxide gas.2. Professional and accurate measurement, can continuously monitor the CO gas
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Digital Humidity Hygrometer Temperature MeterThis professional meter can measure temperature and humidity with reliable measurement results. Dual display of temperature and humidity, easy to exchange between ℃ and ℉.
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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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Digital Handheld Illuminometer LuminometerThis practical lux meter is stable, safe and reliable to measure light illuminance, it also can show you the ambient temperature. It is widely used in science and industry.
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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...





