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
Penetrating Food PH meter for semi-solid substances1. Penetrating PH meters are highly accurate, stable, reliable and easy to carry. 2. it can measure PH value and temperature. . 3. LCD Indication Alarm for over Range value. 4. Tempearture
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Rechargeable Color LCD Digital Salinity MeterThis is AR8212+ Rechargeable Color LCD Digital Salinity Meter with Screen 0.00ppt-9.99ppt 10.0ppt-50ppt Seawater Pool Aquarium Electronic Waterproof RefractometerThis portable Rechargeable Color LCD
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Rechargeable Color LCD PH Acidity MeterThis is PH828+ Rechargeable Color LCD PH Acidity Meter Water Quality Detector, Digital pH Meter Waterproof Water Quality Tester Water Test Meter for Drinking Swimming Pool Hydroponic
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Portable 4 in 1 Penetrating Soil Food PH TesterPenetrating PH Tester is for Semi-solid,Dough,Meat Food Liquid PH Detection Vegetable Bread PH Tester Temperature detector It can measure the pH value of the solution and display the temperature of
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Professional 4 in 1 Multifunctional Gas DetectorProfessional Multifunctional Gas Detector Oxygen O2 Hydrogen Sulfide H2S Carbon Monoxide CO Combustible Gas LEL Gas Meter
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Rechargeable Natural Gas Detector With Extendable ProbeGVDA GD139 Natural Gas Leak Detector with 12-inch Extendable Probe,%LEL Propane Leak Detector with Built-in Flashlight for Methane, Butane, Combustible Gas for Home, RV, This GD139 meter is a
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Handheld Wood Humidity Tester1.High frequency:Measurement electromagnetic wave. 2.LCD screen: Large LCD screen. 3.Selection: Selection of 10 wood density modes. 4.Indication symbol: User friendly symbol indication. 5. Measuring
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Combustible Natural Gas Leak DetectorPlease be kindly noted, the listed product is produced and distributed abroad and subject to the laws of its country of origin.
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Flammable Natural Tester with Visual Leakage IndicatorBrand Name: SMART SENSOR. Color: Red + Black. Material: ABS Plastic. Detection Gas: Combustible Gas
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Handheld Oxygen O2 Gas Analyzer 0 To 30%SMART SENSOR 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
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Digital Dissolved Oxygen DetectorWant to know whether the dissolved oxygen value of water is up to the standard? If so, this pen-type dissolved oxygen meter is what you need. Designed and made with imported components and sensor
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Portable Digital Dissolved Oxygen Analyzer1. Dissolved Oxygen Measuring Range: 0.0~30.0mg/L. 2. Resolution: 0.1mg/L. 3. Accuracy: ±3.0%. 4. Calibration: Calibration of 100% saturated dissolved oxygen in air. 5. Temperature Measuring Range:
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H2S O2 CO EX 4 Gas Monitor With Air PumpPortable Gas Monitor Tester O2 H2s Co Lel 4 in 1 Oxygen Hydrogen Sulfide Carbon Monoxide Pump Multi Leak Gas Detector
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300 to 10000PPM Combustible Gas Leak DetectorGVDA GD152A GD152B Combustible Gas Leak Detector, measuring range is 300 to 10000PPM with Analog bar display/ beep / vibration three Alarm mode
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Inductive Pinless Wood Moisture tester1.High frequency:Measurement electromagnetic wave. 2.LCD screen: Large LCD screen. 3.Selection: Selection of 10 wood density modes. 4.Indication symbol: User friendly symbol indication. 5. Measuring
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Timber Damp Detector Paper Digital Moisture MeterThis 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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3 in 1 Soil Ph Tester With Temperature Moisture1.PH measuring range: 2.0PH~8.5PH. Accuracy: ±0.2PH. Resolution: 0.01PH. 2.Soil temperature measuring range: -10°C to 60°C. Temperature accuracy: ±1.5°C. Resolution: 0.1°C. 3.Soil moisture
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Portable Indoor Carbon Dioxide MonitorHome based carbon dioxide monitor, when the instrument detects carbon dioxide, the carbon dioxide concentration reading will display on the LCD screen. The instrument provides a logging function,
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Portable Gas Leak Detector Alarm for All Types of Flammab...GVDA GD156 Portable Gas Leak Detector Alarm for All Types of Flammable Gases with Temperature and Humidity Function Methane Natural Combustible Gas Detector for All Types of Flammable Gases
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Digital WiFi Carbon Dioxide CO2 RecorderSMART SENSOR 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
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