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 3 in 1 Conductivity TDS Temperature MeterThis is AR8211+ 3 in 1 Rechargeale Conductivity TDS / Temperature Meter Pen type is an intellectual precise measurement apparatus. It designed and made with industrial grade components and sensor, It
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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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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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Portable Ammonia Gas DetectorSMART SENSOR Ammonia analyzer is a continuous quantitative analysis of formaldehyde concentration apparatus, the apparatus using imported high precision electrochemical principle formaldehyde sensor,
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Portable High Precision 100%vol Oxygen AnalyzerSMARTSENSOR ST8100A is Portable Rechargeable Digital O2 Oxygen Gas Detector Tester Precision Meter for Climbing Laboratory Industry This is a precision oxygen concentration instrument, it use
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4 in 1 Multi Gas MeterThis professional 4 in 1 gas detector is designed for detecting CO, H₂S, O₂ and LEL gas. It can continuously monitor the CO, H₂S, O₂ and LEL gas concentration in the surrounding environment, once the
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Electronic Refrigerant Freon Leak Detector1. Detects all existing refrigerants;. 2. Equipped with flexible stainless sensor catering for all applications. 3. High efficency pump increases sensitivity
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Digital Moisture Detector For Wood Building Material1.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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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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Portable Carbon Monoxide Detector AlarmPortable detector for detecting carbon monoxide(CO) gas.. Can continuously monitor the CO gas concentration in the surrounding environment.. Sound alarm works when CO gas concentration reaches the
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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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4 in 1 Multi Gas Detector1.Portable monitor for detect O2, CO,H2S, LEL.. 2.Respond quickly, detect precisely, Sound,light,vibration three types alarms indication.. 3.With portable plastic case, built-in sponge, no need to
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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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Combustible Natural Methane Gas Leak DetectorUsed to find a leak (leak source). Examples include gas pipelines, propane irrigating stations, tank leaks, waste water and fuel leaks. (Not suitable for detection in big environment gas such as
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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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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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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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