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 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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4 in 1 Multi Gas TesterThe Multi-Gas Meter is a portable and handheld instrument that is capable to use continuously monitoring four different gas: O₂, LEL, CO, H₂S, when detected these gases, all the concentration will
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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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Combustible Gas Leak Detector With LCD DisplayDigital Larger LCD Combustible Gas Detector Gas Analyzer Flammable Natural Gas Leak Location Determine Meter Gas Tester Sound Light Alarm
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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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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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Flammable Natural Tester with Visual Leakage IndicatorBrand Name: SMART SENSOR. Color: Red + Black. Material: ABS Plastic. Detection Gas: Combustible Gas
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Portable Pen Type PH Water Quality TesterIf so, this pen-type pH meter is what you need. Featuring the automatic temperature compensation which will automatically compensate the solution temperature of 0~70℃, it can provide you the accurate
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Digital Salinity Meter for Food Water PoolThis 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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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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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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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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Combustible Gas Analyzer Monitor for Home1. Portable detector for detecting all combustible gas.. 2. Gas- sensitive semi-conductor Sensor. 3. Audible semiconductor probe and auto fast warm-up.. 4. Instant response, pinpoint leak position
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Feb 10, 2022 · HOW TO TEST YOUR DRINKING WATER WITH A PH TEST STRIP. Testing your drinking water with a pH strip involves the same method as testing any other sample of water....
SUPTREE Digital PH Meter Tester for Water Pool- 0.01ph High Accuracy Pen PH 9.7 9.2 9.8 2: Willstar 2Pcs High Accuracy PH Meter TDS EC LCD Water Purity PPM Filter 9.6 9.1 9.7 3:...
Oct 21, 2022 · It only takes a few seconds for your result to appear on screen, read accurate pH levels within ±0.01 pH. No battery required. Widely application - This PH digital tester kit can be...
Oct 6, 2022 · After analyzes and compares all of the similar products we made a list. You can easily compare and choose from the 10 best digital ph water tester for you....
You can use it for several water sources to determine overall water quality. pH Indicator Test Drops, Universal Application (pH 2.0-10.0), 100 Tests| for Drinking Water, Urine, and Saliva | Contains...
Mar 21, 2022 · A pH of water of 8.5 or higher may give the solution an unpleasant smell or taste, and, depending on its mineral content, it may damage appliances and pipes. Common Water pH Levels...





