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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Portable Flammable Gas Leak Tester AlarmGVDA GD156 Gas Leak Detector with Temperature and Humidity Function Methane Natural Combustible Gas Detector for All Types of Flammable Gases
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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 0~30% Vol Oxygen Gas DetectorThis is ST8100B Handheld Portable 0~30% Vol Oxygen Gas Detector O2 Detector Tester Meter,Indoor Air Quality Monitor Temperature Thermometer Alarm, This is a precision oxygen concentration instrument,
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Handheld Portable Oxygen O2 Gas DetectorItem Type: Oxygen Detector. Material: ABS. Model: AT8100. Battery: Lithium battery BPV4MBL5C 3.7V 1000mAh (built in)
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Portable CO2 Carbon Dioxide Detector1. Battery indication,alarm value set,volume adjustable.. 2. ℃/℉ unit switchable.. 3. Widely used in factory, home, office, and public place.
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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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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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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 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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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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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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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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Rechargeable Refrigerant Gas AnalyzerA 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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Dec 08, 2020 · The Micnaron digital pH meter is the best aquarium tester on our list. A two-point calibration system provides more accurate readings. The included color system helps users...
Jan 12, 2021 · 7. Easiest pH Meter to Calibrate: Hayi Digital pH Meter for Aquarium Water; 8. Best pH Meter for Comprehensive Water Status: API Test Strips; 9. Best Digital pH Meter for...
May 20, 2021 · The modern, electronic pH meter was invented about a quarter century later, in 1934, when American chemist Arnold Beckman (1900–2004) figured out how to hook up a glass electrode to an...
Step 5. Apply the recommended amount of saliva or urine to the tip of the pH meter’s probe. Use an eyedropper to put a drop of the fluid on the probe tip, or carefully place the probe into a small...
One electrode is contained in a liquid that has a fixed acidity, or pH. The other electrode responds to the acidity of the water sample. A voltmeter in the probe measures the difference between...
Mar 23, 2021 · 2.4 4) Apera Instrument Electronic pH Meter. 2.4.1 Pros; 2.4.2 Cons; 2.5 5) Ohaus pH Tester For Water. 2.5.1 Pros; 2.5.2 Cons; 2.6 6) Oakton pH Meter For Hydroponics. 2.6.1...





