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 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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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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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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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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Large LCD Combustible Gas Leak Location Determine AnalyzerSMART SENSOR combustible gas leak detector with visual leakage indicator, can detect gas leakage. All you need to know the high reliability testing instrument in the use of all kinds of refrigerants,
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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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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 Wood Moisture Meter1.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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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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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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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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pH Probes & Sensors pH (the potential of Hydrogen) measures the interaction between hydrogen and hydroxide ions within a water-based solution. A solution with a high amount of hydrogen ion activity...
The durable Bluelab pH Probe has been designed with longevity in mind, with a double-junction probe, polycarbonate housing and high-quality electrical components. Created with advanced...
The average life span of a pH probe or electrode is 12 to 18 months. Keeping the pH probe stored properly and cleaned periodically will extend its longevity and provide faster response and more...
pH Probe Maintenance. The proper cleaning and storing of pH probes is the best way to maximize their life. The average life span of a pH probe or electrode is 12 to 18 months. Keeping the pH...
Compared with a typical combination pH probe, differential pH sensors work slightly differently. While combination pH sensors have 2 electrodes, a measuring and a reference electrode,...
Compared with a typical combination pH probe, differential pH sensors work slightly differently. While combination pH sensors have 2 electrodes, a measuring and a reference electrode, differential pH...





