Contact Us
-
Tel: +8618822802390
-
E-mail: admin@gvda-instrument.com
-
WhatsApp: 8618822802390
-
Add: Room 610-612, Huachuangda Business Building, District 46, Cuizhu Road, Xin'an Street, Bao'an, Shenzhen
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
Add to Inquiry
Portable Dissolved Oxygen Meter1. Test the DO(dissolved oxygen) value and temperature(℃/℉) of water.. 2. Large battery capacity, bulit-in 3.7V/1000mAh lithium battery.. 3. Pen-type intelligent dissolved oxygen analyzer, portable
Add to Inquiry
Handheld Dissolved Oxygen Tester1. Lightweight and portable, easy to carry.. 2. Use ergonomics. It is easy and fast for user to use with simple key operation mode and comfortable hand feeling.
Add to Inquiry
Combustible Gas Detector Sound Light AlarmThis professional portable 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
Add to Inquiry
Port Flammable Natural Gas Leak DetectorThis product can detect a gas leak and interface with a control system, and it's suitable for Methane, Ethane, Propane, Butane, Gasoline, Natural Gas, Carbon Monoxide, Alcohol,Hydrogen, Acetone,
Add to Inquiry
Combustible Gas Detector Built-in Lithium Battery1. Portable detector for detecting all combustible gas.. 2. Long flexible stainless probe reaches all areas.. 3. Audible semiconductor probe and auto fast warm-up.. 4. Instant response, pinpoint leak
Add to Inquiry
Flammable Natural Gas Test Sound Light Alarm1. 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
Add to Inquiry
Portable Natural Gas Leak Tester Sound Light Alarm1.Sensor: Gas-sensitive semi-conductor. 2.Reaction Range: >50PPM (methane). 3.Warm-Up Time: Approx. 30 sec. 4.Reactions Time: Approx. 5 sec (500PPM). 5.Power: 2pcs, 1.5V, AAA battery. 6.Alarm Mode:
Add to Inquiry
Portable Natural Gas Leak TesterEasy to read: LCD with green backlight ensures clear visibility even in the dim light.. High and low sensitivity are switchable for different scenarios.. Send out an audible and visual alarm if any
Add to Inquiry
Portable Refrigerant Gas AnalyzerPlease be kindly noted, the listed product is produced and distributed abroad and subject to the laws of its country of origin.
Add to Inquiry
Handheld Refrigerant Gas Leak Tester1.Detects all existing refrigerants;. 2.Equipped with flexible stainless sensor catering for all applications. 3.Enhanced electronic circuitry
Add to Inquiry
Refrigerant Air Conditioning DetectorBrand Name: SMART SENSOR . Color: Black. Material: ABS . Detection Gas: All Refrigerant Gas
Add to Inquiry
Freon Gas Leak Tester Sound and Light Alarm1. Detects all existing refrigerants;. 2. Equipped with flexible stainless sensor catering for all applications. 3. High efficency pump increases sensitivity
Add to Inquiry
Portable Oxygen O2 Gas MeterThe intelligent precise oxygen detector use electri-chemical type gas sensor to measure the gas, can quickly response to oxygen gas, sound and light alarm level can be set manually.
Add to Inquiry
Portable Oxygen Gas Detector Sound Light Alarm1.Item Type: Oxygen Detector. 2.Battery: Lithium battery BPV4MBL5C 3.7V 1000mAh (built in). 3.Uses: Suitable for industrial, agricultural and residential environments and other places.. 4.Test Range:
Add to Inquiry
Handheld Ammonia Gas tester Range 0 to 100PPM1.Auto power off, alarm value set.. 2.℃/℉ unit switchable.. 3.Widely used in factory, home, office, and public place.
Add to Inquiry
Handheld NH3 Gas Detector Sound Light AlarmA 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
Add to Inquiry
Professional CO2 Gas Analyzer AlarmGVDA Digital Multimeter is an Professional Multimeter which can measure AC and DC voltage, AC and DC current, resistance, capacitance, continuity, diode, NCV,etc.; It is the best choice for
Add to Inquiry
Portable CO2 Gas MeterA 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
Add to Inquiry
4 in 1 Multi Gas Analyzer1. It is capable of detecting 4 kinds of gas: carbon monoxide(CO), hydrogen sulfide(H₂S), oxygen(O₂) and combustible gas(LEL).. 2. Premium material and selected top quality electronic components
Add to Inquiry





