China Flammable Natural Gas Test Sound Light Alarm Manufacturers Factory Suppliers

1. 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

GVDA EMF Meter GD189 is Professional Digital Electromagnetic Field Radiation Detector Tester with LCD , it is also Handheld Portable Radio Frequency Warn Meter for Home EMF Inspections Office Outdoor

GVDA 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

1) 1.8cm Super thin and 2.88inch Larger LCD display. 2) Maximum display: Maximum 6000 Counts display. 3) Intelligent identification and manual function are integrated

1.DC Voltage:600.0mV;6V/60V/600V;. Accuracy:±(0.5%+3). 2.AC Voltage : 600.0mV;6V/60V/600V. Accuracy:±(0.8%+3)

This meter is an intelligent true effective value multimeter. Intelligent identification and manual function are integrated, which can measure AC and DC voltage, AC and DC current, resistance,

GVDA 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 professional

1. Maximum display: Maxium 6000 Counts display. 2. Temperature Measurement only for GD112B GD112C. 3. NCV Detection with 26mm Larger Jaw Design. 4. When more than 3A, or more than 80V Orange

Model：SW-DS50/SW-DS70/SW-DS100/SW-DS120. Working Range：50m/70m/100m/120m. Distance measurement precision：±2mm

Widely use in house decoration, building construction, real estate. The laser measure is ideal for measuring areas or objects including rooms, apartments, buildings, factories, garage, desks, chairs,

1.Model No.: GD216. 2.Ferrous metals: 120mm. 3.Non-ferrous metals(Copper): 80mm. 4.Copper conductors(Live): 50mm. 5.Wood: exact model : 20mm/deep mode 38mm. 6.Moisture maximum detection depth: 8mm.

Grain Moisture Meter Grain Moisture Meter Hygrometer AR991 For Corn,Wheat,Rice,Bean,Wheat Flour fodder rapeseed seed 50% off Digital LCD Hygrometer for Corn Wheat Rice Bean

This 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

1. 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.

1.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:

A 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

This professional meter can measure temperature and humidity with reliable measurement results. Dual display of temperature and humidity, easy to exchange between ℃ and ℉.

AS860 ultrasonic vibration meter objectthicknessmeasurementinstruments. In industrial production is often used to continuously measure the thickness of products (such as steel, steel, paper, etc.).

This Contact Digital Tachometer is used to detect rotate speed, linear velocity or frequency of motor. It can be widely used in motor, fan, washing machine, automobile, airplane and other industries.

This practical lux meter is stable, safe and reliable to measure light illuminance, it also can show you the ambient temperature. It is widely used in science and industry.