China Digital Brightness Meter Color LCD Alarm Manufacturers Factory Suppliers

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.

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 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.The power supply uses advanced technology PWM. 2.voltage, current can be continuously adjustable from 0 - 30V/60V/120V Rating obtain Ultra-low ripple. . 3.High-precision reference voltage source,

1.Output voltage: DC 0- 30V2.Output Current: DC 0-5A3.All models have USB ports, which can charge mobile phones.. 4.All models are micro-switching DC power supplies.. 5.We have two colors for all

4.3inch LCD Digital Microscope1. High-definition 1000X Digital Microscope with 4.3 inch screen2. Video resolution: VGA; 720P3. The biggest pixel: 720p4. Camera resolution: VGA; 1.3M; 2M; 3M

1. Rotary battery cover, easy to re-battery.. 2. Automatically distinguish the neutral wire (N) from the live wire (L).. 3. Sound and LED Alarm. 4. Automatic selection of three sensitivities. (High,

1, Back Light On/Off. 2, Sound on/off. 3, Electronic level, angle measure ±90°. 4, Painter function. 5, Unit setting m/in/ft. 6, Memory Function. 7. Built-in 3.7V 850mAh rechargeable lithium battery.

1.Model:H-D100A. 2.Working Range:　100m. 3.Laser color: Red. 4.Bubble level: Electronic level. 5.Batteru: 3.7V 850mAh lithium .

Designed for carpentry, plumbing, electrical, or HVAC work requiring accurate pitch or slope identification.

1. Multifunction Measuring Measurment Laser distance meter, Metal / Wire Pipe Copper pipe/AC Detection / Wooden Dattern only for GD210D. 2. 1.8inch Color LCD Display with Backlight. 3. Single

1.Maximum detection depth:Ferrous metals: 120mm. 2.Non-ferrous metals(Copper):80mm. 3.Copper conductors(Live): 50mm. 4.Wood: exact model : 20mm/deep mode 38mm. 5.Moisture maximum detection depth:

1.This device is an intellectual precise measurement apparatus.. 2.It design and made with precise components ans sensor, it have high sensitive and accuracy,stable to work with different temperature

1. 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

This 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,

Easy 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

The 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.

1.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:

1. Portable detector for detecting carbon monoxide(CO) gas.. 2. Can continuously monitor the CO gas concentration in the surrounding environment.. 3. Sound alarm works when CO gas concentration

Distance to spot size: 12:1. Spectral response: 8-14 um & 500mSec. Repeatability: 1%of reading or 0.1°C. Celsius/Fahrenheit unit switch: Yes