China Protractor Manufacturers Factory Suppliers

1. Measuring range: 4 x 90° (0 ~ 360°). 2. Measurement Units: degree(°)，percentage(%), mm/m, in/f. 3. Display: Advanced LCD Display with Backlight. 4. Resolution: 0.05°. 5. Accuracy: ±0.1°at 0° ~90°

GVDA 3 In 1 Digital Oscilloscope Multimeter Signal Source Ammeter Waveform Capture AC DC Current Voltage True RMS Multimetro

GVDA GD601 Wire Tracker Network Cable Tester LAN Telephone Wire Tracker Diagnose Tone Tracer RJ45 RJ11 Multifunctional Cable Detector Line Finder

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

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)

GVDA Multimeter is an Professional Multimeter 6000 COUNTS which can measure AC and DC voltage, AC and DC current, resistance, HZ, OHM, capacitance, continuity, diode, NCV Tester,etc.; It is the best

Dual Testing Functions: the EMF meter can accurately detect and measure the electric field radiation and magnetic field emission at the same time. It also can measure the environment

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. External Testing Certification: CE, IEC CAT.III 1000V CAT.IV 600V. 2. Display Type: LCD. 3. Specific Uses For Product. 4. Live/Null Wire Testing. 5. Non-Contact Voltage Detection. 6. Breakpoint

Electronic angle sensor, one key for angle and height measurement.. Large LCD backlight supports better visibility in low light conditions.. Electronic Level function, will show real-time refresh

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

Working Range: 50/70/100/120m. Laser color: Red. Bubble level: Electronic level. Reference point: 2(rear, front)

1.Model Name: GD316. 2.Range:0-35% Brix. 3.Ambient Temperature:10℃-40℃. 4.Resolution:0.1% Brix. 5.Accuracy:±0.5% Brix. 6.Battery:Builti in Lithium battery.

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.

1.Gas Type: Carbon Monoxide. 2.Measuring Principle: Electrochemical. 3.Measuring Range: 1~1000 (PPM). 4.Resolution: 1PPM. 5.Accuracy: ±10 %. 6.Response Time: <60 sec. 7.Alarm: Alarm Buzzer.

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

1. Measure the brightness of any light source.. 2. Conversion of units of luminosity.. 3. Data retention with maximum and minimum.

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.