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
Electric Circuit Breaker Finder US Plug1.Voltage: 48V-250V 45-65Hz. 2.GFCI Test: >5mA (US Plug). 3.GFCI Working Voltage: 110V±20V. 4.Voltage Measurement: 48V~250V / 45~65Hz. 5.Accuracy: ±(2.0%+2). 6.Working Environment: 0℃ ~ 40℃, 20%
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Electrical Tester With LCD DisplayGVDA Non-contact AC Voltage Tester 12-300V Digital Pen Type Voltage Detector Electric Sensor Test Pencil Electrician Tools Audible Alarm
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Electromagnetic Magnetic Field Radiation DetectorGVDA 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
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Large LCD Intelligent Socket TesterGVDA GD101B Socket Tester Outlet Tester RCD GFCI NCV Test Outlet checker EU US UK Plug Ground Zero Line 30mA Smart Socket Detector
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Car Paint Coating Thickness GaugeGVDA GD198 Coating thickness gauge is used to measure the thickness of the plated and coatedsheet on metal, e.g. paint/enamel/ chrome on steel, paint and anodizing coating on aluminum/copper.The
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Digital Color LCD Socket DetectorGVDA GD101B Socket Tester Outlet Tester RCD GFCI NCV Test Outlet checker EU US UK Plug Ground Zero Line 30mA Smart Socket Detector
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Non Contact Voltage Tester With FlashlightGVDA Non-contact AC Voltage Tester 12-300V Digital Pen Type Voltage Detector Electric Sensor Test Pencil Electrician Tools Audible Alarm
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Electric Socket Outlet Tester EU Plug1.Plug Type: EU/US/UK (Optional). 2.Voltage: 48V-250V 45-65Hz. 3.RCD Test: >30mA (EU/UK Plug). 4.RCD Working Voltage: 220V±20V.
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4000 Counts True RMS Digital Multimeter1.4000 Counts & Multi-function . 2.Auto Range . 3.NCV Measurement . 4. Backlight LCD and flashlight .
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2000 Counts Manual Range Digital MultimeterMax 2000 Counts Display . Manual Range with Data hold Function . Auto Power off with back lights. Fuse protection:mA:F200mA/250V fuse / 10A:F10A/250V fuse. Power Supply: 2x1.5V AAA Batteries ( NOT
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Electromagnetic Field Radiation Tester1.Magnetic Field Strength: 0.01~199.9μT(0.1~1999mG). 2.Electric Field Strength: 0~1999V/m. 3.Magnetic Field Strength Resolution: 0.01μT/0.01mG. 4.Electric Field Strength Resolution: 1V/m. 5.Magnetic
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Handheld 6000 Counts Digital Multimeter True RMS1) 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. 4) Sampling Rate: About 3 times
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Digital Multimeter Smart 9999 Counts True RMSGVDA smart multimeter can accurately measure AC/DC voltage, AC/DC current, 10A current, and can also be used to test continuity, capacitance, frequency, duty cycle, resistance, diode, temperature,
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RCD Socket Outlet Tester EU plug1.Product Name; Socket Out Tester. 2.operating voltage:90~250V/45~65Hz. 3.Phase voltage:90~250V/45~65Hz accuracy:± (2.0%+2). 4.Leakage voltage:0~99V/45~65Hz accuracy:± (2.0%+2). 5.operating
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Electronic Socket Tester with GFCI Check1. Can detect the wiring status of the socket quickly and accurately.. 2. It tests your protection system to ensure the household electrical safety.. 3. Widely used in the school, laboratory, factory
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UK Plug Socket Tester 240v1. It is a professional socket tester with mini portable design, making it easy to carry and simple to use.. 2. It can detect the wiring of the socket quickly and accurately. . 3. It can test socket
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Digital Manual Range Clamp Meter1. Display: 6000 counter readout. 2. Over range indication: it displays OL. 3. Low voltage display: low battery indication. 4. Power: AAA 1.5V battery*2(Not Included).
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Non-contact AC Phase Voltage Detector1.NCV detection voltage range :12~1000V,50/60Hz. 2.Phase detection voltage range :90~400V,50/60Hz. 3.Phase Sequence Detection: Normal, Reverse and Lack. 4.Sound and LED Alarm. 5.Automatically
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Socket Detector Tester Ground Zero Line1.Plug Type: /UK PLUG. 2.Voltage: 48V-250V 45-65Hz. 3.RCD Test: >30mA (EU/UK Plug). 4.RCD Working Voltage: 220V±20V.
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Sound Noise Level Monitor Meter with Data Logger1. The data storage function can store up to 15,000 groups of data. Connect to computer via USB cable. 2. Real-time display of current temperature (℃ / ℉ switchable) and humidity.. 3. Large 2.7 LCD
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Nov 03, 2022 · ANENG Digital Display Socket Tester Plug Polarity Phase Check Voltage Detector. Sponsored. AU $26.57. Free postage. ... AU $18.45. Free postage. Outlet Tester Socket Electric Circuit...
Nov 27, 2018 · Polarity marking is indicated by a dot or ‘X’ or it can be indicated by standardized terminal markings. Below is another way of indicating transformer polarity. The secondary polarity...
Polarity Checker can be useful for testing almost all sound sources. Like large scale concert PA systems, home theater systems, studio monitors, car audio en even headphones.. Usage: For playing the...
1/10/2021 · Polarity Test of Lighting Circuit . A polarity test for a lighting circuit must be made when fresh or after a change has been made. This test ensures...
Step 1: Polarity by Visual Inspection By using your knowledge and sight, correct termination of cables relating to core colours can be established. It is essential that polarity is checked...
Jan 10, 2021 · Polarity Test: All You Should Know About Types of Polarity Testing of Transformer. In this method, the voltmeters V 1 and V 2 are connected...





