ReviewsMagnetic Field Tester

allsun EM480D Digital Earth Tester Insulation Resistance Tester Ground Resistance Meters Earth Ground Resistance Tester Measure AC Voltage to 200V with Backlight Display

【WIDELY USED】This digital earth tester can measure grounding resistance as well as AC voltage to 200V, and it also can be used in the grounding resistance measurements of power system, electrical device, lightning protection device, etc. What’s more, it is also equipped with dust proof and moisture proof structure, which make it can be used in field operation..
【ACCURATE & RELIABLE & EASY】This digital earth tester has improved the circuit, structure as well as process of the traditional grounding resistance tester so that its functions are more complete, the accuracy is much higher, and the operation is more convenient and reliable..
【OVERLOAD PROTECTION】This digital earth tester has a complete overload protection circuit that any two terminals can withstand AC 380V for a minute..
【EXCELLENT DESIGN】The appearance design of this digital earth tester is both beautiful and practical. The instrument panel function keys are clear and reasonable in layout..
【EASY READING】This digital earth tester has not only large and clear 3. 5 inch LCD display, but also backlight display..

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Metal Detector PRO - turn your phone into magnetic field meter and magnetism tester with electromagnetic field app

Metal Detector PRO is an extremely useful application for your android phone.
Application Metal Detector PRO uses built-in magnetometer that can measure electromagnetic field (EMF) level in your surroundings..
This application detects electromagnetic fields there around your smart phone and tells you if there are metal close..
Meta Detector app uses built-in magnetic field sensor. Please check in your phone specification if your device is equipped with one..
The app detect ferromagnetic metals which means that only detects those which generate magnetic fields..
The metal detector app works also through walls so it can detect hidden electrical wires, studs and metals..
The magnetic field intensity is presented on a magnetic field intensity chart..
The magnetic field meter will play sound and vibrate if magnetic field generation object are detected in proximity of the app..
Please note that the accuracy depends entirely on the magnetic sensor (magnetometer) in your device and might be affected by electromagnetic waves generated by nearby electronic equipment..

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GLTL Gaussmeter Tesla Meter Surface Magnetic Field Tester with N/S Function + Metal Probe

★, Application: Handheld digital WT103 gauss meter used to measure the magnetic field of the permanent magnet material surface, DC motors, speakers, magnetic separator, permanent magnetic separator magnetic field demagnetization and the leakage of the magnetic field, parts machining residual magnetic field. Measuring range: 0 to 200mT milli-Tesla of - 2000mT milli-Tesla.
★, Basic error: ±2percent ±3 word (below 1000mT millitesla of) ±5percent ±3 words (over 1000mT millitesla).
★, Ambient temperature: 5℃~40℃ Relative Humidity: 20%~80% (non-condensing) Power supply: one 9V battery, external power supply (Battery is not included).
★ ,Package Included: 1 x WT103 Gaussmeter Tesla meter.
1 x DC Adapter ( includes AAA*3 Batteries ).

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ACS712 Hall Effect Current Sensor Module 5A 20A 30A Range + Voltage Sensor Module DC0-25V Voltage Tester Terminal Sensor for Arduino

【Perfect Combination】Using this product can measure both voltage and current, very suitable for DIY electronic design projects..
【Package Included】1pcs x 30A,1pcs x 20A, 1pcs x 5A ACS712 Current Sensor Module, and 1pcs x Voltage Sensor Module DC0-25V Voltage Tester Terminal....
【Current Sensor Module】Chip: ACS712ELC-05A，Measuring range: ±5 amps, corresponding Analog output:185mV/A.--- ACS712ELC-20A，Measuring range:....
【Voltage Sensor Module】Voltage input range: DC0-25V.
【Pls Note】: ACS712 is based on the principle of Hall detection, please avoid the influence of magnetic field when using it!.

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EMF Meter, Household Radiation Detector, Smart Sensor Digital LCD, EMF Detector Dosimeter Tester Counter

Precise Measurement – The 3 in 1 EMF meter tests magnetic field radiation in mg/µt, ranging from 0.1 to 199.9mG, with a resolution of 0.1mG/0.01µT.
Tests electric field in v/m, ranging from 1-1999V/M, with a resolution of 1V/M, and tests ambient temperature in 2 units of °C/°F, ranging from 0～50℃/ 32-122℉.
Sound & Light Alarm – Equipped with an LED indicator light as an alarm. It will be green if it’s detecting less than 4 mG of radiation, yellow if it’s detecting between 4-40 mG, and red if it’s reading more than 40 mG.
and come with sound alarm, sound increases as the amount of radiation increases, you can also disable it.
Multifunction - Triggers an alarm to let you know when results exceed safe values.
data hold and max radiation values setting, manual/auto shut off, the large and back-light LCD display is easy to read, even at dark, and provides precise measurements.
the Vlifee Household Radiation Detector is ideal for the elderly, pregnant mother, and office workers.
Widely Applications – Come with flashlight, tripod mounting thread and sleek compact design make this EMF tester easy to carry and suitable for testing TV, computer, printer, microwave oven, refrigerator, cell towers, wire tower, low-frequency home appliances, an....

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3 in 1 EMF Meter,EMF Reader,Electromagnetic Field Radiation Detector,EMF Tester for Home,EMF Detector with Sound Light Alarm,Ghost Hunting Equipmetent

...hone, computer,TV, refrigerator high voltage line radiation detection.
Test the effect of protective equipment such as radiation protective clothing and radiation protective film.
【3 in 1 EMF meter】One machine for three purposes, simultaneously detecting electric field, magnetic field radiation and temperature.Short press "MODE" key, the electric/magnetic field and ℃/℉ function conversion.
【Alarm】 Exceeding alarm threshold (electric field: 40V/m.
Magnetic field: 0.4μT), the instrument will sound, light, screen display at the same time.【Alarm】 Exceeding alarm threshold (electric field: 40V/m.
Magnetic field: 0.4μT), the instrument will sound, light, screen display at the same time.
【Hold data】The instrument reading will be locked by pressing the HOLD key, and the "H" symbol will be displayed on the screen. If there is no need to lock, press the HOLD key again.
【Graphic display】LCD graphic display of radiation value trend.Radiation assessment, to remind you whether the current radiation value is safe.

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HoldPeak Digital Smart SMD Tester 6000 Counts HP-990C DMM Handheld Resistance Capacitance Tester,Digital Multimeter Auto Scan with Spare Test Pins (Battery Included)

✅【High Quality & High Accuracy】The tester is automatically identified the passive component.Precision LCR Meter 6000 counts with the range of Resistance:600Ω~60MΩ；Capacitance：9.999nF~99.99mF.
Diode Test:Open Voltage:3.0V,Testing Current:1.5mA.
✅【Non-rusting】The entire outer surface of the tester case has been with thermo plastic elastomer, and Spare Test Pin are included which has been gold-plated, so that can be reduce pin contact resistance and prevent it from rusting..
✅【Wide Range of Application】With the function of the continuity and Diode Test,you can used it for many applications,such as components verification and sorting, production lines, laboratory and service center, in-field repair，battery power test and more..
✅【Auto Power Off】If the tester is idle for more than 15 minutes, the tester will automatically turn off the power.HOLDPEAK 990 SMD tester is a handheld and battery operated small Tool, very convenient to operate and it is easy to measure SMD..
✅【100% Warranty Guarantee】HOLDPEAK come with 2 years warranty and lifetime technical support,if you have any questions about our product,just feel free to contact us, your satisfactory purchase experience is our greatest hope! Looking forward ....

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Mornajina Dial Indicator with Magnetic Base 0-1.0 Tester Gage Dial Test Indicator 0.001 Precision Magnetic Dial Indicator Base Holder with Fine Adjustment

【Dial Test Indicator Tester Gage】: Mornajina magnetic dial indicator holder set with fine adjustment long arm, on and off switch, is made of steel hardened, professional and durable. Universal rotating shaft with fine-tuning knob for more accurate measurement. 0-1.0" Tester Gage, Dial Test Indicator Graduation 0.001" Precision..
【Magnetic Dial Indicator with Base Holder】: These dial Indicator with magnetic base precision measuring Gauge Tools Kit, strong 2 magnet surfaces with ON/OFF control, could provide 140lb-160lbs, power pull. For 160lb, it requires 30mm and up thickness metal countertop/surface..
【Measurement】: 1" dial indicator: graduation 0.001", 3/8" stem diameter. 2" Flat back or lug back option included (hole size 1/4”, 6.3mm). 9" Height Magnetic base, on and off switch. 2" width X 2-1/2" depth Base measures. 22-pieces indicator point set: AGD specifications (4-48 threads)..
【Wide Application】: Applicable to various comparative measurements in the workshop and inspection room. It can be used with machine tools, equipment, and other measuring equipment to compare two heights or distances between narrow limits, to determine the errors in the geometrical form, to take accurate measurements of deformation, to take determine posi....

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EMF Meter, Electromagnetic Radiation Tester,Hand-held Digital LCD EMF Detector, Great Tester for Home EMF Inspections, Office, Outdoor and Ghost Hunting

Can Test The Electric Field And The Magnetic Field Radiationat at The Same Time---Our EMF Electromagnetic Radiation Detector( Test Range: Electric: 1-1999V/m.
Sound-light Alarm, When The Test Result Exceeds The Safe Value The Instrument Willalarm Automatically(Alarm Threshold: Electric: 40V/m.
Data Locking, One-key Lock Of The Radiation Value, The EMF Equipped With a Builtin Electromagnetic Radiation Sensor(Test Bandwidth: 5Hz-3500MHz, Sampling Time: Approx. 0.4 Seconds)..
LCD Graphic Display of The Radiation Value Trend : Radiation Assessment , Remind You Whether The Radiation Value is Safe or not, Double Measure Display of Electric Field Magnetic Field on The Meter, Average / Peak Switching Button Function..
Built-in Rechargeable Lithium-ion Battery (with USB Charging Cable), Fashionable Design,Easy on-hand Operation, Easy to Carry or Make Field Measurement..

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Extech EMF450 Multi-Field EMF Meter

Multi Field measurements: Magnetic Field, Electric Field and Radio Frequency (RF) Strength.
Magnetic Field Triple Axis Sensor (X, Y, Z).
2.4 inches (240 x 320 pixels) color TFT display.
Adjustable screen brightness (low, medium, high).

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AMTAST TES11A Tesla Tester Digital Gauss Meter Surface Magnetic Field Meters Metal Probe Guassmeter with Ns Function

The TES11A Handheld Digital Teslameter is a field-portable unit that measures DC magnetic fields with direct digital readout in mT or Gs..
With small volume, light weight and convenient carry, this instrument can meet the measurement requirements of various sites.
Can select transverse probe or axial probe. Have judgment function of magnetic field polarity. The unit is designed for wide range, auto-range, high....
Adopt micro power consumption design. With long service life, the battery can be continuously used for more than 50 hours.
Wide Application: used for measuring the permanent magnetic material surface magnetic field, dc motors, speaker, magnetic separation machine,....

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