Top Magnetic Field Indicator Reviews

EMF Meter Electromagnetic Radiation Detector, EMF Detector Ghost Meter, Rechargeable Digital EMF Tester for Home Inspections Office Outdoor Ghost Hunting

  • ...l unit of T is used to measure the magnetic field radiation, and the unit of volt/meter is used to measure the electric field, making the measurement more accurate.
  • Audible and Visual Alarm: when the test result of digital EMF tester reader exceeds 0.4μT 4mG or 40V/m, the indicator flashes, the screen turns red, and the buzzer alarms. Long press the middle button to turn on/off the audible alarm.
  • Multifunction: The ghost meter has the average value and peak value reading, data retention function, which can lock the data with a touch, automatically shut down, set the required safety value settings, including the opening or closing of the audible and visual alarm.
  • Easy to Use: Electromagnetic radiation detector is easy to operate and move, can conduct on-site measurement, the detector is portable, can be operated with one hand, and can effectively identify the magnetic field source and electric field source.
Check Stock

Devonian Tesla Tester Gauss Meter Surface Magnetic Field Tester

  • Application:Handheld digital WT10A 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..
  • With small size, light weight and convenient carry, this instrument can meet the measurement requirements of various sites. 3，Can be used to measure DC magnetic field and flux density..
  • It has wide measuring range, simple operation and clear display..
  • Can be used to measure DC magnetic field and flux density..
  • Has the function of holding Measure Value/Peak Value, mT or Gs unit of display can be change over. Measuring range of 200mT or 2000mT, and others that as resetting zero by key and so on..
Check Stock

Anti Spy Detector, Hidden Camera Detector & RF Finder, Bug Detector, Wireless Hidden Camera Detector for GPS Tracking GSM Listening Device Finder

  • ...t business negotiations, homes, hotel rooms, dressing room, bathroom, car tracking, government organs, etc,. Wherever and whenever you dont trust surroundings, the detector can help you feel secure..
  • EASY to USE & PORTABLEThe improved one is lightweight and easy to operate and carry. The scanner alerts you with indicator light, vibration or beep when the suspicious RF wireless signal or magnetic field signal is detected. The special laser lens and LED laser lamp will help you scan the invisible wired or wireless camera. The signal detection device can adjust the sensitivity according to the actual needs..
Check Stock

Metal Detector FREE - turn your phone into magnetic field meter

  • 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..
Check Stock

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..
Check Stock

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....
Check Stock

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 ).
Check Stock

Mornajina Dial Indicator with Magnetic Base 0-10mm Tester Gage Dial Test Indicator 0.01mm 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....
  • 【Magnetic Dial Indicator with Base Holder】: These dial Indicator with magnetic base precision measuring Gauge Tools Kit, strong 2 magnet surfaces....
  • 【Measurement】: 0-10mm dial indicator: graduation 0.01mm, 3/8" stem diameter. 2" Flat back or lug back option included (hole size 1/4”, 6.3mm).....
  • 【Wide Application】: Applicable to various comparative measurements in the workshop and inspection room. It can be used with machine tools,....
  • 【Package Includes】: 1 x 0-10mm .0.01mm Dial Indicator, 1 x Magnetic Base Holder, 1 x Orange Hard Plastic Case, 1 x 22-pieces Indicator Points Set.....
Check Stock

Olmlmo Emf Meter,Ghost Hunting Equipment,Radiation Detector,Digital Electromagnetic Field Radiation Detector Digital LCD Emf Detector,Tester for Home Emf Inspections, Office,Outdoor and Ghost Hunting

  • ... meters couldn’t test the RF value and temperature.
  • Sound &Light Alarm : When you use the emf meter ,the emf testing result exceeds the value less than (0.4µT (4mG) or 40V/m), the emf reader top light color is green.
  • the emf meter’s screen will turn yellow and the indicator will be flashing when it’s detecting between 4-40 mG, red if it’s reading more then 40 mG.A sound alarm will give you the same data in higher sound frequencies, which you can also disable.
  • Multi-function & Power Saving: Our emf detector ghost hunting testing average or peak value(Maximum) reading, and one bottom hold the data for a view. This ghost hunting equipment has large -light LCD is clear for viewing. Olmlmo EMF meter will power off after 15 minutes without operation.
  • Widely Applications: The EMF meter is suitable for testing TV, computer, printer, microwave oven, refrigerators, cell towers, wire towers, low-frequency home appliances, ghost hunting, etc.
  • This EMF Detector can help eliminate radiation risks that potentially harm your family’s health.
  • Service: 1 * EMF Meter, 1 * Battery, ....
Check Stock

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.
Check Stock

3PCS 30A Range Current Sensor ACS712 Module AC/DC for Arduino 30A

  • Current sensor chip: ACS712ELC-30A（Note: there are 3 specifications of the product 5A/20A/30A, Pls choose them accroding to your needs.）.
  • Measuring range: ±30 amps, corresponding Analog output:66mV/A..
  • When there is no the detection current through, the output voltage is VCC/2.
  • Note: ACS712 module is based on the principle of Hall detection, please avoid the influence of magnetic field when using it!.
  • Package includes:3 Pack 30A Current Sensor ACS712 Module..
Check Stock

Fowler 52-641-300-0, Dial Indicator with Flex-Arm Magnetic Base and 1\ Travel

  • Precision Measurements: Features a 2-1/4" diameter dial indicator with 0.001" graduations, a revolution counter, and tolerance markers to observe tolerance limits.
  • Accurate Readings: Dial indicator has microfine graduations for 0-100 continuous readings.
  • magnetic base also has a V-base for mounting on cylindrical surfaces.
  • Magnetic Base: The magnetic base features an on/off switch for an easy magnet release.
  • Set Includes: 2-1/4" dial indicator, flex arm magnetic base, and fitted storage case.
  • Used on lathes, surface plates, milling machines, comparators and various other machining applications.
Check Stock

ACS712 30A Amp Current Sensor Voltage Sensor Module DC 0-25V Voltage Tester Terminal Sensor for Arduino, Pack of 2

  • Use ACS712ELC-30A chip, pin 5V power supply, on-board power indicator, the module can measure plus or minus 30A current, corresponding to analog output 66mV/A..
  • When no detection current passes, the output voltage is VCC/2..
  • ACS712 is based on the principle of Hall detection, please try to avoid the influence of the magnetic field when using it..
Check Stock