2026年 April

10 Best emf meters in 日本

Last Updated - 02/04/2026

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Best Choice
01

TriField

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TriField EMF Meter Model TF2
9.8

Exceptional

Our rankings are cleverly generated from the algorithmic analysis of thousands of customer reviews about products, brands, merchant’s customer service level, popularity, trends and more. The rankings reflect our opinion and should be a good starting point for shopping.
Main highlights

￥43,841
02

GQ

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Advanced GQ EMF-390 Multi-Field Electromagnetic Radiation 3-in-1 EMF ELF Meter RF Spectrum Analyzer Ghost, Cell Tower Smart Meter Hidden WiFi Spy Camera Signal Bug Detector RF up to 10G with Data
9.6

Exceptional

Our rankings are cleverly generated from the algorithmic analysis of thousands of customer reviews about products, brands, merchant’s customer service level, popularity, trends and more. The rankings reflect our opinion and should be a good starting point for shopping.
Main highlights

✅【Made in the leading country for electromagnetic wave countermeasures, the USA】The EMF-390 is a high-precision, high-performance electromagnetic wave meter (electromagnetic wave gauge) developed by GQ Electronics, a US company that handles cutting-edge electronic protection equipment From measuring common electromagnetic waves in households to use in specialized fields and research purposes, it can be widely utilized
✅【For various electromagnetic wave measurements】You can use it for various electromagnetic wave measurements, both indoors and outdoors, from familiar electromagnetic waves such as mobile phones, smartphones, and microwaves, to outdoor power lines, high-voltage lines, 5G base stations, and facilities such as factories and research institutes
✅【Displays three types of electromagnetic fields simultaneously】The EMF-390 is an electromagnetic field meter that can simultaneously measure three types of waves: high-frequency electromagnetic waves (microwaves), electric fields (electric fields), and electromagnetic fields (magnetic fields), all in one device Unlike typical electromagnetic wave meters, the All-In-One Display Mode allows you to simultaneously check three measurements on a single screen
✅【Data Logging and Storage】The EMF-390 is equipped with a flash memory for data logging and storage, a feature not commonly found in general electromagnetic wave meters Free software supports download in csv format and can be used for continuous monitoring of electromagnetic waves or acquiring data in professional fields
✅【Battery Operated & USB Rechargeable】A distinctive feature of the EMF-390 is that it can also be charged using a USB cable No need for battery replacement or running costs, allowing continuous use A USB cable is also included
Japanese Manual: You can download the Japanese manual, simple manual, and glossary From a simple manual and glossary for those who are using an electromagnetic wave meter for the first time, to detailed manuals also ideal for use in specialized fields, all are in Japanese so anyone can use them with peace of mind

￥29,800
Best Value
03

ERICKHILL

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ERICKHILL EMF Meter, Electromagnetic Wave | Electromagnetic Field Radiation Tester, Rechargeable Handheld LCD with Alarm Function for Home Inspection
9.5

Excellent

Our rankings are cleverly generated from the algorithmic analysis of thousands of customer reviews about products, brands, merchant’s customer service level, popularity, trends and more. The rankings reflect our opinion and should be a good starting point for shopping.
Main highlights

【Wide range of uses】Electromagnetic radiation monitoring (residential and apartment, office, outdoor and industrial sites), electromagnetic radiation testing (radiation testing of mobile phones, computers, televisions, refrigerators, and high-voltage cables), radiation protection product testing (radiation protection effect testing), clothing, radiation-resistant film, and other radiation prevention products
【Easy to operate】It is mini and lightweight, so it is easy to carry and allows for on-site measurement Furthermore, we have done the instructions on the buttons, so even amateurs can easily measure them Press the power button briefly to turn on. The full screen will be displayed for approximately 1 second, followed by the current electric field and magnetic field measurements Note: Due to environmental electromagnetic interference, the meter may display a slight reading value when turned on, but this is not related to any fault with the meter
[With Alarm Sound] The sound light alarm will automatically alarm when the test result exceeds the safe value You can also mute it if you do not like the sound
[Uses] Weight: 0.56 lbs (0.255 kg) Simultaneously measures electric field and magnetic field strength Measures radiation from devices such as TVs, PCs, computers, microwaves, game consoles, rice cookers, refrigerators, electrical appliances, and electrical wires
This is a multifunctional EMF tester that has two uses: simultaneously measuring electric field and magnetic field radiation Maximum and average values, along with data hold and LCD, make the numbers easy to read [With Alarm Sound] The sound light alarm will automatically alarm when the test result exceeds the safe value You can also mute it if you do not like the sound

￥3,999 ￥4,399
04

RDINSCOS

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EMF Meter Digital Electromagnetic Field Radiation Detector,Electromagnetic Wave Meter Electromagnetic Wave Meter EMF Meter: 3-in-1 Portable Electromagnetic Field Radiation Detector for EF, RF, MF and
9.4

Excellent

Our rankings are cleverly generated from the algorithmic analysis of thousands of customer reviews about products, brands, merchant’s customer service level, popularity, trends and more. The rankings reflect our opinion and should be a good starting point for shopping.
Main highlights

Quiet function: The equipment is silent, preventing the fear of the ghost. Or when you are testing a quiet area, you can keep the buzzer closed to avoid disturbing other areas
Luminous Screen: Designed with 3 LCD screen that can help you find ghosts in the dark
Easy to use: One hand operation, move or field measurement (need to squeeze the electromagnetic anometer table to test)
Detects all 3 types of electromagnetic wave measurement: EMF measuring instruments can detect 3 kinds of electromagnetic radiation: electromagnetic field (EF), magnetic field (MF), and radio frequency field (RF)
Auto Sound and Tri-Color Alarm: Tri-color LCD turns green, yellow and red, auto alarm trigger higher than safety value (250 V/m or 5 uT/50 mG or 50 mW/㎡)
Auto Shutdown: Automatic shutdown after 5 minutes without operation

￥3,899
05

Ujhosld

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Ujhosld EMF Meter, Digital Electromagnetic Field Detector with Alarm Function, Type-C Charging Compatible, Home Use
9.3

Excellent

Our rankings are cleverly generated from the algorithmic analysis of thousands of customer reviews about products, brands, merchant’s customer service level, popularity, trends and more. The rankings reflect our opinion and should be a good starting point for shopping.
Main highlights

【Visual and Audible Alarm】The sound-light alarm automatically emits an alarm when the test results exceed the safe value, notifying you of strong electromagnetic wave zones with visual and light alarms
【USB Rechargeable & Quality Assurance】Convenient USB rechargeable, can be powered by mobile battery or PC, making it easy to carry Once the product arrives, please charge it first before using it We offer a 12-month quality guarantee. If you receive the product and encounter any malfunctions or issues during use, please feel free to contact us If a defect occurs in the product during use within the warranty period, we will provide a free exchange or refund
【Easy to read】Equipped with a large screen display, it offers excellent visibility even in dark places, fully meeting the needs for a simple inspection
【Easy to operate】There is less need to adjust the orientation of the measuring instrument, allowing for quick and easy measurement, immediate results, and easy identification of areas with strong electromagnetic waves
Electromagnetic Wave Meter: Measures electrical and magnetic field strength at the same time, electrical field (EF) and magnetic field (MF) Measures electromagnetic waves generated from electric fields (EF) electronic devices and power lines For example, microwave ovens, refrigerators, electrical wires, etc Magnetic Field (MF): Measures magnetic fields from household appliances and motors Detects magnetic fields emitted by refrigerators, microwaves, and electrical appliances Features functions such as data hold

￥2,799
06

GQ

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【Domestic Genuine Product】GQ EMF Meter, Electromagnetic Wave Measurement Device EMF-390 Multifield 3 in 1 EMF ELF RF Meter with Data Storage Capability, 2.5Ghz Spectrum Analyzer, Compatible with 5G
9.2

Excellent

Our rankings are cleverly generated from the algorithmic analysis of thousands of customer reviews about products, brands, merchant’s customer service level, popularity, trends and more. The rankings reflect our opinion and should be a good starting point for shopping.
Main highlights

✅【Simultaneously displays three types: electromagnetic waves, electric fields, and electromagnetic fields】The EMF-390 is an electromagnetic wave meter that can simultaneously measure three types of waves: high-frequency electromagnetic waves (microwaves), electric fields (electric fields), and electromagnetic fields (magnetic fields), all in one device With the All-In-One Display Mode, which is not found in general electromagnetic wave meters, you can check three measurements simultaneously on one screen
✅【Made in the leading country for electromagnetic wave countermeasures, the USA】The EMF-390 is a high-precision, high-performance electromagnetic wave meter (EMF meter) developed by the American company GQ Electronics, which handles cutting-edge electronic protection equipment From measuring common electromagnetic waves in households to specialized fields and research purposes, it can be widely used
✅【For various electromagnetic wave measurements】You can use it for various electromagnetic wave measurements, from everyday electromagnetic waves such as mobile phones, smartphones, and microwaves, to outdoor power lines, high-voltage lines, 5G base stations, and facilities such as factories and research institutes, both indoors and outdoors
✅【Data Logging and Storage】The EMF-390 is equipped with a flash memory for data logging and storage, which is not commonly found in general electromagnetic wave meters Free software supports download in csv format and can be used for continuous monitoring of electromagnetic waves or acquiring data in professional fields
✅【Battery-powered and USB rechargeable】A distinctive feature of the EMF-390 is that it can also be charged using a USB cable No need to replace batteries or worry about running costs, you can use it continuously A USB cable is also included
Japanese Manual: You can download the Japanese manual, simple manual, and glossary From a simple manual and glossary for those who are using an electromagnetic wave meter for the first time, to detailed manuals that are also ideal for use in specialized fields, all are in Japanese so anyone can use them with confidence

￥29,800
07

TESMEN

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TESMEN EMF Meter, Hound-200 EMF Meter: EF, RF, MF, WiFi Signal 3-in-1 Portable Detector for Home and Outdoor EMF Inspection and Ghost Hunting – Green
9.1

Excellent

Our rankings are cleverly generated from the algorithmic analysis of thousands of customer reviews about products, brands, merchant’s customer service level, popularity, trends and more. The rankings reflect our opinion and should be a good starting point for shopping.
Main highlights

Visual and Audible Alarm: The TESMEN radiation detector features a 3-color backlit display and an audible alarm (can be turned off) Numerical display and trend graph provide a clear understanding of current field strength data Furthermore, the strength and frequency of the audible alarm changes according to the measurement value
MULTIPLE APPLICATIONS: RF mode can detect the microwave emitted by household appliances such as WiFi signal, 5G signal (below 3.5GHz), microwave ovens, etc ELEC Mode and MAG Mode can measure electromagnetic waves emitted from home appliances such as TVs, IH cookers, rice cookers, refrigerators, computers, and power transmission lines It can also help with room layout, avoiding exposure to high radiation environments
Includes: Hound-200 EMF Meter (1 piece), AAA batteries (3 pieces), storage case (1 piece), instruction manual (1 piece)
Ease of Use: The Hound-200 EMF Meter is designed for your convenience Features such as MAX measurement, peak measurement, and data hold allow you to comprehensively grasp the electric field strength values The 2.26" LCD screen is easy to read and comes with an automatic shutdown and low battery indicator to save energy
3-in-1 Multi-Function Detection: When using the TESMEN electromagnetic wave meter you can detect the intensity of electric field (EF), magnetic field (MF), and high frequency (RF) respectively Because it has a built-in electromagnetic radiation sensor, it detects accurate electromagnetic fields Whether at home, outdoors, or for ghost hunting, the Hound-200 electromagnetic wave meter is a reliable tool for field detection

￥5,399
08

GQ

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Advanced GQ EMF-380 V2 Multi-Field Electromagnetic Radiation Detector 3-in-1 EMF ELF Meter & RF Spectrum Analyzer, Cell Tower Smart Meter Signal Detector RF up to 8G
9.0

Excellent

Our rankings are cleverly generated from the algorithmic analysis of thousands of customer reviews about products, brands, merchant’s customer service level, popularity, trends and more. The rankings reflect our opinion and should be a good starting point for shopping.
Main highlights

Three fields/axes EMF and EF history data graph
Safety suggestion indicator provides a simple and easy way to understand overall radiation risk
High sensitivity, up to 8GHz
Free PC Windows software for data analyzing as well as open communication protocol
Built-in RF Spectrum Power Analyzer, RF Browser, RF Power Histogram, Digital RF utility

￥26,758
09

FOWBOA

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FOWBOA Ghost Hunting Equipment EMF Meter 5 LED Magnetic Field Detector Handheld Spirit Box Paranormal Equipment for Home and Office EMF Detector
8.7

Very Good

Our rankings are cleverly generated from the algorithmic analysis of thousands of customer reviews about products, brands, merchant’s customer service level, popularity, trends and more. The rankings reflect our opinion and should be a good starting point for shopping.
Main highlights

[Tip]: Emf detector comes with a 9V battery. If the green LED (indicating normal operation), it means that the battery is low. You need to replace the battery
[Ghost Hunting]: The perfect device to detect paranormal phenomenon, a must have for ghost hunters and supernatural people
[Easy to Read]: 5 LED displays visible in all lighting conditions, and displays EMF measurement in 5 point scale to facilitate interpretation of electromagnetic fields
[EASY TO USE]: This EMF meter is compact and lightweight, easily fits in your pocket, convenient to carry anywhere
Frequency Range: This device can detect electromagnetic waves within a frequency range of 50Hz to 2000MHz

￥3,799
10

GQ

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EMF Detector RF Detector EMF Meter RF Meter EMF-390 Detects Up to 10GHz Real Time Data Logging
8.5

Good

Our rankings are cleverly generated from the algorithmic analysis of thousands of customer reviews about products, brands, merchant’s customer service level, popularity, trends and more. The rankings reflect our opinion and should be a good starting point for shopping.
Main highlights

Safety suggestions allow you to instantly understand the current situation
Multiple sensitive sensors are installed to detect power lines, smart meters, cell phones, microwave ovens, etc
Identifies and recognizes common sources such as power lines, cellutowers, microwave ovens, and electrostatic
Detects 2G, 3G, 4G, and low-band 5G cell tower signal level and RF radiation up to 10Ghz
Built-in RF spectrum analyzer and GQ RF browser for real-time RF monitoring

￥29,522

10 Best emf meters in 日本

TriField EMF Meter Model TF2

Advanced GQ EMF-390 Multi-Field Electromagnetic Radiation 3-in-1 EMF ELF Meter RF Spectrum Analyzer Ghost, Cell Tower Smart Meter Hidden WiFi Spy Camera Signal Bug Detector RF up to 10G with Data

ERICKHILL EMF Meter, Electromagnetic Wave | Electromagnetic Field Radiation Tester, Rechargeable Handheld LCD with Alarm Function for Home Inspection

EMF Meter Digital Electromagnetic Field Radiation Detector,Electromagnetic Wave Meter Electromagnetic Wave Meter EMF Meter: 3-in-1 Portable Electromagnetic Field Radiation Detector for EF, RF, MF and

Ujhosld EMF Meter, Digital Electromagnetic Field Detector with Alarm Function, Type-C Charging Compatible, Home Use

【Domestic Genuine Product】GQ EMF Meter, Electromagnetic Wave Measurement Device EMF-390 Multifield 3 in 1 EMF ELF RF Meter with Data Storage Capability, 2.5Ghz Spectrum Analyzer, Compatible with 5G

TESMEN EMF Meter, Hound-200 EMF Meter: EF, RF, MF, WiFi Signal 3-in-1 Portable Detector for Home and Outdoor EMF Inspection and Ghost Hunting – Green

Advanced GQ EMF-380 V2 Multi-Field Electromagnetic Radiation Detector 3-in-1 EMF ELF Meter & RF Spectrum Analyzer, Cell Tower Smart Meter Signal Detector RF up to 8G

FOWBOA Ghost Hunting Equipment EMF Meter 5 LED Magnetic Field Detector Handheld Spirit Box Paranormal Equipment for Home and Office EMF Detector

EMF Detector RF Detector EMF Meter RF Meter EMF-390 Detects Up to 10GHz Real Time Data Logging

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