CHNADKS EM-101
EMF Meter User Manual
Model: EM-101 | Brand: CHNADKS
1. Entwodiksyon
Thank you for choosing the CHNADKS EM-101 EMF Meter. This advanced 3-in-1 rechargeable electromagnetic field radiation detector is designed for precise measurement of electric field strength, radiation power, and magnetic field strength. It is an essential tool for home and office EMF inspections, and can also be used for detecting anomalous magnetic field fluctuations, making it suitable for various applications including ghost hunting.
This manual provides detailed instructions on how to set up, operate, and maintain your device to ensure optimal performance and longevity.

Figure 1.1: The CHNADKS EM-101 Electromagnetic Radiation Detector, showcasing konsepsyon kontra enfòmèl ant li yo ak ekran klè li yo.
2. Pwodwi Features
- Versatile Precise Measurements: Measures electric field strength, radiation power, magnetic field strength, and polarity of static magnetic fields with an effective measurement range of 50MHz-3.5GHz. Provides numerical reference for anomalous magnetic field fluctuations.
- Easy to Use Interface: Features a TFT 2.0 color screen with a graphical menu for intuitive operation. Includes sound and flash alerts with adjustable alarm thresholds. Supports electric and magnetic field waveform display modes.
- Konsepsyon pòtab: Compact dimensions (4.64x 2x0.78 inches) and lightweight (67g) with an IP3X protection level, making it easy to carry and durable for various settings.
- Aplikasyon lajè: Detects RF and measures electromagnetic radiation from household appliances, cell phone towers, and low-frequency appliances. Ideal for ghost hunting enthusiasts, office workers, pregnant women, and the elderly to limit exposure to potentially harmful radiation.
3. Pake kontni
Lè w ap ouvri pake a, tanpri verifye si tout bagay sa yo ladan l:
- CHNADKS EM-101 EMF Meter (with built-in Li-ion battery)
- USB Chaje Kab
- Braslè pòtab
- Manyèl Itilizatè (dokiman sa a)
4. Layout Aparèy ak Konpozan

Figi 4.1: Devan view of the EM-101 EMF Meter, showing the LCD screen and control buttons.

Figi 4.2: Detaye view of the EM-101, highlighting the USB interface, comfort buttons, buzzer hole, and LCD screen.
- Ekran LCD: TFT 2.0 color display for showing measurement data, graphical menus, and settings.
- Bouton kontwòl:
- Pouvwa / OK bouton: Central button for turning the device on/off and confirming selections.
- Navigation Buttons (AVR, MAX, HOLD): Used for navigating menus, adjusting settings, and selecting measurement modes. The HOLD button freezes the current reading.
- Entèfas USB: Located on the side for charging the device.
- Buzzer Hole: Emits audible alerts for detected radiation levels.
- Detèktè: Internal sensors for detecting electric fields, magnetic fields, and RF radiation. The magnetic sensor and RF antennas are indicated by markings on the case.
5. Enstalasyon
5.1 Premye chaj
Before first use, ensure the device is fully charged. The EM-101 has a built-in high-performance lithium battery.
- Connect the provided USB charging cable to the USB interface on the side of the EMF meter.
- Konekte lòt bout kab USB a nan yon adaptè kouran USB estanda (pa enkli) oubyen nan yon pò USB òdinatè.
- The battery indicator on the LCD screen will show charging status. Allow the device to charge until the battery icon indicates a full charge.

Figure 5.1: The EM-101 connected for USB charging, illustrating its convenient and durable charging method.
5.2 Attaching the Portable Strap
Attach the portable strap to the designated loop on the device for convenient carrying and to prevent accidental drops.
6. Operasyon Enstriksyon
6.1 Limen/Etenyen
- Pou limen: Press and hold the central Power/OK button until the LCD screen illuminates.
- Pou etenn: Press and hold the central Power/OK button until the screen turns off.
6.2 Navige nan meni an
The device features a graphical menu for easy navigation. Use the navigation buttons (AVR, MAX, HOLD) around the central Power/OK button to move through options and make selections.
- Mezi: Enter this mode to begin real-time EMF measurements.
- EF Wave: Displays the electric field waveform.
- MF Wave: Displays the magnetic field waveform.
- Alam: Adjust alarm thresholds for different field types.
- Inite: Change measurement units (e.g., V/m, µW/cm²).
- Dòmi: Configure auto-sleep settings to conserve battery.
- Lang: Chwazi lang pou ekspozisyon an.
- Estanda: View or adjust measurement standards.
- Konsènan: View device information and firmware version.
6.3 Pran mezi
Once powered on, select the "Measure" option from the main menu to enter the measurement interface. The device will display real-time readings for Electric Field, Radiated Power, and Magnetic Field.

Figure 6.1: The EM-101 displaying simultaneous readings for Electric Field, Radiated Power, and Magnetic Field, along with their respective units.
- Electric Field (EF): Measures electric field strength in V/m.
- Radiated Power (RF): Measures radiation power in µW/cm².
- Magnetic Field (MF): Measures magnetic field strength in nT. The device also indicates N/S polarity for static magnetic fields.
- Fonksyon HOLD: Press the "HOLD" button to pause the current readings on the screen. Press again to resume real-time measurements.
- Alam: If the detected radiation exceeds the set alarm threshold, the device will emit a sound and/or flash alert.
6.4 Aplikasyon pratik
The EM-101 can be used to test various sources of electromagnetic radiation:

Figure 6.2: The EM-101 being used to test common household appliances and devices for electromagnetic radiation, including a TV, microwave, WiFi router, and hairdryer.
- Aparèy nan kay la: Test TVs, microwaves, refrigerators, washing machines, etc.
- Aparèy san fil: Check radiation from WiFi routers, mobile phones, Bluetooth devices.
- Power Lines & Electrical Equipment: Measure fields near power outlets, cables, and large electrical machinery.
- Ghost Hunting: Detect anomalous magnetic field fluctuations.
7. Antretyen
- Netwayaj: Sèvi ak yon twal mou epi sèk pou netwaye aparèy la. Pa sèvi ak pwodui netwayaj abrazif oswa solvan.
- Depo: Sere aparèy la nan yon kote ki fre epi sèk, lwen limyè solèy dirèk ak tanperati ekstrèm.
- Swen batri: Pou yon batri ki dire pi lontan, evite dechaje batri a nèt souvan. Chaje aparèy la regilyèman, menm si ou pa itilize li pandan yon bon bout tan.
- Evite enpak: Malgre ke li dirab, evite lage aparèy la oswa sibi gwo enpak.
NAN. Depanaj
| Pwoblèm | Kòz posib | Solisyon |
|---|---|---|
| Aparèy pa limen. | Batri fèb oswa aparèy la pa fonksyone byen. | Charge the device fully. If the issue persists, contact customer service. |
| Lekti ki pa kòrèk. | Interference from other electronic devices; incorrect unit settings. | Move away from strong electromagnetic sources. Check and adjust unit settings in the menu. |
| Alam pa sonnen. | Alarm threshold set too high; alarm function disabled. | Adjust the alarm threshold in the "Alarm" menu. Ensure the alarm function is enabled. |
If you encounter any issues not listed here or if the suggested solutions do not resolve the problem, please contact our customer service team for professional assistance.
9. Espesifikasyon
| Atribi | Valè |
|---|---|
| Mak | CHNADKS |
| Nimewo Modèl | EM-101 |
| Sous pouvwa | Battery Powered (Built-in Lithium Ion) |
| Koulè | Blan |
| Pwa atik | 67 gram |
| Dimansyon | Apeprè. 4.64 x 2 x 0.78 pous (11.78 x 5.08 x 1.98 cm) |
| Measurement Range (RF) | 50MHz-3.5GHz |
| Ekspozisyon | TFT 2.0 Color LCD |
| Nivo Pwoteksyon | IP3X |
| Konpozan ki enkli | LCD, Li-ion battery |
| Sètifikasyon | CE |
| Peyi orijin | USA |
10. Garanti ak sipò
Your CHNADKS EM-101 EMF Meter is designed for reliability and performance. While specific warranty details are not provided in this manual, CHNADKS is committed to customer satisfaction.
If you have any questions, concerns, or require assistance with your device, please do not hesitate to contact our dedicated customer service team. We are here to provide professional and thoughtful support.
Please refer to the product packaging or the official CHNADKS websit la pou jwenn enfòmasyon ki pi ajou sou garanti a ak detay pou kontakte yo.
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