EMRSS Cornet ED88T Plus Trimode Electro-smog RF/LF Meter User Manual

1. Introduction

The EMRSS Cornet ED88T Plus is a versatile wideband measurement instrument designed to assess electromagnetic field (EMF) exposure in your environment. It measures radio frequency (RF) fields, low-frequency magnetic fields, and low-frequency electric fields. This device provides users with a fundamental understanding of RF and EMF levels, helping to identify potential sources of electropollution in homes or workplaces.

Figure 1: Front view of the EMRSS Cornet ED88T Plus Electro-smog Meter, displaying its screen and control buttons.

2. Key Features

• Wide Radio Frequency Detection: Measures from 100 MHz to 8 GHz (-60 dBm to 5 dBm).
• Low Frequency Magnetic Field Measurement (Range 1): 50 Hz to 10 kHz (0.1 uT to 60 uT) / (1 mG to 600 mG).
• Low Frequency Magnetic Field Measurement (Range 2): 50 Hz to 1 kHz (0.01 uT to 10 uT) / (0.1 mG to 10 mG).
• Low Frequency Electric Field Measurement: 50 Hz to 50 kHz (10 V/m to 100 V/m).
• Sound Signature Analysis: Allows for audible identification of signal types.
• Peak RF Power Density Measurement: Range from 0.5 uW/m² to 1.8 W/m².
• Data Functions: Includes Max, Average, and Hold functions for comprehensive analysis.
• Visual Display: Moving LCD graphic histogram for signal power level visualization and an ultra-fast 8-segment color LED display for quick signal level indication.
• Frequency Counter: For over-the-air digital RF signals (100 MHz to 2.7 GHz).
• Power Source: Operates on a 9V DC battery or external 5V power via USB port.
• Portability: Compact design (69 x 130 mm).
• Data Logging: Automatic recording of up to 1,000 measured data points with programmable intervals (0.5 sec. to 3 min.), supporting up to 50 hours of data logging.
• PC Connectivity: USB interface for data transfer to a computer.

3. Applications

The ED88T Plus is suitable for a variety of applications related to EMF detection and measurement:

• RF field strength and power level measurement.
• Cell phone base station density safety measurement.
• Telecommunications signal analysis (CW, TDMA, GSM, DECT).
• RF transmitter power measurement.
• Wireless LAN (Wi-Fi) detection and installation assessment.
• Wireless device detection (e.g., spy cameras).
• Assessment of cellular/wireless radiation safety levels.
• Microwave oven leak detection.
• Measurement of AC power line and transformer radiation.
• EMF safety assessment in personal living environments.

Figure 2: The ED88T Plus meter being used to measure electromagnetic fields from common electronic devices such as a laptop, Wi-Fi router, microwave oven, and cordless phone.

4. Setup and Powering On

4.1. Battery Installation

1. Locate the battery compartment on the back of the device.
2. Slide open the battery cover.
3. Insert a 9V DC battery, ensuring correct polarity.
4. Close the battery cover securely.

4.2. External Power (Optional)

The device can also be powered via a 5V USB power source. Connect a standard USB cable to the USB port on the side of the meter and to a compatible power adapter or computer.

Figure 3: Rear view of the ED88T Plus, indicating the battery compartment, E-Field sensor area, RF sensor, and LF Gauss meter sensor locations.

Figure 4: Side view of the ED88T Plus, highlighting the USB port for external power and data transfer, and the volume control dial.

5. Operating Instructions

5.1. Device Overview and Controls

The ED88T Plus features a clear LCD display and several control buttons for easy operation:

• MODE Button (Green): Cycles through different measurement modes (RF, LF Magnetic, LF Electric).
• HOLD Button (Red): Freezes the current reading on the display. Press again to release.
• LIGHT Button (Blue): Activates the backlight for the LCD display.
• UNIT Button (Blue): Changes the measurement units within a mode (e.g., uW/m², V/m, uT, mG).
• VOLUME Dial: Located on the side, controls the audio output for sound signature analysis.

Figure 5: An illustrative diagram showing the various display modes (LF, RF, E-Field) and the functions of the MODE, HOLD, LIGHT, and UNIT buttons, along with the histogram and signal level indicators.

5.2. Measurement Modes

Press the MODE button to switch between the following measurement modes:

1. RF (Radio Frequency) Mode: Measures electromagnetic radiation from wireless devices, cell towers, Wi-Fi, etc. The display will show power density (e.g., uW/m² or mW/m²) and a histogram of signal levels.
2. LF (Low Frequency) Magnetic Field Mode: Measures magnetic fields from power lines, appliances, and electrical wiring. Readings are typically in microtesla (uT) or milligauss (mG).
3. LF (Low Frequency) Electric Field Mode: Measures electric fields from unshielded electrical wiring and appliances. Readings are typically in Volts per meter (V/m).

5.3. Interpreting the Display

• Main Reading: Displays the current measured value.
• MAX Reading: Shows the maximum value recorded since the last reset or power-on.
• AVG Reading: Displays the average value over a period.
• Histogram: A graphical representation of signal strength over time, useful for identifying pulsed signals (e.g., Wi-Fi, DECT phones).
• LED Bar Graph: Provides a quick visual indication of signal strength using an 8-segment color LED bar.
• Frequency Counter: In RF mode, it can display the frequency of digital RF signals.

Figure 6: A data logging view window from the ED88T Plus display, illustrating the histogram feature with distinct patterns for Wi-Fi and DECT signals, along with frequency information.

5.4. Data Logging

The ED88T Plus can record up to 1,000 data points. Refer to the full user manual for detailed instructions on activating and configuring data logging intervals and transferring data to a PC via the USB interface.

6. Maintenance

6.1. Battery Replacement

When the battery indicator on the display shows low power, replace the 9V battery as described in Section 4.1. Always dispose of used batteries responsibly.

6.2. Cleaning

Wipe the device with a soft, dry cloth. Do not use abrasive cleaners or solvents, as these may damage the casing or display.

6.3. Storage

Store the device in a cool, dry place away from direct sunlight and extreme temperatures. If storing for extended periods, remove the battery to prevent leakage.

7. Troubleshooting

8. Technical Specifications

9. Warranty and Support

For specific warranty information, please refer to the documentation included with your purchase or contact EMR Shielding Solutions directly. Technical support may be available through the manufacturer or authorized distributors. Keep your purchase receipt for warranty claims.