Related Manuals for Extech Instruments EMF450
Summary of Contents for Extech Instruments EMF450
- Page 1 USER MANUAL Multi-Field EMF Meter Model EMF450 Additional User Manual Translations available at www.extech.com...
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Page 2: Safety Information
Before using field strength measuring devices be certain that all field components to be measured lie in the specified frequency range of the measuring device. • For indoor use; Pollution level II • Operating altitude below 2000’ (6562’) EMF450-en-GB_V1.4 7/17... - Page 3 RF Strength Units selection: (μW/m² ~mW/m²) (μW/cm²) (m V/m ~V/m) (mA/m) (dBm). • Low-Frequency EMF Readings: Individual and aggregated XYZ axial readings: • High-frequency EMF Readings • RF Historical Records; up to 20 groups. • Low battery indication： HIGH EMF450-en-GB_V1.4 7/17...
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Page 4: Front Panel Description
Descriptions Front Panel Description 2.4” Color TFT display (240*320 resolution) Select and Down button Power and Menu button Hold and Enter button Battery compartment cover and measurement chart on back of meter Figure 1 – Meter Description EMF450-en-GB_V1.4 7/17... -
Page 5: Display Description
Electrical Fields RF Strength 0~10.00mG 0~500V/m 0~0.99mW/m (0~0.59V/m) Medium 10.01~100mG 501~1000V/m 1~9.99 mW/m (0.6~1.9V/m) High 101~2000mG >1001V/m >10 mW/m (>2V/m) Note: Alarm beeper sounds when readings enter the red region. Conversions 1W/m² = 0.1mW/Cm² = 100μW/Cm². 1mW/m² = 0.1μW/Cm² EMF450-en-GB_V1.4 7/17... -
Page 6: Operation
Perform all tests according to the indicated direction of the electric field sensor. Hold the meter at the bottom and at arm’s length, as shown in Figure 3. Figure 3 – Orienting the meter for Electrical Field Measurements EMF450-en-GB_V1.4 7/17... - Page 7 The RF strength portion of the display will also show a RF strength history histogram and a bar indicator based on the measured value. Measurement considerations: 1. Hold the meter at arm’s length. 2. Point the front face of the meter toward the source of power. 3. Hold the meter steady during the measurement. EMF450-en-GB_V1.4 7/17...
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Page 8: Menu Settings
Enable/Disable when ‘enable’ is selected, the keys/alarm sound menu will open. 3 options (1, 2, or 3) represent alternate keystroke sounds. Keys: 3 options (1, 2, or 3) represent alternate alarm sounds. Alarm: Information: Displays the software version EMF450-en-GB_V1.4 7/17... -
Page 9: Battery Installation And Replacement
Other Battery Safety Reminders o Never dispose of batteries in a fire. Batteries may explode or leak. o Never mix battery types. Always install new batteries of the same type. EMF450-en-GB_V1.4 7/17... -
Page 10: Specifications
Approx. 120g (4.2 oz.) Dimensions: 115 x 60 x 21mm (4.5 x 2.4 x 0.08”) Copyright © 2015-2017 FLIR Systems, Inc. All rights reserved including the right of reproduction in whole or in part in any form www.extech.com EMF450-en-GB_V1.4 7/17...