Extech Instruments EMF450 Quick Start

Basic Specifications
For complete instructions, specifications, and safety information
please refer to the user manual, available on the Extech website.
LF Magnetc Field
range
20 mG, 200 mG, 2000 mG; 2 µT, 20 µT, 200 µT (50/60
Hz)
LF Electric Field
sensor
50 V/m to 2000 V/m (50/60 Hz)
RF Strength range
0.02 µW/m² to 554.6 mW/m²
0.02 µW/cm² to 55.4 µW/cm²
36.1 mV/m to 14.46 V/m
0.02 mA/m to 38.35 mA/m
51 dBm to 16 dBm
Frequency: 50 MHz to 3.5 GHz
Conversions
1 W/m² = 0.1 mW/cm² = 100 μW/cm²
1 mW/m² = 0.1 μW/cm²
Meter power Three (3) 1.5 V AAA batteries
Operating
conditions
5 to 40℃ (41 to 104℉); < 80 %RH
CUSTOMER SUPPORT
Customer Support Local Telephone List:
https://support.flir.com/contact
Returns (RMA): https://customer.flir.com/Home
Warranty
Teledyne FLIR warrants this Extech brand instrument to be free of
defects in parts and workmanship for two years from date of ship-
ment. To view the full warranty text, please visit the Extech website.
#NAS100173; r. AC/94338/94343; en-US
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Extech Instruments EMF450 Specifications

General

Sensor Type	LF - Magnetic Fields, LF- Electric Field Sensor, RF Strength
Range	20mG /200mG /2000mG, 2µT /20µT /200µT, 50V/m to 2000V/m, 0.02µW/m² to 554.6mW/m²
Display resolution	0.02/0.1/1, 1V/m, 0.02µW/m², 0.2µA/m, 0.2mV/m, 0.002µW/cm², 2dB
Frequency range	50/60Hz, 50/60Hz, 50MHz to 3.5GHz
Accuracy	± (15% + 100 digits), ± (7% + 50 digits), ± 2dB at 2.45GHz
Display	4 digits Triple color TFT display
Sample rate	6 seconds
Sensors	Triple axes (XYZ) ELF and RF and Electric field sensor
Battery	Three (3) 1.5V alkaline batteries
Battery Life	Approx. 8 hours
Operating temperature and RH%	5°C~40°C (41°F ~104°F); < 80%RH
Storage temperature and RH%	-10°C to 60°C (14°F ~140°F); < 70%RH

Weight and Dimensions

Weight	Approx. 120g (4.2 oz.)
Dimensions	115 x 60 x 21mm (4.5 x 2.4 x 0.08”)