Extech Instruments EMF450 Quick Start

Display Description
1. Data Hold
2. Auto Power Off (APO)
3. Audible alert
4. Battery status
5. Magnetic field bar graph reading
6. Magnetic field digital reading
7. Axes (X-Y-Z) values
8. Electrical field bar graph reading
9. Electrical field digital reading
10. RF strength bar graph reading
11. RF strength historgram
12. Select function
13. Menu function
14. Hold/Enter functions
15. RF electronic field colour alert
(see next section)
16. RF strength digital reading
17. RF strength indication area
18. LF electrical field colour alert
19. Electrical field indication area
20. LF electromagnetic field colour
alert
21. Magnetic field indication area
#NAS100173; r. AC/94338/94343; en-US
2

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”)