User's Guide
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Electromagnetic Field Meter
Model 480823
99 Washington Street
Melrose, MA 02176
Phone 781-665-1400
Toll Free 1-800-517-8431
Test Equipment Depot - 800.517.8431 - 99 Washington Street Melrose, MA 02176
FAX 781.665.0780 - TestEquipmentDepot.com
Introduction
Congratulations on your purchase of Extech’s Electromagnetic Field Meter, model 480823.
This battery powered meter measures and displays EMF in Gauss and Tesla units with a
frequency bandwidth of 30 to 300Hz. This professional meter, with proper care, will provide
years of safe reliable service.
Specifications
Display 0.5” (13mm) 3-1/2 digit (1999 count) LCD
with low battery and overload indication
Measurement rate Approx. 0.4 seconds
Maximum ranges and
resolution
Accuracy ± (4% + 3 digits) @ 50/60Hz
Frequency bandwidth 30 to 300Hz (single axis measurements only)
Over-range indication “1___” is displayed
Operating
Temperature/Humidity
Power source 9V Battery
Power consumption Approx. 3mA DC
Dimensions 5.2 x 2.8 x 1” (131 x 70 x 25mm)
Weight 0.36 lbs. (165g)
19.99µTesla (0.01) and 199.9mGauss (0.1)
NOTE: 1 µTesla = 10 milli-Gauss
Temperature: 32 to 122
RH: 90% max. (0 to 35°C); 80% max. (35 to 50°C)
o
F (0 to 50°C)
Meter Description
1. LCD display
2. EMF Sensor
3. Power/Units switch
Note that the tilt stand and battery
compartment are located on the rear of the meter
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Model 480823 V2.1 12/07
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