â·ÃÊͺ¶ÒÁÃÒ¤Ò Compact Microwave Leakage Detector for Measuring High Frequency Radiation Levels EMF300 Microwave Leakage Detector Features: Ideal for measuring high frequency radiation levels emitted from household and commercial microwave ovens 0 to 1.999mW/cm2 measurement range Audible alarm and overrange indicator Peak Hold Complete with 9V battery Specifications: Measurement Ranges: 0 to 1.999 mW/cm^2 Accuracy: <2db 1mw="" cm="" 2="" 45ghz="" 50mhz="" li=""> Alarm Setting: audible alarm if level is >1mW/cm^2 Power Supply: 9V battery Power Consumptions: 2.7mA DC approximate Operating Frequency: 2.45 GHz ±50MHz (30MHz to 3GHz for reference only) Operating Conditions: temperature: 0 to 50°C (32 to 122°F); Humidity: < 80% RH Dimensions: 152 x 69 x 36.3mm (6.0 x 2.7 x 1.4") Weight: approx. 202g (7.1 oz.) EMF300 Extech Leakage Detector Microwave à¤Ã×èͧµÃǨÇÑ´¤Å×è¹äÁâ¤ÃàÇ¿ à¤Ã×èͧÇÑ´¤Å×è¹äÁâ¤ÃàÇ¿