RF Microwave Meter Measure the electromagnetic field radiation intensity that is produced from welding equipment, microwave oven leakage, and other environmental safety concerns The Microwave Meter is calibrated precisely on the frequency value 2.45 GHZ (microwave oven). Features maximum and minimum hold, an audible alarm, and a zero adjustment to eliminate background EMF. The display also indicates overload and low battery. Comes with a soft carrying case and standard 9V battery, which provides approximately 100 hours of use. Dim: 5" x 2" x 1¼" (127 x 51 x 32 mm). Weight: 5.4 oz (153 g). 840046 RF Microwave Meter Specifications * Display: 3¾ digits, maximum reading 3999 * RF Power Density: 0.003 to 2.700 mW / cm2 * RF Frequency: 50 MHz to 3.5 GHz * Microwave Frequency: 2450 MHz * Resolution: 0.001 mW / cm2 * Accuracy: ±2 dB at 2.45 GHz ±50 MHz * Operating Temperature: 41 to 104 deg F (5 to 40 deg C) * Operating RH: