Extech 407768 数字声级计，30 -130 dB
制造商: EXTECH Model: 407768 - 联系
Digital Display: 5 digit Autorange LCD
Resolution: 0.1dB
Accuracy: ±1.4 dB (Class 2)
Microphone:1/2” Electret Condensor
Frequency Weighting: “A” and “C” type
Time Response: Slow/Fast
Measurement frequency range: 31.5Hz to 8KHz
Analog output: AC: 0.5V (full scale)
Applicable Standards: ANSI S1.4-1983, IEC 61672 Class 2, EN 60651
Power Supply: 9V battery
Dimensions: 10.6 x 2.7 x 1.1” (268 x 68 x 29mm)
Weight: 0.63lbs (285g)
Manufacturer: Extech -
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