The Check Mate is a mini size, low cost, high performance IEC 651 Type II sound pressure level meter with MAX/MIN function, level range display, AC signal output, and a resolution of 0.1 dB. It features an electret condenser microphone, selectable level ranges, frequency weightings A & C, time weightings fast & slow, an auxiliary AC signal output, and a frequency range from 31.5Hz to 8KHz. Comes with a windscreen and battery. |
