TK270PLUS Decibel Audio Meter / Sound Level Tester 30~130dB (A)

Tekcoplus Ltd. Verified independent store

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Features: Can connect with pc via USB cable Automatic backlight Auto power off function Bar graph indication Low battery indication Tripod mounting hole and equipped with sponge ba ll to filter-out unwanted signals. STANDARD APPROVAL: IEC PUB 651 TYPE2 (International Electrician Committee) and ANSI S1.4 TYPE2 (US National Standard) Calendar (date and time) function (set manually in the meter)\ Specifications: Calibration sound source: 94dB@1KHz Measurement range: 30~130dBA,35~130dBC Accuracy: ±1.5dB（reference sound pressure standard，94dB@1KHz） Frequency response: 31.5Hz~8.5KHz Resolution: 0.1dB Measuring level: 30~80, 50~100, 60~110, 80~130, 30~130 Dynamic range: 50dB/100dB Overload indication: OVER / UNDER Frequency weighting characteristic: A and C Analogy bar graph: 1dB/1 bar graph Sampling rate: FAST: 8 times/second; SLOW: 2 times/second AC signal output: 4Vrms/ full bar graph, output impedance is about 600 ohm PWM signal output: Duty cycle = 0.01X db value / 3.3 x 100% Dynamic characteristic: FAST(high speed) / SLOW (low speed) Calendar accuracy: ±30seconds/day Microphone: 1/2 inch polarization capacitance microphone Compatible Operating system for PC connection: XP /VISTA / Windows 7,8 & 10 Set Comes with: 1 x Sound Level Meter 1 x Sponge Ball (Windscreen Filter) 1 x CD Software 1 x USB Connection cable 1 x AC output wire 1 x English Operation Manual 4 x 1.5 AA Alkaline Batteries Standard Factory Packaging Show more