Applicable standards | IEC 61672-1: 2013 Class 2, IEC 61260-1: 2014 Class 2, ANSI S1.11: 2004 Class 2, ANSI S1.4: 1983 Type 2, ANSI S1.43: 1997 Type 2 | Microphone | 1/2-inch Electret condenser microphone | Measurement range | 30 to 130dB | Measurement level range | 20 to 90dB, 20 to 100dB, 20 to 110dB, 30 to 120dB, 40 to 130dB | Measurement function | Lp , Leq , LE , Lmax , Lmin , L05 , L10 , L50 , L90 , L95 | Frequency range | 25Hz to 10KHz | Frequency weighting | A ,C and Z | Time weighting | Fast , Slow, =10ms, Impulse | Accuracy | ±1.0dB (ref 94dB @1KHz) | Display | 3.5” 320x240 TFT – LCD display with back light | 1/1 Octave and 1/3 Octave band filters | 1/1 Octave band center frequencies : (9 bands) 31.5Hz, 63Hz, 125Hz, 250Hz, 500Hz, 1KHz, 2KHz, 4KHz and 8KHz 1/3 Octave band center frequencies : (27 bands) | | 25Hz, | 31.5Hz, | 40Hz, | 50Hz, | 63Hz, | 80Hz, | 100Hz, | | 125Hz, | 160Hz, | 200Hz, | 250Hz, | 315Hz, | 400Hz, | 500Hz, | | 630Hz, | 800Hz, | 1KHz, | 1.25KHz | 1.6KHz, | 2KHz, | 2.5KHz, | | 3.15KHz, | 4KHz, | 5KHz, | 6.3KHz, | 8KHz, | 10KHz | | | Extension cable(Optional accessories) | Available in lengths of 5m (TL-F47/5M) and 10m(TL-F47/10M) | Memory capacity | Manual (250 data sets), Auto (250 blocks on micro SD CARD ) | Signal output | AC output : 1 Vrms (at full scale) DC output : 10mV/dB | Power | 4 pcs of C size 1.5V (LR14) batteries | External DC power supply | 6V, 1A | Battery life | Approx. 2hrs | Operating Temperature/Humidity | -10°C to 50°C , 10 to 90% RH | Dimensions & Weight | 34.5(H)×10(W)×6(D) cm & Approx. 950g (including batteries) | Accessories | Instruction manual, Alkaline battery × 4, Hard carry case, CD-ROM, USB cable, micro SD card, Windscreen, 3.5 plug, AC adaptor. |
|