DT-805 Sound Level Meter This level meter is designed to meet safety engineering, health, industrial safety measurement requirements of sound quality control in various environments and can. The table in line with IEC651 type 2, ANSI S1.4 type 2 Standard Features : accuracy of 1.4dB Frequency Range: between 31.5Hz and 8 kHz, range: 30dB to 130dB 3 -1/2 digit LCD display, 0.1dB resolution with a max hold and data hold function frequency sound level meter. Right: A sound level frequency weighting and frequency weighting C sound level.
Technical indicators: application of standards: IEC651 type 2, ANSI S1.4 type 2 Frequency range: 31.5Hz ~ 8kHz range: 30 ~ 130dB sound level frequency weighting: sound level frequency weighting Microphone: 1/2 inch polarized condenser microphone Calibration: In 1KHZ sine wave, 94dB signal calibration Display: LCD display digits: 3-1 / 2 Resolution: The maximum number of 0.1dB display:. 0.5 sec Time weighting: fast response (125mS), slow reaction (. 1 sec) Range: Low Range: 30-100dB, high range 60-130dB Accuracy: + 1.5dB (at 94dB, 1 kHz reference conditions) Alarm function: When the input exceeds the maximum range will be maintained automatically display OVER Off: 15 minutes without any operation after power supply: a 9V battery, 006P or IEC 6F22 or NEDA 1604. Battery life: about 50 hours (alkaline batteries) Operating Temperature: 0 to 40 ℃ (32 to 104oF) Operating Humidity: 10 to 90% RH Storage temperature: -10 to 60 ℃ (14 到 140 oF) Storage Humidity: 10 到 75% RH Dimensions: 210 (L) X55 (W) X32 (H) mm Weight 230g (including battery) Accessories: 9V battery, manual. box, leather box