Elevator noise measurement LB-ZS05 Portable noise meter

LB-ZS05 Portable noise meter LB-ZS05 Portable noise meter noise meter is designed to meet this safety engineering, health, industrial safety, quality control measurement requirements of sound and can be in a variety of environments, such as factories, schools, offices, transportation routes, noise measurement application family, audio and other occasions. The table in line with IEC651 type 2, ANSI S1.4 type 2 standard LB-ZS05 Portable noise meter characteristics: 1. an accuracy of 1.4dB 2. Frequency Range: between 31.5Hz and 8 kHz, measuring range: 30dB to 130dB 3.3 - 1/2 digit LCD display, 0.1dB resolution 4 with max hold and data hold function 5. sound level frequency weighting:. A sound level frequency weighting and C frequency weighting sound level Portable noise meter LB-ZS05 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: 0.1dB maximum number of display:. 0.5 sec time-weighted 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 range will show "OVER" max hold automatic Shutdown: 15 minutes without any operation after power supply: a 9V battery Battery life: about 50 hours (alkaline batteries) Operating Temperature: 0 to 40 ℃ (32 to 104oF) Operating Humidity: 10 to 90% RH Storage temperature: - 10 到 60 ℃ (14 到 140 oF) Storage Humidity: 10 到 75% RH Dimensions: 210 (L) X55 (W) X32 (H) mm Weight 230g (including battery)