SMART SENSOR AS844+ Digital Sound Level Meter Decibel Meter Noise Monitor DB Measuring Instrument

Feature: 1. Data storage function allows to store up to 15,000 groups of data.Connect with the computer through USB cable, which supports data record download, realtime sampling analysis, and graph & data printing. 2. Real time display the current temperature( celsius Fahrenheit switchable) and humidity. 3. 2.7in large LCD display screen, easy to read and use. 4. Wide measurement range from 30dB to 130dB, Frequency is 31.5Hz 8KHz, Resolution is 0.1dB, Accuracy is +1.5dB. 5. With A and C equivalent weighted sound pressure levels and fast and slow dynamic characteristic mode. 6. Both AC and PWM signal output are available. 7. It has low power indication, automatic and manual power off function. 8. It comes with sponge balls and a sturdy storage box. Small and light, easy to carry. 9. Suitable for checking, monitoring or controlling the sound level of individuals, families, businesses, learning, industries, etc. Specification: Condition: 100percent Brand New Item Type: Sound Level Meter Material: Plastic Color: As shown in the picture Weight: Approx.745g26.3oz Model: AS844 + Calibrated Sound Source: 94dB @ 1KHz MeasuringRange: 30130dBA 35130dBC Accuracy: +1.5dB Resolution: 0.1dB Dynamic Range: 50dB 100dB Overload Indication: OVER UNDER Frequency Weighting: Characteristics A and C. Digital Display: 312 digits Analog Bar Chart: 1dB 1 bar chart SamplingRate: 20 times sec AC Signal Output: 1 Vrms full strip grph Dynamic Characteristics: FAST SLOW Data Storage Capacity: 15000 Maximum Hold: Support Automatic Power Off: No operation after 10 minutes Microphone: 12 inch polarized capacitor Power: 3.7V lithium battery 1000mAh USB 5V Battery Life: 12 hours (continue use) Temperature Measurement Range: 045 degrees C Temperature Accuracy: + 2 degrees C Humidity Measurement Range: 1099percent RH Humidity Accuracy: +5percent RH Package List: 1 x Sound Level Meter1 x Instruction Manual1 x USB Data Cable Note: The color may be slight different due to the condition or light or different monitor.Data storage function allows to store up to 15,000 groups of data.Connect with the computer through USB cable, which supports data record download, realtime sampling analysis, and graph & data printing. Real time display the current temperature( celsius Fahrenheit switchable) and humidity. 2.7in large LCD display screen, easy to read and use. Wide measurement range from 30dB to 130dB, Frequency is 31.5Hz 8KHz, Resolution is 0.1dB, Accuracy is +1.5dB. With A and C equivalent weighted sound pressure levels and fast and slow dynamic characteristic mode.