BTMETER BT-882C Sound Level Meter Digital Noise Tester 30-130dB

ITEM SPECIFICS: ▶ Brand Name: Btmeter ▶ Type: 2-digit Counters ▶ DIY Supplies: Electrical ▶ Model Number: HP-882C ▶ Accuracy: ±1.5dB ▶ Resolution: 0.1dB ▶ Frequency Range: 31.5Hz-8.5KHz ▶ Linearity Range: 50dB ▶ Display : 5 digital LCD ▶ Sampling Frequency: 2 time/sec ▶ Back Light: YES ▶ Auto Power Off: YES ▶ Microphone: 1/2 inch Electret Condenser microphone ▶ Battery Type: 1.5V(AAA)*2 BASIC FUNCTION: ● LED Display ● Display Backlight   ● Auto Power off   ● Max Data Hold ● Microphone SPECIFICATIONS: Measuring Range 30-130dB Accuracy ±1.5dB Frequency Response 31.5Hz-8Kz Frequency Weighting A Weighted Digital Display 4-digit, 0.1dB resolution Sampling Rate 2 times/sec Microphone 1/2 inch condenser microphone Max Hold MAX Power 2*1.5AAA Battery Battery Life About 30 Hours (alkaline batteries) Working Temperature and Humidity 0~40℃, 10-80%RH Storage Temperature and Humidity -10~60℃, 10-70%RH Weight 144g (with Battery) Dimensions 20.5*56.5*125mm   Note: Due to different shipping channels, different batches of products may not contain batteries.