CRYSOUND CRY2832 声级计 (25dBA ~ 135 dBA; 20Hz~12.5kHz(±2dB))

Microphone

Microphone type: CRY331

Open circuit Sensitivity: 40mV/Pa(-28dB re 1 V/Pa)±2dB

Frequency range: 20Hz~12.5kHz(±2dB)

Self-generated noise level: ≤18dBA

Technical Specification

Linear Operating Range: 25dBA ~ 135 dBA

Frequency range: 20Hz~12.5kHz(±2dB)

Internal noise: ≤20dBA

Applicable standards: IEC61672-1: 2013 Class 2

Weighting filters: Frequency weighting: A, C, Z

Time constants: Time Weighting: S, F, I

Measuring Parameter: Lp, Leq,t, Lpeak, Leq,T, Lmax, Lmin, SEL, Lex8h, LAVG, TWA, DOSE, Ln(n=5, 10, 50, 90, 95), SD, E

Measurement function: Integral Measurement, Statistical Analysis, 1/1 Oct, Sound Exposure Measurement, Monitoring

Statistics: L5, L10, L50, L90, L95

Communication Interfaces: AC/DC, PWM, USB, RS232, BT, WiFi

Memory: TF card 32 GB (removable & upgradeable up to 64 GB)

Calibration

Reference Level: 94dB@1kHz/114dB@1kHz

Calibration: Sound Calibrator Class 2 or Class 1

Environment: Temperature 23°C，Pressure 101.325kPa，Humility 50% RH

Power Supply

Battery: 4*AA battery

External Power Supply: 5V USB Type C or DC

Ambient conditions for operation

Operating temperature range: -20~+60℃

Humidity range: ≤90% RH

Physical Weight: 330g (With battery)

Size: L*W*H=249x76x30.5mm

Display: 320*240, TFT Display

Operation: Button