PCE 322ALEQ 便携式声级计/ 数码/ 数据采集功能/ 内部校准功能 (30~130 dB, 0.1 dB, ±1.4 dB)

Specification

Noise levels:

Low: 30 ... 80 dB

Medium: 50 ... 100 dB

High: 80 ... 130 dB

Auto: 30 ... 130 dB

Dynamic range: 50 dB

Display: 4-digit LCD

Resolution: 0.1 dB

Accuracy: ±1.4 dB

Display update: 2 x per second

Frequency: 31.5 Hz ... 8 kHz

Storage capacity: 32,700 readings (9 hours @ 1 second interval)

Frequency weighting: A and C

Time weighting: fast (125 ms)

slow (1 sec.)

Microphone type: Electret condenser

Functions: MIN, MAX, HOLD, ALARM

Analog output: AC/DC

Headphone

Data interface: USB

Automatic shutdown: after 15 minutes inactivity

Operating conditions: 0 ... +40 °C / +32 ... +104 °F, < 90 % RH

Storage conditions: -10 ... +60 °C / +14 ... +140 °F, 10 ... 75 % RH

Power supply: 9 V block battery (for approx. 30 h continuous operation); AC power

Dimensions: 280 x 95 x 45 mm / 11.02 x 3.74 x 1.77"

Weight: ca. 350 g / 0.78 lb

Standards: IEC 61672-1 (Class II)

Delivery contents

1 x SPL Meter PCE-322ALEQ

1 x PCE-SOFT-LEQ software (LEQ calculation) + manual

1 x Wind noise suppressor

1 x Interface cable

1 x Mini tripod

1 x Calibration screwdriver

1 x Battery

1 x Power adapter

1 x Carrying case

1 x Operation manual