PCE รุ่น 322-SC43 เครื่องวัดเสียงรบกวนและเครื่องวัดเสียงพร้อมเครื่องสอบเทียบ,Noise meter&sound meter with calibrator

PCE-322A

Noise levels

Low 30 ... 80 dBMedium 50 ... 100 dBHigh 80 ... 130 dBAuto 30 ... 130 dB

Dynamic range

50 dB

Display

4-digit LCD

Resolution

0.1 dB

Accuracy

±1.4 dB

Sampling rate

2 x per second

Frequency

31.5 Hz ... 8 kHz

Storage capacity

32,700 readings

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/DCHeadphone

Data interface

USB port

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

Approx. 350 g / 0.78 lb

PCE-SC 43

Sound pressure level

94 dB, 104 dB, 114 dB

Accuracy

±0.4 dB

Class

2

Frequency

1000 Hz for A, B, C and D frequency weighting

Frequency accuracy

±1.7 %

Stabilization time

10 seconds

Total harmonic distortion  

<3 %

Environmental conditions

Temperature influences

<0.4 dB at 0 ... 40 °C / 32 ... 104 °F

Humidity influences

25 ... 90 % RH

Atmospheric pressure

<0.1 dB at 65 ... 108 kPa

Stability at <60 seconds

±0.15 dB

Stability after one year

±0.35 dB

(normal use)

Operating conditions

0 ... 40 °C / 32 ... 104 °F, <25 ... 90 % RH,

non-condensing

Storage conditions

-20 ... 50 °C / -4 ... 122 °F, <90 % RH,

non-condensing

Automatic shutdown

after 20 minutes

Power supply

2 x 1.5 V AA batteries

Battery life

ca. 50 hours

Microphone size

1/2 inch

Dimensions

60 x 130 x 37.5 mm / 2.3 x 5.1 x 1.4"

Weight

400 g / 14.1 oz