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ACO 6238 精密声级计 (10Hz ~ 20kHz)

Applicable Standards:

+ JIS C1516:2014 Class 1

+ JIS C1509-1:2017 Class 1

+ IEC61672-1:2013 Class I

Measurement Range: 10Hz~20kHz

Microphone Type (Sensitivity): TYPE 7146NR (-33dB: Stand-alone -27dB)

Level range control:

+ 10dB 6 step

+ 20~80dB, 20~90dB, 20~100dB,

+ 20~110dB, 30~120dB, 40~130dB

Measurement level:

+ A:28~130dB

+ C:37~130dB

+ Z(FLAT):39~130dB

+ C peak:55~141dB

+ Z(FLAT)peak:60~141dB

Linearity Range: 100dB

Time weighting: Fast, Slow, Impulse

Frequency weighting: A, C, Z(FLAT)

Measurement time: 1s/3s/5s/10s/1min/5min/10min/15min/30min/1h/8h/12h/24h/Manual(Max. 199h59m59s)

Sampling Time: 20.8μs (Leq, Lmax, Lmin), 100ms(LN)

Data clear Function:

- Pause, and a function that deletes preceding 3 or 5 sec. data

- Memory start; Selectable Auto or Manual

Display:

- Liquid crystal and Backlight(128×64 points)

- Digital display: Display range: 4digit display

- Display cycle: display Period: 1s

- Bar display: Display Period:0.1s

- Warning:

  + Over: +3dB from upper limited scale

  + Under: -0.6dB from lower limited scale

- Battery display: Battery 5 steps display

- Date: year/month/day/hour/minute/second

Outputs:

- AC Output: φ2.5Jack

- Output: 1Vrms(FS)

- Output impedance:  600Ω

- Load impedance: more than 10kΩ

- DC Output: φ2.5Jack

- Output: 2.5V(FS), 0.25V/10dB

- Output impedance: 50Ω

- Load impedance: more than 10kΩ

RMS detection circuit: True RMS detection circuit (computing type)

Processing: Digital

Data Storage Functions:

- Sound pressure level or Processed values stored in built-in Memory or Memory card.

- Manual Storage: Sound level, Calculation value, Memory time, Store the Sampling to Built-in memory or on Memory card.

- Auto Storage:  Sampling interval 100ms, 200ms, Sound level, Leq etc.

- Processing Card: Storage of calculation results

I/O:

- Direct output to printer, control and output data to computer

- Digital output of real-time noise waveform with USB interface

Comparator Output: Comparator Function with threshold level

Battery Type:

- Four 1.5V Alkaline cells IEC type LR6, Optional AC adapter

- Battery life: Alkaline dry cell ; Approx.9hours when Switch on a back light; Approx. 1/3

- Consumption current: Approx. 150mA (When input 6V) at Calcutation OFF.

Operating temperature: Temperature:-10~50℃

Humidity:30%~90%RH (no condensation)

Size: 86(W) x 285(H) x 46(D)

Weight: Less than Approx.450g (including Batteries)

Contents:

1.Main Body

2.Memory Card(SD Card)

3.1/1 and 1/3-octave Real-time Analysis Card

4.BNC pin cord (only TYPE 6238)

5.Windscreen

6.Batteries

7.Strap

8.Instruction Manual(CD)

9.Carrying Case

Details

DATASHEET


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