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Integrating Precision Sound Level Meter 6224

Integrating Precision Sound Level Meter 6224

55400 INR/Piece

Product Details:


Price And Quantity

  • 55400 INR/Piece
  • 1 Piece

Trade Information

  • 1000 Piece Per Month
  • 30 Days
  • All India

Product Description

Integrating Precision Sound Level Meter (Castle 6224)

Measuring noise really does not have to be complicated, even for the novice, and the Castle 6224 (Class 1). Integrating sound level meter is designed with this in mind.

The meter is ideally equipped for carrying out Noise at Work Risk Assessments, as well as the majority of environmental survey work. The range of parameters measured, the wide measuring capability of the meter and the ease of use, mean that this equipment is suitable for anything from aircraft noise to lawnmower design, and from construction sites to laboratories.


• Equivalent continuous level (Leq)

• 5 user selectable percentile values (Ln)

• Wide Linearity range of 90dB

• RS232 for data output to optional software

• Memory storage for 10,000 datapoints

• Back-lit LCD display


Technical Specifications


Castle 6224


Precision Integrating Sound Level Meter


Conforms with IEC 61672-1:2002, Class 1, IEC 60651:1979 and IEC 60804:2000 Type 1

Measuring ranges

27 – 130dB(A), 38 – 130dB(C), 41 – 130dB(F)

Frequency range

20Hz – 20kHz


7146N 1/2” electret condenser microphone

Time weighting


Peak range

50 – 133dB(A), 60 – 133dB(C), 70 – 133dB(F)

Level range

Six ranges: 20 – 80dB, 20 – 90dB, 20 – 100dB, 20 – 110dB,


30 – 120dB, 40 – 130dB

Linearity range


Frequency weighting


Measurement items

Lp, LMH, Leq, LAe, Lmax, Lmin, Lx (L5, L10, L50, L90, L95), Peak

Measurement time

1s, 3s, 5s, 10s, 1min, 5min, 10min, 15min, 30min, 1h, 8h, 24h manual


(max: 199h 59m 59s)

Sampling interval

20.8μs (Leq), 10ms (Lmax, Lmin)

Lx Sampling interval



LCD with backlight (128×64 dots)

Digital display

Four line, resolution 0.1dB (display update 1s)

Bar display

Display update: 0.1s


Over range: +3dB from upper limited scale


Under range: -0.6dB from lower limited scale

Battery display

Four level display of battery condition

Built-in memory

Approximately 10, 000 samples: 1, 000 sets of results

Built-in calendar

Year/month/day/ hour : minute : second


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

Calibration signal

Internal generator (1 kHz sine wave)

AC output

1Vrms (FS), output impedance: 600Ω, load impedance > 10kΩ

DC output

2.5V (FS), 0.25V/10dB, output impedance: 50Ω, load impedance > 10kΩ

RS232 interface

RS-232C (asynchronous)


data bits : 8 bits


stop bit : 1 bit


parity : none


baud rate : 4800, 9600, 19200 bps

Power supply

Four 1.5V size-AA batteries or AC adapter

Battery life

Alkaline batteries: 20 hours continuous operation. Use of LCD backlight will shorten battery life (approximately 1/3).

Operating temperature

-10 to +50°C


30% to 90% (without condensation)


85(W) × 287(H) × 46(D) mm


370g (including batteries)


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