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Castle Class 1 Industrial Risk Assessment/Environmental Sound System

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  • An ideal set for handheld risk assessment and environmental noise monitoring
  • Measure sound from 27dB to 130dB across six overlapping linear ranges
  • Calibrator and electronic barometer help ensure greater accuracy
(Ex. VAT) £2,245.00 (Inc. VAT) £2,694.00
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  • Description

    Castle Class 1 Industrial Risk Assessment/Environmental Sound System

    The Castle Class 1 Industrial Risk Assessment/Environmental Sound System uses the high-tech Castle GA6224 Class 1 Sound Level Meter plus useful accessories including a calibrator, barometer, and data management software package. The Castle GA6224 can measure sound levels between 27dB and 130dB over six separate ranges with Class 1 level accuracy and a precision of 0.1dB.

    A wide frequency range of 20Hz to 20kHz allows the Castle GA6224 to capture sound across the human hearing spectrum whilst the choice of A, C or Flat frequency provides the user with greater choice. Several different measurement parameters can be assessed including Leq, Lmax, personal exposure, peak noise and percentile measurement which is ideal for environmental monitoring.

    The Castle GA6224 has a large internal memory with enough room for 10,000 separate data points. Information can be recalled to the screen in a graphical format or downloaded to a PC using the RS232 cable. Data management software and an interface cable are supplied as standard thus facilitating data transfer and allowing further analysis and reporting.

    A Castle GA607 Class 1 Sound Level Calibrator is included as standard with the kit in order to ensure the accuracy of the sound level meter. The calibrator produces 1kHz tones at 94dB and 104dB so the meter can be checked out two points in its range. The system’s Castle GA690 Electronic Barometer can measure between 0 and 1300mbar which allows the user to adjust for atmospheric pressure.

    All the components of the Castle Class 1 Risk System are supplied in a handy carry case which both stores and protects its contents. The system constitutes an excellent option for handheld monitoring.

    Castle part number: NK002C

    Key Features

    • Min. reading: 27dB
    • Max. reading: 130dB
    • Class 1 accuracy
    • Six 90dB linear ranges
    • Multiple parameters incl. percentiles
    • 10,000-reading memory
    • Downloadable via RS232 cable
    • Software package included
    • Calibrator & barometer ensure accuracy
    • Useful hard carry case
  • Specification

    • Standards: 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 to 20kHz
    • Microphone: 7146N 1/2” electret condenser microphone
Time weighting: FAST, SLOW, IMPULSE
    • Peak range: 50 – 133dB(A), 60 – 133dB(C), 70 – 133dB(F)
    • 
Level range: 20 – 80dB, 20 – 90dB, 20 – 100dB, 20 – 110dB, 30 – 120dB, 40 – 130dB (six ranges)
    • 
Linearity range: 90dB
    • Frequency weighting: A, C, FLAT
    • 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: 100ms
    • Display: LCD with backlight (128×64 dots)
    • Digital display: Four line, resolution 0.1dB (display update 1s)
    • Bar display: Display update 0.1s
    • Warning: Over range: +3dB from upper limited scale / Under range: -0.6dB from lower limited scale
    • Battery display: Four level display of battery condition
    • Inbuilt memory: Approximately 10, 000 samples: 1, 000 sets of results 
    • Inbuilt calendar: Year/month/day/ hour : minute : second

    • Pause: 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 AA batteries or AC adaptor
    • Battery life: 20 hours (without screen backlight)
    • Operating temperature: -10˚C to 50˚C
    • Humidity: 30% to 90% (without condensation)
    • Size: 85mm x 287mm x 46mm
    • Weight: 370g

  • Supplied Accessories

    • Castle GA6224 Class 1 Sound Level Meter
    • Castle GA607 Class 1 Sound Level Calibrator
    • Castle GA690 Electronic Barometer
    • Data management software package
    • Data transfer cable
    • Carry case
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  • Delivery Information

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    • Saturday Pre-Noon Delivery (on select products only) at £14.50*
    • Sunday Pre-Noon Delivery (on select products only) at £14.50*

    *UK mainland only

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