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Castle dBAir Class 1 Handheld Environmental Noise System

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  • A comprehensive handheld system for checking environmental sound
  • Based around the powerful, smart Castle dBAir Sound Level Meter
  • Calibrator and barometer included to ensure maximum accuracy
(Ex. VAT) £2,670.00 (Inc. VAT) £3,204.00

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  • Description

    Castle dBAir Handheld Environmental Noise System

    The Castle dBAir Handheld Environmental Noise System contains the Castle dBAir Class 1 Environmental Sound Level Meter plus useful accessories which allow the user to perform accurate BS 4142 checks, boundary noise checks, construction noise monitoring and compliance testing. These accessories include a calibrator, barometer, software licence, carry case and rubber protective casing.

    The Castle dBAir Class 1 Sound Meter itself can measure sound from 20dB to 140dB across two separate 95dB linear ranges. The Class 1 microphone picks up sound frequencies between 10Hz and 20kHz with a measurement precision of 0.1dB. Frequency can be weighted to A, C and Z and response time can be set between 10ms and 24h whilst several different variables - Lspl, Leq, Lmax, Lmin, peak and percentiles - can all be measured including simultaneous measurement of two at once.

    The large internal memory of the Castle dBAir can save thousands of results and these can be automatically uploaded via Wi-Fi to the Castle Cloud online storage facility. A three-year licence for five different users is included allowing five operators with five different meters to access data from anywhere in the world almost in real time. The large colour display shows readings dynamically and allows the user to operate the meter using intuitive menus.

    A Castle GA607 Sound Level Calibrator is included. It produces two tones (94dB at 1kHz, 104dB kHz), thereby allowing an operator to check the Castle dBAir at two points in its range. It must simply be inserted into the calibrator’s 1/2” cavity in order to be accurately calibrated. A Castle GA607 electronic barometer allows the user to compensate calibration for atmospheric pressure as it measures pressure from 0 to 1300mbar.

    The Castle dBair Handheld Environmental Noise System also features a rubber case for the sound meter and a protective case for the entire system in order to facilitate work outdoors. The kit is also supplied with the standard accessories of the Castle dBAir Sound Meter including a wind muffler and USB cable. To add 1/3 octave band analysis functionality to this kit, simply click on the checkbox above.

    Castle part number: NK105 / NK106

    Key Features

    • Includes Castle dBAir Sound Level Meter
    • Measure sound from 20dB to 140dB
    • A, C, Z weighting
    • Lspl, Leq, Lmax, Lmin, peak and percentiles
    • Fast and slow response time (10ms to 24h)
    • Calibrator included
    • Barometer included
    • Protective rubber casing and carry case
  • Specification

    Castle dBAir Class 1 Environmental Sound Level Meter

    • Applicable Standards: IEC 61672-1:2013; IEC 61260-1:2014 (Where Octave Bands Fitted)
    • IEC 61252:1993 amendment 1:2000 (Where Exposure Fitted)
    • Microphone: Class 1 - ½” Pre-Polarised - Free Field (IEC) Pressure (ANSI) Sensitivity (50mV/Pa)
    • Noise Floor (Typical): ‘A’ Weighting < 16.0dB; ’C’ Weighting < 15.0dB; ‘Z’ Weighting < 25.0dB
    • Measurement Ranges: 25 - 115dB (LOW); 50 – 140dB (HIGH)
    • Frequency Weightings: A, C or Z
    • Frequency Range: 1 Hz - 20 kHz (electrical characteristics); 10 Hz - 20 kHz (including microphone)
    • Time Weighting: Slow, Fast, Impulse
    • Octave Band Analysis: Where fitted 1/1 only
    • Display: 2.4” Full Colour TFT 240x320 pixels
    • Dual Measurements: Simultaneous dual measurement with independent time and frequency weightings.
    • Measurement parameters: LSPL, LE, LEQ, LMAX, LMIN, Peak, Ltm3, Ltm5, Lday, Levening, Lnight, Ldn, Lden, NA, 10 user-definable Ln values (pre-set to: L1, L5, L10, L20, L25, L50, L75,
    • L90, L95, L90) plus LAF* for Noise act assessment.
    • Languages: English UK, English US, Chinese, French, German, Italian, Portuguese, Brazilian, Russian, Spanish, Dutch, Greek
    • Time History: Short Interval 10ms to 60m; Long Interval 1s to 24h; Smart Timer, Duration Timer or Interval Timer
    • Memory: 16GB
    • Input / Output Connection: Micro USB Type B
    • Batteries: 4 x AA (1.5V)
    • Battery Life: Up to 8 Hours continuous operation (screen settings dependent)
    • Dimensions Including Pre-Amplifier: 210mm (H) x 70mm (W) x 30mm (D)
    • Dimensions Excluding Pre-Amplifier: 145mm (H) x 70mm (W) x 30mm (D)
    • Weight: 305g
  • Supplied Accessories

    • Castle GA141E dBAir Class 1 Environmental Sound Level Meter
    • Castle GA607 Class 1 Sound Level Calibrator
    • Castle GA690 Electronic Barometer
    • Pro Account Licence for Castle Cloud (3 years, 5 users, 5 instruments)
    • Protective System Carry Case
    • dBAir Rubber Case
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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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