Quantifier 91 & 92 data logging sound meter
This data logging sound meter is a no-nonsense, practical solution for measuring vehicle noise and exhaust noise.
Simple to use meters: just switch on, calibrate and begin measuring noise levels.
This data logging sound meter is a no-nonsense, practical solution for measuring vehicle noise and exhaust noise.
Simple to use meters: just switch on, calibrate and begin measuring noise levels.
The Model 91 (Class 1) or Model 92 (Class 2) data logging sound meters are the ideal instruments to measure vehicle noise. On these models, the pre-amplifier can be removed from the instrument, connected via a cable and located next to the exhaust in the correct position. This allows the sound level meter to be read from the driver’s seat so the correct engine speed can be set for measuring vehicle exhaust noise.
Both sound meters can also be used for the risk assessment of noise levels providing time history and the measurement of all required parameters needed to comply with the Noise at Work Regulations and EU Directive 2003/10/EC.
Each data logging sound meter has been designed to be easy to use whilst providing the user with the fundamental parameters required to comply with current legislation such as Leq, LEPd and LCPeak.
All sound meters in the Quantifier range are data logging making it easy to transform your noise measurements into informative reports. Our outstanding Pulsar Analyser reporting software package is provided as standard, making the transformation of measurements into informative reports a simple task.
The ‘Analyser’ Sound Level Meter Software package is supplied as standard with the Models 91 & 92 instruments. The instruments can store data in their internal memory and this information can be downloaded and reports created using the exceptional Pulsar ‘Analyser’ download and analysis reporting software.
The Sound Level Meter Software also has a special database of hearing protectors that allows the user, at the click of a button, to have all calculations done for them automatically. A selection of hearing protection is listed and a report can be compiled.
The sound meters can be supplied as part of a complete noise measurement kit, containing all that is required to carry out a noise survey.
Outdoor noise monitoring kits are also available for the Quantifier Range enabling you to protect your meter from the climate and dust.
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Accuracy Class 1 Model 91, Model 93 & Model 95 Class 2 Model 92, Model 94 & Model 96 Applicable Standards IEC61672-1:2002 Class 1 or 2 Group X IEC 60651:2001 Type 1 or Type 2 IEC 60804:2000 Type 1 or Type 2 ANSI S1.4 with NK:70 Random Incidence Adaptor 1:1 & 1:3 Octave Filters to IEC 61260 Class 1 (where fitted) Microphone (Typically) Class 1 MK:224 pre-polarised Free-field ½ Condenser Class 2 MK:216 pre-polarised Free-field ½ Condenser Microphone Preamplifier Class 1 MV:200D Removable Preamplifier Class 2 MV:200D Integral Preamplifier Measurement Range Broadband 21dB(A) to 140dB(A) Class 1 25dB(A) to 140dB(A) Class 2 143dB(C) Peak (70dB to 140dB Range) 1:1 Octaves 19dB(Z) to 140dB(Z) 1:3 Octaves 14dB(Z) to 140dB(Z) Noise Floor (Typical) Broadband 18dB(A) Class 1, 20dB(A) Class 2 1:1 Octaves 12dB(Z) @ 1kHz 1:1 Octave Band 1:3 Octaves 7dB(Z) @ 1kHz 1:3 Octave Band Frequency Weightings Channel 1 ‘A’, ‘C’ or ‘Z’ Channel 2 ‘C’ for Peak Z weighting is a flat frequency response. When either 1:1 or 1:3 Octave Band Filters are selected the ‘Z’ weighting is used. Time Weightings ‘F’ (Fast), ‘S’ (Slow) & ‘I’ (Impulse) to IEC 61672-1:2002 Class 1 or 2
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MeasurementsBroadband Mode LAeq, LCeq or LZeq, LCpeak LAF, LAS, LAI, LCF, LCS, LCI, LZF, LZS or LZI (not stored) LAFmax, LASmax, LAImax, LCFmax, LCSmax, LCImax, LZFmax, LZSmax or LZImax LAFmin, LASmin, LAImin, LCFmin, LCSmin, LCImin, LZFmin, LZSmin, LZImin LAE, LCE or LZE, LAleq, LCleq or LZleq, LAFTeq L0.1 to L99.9 (five simultaneous user-selected values available) Date and time, 1 second Short Leq Noise Profile (LAeq, LCeq or LZeq) Filter Mode 1:1 or 1:3 filter selected Filtered LZS, LZF or LZI (not stored) Filtered LZeq (stored), LAeq, LCeq or LZeq (stored) Date and time Frequency Bands (Nominal Frequencies) 1:1 Octave Band 31Hz to 16kHz 1:3 Octave Band 25Hz to 16KHz 20Hz & 20kHz 1:3 Octave band with MO:800/6 Factory Option Memory 16Mbit memory allowing up to: 1300 broadband measurements 770 1:1 octave measurements 330 1:3 octave measurements For example, broadband mode allows 12 days of 15 minute measurements to be stored. Calibration records are automatically stored in the instrument memory. Noise Profile (LAeq, LCeq or LZeq). Short Leq (LAeq, LCeq or LZeq) Up to 12 days at 1 second acquisition with 2 second factory set option Automatic Measurements The unit can be set to record and store data over fixed times of: 1 minute 5 minutes 10 minutes 15 minutes 30 minutes 1 hour 8 hours 12 hours Display Graphical LCD with Quasi-Analogue Display Selected measurement parameter with level Warnings for Overload, Under Range Battery Level & External Power Indicators Time & Frequency Weighting Elapsed measurement time Real time short Leq (broadband mode) Graphical 1:1 and 1:3 Octave Band (recall mode only) Recalled stored measurements Measurement Range & Instrument settings |
Dimensions 340mm x 75mm x 25mm Weight 450 gms Batteries 2 x AA (LR6) Battery Life Broadband Mode typically >24 hours Environmental Temperature Operating –10oC to +50oC Storage –20oC to + 60oC Humidity Up to 95% RH Non Condensing External Connections USB Type B Data Out Multipin I/O for optional connections Outputs Unweighted AC Output via Multipin I/O Connector PU:90C recommended (Specify UK, EU or US plug type) Electromagnetic Performance IEC 61672-1:2002 IEC 61672-2:2003 Except where modified by EN 61000-6-1:2007 Output Cables Standard: ZL:100 USB to USB Optional: ZL812 AC Output Cable to Phono Cable ZL:813 RS232 Output Cable Software Pulsar Analyser download, analysis & reporting software Compatible with Windows 9x / Me / 2000 / NT / XP and Vista Ordering Codes Sound Level Meter Measurement Kit Model 91 Model 91K Model 92 Model 92K Model 93 Model 93K Model 94 Model 94K Model 95 Model 95K Model 96 Model 96K Measurement Kits Instruments can be supplied as a complete measurement kit to ensure you have all of the accessories necessary to perform your noise survey. The Quantifier noise measurement kit contains: Sound Level Meter, Acoustic Calibrator, Windshield, Hard Attache Case, Wrist Strap, Analyser Software, Download Cable, Batteries, Operating Manuals, Calibration Certificates & Extended Warranty Record.
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