Cirrus - Instrumentcompaniet AS
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1. Deaf Defier software and therefore sufficient hard disk space must be available for the storage of these files The Deaf Defier for Windows software also incorporates a database of hearing protection products such as ear plugs and muffs This database is used by the software to calculate the noise exposure of the wearer and the maximum possible protection provided by each product The defender data can be edited and updated at any time and new information added as required Note that this feature is only available when 1 1 octave band data has been downloaded and therefore is only provided by instruments that have been fitted with this filter option Although example data is provided with the software Cirrus Research plc accept no responsibility for any misuse or misinterpretation of measurements given Always consult the supplier of the hearing defenders to ensure correct use CR 800A Sound Level Meter Specifications Pricelist amp O rdering Information re Page 6 Friday August 04 2000 R i rrus Research plc CR 800A Sound Level Meter Order Form Item Description Unit Cost Total CR 800A Sound Level Meter MO 800 2 Upgrade to 1 1 Octave Band Filters MO 800 3 Upgrade to 1 1 amp 1 3 Octave Band Filters MO 800 5 Remote Preamplifier for Type 2 Instruments CK 801 Measurement Kit Type 2 Broadband Only CK 802 Measurement Kit Type 2 with 1 1 Octave Filters CK 803 Measurement Kit Type 1 with 1 1 Octave Filters CK 804 M2. EC 60804 1985 Type 1 or Type 2 IEC 61672 1999 Class 1 or 2 IEC 61260 Class 1 MK 224 pre polarized Free field 1 2 Condenser Microphone 5Hz 16kHz 2dB MK 216 pre polarized Free field 1 2 Condenser Microphone 50mvV Pa 30dB re 1V per Pa 18pF MV 200C ZL 202 2m ZL 205 5m ZL 210 10m ZL 220 20m to IEC 60651 1979 Type 1 I or Type 2 A Cc or Z C Z weighting is a flat frequency response of 10Hz 20kHz 1 5dB excluding microphone response When filters are selected the Z weighting is used Amplitude Weighting CR 800A Sound Level Meter Specifications Pricelist amp O rdering Information re Page 3 Friday August 04 2000 C i rrus Q 3 True Energy Integration Measurement Range Broadband 21dB A to 140dB A Type 1 30dB A to 140dB A Type 2 143dB C Peak 80 to 140dB Range 1 1 Octave Band Filters 19dB Z to 140dB Z 1 3 Octave Band Filters 14dB Z to 140dB Z Range Steps 20 80 30 90 40 100 50 110 60 120 70 130 80 140 Noise Floor Broadband 18dB A Type 1 25dB A Type 2 1 1 Octave Band Filters 12dB Z 1kHz 1 1 Octave Band 1 3 Octave Band Filters 7dB Z 1kHz 1 3 Octave Band Available Measurements The following metrics can be displayed for a recorded session and stored Broadband Mode Lcpeak Lar Las Lar Lce Les Lc LzrF Lzs or Lz not stored LaFmax Lasmax Lat max LcFmax Lcsmax Le max LzFmax Lzsmax or Lz max Laeq Lceq or LZeq Lae Lce Or Lze
3. Lategs Lcieq OF Lzieq Larteq Lo 1 to Lo9 9 Six simultaneous user selected values available Run time to resolution of 1sec up to 100 days Date and time 1 second Short Leg Time History Filter mode 1 1 or 1 3 filter selected Selected frequency Filtered Lzs Lzr or Lz not stored Filtered Lzeq Laeq Leeq LZeq Run time to resolution of 1sec up to 100 days Date and time Memory 128K of memory that allows storage of data sessions as follows Up to 270 sets of data in broadband mode Up to 160 sets of data in octave filter mode Up to 70 sets of data in third octave mode Up to 252 000 1 second Time History samples Or pro rata storage for mixed measurements 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 User defined period CR 800A Sound Level Meter Specifications Pricelist amp O rdering Information re Page 4 Friday August 04 2000 C i rrus Automatic repeat of Broadband Measurements from 2 to 99 measurements When filter mode is selected the CR 800A will sweep between the filter bands and store the scanned data The unit will default to a minimum of one minute sweep for octave and three minutes for third octave if lower run times are selected Dimensions 255mm x 75mm x 25mm Display 2 x 16 Character LCD with optional backlight Weight 450 gms Power 2 x Alkaline LR6 AA Battery Life Broadband
4. Typically 26 hours Filter Mode Typically 14 hours Battery voltage is continuously monitored and warning is given on display of impending low battery condition When batteries approach end of life the unit will store any data required and switch off automatically Environmental Temperature Operating 10 C to 50 C Storage 20 C to 55 C External Connection RS232 Communications 8 pin mini Din socket with supplied ZL 800A Cable Optional AC out Weighted by the channel 2 selected weighting Range adjusted DC out DC rms signal of the above with time constant as selected AC amp DC Outputs should be loaded by an impedance exceeding 10kohm Power 3v to 5v DC 40mA to 70mA 5v input 1 3mm coxial socket Software Support Deaf Defier2 for Windows System Requirements The Deaf Defier for Windows requires the following Microsoft Windows95 or later CD ROM VGA or higher resolution monitor Super VGA Recommended Microsoft compatible mouse or pointing device Downloading Data To download data from a CR 800A Sound Level Meter the PC must have available a free 9 Pin CR 800A Sound Level M eter Specifications Pricelist amp O rdering Information re Page 5 Friday August 04 2000 C i rrus RS232 Communications port that is not used by any other program Deaf Defier for Windows requires data files that have been downloaded from a Cirrus Research plc CR 800A Sound Level Meter Large amounts of data may be created by the
5. easurement Kit Type 1 with 1 1 amp 1 3 Octave Filters CK 805 Measurement Kit Type 1 Broadband Only CK 806 Measurement Kit Type 2 with 1 1 amp 1 3 Octave Filters Notes Sub Total Type 2 Instruments need the MO 800 5 Option to allow microphone extension cables to be fitted Carriage See page 1 for the contents of the measurement kits CR 800A Sound Level Meter Specifications Pricelist amp Ordering Information
6. re Page 1 Friday August 04 2000 C i rrus Research plc CR 800A Sound Level Meter Specifications amp Ordering Information August 2000 Please note that the information contains referes to Version 2 of the CR 800A Sound Level Meter For details of v1 07 please contact your local representative CR 800A Sound Level Meter Specifications Pricelist amp O rdering Information Page 2 Friday August 04 2000 Cirrus Research plc CR 800A Sound Level Meter Specifications The information contained in this document is in addition to that supplied in the CR 800A Sound Level Meter datasheet and the CR 800A Sound Level Meter User Manual For full specifications and performance information please refer to the CR 800A Sound Level Meter User Manual Please contact Cirrus Research plc for further information In order to take account of a policy of continual development Cirrus Research plc reseves the right to change any of the information contained in this or any other document without prior notice Specifications Standardisation Sound level meter Integrating Averaging Sound Level Meter Combined standard 1 1 amp 1 3 Octave Band Filters Microphone Type 1 Frequency range Type 2 Nominal sensitivity Capacitance Microphone Preamplifier Type Extension cables Time Weightings F Fast S Slow I Impulse Frequency Weightings Channel 1 Channel 2 IEC 60651 1979 Type 11 or Type 2 I
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