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Factory Calibration Services

CAL+ Service from Larson Davis

Larson Davis provides calibration services for Larson Davis products to ensure those products continue to meet factory specifications. Please  contact us for more information.

Our CAL+ service is provided with all Larson Davis calibrations and includes:

  • A complete multi-point factory test
  • ISO 17025 (A2LA Accredited)
  • 10 business day turn around*
  • Free firmware upgrade to latest version when applicable
  • Labor warranty extended for one year**
  • Worn consumables*** replaced at no additional charge
  • Factory repair available if needed
  • Rush service available
  • View Summary of Services
 

How to get your Larson Davis product calibrated:

Getting a product factory calibrated at Larson Davis is easy. 

  1. Contact us at (716) 684-0001 or (888) 258-3222 to order the calibration and receive an RMA number
    1. Specify the due date to be printed on the calibration sticker
  2. Ship the product to Larson Davis and reference the RMA number
  3. Within 10 business days, the product will be returned when no repairs are needed
  4. If you need faster service, request “Rush Service” and a nominal charge will be added for a 48-hour turnaround at the factory

 Shipping address:
                    Larson Davis
                    Attn: Service Department
                    1681 West 820 North
                    Provo, UT USA 84601

* Not available for items sent to a third part for calibration, quantities greater than 10, or items requiring repair
** Requires regular annual factory calibration.  Limited to seven (7) years
*** Windscreen, O-rings, desiccants, fuses, for example

 

Larson Davis Certification Services

Audiometer Calibration

ItemProduct Calibrated and CertifiedStandard
ISO 17025
10 business day turn
Certificate
Test Report
Preamp Included
Microphone Included
CER-AEC201-AAEC201-A ear simulatorIEC 60318-1, ANSI S3.7 5.4 ✔✔✔ ✔
CER-AEC202AEC202 2cc coupler for 1/2 inch microphoneIEC 60318-5, ANSI S3.7 ✔✔✔  
CER-AEC203AEC203 2cc coupler for 1 inch microphoneIEC 60318-5, ANSI S3.7 ✔✔✔  
CER-AEC304AEC304 occluded ear simulatorIEC 60318-4 ✔✔✔  
CER-AEC304-3AEC304 and 426M11 or AECM304 and 426M15. Includes TEDSIEC 60318-4 ✔✔✔  
CER-AMC493AMC493 paired with 1 coupler (AEC100, AEC101 or AEC201)Manufacturers Spec ✔✔✔  
CER-AMC493-2AMC493 paired with 2 couplers (AEC100, AEC101 or AEC201)Manufacturers Spec ✔✔✔  
CER-SYS008Audiometer calibration sys SYS008 = base systemComponent Specs✔ [3]✔✔✔✔✔
CER-SYS009Audiometer calibration sys SYS009 = SYS008 + AMC493BComponent Specs✔ [3]✔✔✔✔✔
CER-SYS010Audiometer calibration sys SYS010 = SYS008 + AEC201-AComponent Specs✔ [3]✔✔✔✔✔
CER-SYS011Audiometer calibration sys SYS011 = SYS008 + AEC201-A + AMC493BComponent Specs✔ [3]✔✔✔✔✔
CER-SYS0144udCal system SYS014 = base systemComponent Specs✔ [3]✔✔✔✔✔
CER-SYS015AudCal system SYS015 = SYS014 + AMC493BComponent Specs✔ [3]✔✔✔✔✔
CER-SYS016AudCal system SYS016 = SYS014 + AEC201-AComponent Specs✔ [3]✔✔✔✔✔
CER‑SYS017AudCal system SYS017 = SYS014 + AEC201-A + AMC493BComponent Specs✔ [3]✔✔✔✔✔

Calibrators

ItemProduct Calibrated and CertifiedStandard
ISO 17025
10 business day turn
Certificate
Test Report
Preamp Included
Microphone Included
CER-CAL150CAL150 class 2 calibratorIEC 60942, ANSI S1.40✔✔✔✔  
CER-CAL200CAL200 class 1 calibratorIEC 60942, ANSI S1.40✔✔✔✔  
CER-CAL250CAL250 class 1 calibratorIEC 60942, ANSI S1.40✔✔✔✔  
CER-CAL291CAL291 residual intensity calibratorManufacturers Spec ✔✔✔  

Misc

ItemProduct Calibrated and CertifiedStandard
ISO 17025
10 business day turn
Certificate
Test Report
Preamp Included
Microphone Included
CER-2200C2200C, 2 channel microphone power supplyManufacturers Spec ✔✔✔  
CER-22212221 single channel microphone power supplyManufacturers Spec ✔✔✔  
CER-28002800 or 2800B single channel analyzerManufacturers Spec ✔✔✔  
CER-29002900 or 2900B dual channel analyzerManufacturers Spec ✔✔✔  
CER-3000+3000+ dual channel analyzerManufacturers Spec ✔✔✔  
CER-BAS004BAS004 tapping machineManufacturers Spec  ✔✔  
CER-HVMHVM100 human vibration meterISO 8041✔✔✔✔  
CER-HVM200HVM200 human vibration meterISO 8041✔✔✔✔  

Noise Dosimeters

ItemProduct Calibrated and CertifiedStandard
ISO 17025
10 business day turn
Certificate
Test Report
Preamp Included
Microphone Included
CER-706Spark series (703, 703P, 704, 705, 705P, 706, 706RC & ATEX versions)IEC 61252, ANSI S1.25✔✔✔✔✔✔
CER-730Spartan Model 730 or 730IS noise dosimeterIEC 61252, ANSI S1.25✔✔✔✔✔✔
CER-730BSpartan Model 730 or 730IS noise dosimeter inc. battery replacementIEC 61252, ANSI S1.25✔✔✔✔✔✔
CER-730MSpartan Model 730IS noise dosimeter including upgrade to MSHAIEC 61252, ANSI S1.25✔✔✔✔✔✔
CER-730-OBASpartan Model 730 or 730IS noise dosimeter including 1/1 octave filtersIEC 61252, ANSI S1.25 IEC 61260, ANSI S1.11✔✔✔✔✔✔

Preamplifiers

ItemProduct Calibrated and CertifiedStandard
ISO 17025
10 business day turn
Certificate
Test Report
Preamp Included
Microphone Included
CER-426A12426A12 including testing for temperature and humidity stabilityManufacturers Spec✔ [2] ✔✔✔ 
CER-PREAMPPRM422, PRM426, PRM721, PRM821, PRM831, PRMLxT1/1L/2/2L/2B, N426D01, 426A01/02/05/10/11, 426B01/02/03, 426D01, 426E01, HT426E01, PRM902Manufacturers Spec✔✔✔✔✔ 
CER-PRM2100KPRM2100K or PRM2101K including temperature & humidity testingManufacturers Spec ✔✔✔✔ 
CER-PRM2103PRM2103 Outdoor PreamplifierManufacturers Spec✔ ✔✔✔ 
CER-PRM2103-EPRM2103 including environmental testing for -40 to +70 °C rangeManufacturers Spec✔ [2] ✔✔✔✔

Sensors

ItemProduct Calibrated and CertifiedStandard
ISO 17025
10 business day turn
Certificate
Test Report
Preamp Included
Microphone Included
CER-MICAny Larson Davis or PCB microphone not listed separatelyManufacturers Spec✔ [4]✔✔✔ ✔
CER-PMIC2620PM or 2640PM pair of phase matched microphonesManufacturers Spec ✔✔✔ ✔
LD-ACS-1Single axis accelerometer from 5 Hz to upper 5% frequencyManufacturers Spec✔✔✔✔  
LD-ACS-17SEN027 & 356B41 seat pad calibration of triaxial accelerometerManufacturers Spec✔✔✔✔  
LD-ACS-1TTriaxial accelerometer from 5 Hz to upper 5% frequencyManufacturers Spec✔✔✔✔  

Sound Level Meters

ItemProduct Calibrated and CertifiedStandard
ISO 17025
10 business day turn
Certificate
Test Report
Preamp Included
Microphone Included
CER-720Model 700 type 2 sound level meterManufacturers Spec ✔✔✔✔✔
CER-721Spartan 721 or SoundExpert 721 sound level meterIEC 61672, ANSI S1.4✔✔✔✔✔✔ [1]
CER-721-ESoundExpert 721 including environmental testing from -40 to +70 °CIEC 61672, ANSI S1.4✔✔✔✔✔✔ [1]
CER-721-OBASpartan 721 or SoundExpert 721 1/1 and 1/3 octave filtersIEC 61260, ANSI S1.11✔✔✔   
CER-800BModel 800B without OPT30 filtersManufacturers Spec ✔✔✔  
CER-812Model 812 type 1 sound level meterManufacturers Spec ✔✔✔  
CER-820Model 820 type 1 environmental noise analyzerManufacturers Spec ✔✔✔  
CER-821Spartan 821 or SoundExpert 821 sound level meterIEC 61672, ANSI S1.4✔✔✔✔✔✔ [1]
CER-821-ESoundExpert 821 including environmental testing from -40 to +70 °CIEC 61672, ANSI S1.4✔✔✔✔✔✔ [1]
CER-821-OBASpartan 821 and SoundExpert 821 1/1 and 1/3 octave filtersIEC 61260, ANSI S1.11✔✔✔   
CER-824System 824 type 1 sound level meterIEC 61672, ANSI S1.4✔✔✔✔  
CER-831Model 831 or 831C class 1 sound level meterIEC 61672, ANSI S1.4✔✔✔✔✔✔ [1]
CER-831-EModel 831 or 831C inc. environmental testing from -40 to +70 °CIEC 61672, ANSI S1.4✔ [2] ✔✔✔✔
CER-831-LOWNModel 831 or 831C with 378A04 microphoneIEC 61672, ANSI S1.4✔ [3] ✔✔✔✔
CER-831-OBAModel 831 or 831C 1/1 and 1/3 octave filtersIEC 61260, ANSI S1.11✔✔✔   
CER-870BModel 870B type 1 environmental noise analyzerManufacturers Spec ✔✔✔  
CER-870B-E Model 870B with environmental testManufacturers Spec  ✔✔  
CER-DSP80DSP80 type 1 sound level meterManufacturers Spec ✔✔✔  
CER-LXT1SoundTrack LxT1 or SoundExpert class 1 sound level meterIEC 61672, ANSI S1.4✔✔✔✔✔✔ [1]
CER-LXT2SoundTrack LXT2 class 2 sound level meterIEC 61672, ANSI S1.4✔✔✔✔✔✔ [1]
CER-LXT-OBASoundTrack LxT or SoundExpert LxT 1/1 and 1/3 octave filtersIEC 61260, ANSI S1.11✔✔✔   

[1]Microphone tests are the system acoustic tests specified in IEC 61672-3 and ANSI S1.4 part 3, which does not include an electrostatic actuator (EA) sweep of the microphone.  For an EA sweep, order CER-MIC

[2]The electrical portion of the test included within the  A2LA accredited scope; environmental test results are not

[3] Partial results are ISO 17025 accredited

[4]Open circuit sensitivity only included within the A2LA accredited scope