Sound Calibrators

The CAL73 sound level calibrator is used to calibrate sound level meters and other sound measurement equipment. You can calibrate 1 inch diameter microphones directly and 1/2 inch microphones using 1/2 inch adaptor supplied with the calibrator. ...more

1kHz Professional Calibrator for 0.5" or 1.0" Microphones. Calibrates and verifies Sound Level Meter operation. Level position to select 94dB or 114dB. ...more

1kHz Professional Calibrator for 0.5" or 1.0" Microphones. Calibrates and verifies Sound Level Meter operation. 1kHz sine wave at 94dB is generated to an accuracy of 5% (frequency) and ±0.8dB. ...more

Two fixed output levels of 94dB and 114dB. Output frequency of 1000Hz. Fits 1/4", 1/2" and 1" microphones. ...more

1000 Hz +/- 1%. Distortion Less than 2% THD. 0 dB Reference Point for: A, B, C, D Weighting. 94 dBSPL = 1 Pa Accuracy - Meets IEC60942:2003 Class 1. +/-0.3 dB @ 23 C° +/-0.5 dB 0 to 50 C°. ...more

Two fixed output levels of 94dB and 114dB - Output frequency of 1000Hz - Fits 1/4", 1/2" and 1" microphones -Easy One handed operation - CE, Conforms to ANSI SI.40  1984 and IEC942 1988 Class 2 - Accessories included are carrying case, 9V battery, 1/2" and 1/4" microphone adapter and instruction manual ...more

1000 Hz. 0 dB Reference Point for: A, B, C, D Weighting. 2 Output Levels - Permits Range testing. 94 dBSPL = 1 Pa 104 dBSPL. Accuracy - Meets IEC942. +/-0.3 dB @ 23 C° Type 1L. +/-0.5 dB 0 to 50 C°. ...more

Large LCD display, Main functions are designed to meet IEC651 type 2. A&C weighing 30 to 130dB, Time weighting-Fast-t=200ms, Slow-t=500ms. Frequency 31.5 to 8,000 Hz. Electronic condenser microphone. Max hold, AC output, DC output impedance ? 600ohm. Ideal for exhaust monitoring applications. Comes complete with padded carry case. MM-SC941 ...more

The Intensity Coupler Type 51AB is a coupler for calibrating the phase response of microphone pairs used for measuring sound intensity, e.g. the Type 40AI and Type 40BI. It includes a calibrated acoustic resitance to enable the computation of particle velocity and intensity levels. The Type 51AB complies with the standards of IEC 1043. ...more

Calibration sound source for microphones and sound measuring systems. Sound pressure level: 94 dB (1 Pa). Frequency: 1000 Hz. ...more

Simpson's sound level meters come in two different versions to handle virtually any noise measurement requirement: the Model 884-2 with an "A" weighted scale for simple measurements and the Model 886-2 with a choice of fast or slow response and "A", "B" or "C" weighting. All three models have output jack ...more

Specifically intended for Tenma #72-6635 and #72-860 Sound Level Meters, this precision calibrator is compatible with any instrument with a 1/2" diameter mic element housing. Essential for maintaining the accuracy of any portable sound level meter, this unit generates a precise 1KHz tone, at exactly 94dB. Single slide switch provides on/o ...more

Designed for conducting personal noise surveys, the 897 Dosimeter is versatile enough for the experienced hygienist but simple enough for the novice technician. The data storage feature allows you to view reports on the computer or print them for use later during inspections. Purchase the 897 by itself or in the SMS-2 kit with all of the relev ...more

Simpson's sound level meters come in two different versions to handle virtually any noise measurement requirement: the Model 884-2 with an "A" weighted scale for simple measurements and the Model 886-2 with a choice of fast or slow response and "A", "B" or "C" weighting. All three models have output jack ...more

Allows calibration of 1-inch and 1/2-inch microphones. No need for atmospheric pressure compensation. Frequency 1 kHz, SPL 94 dB. ...more

Conform to ANSL S1.4-1984/EC 942 1998 class 2. Calibration level of 94 dB, 1 KHz. Fits 1", 1/2",1/4" Diameter Microphone. Low battery indication. Auto power off. ...more

Sound level calibrator. Frequency Range: 1000Hz Frequency Accuracy: 5% Sound Pressure Level Range: 94dB Sound Pressure Level Accuracy: 0.8dB Distortion: 2% ...more

The Trig-Tek, Inc. Model 402H Microphone Calibrator is a portable, self contained, high intensity acoustic microphone calibration source. Its portable hand held sound transducer combined with a 25 foot cable allows access to permanetly mounted or remotely located transducers. Its portable carrying case is modified to provide storage of all ext ...more

The CB-5 calibrator is a user-friendly, portable instrument. It is specially designed to check sound level meters and sound dose meters on the measurement site. The CB-5 is adequate for Type 1 sound level meter verification at a specified temperature and also for verify Type 2 and Type 3 sound level meters.  ...more

Conforms to ANSI S1.40 and IEC942 Class 2. Portable, easy-to-operate. Maintain Sound Level Meters and Dosimeters accuracy in the field. Sound pressure output at 114dB and 94dB at 1KHz. Accuracy ± 0.5dB @ reference  ...more

The sound intensity calibrator Nor1254 is a applicable for residual intensity testing, sound intensity level calibration and particle velocity calibration as specified in EN IEC 61043 Electroacoustics - Instruments for the measurements of sound intensity - Measurements with pairs of pressure sensing microphones.  ...more

The calibration system Nor1504A is capable of calibrating virtually any type of sound measuring instruments, sound calibrators and microphones commercially available, provided that they have been designed in accordance with applicable international standards. Hence, the system is by no means limited to Norsonic products alone. ...more

The model 402PSI Microphone Calibrator is designed to provide calibration of high intensity microphones and pressure transducer. The 402PSI Is housed in a portable carrying case. The Model 402PSI Microphone Calibrator is capable of delivering sound pressure levels from 0.1 to 1.0 PSI in 0.1 PSI increments and is accurate to 5%. ...more

The Larson Davis Model CAL200 is a Class 1 microphone calibrator intended for the Larson Davis 1/2" or 1/4" diameter microphones. The CAL200 provides a choice of calibration sound pressure levels, 94.0 and 114.0 dB (switch selectable) at a frequency of 1 kHz.  ...more

The Larson Davis Model CAL150 is a precise microphone calibrator intended for the 3/8" diameter microphones typically used on the, SoundTrack Lxt class 2, Model 700, 710, 712, and 720 SLM/Dosimeters and the Model 705 Noise Badge. The CAL150 provides a choice of calibration sound pressure levels, 94.0 and 114.0 dB (switch selectable) at a f ...more