Catalog excerpts
4010 Sound Calibrator Class 1 according IEC 60942 • frequencies 250 Hz and 1000 Hz • sound pressure levels 94 dB and 114 dB • microphones 1“, 1/2“ and 1/4“ • PTB Type-examination Certificate The 4010 is a sound calibrator conforming to IEC 60942 class 1 and ANSI S1.40 for the calibration and the verification of microphones and sound level meters. The combination of two sound pressure levels and two frequencies allow both level linearity and frequency linearity to be verified. Each sound calibrator is supplied with an individual calibration certificate. The reference microphone and control circuit together maintain a constant sound pressure level inside the calibration coupler and automatically adjust for changes in load volume, temperature, atmospheric pressure and relative humidity. In addition the sound calibrator measures the environmental conditions temperature, atmospheric pressure and relative humidity. Delivery with 1/2“-adapter 4010-2 in a leather case 110 mm x 60 mm x 50 mm black Accessories adapter 1/2“ adapter 1/4“
Open the catalog to page 1Technical Specifications Temperature measurement Range Accuracy Resolution Range Accuracy Resolution Range Accuracy Resolution 250 Hz (251.19±0.30Hz) 250 Hz (251.19±0.30Hz) 1000 Hz (1000.00±1.00Hz) 1000 Hz (1000.00±1.00Hz) Atmospheric pressure measurement Relative humidity measurement Levels and frequencies at reference conditions (23◦ C / 101.325kPa / 50%rh) Level in dB relative to 20µPa Distortion Stabilizing time Sensitivity to environmental conditions Microphone size without adapter with adapter 4010-2 with adapter 4010-3 2x LR03 alkaline batteries Battery type Power supply Battery life...
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