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Idle exhaust ignition
*Working time：about 100 hours（with default brightness）
EAN: 0761272050741
Function：Two or three wire measuring ground resistance Soil resistivity
AZ8930 Sound Level Meter Calibrator Professional Noise Tester Calibrator AZ8930B Voltage Regulators Idle exhaust ignitionAZ8930 Sound Level Meter Calibrator Professional Noise Tester Calibrator AZ8930B Professional 8930 AZ Sound Level Meter Calibrator features: * Meets IEC 60942: 2018, type 2 class standard * Stay accurate even in extreme room humidity condition and high altitude places * Suitable for all sound level meter with microphone head mechanical compliant with IEC 61094 1 or IEC 61094 4, such as 23. 8 13. 2 12. 2 and 7mm * Calibration frequency at 1K Hz with
