Calibrator for sound level meters

• Matching calibrator for SLM-500 and SLM-700
• Quickly adjust and test the accuracy of sound level meters
• Suitable for microphones with a Ø of 12.7 mm (1/2") and 2.54 mm (1")
• Operation via 9 V block battery or power unit (included)
• Incl. padded leatherette bag
• Funzionamento a pila/batteria ricaricabile possibile