Testo 0554 0452

Product Highlights

• Calibrator, for regular calibration of testo 815, testo 816
• Accuracy ±0.5 dB in accordance with Class 2 to IEC 60942
• Battery type 9V block battery
• Battery life 40 h
• Frequency 1,000 Hz
• Sound pressure level 94 dB/114 dB, switchable
• Miscellaneous Also suitable for 1/2 and 1 inch microphones by other manufacturers