Second hand Norsonic 1251 Sound level calibrator class 1

Second hand Norsonic 1251 checked and calibrated.   Specification: Calibrator according to IEC 60942 class 1 and ANSI S1.40-1984 Fits für 1" und 1/2" microphones Frequency 1kHz 114dB Tolerance +/-0.2dB Power supply 9V battery Package includes :  Adaptor for 1/2" microphones, battery   Details IEC60942 (2003-01) Classification Class 1 Complies with ANSI S1.40 (1997) Yes Sound pressure level (re: 20µPa)  114.0 ± 0.2 dB Frequency  1000 Hz ± 0.2% Distortion 30 hours CE classification, EMC EN561000-6-1, EN61000-6-3 following hte provisions for the LVD- and EMC-directive Size L : 109.5 mm ; ∅ : 40 mm Weight 185 g with battery