Digital Sound 8922 All In One Bundle@+*Bundle offer comprising*, Digital Sound 8922, SPL Measuring Device, Hand device with Condenser-Microphone (spherical characteristic), Measuring range from 31.5 Hz to 8 kHz, Accuracy: +/- 1.5 dB, 6 Ranges in 10 dB-steps (30db up to 130db), A/C-weighting selectable, Max-Hold function, Display refresh (fast/slow), Can be calibrated, IEC 651 Type2 and ANSI S1.4 Type 2 measuring standards, uncertified, Large illuminated LC-Display, Including RS 232 interface, AC- and DC-Out, 9v DC, Including storage case and battery (9V, lasts approx. 20 h), Optional: Art. #237932# RS232 software CDR + PC cable, Optional: Art. #282263# USB PC cable and software CDR, Digital Sound 8930B, Portable Sound Level Calibrator, Battery-powered sound source, Battery life approx. 50 hours, Standard IEC 60942:2018 Class 2, Suitable for all sound level meters with mechanical microphone head according to IEC 61094-1 and 61094-4, Sound pressure level: 94 / 104/ 114 dB at 1 kHz, LED indication for battery level and for sound pressure level, Microphone hole: 13.2 mm, Dimensions (W x H x D): 130 x 60 x 43 mm, Weight: 0.2 kg, Includes 2 AA batteries, Compatible with Digital Sound 8922 (Art.#132900# - not included), Digital Sound Software + USB Cable, Software and Cable, Digital Sound RS232 CDR + USB PC cable for 8922 sound level meter