NC-75 | Sound Calibrator
・Conforming with IEC 60942: 2003 class 1 and JIS C 1515: 2004
(Also complies with IEC 60942 Version 4 currently under revision)
・Supports calibration of RION sound level meters compliant with IEC 61672-1: 2013, JIS C 1509-1: 2005 and JIS C 1516: 2014.
・Supports calibration of RION microphones and microphones of other manufacturers meeting the size specifications of IEC 61094-4.
・Supports 1-inch, 1/2-inch, and 1/4-inch microphones
(1/4 inch with optional adapter)
■ Each product comes standard with a JCSS Calibration Certificate (sample as below pictures), demonstrating high quality.
Strap
Securely carry the unit with the supplied hand strap
Soft case
Calibration can be performed with the calibrator inserted in the soft case
Specifications (under standard ambient conditions*)
| Applicable standards | IEC 60942: 2003 class1, ANSI/ASA S1.40-2006 class1, JIS C 1515: 2004 class 1, CE marking, WEEE directive, Chinese RoHS |
| Supported microphones | Microphones made by RION and microphones made by other manufacturers that meet the IEC 61094-4 size specifications 1-inch microphones 1/2-inch microphones (with supplied adapter) 1/4-inch microphones (with optional adapter) |
| Nominal sound pressure level | 94 dB |
| Sound pressure level tolerance | Max. ±0.25 dB |
| Nominal frequency | 1 000 Hz |
| Frequency tolerance | Max. ±0.1% |
| THD | Max. 1.0 % (20 Hz to 20 kHz) |
| Dimensions and weight | Approx. 42 mm (H) x 77 mm (W) x 70 mm (D), approx. 200 g |
| Power supply | IEC LR6 (size AA) alkaline battery x 2 IEC LR6 (size AA) nickel-hydride rechargeable battery (“eneloop pro” supported) x 2 |
| Battery life | 50 hours or more (using two alkaline batteries, continuous use) 50 hours or more (using two nickel-hydride rechargeable batteries [eneloop pro], continuous use) |
| Supplied accessories | Soft case x 1, 1/2-inch microphone adapter x 1, IEC LR6 (size AA) alkaline battery x 2, hand strap x 1, JCSS Calibration Certificate x 1 |
| Optional accessories | 1/4-inch microphone adapter NC-75-S11 |
＊RION standard ambient conditions: static pressure 101.325 kPa, ambient tempera
