![nc-75](http://rion-uae.com/wp-content/uploads/2017/11/nc-75_01.jpg)
・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.
![nc-75](http://rion-uae.com/wp-content/uploads/2017/11/nc-75_02.jpg)
Strap
Securely carry the unit with the supplied hand strap![nc-75](http://rion-uae.com/wp-content/uploads/2017/11/nc-75_04.jpg)
Soft case
Calibration can be performed with the calibrator inserted in the soft case![nc-75](http://rion-uae.com/wp-content/uploads/2017/11/nc-75_05.jpg)
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 |