Specifications
| microphone | 1/2 condenser microphone with 31 integral cable |
| display | liquid crystal display |
| Measurement range | 60 - 130:60 - 130dB (A and C); 70 - 140:70 - 140dB (A and C); (linear indicator range at 4kHz) |
| Peak range | 60- 130:93 - 133dB peaks; 70- 140:103- 143dB peaks; (C-Weighted or linear peaks above 40dB at the top of each Measurement range) |
| Frequency Weighting | RMS Detector: A or C; Peak Detector: C or Z (linear) |
| time Weighting | Fast and Slow (RMS Detector) |
| conversion rate | 3, 4, 5 or 6dB |
| Stabilization time | 10 seconds from power on |
| Threshold and standard levels (Predefined settings within the installation depending on the application criteria.) | User-defined settings are in the following ranges: Threshold Level: 70 - 90dB 1dB per step Standard Level: 80, 84, 85 or 90dB |
| Overload indication | Measurement range MAX Maximum 0.1dB |
| Below range indication | Measurement range MIN Minimum 1dB |
| High Level Detector | 115dB |
| Keyboard lock | Lock and unlock by key combination: up arrow and right arrow lock; left arrow and down arrow unlock |
| alarm clock | Real-time alarm clock with calendar |
| Memory | 50 measurement results can be stored for later viewing and downloading |
| Timer | Up to 16 Timers can be set (Automatic start and stop, Maximum Measurement time can be set by one month) Timer control On/Off: Set by PC software or instrument keyboard |
| record | Measurement parameters can be recorded |
| recording Capacity | 120,000 values can be stored at any time |
| settings | Includes eight built-in (predefined) default settings; nine user-defined settings can also be stored |
| output interface | USB interface |
| Power | 4 AA batteries |
Packing list
Host * 1, Split Sensors * 1, Carrying Case * 1, Instruction Manual * 1
After-sales instructions
Warranty days: 365 days
1. For product quality problems caused by non-human products of instruments and equipment, the manufacturer will provide free warranty services during the warranty period;
2.Instruments and equipmentPackage return and exchange within one month
[Note] For after-sales services outside the Chinese mainland, if the instrument requires repair, the shipping and possible associated taxes shall be borne by the sender. Generation address of the manual: http://en.nbchao.com/p/44107/Specification.html , which is only used by users who purchase commodities from the NBCHAO.