| Specification |
Value |
| Class |
Class 1 (Xtester-TW408A, TW408B); Class 2 (Xtester-TW409A, TW409B) |
| Compliance |
IEC 61672-1:2013, ANSI S1.4-1983, ANSI S1.43-1997, IEC 61260-1:2014, ANSI S1.11-2004 |
| Single Range |
123 dB |
| Frequency Weighting |
A / B / C / Z |
| Time Weighting |
Fast/Slow/Impulse |
| Measurement Calculations |
3 profiles and 14 custom defined measurements with various frequency/time weighting |
| Calculations |
SPL, LEQ, Max, Min, Peak, SD, SEL, E |
| Statistical Displays |
LN statistical and time history curve display |
| Integral Period Measurement |
User-defined integral period measurement, up to 24h |
| Processor |
High-speed ARM core with FPU (Float Point Unit) for wide frequency response, large dynamic range, and low noise floor |
| Storage |
4 G MicroSD card (TF card) mass storage |
| Remote Control Port |
RS 232 remote control port |
| Printer |
Mini thermal printer for measurement data print |
| GPS Module |
Internal GPS module (optional), supports GPS timing |
