
bargain
add to cart| ND9 |
| it is used to calibrate the sound level meters |
| The sound level meter calibraters has two models of ND9A, ND9B. |
| It fits for the standards of GB/ T15173, ANSIS1.40 CLASS2, IEC942. the frequency is 1000Hz. |
| The power supply is 1*9v 6f22 battery. |
| the dimension is 142*47*47mm. |
| The weight is 275g which not includes the battery. |
| The standard delivery includes: |
| main unit 1; carrying case type 1; instruction manual 1 |