This digital noise tester is applicable for testing telephone noise
in program controlled switch boards.

Specifications:
1) DC voltage test scope: ?100V
2) Total testing scope: 0.1V
3) Precision: ? 0.5%
4) Lithium battery: 7.2V, 600MAh
5) Operative temperature: 0 ? 40 oC
6) Storage temperature: -20 ? 70oC
7) Relative humidity: ?85%
8) Product dimensions: 184 x 86 x 55mm
9) Weight: 450g (including battery)

Test scope:
1) 0 - 95dBm / 0.025 - 780mV
2) Resolving power: 1dB at 0 - 60dBm, 1dB at 60 - 90dBm
3) Precision: ? 1dB (0 - 60dBm), ? 3dB (-60 - 90dBm)

Test type:
1) Real validity, wave filter, noise discharge separation
2) Impedance: 600? and 1 + i-Z DC block 100V DC
3) Display resolving power: 0.01mV
4) Auto alarm function: when measured values ?51dBm / 2mV t