WY2221/A Video Millivolt MeterDetailed product description：

The input circuit of WY2221/A video millivolt meter adopts low-noise field-effect transistor, which makes the whole machine highly sensitive, reliable, and stable in performance. Adopting an electronic control switch for comfortable hand feel.

Characteristics:
1. Voltage measurement range: 100 μ V~100V, divided into 12 ranges of 300 μ V~300V (WY2221A)
2-level measurement range: -90dBm to+42dBm (0dB=0.775V) -80dBm to+52dBm (WY2221A)
Frequency response range: 10Hz~10MHz
Basic error:<3%
Frequency response error: 5% to 10% (segmented)
6 Input Impedance: ≥ 1M Ω, 40PF
7. Dimensions: 210 × 140 × 245 (mm)
8 Weight: Approximately 2.5kg