Description
Additional Features:
- Frequency range: 50 Hz to 30 MHz
- Frequency display: LED, 85 digits (minimum step: 1 Hz)
- Measures levels to an accuracy of +/-0.1 dB
- Fast troubleshooting of voice channel problems
- 48kHz group filter
- Intrinsic distortion below -70dB
- True RMS value detection and 3.1 kHz bandwidth
- Built-in microprocessor for simple operation
- GPIB compatibility for automatic measurement
The ML422B is a Selective Level Meter which is designed for use with Bell System FDM hierarchy. The ML422B covers the wide frequency range of 50Hz to 30MHz. This remarkable instrument offers highly accurate measurements of signal levels, and it has the frequency accuracy and stability needed to manufacture and maintain FDM systems, from voice frequencies up to 3600 channels. The ML422B can also function as a wideband level meter, psophometer, or voice band analyzer.
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