Multi-Function Digital Signal Level Meter

GAO Tek Inc. (www.GAOTek.com) has released its digital signal level meter specially designed for use in the maintenance of digital, analog, digital FM, dual channel measurement or bilateral networks. It performs auto channel spectrum scanning, limit testing and auto testing. This portable digital signal level meter allows direct entry of a channel or frequency and offers great flexibility in head-ends and distribution networks that employ narrow digital signals or non-standard frequency applications. It features a durable and portable design, easy keypad operation, high accuracy and quick response time. This meter belongs to GAO's CATV Meter family of products.

This handheld digital signal level meter, model 1129D, operates over a frequency range of 5 to 870 MHz. It is packed with multiple functions such as single and multi-channel testing, all-band scanning, difference-carrying measurement, automatic channel power measurement, MER (modulation error ratio) measurement, BER (bit error rate) measurement and signal-to-noise ratio (SNR, S/N) measurement. This digital signal level meter offers a bandwidth of 0.28 to 9.99 MHz and a signal level measurement range of 30 to 120 dBµV at a precision level of ±1.5 dB. It is able to analyze QAM 32 64 128/ITU-TJ.83 Annex A/B/C modulated signals and provides a spectrum analysis span of 6.25, 12.5, 25 and 62.5 MHz. PC toolbox software and constellation diagram display are provided. It communicates via an RS232 interface or a USB port for data exchange.

SOURCE: GAO Tek Inc.