Handhold Design Limit test and Auto test Channel spectrum scanning spectrum analysis PC Toolbox Software(option)Support USB device and RS-232 connection Analog, Digital,FM and Dual channel measurement Support QAM 32 64 128/ITU-TJ.83 Annex A/B/C Channel Power, MER, BER Constel
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ST-128/128Q Signal level meter
ST-128/128Q Signal level meter The instrument adopts the all-number display, the readings on the measuring instrument are clear and precise, and owing to the introduction of the micro processing unit, therefore, it makes its functions stronger, the precision higher, operation more flexible and convenient. The large screen figure monitor is very convenient to measure the main technical targets of CATV system. It has the functions such as the single-channel, multi-channel, all-band scanning, difference-carrying measurement, signal-to-noise ratio (SNR, S/N) measurement and spectrum analysis frequency analysis etc.
Tuning range:from 5M~870MHz Tuning mode:by channels or by frequency
Level measurement Analogue channels Measurement IF bandwidth:280kHz+50kHz Input impedance:75ohm Measuring range:from 25 to 120 dBuv Accuracy:+2dB (from 0 to 400C)
Digital channels Measurement MER (modulation error ratio) measurement range:19~35dB for 64 QAM Accuracy :+2dB BER (bit error rate) measured before RS decoding measurement range:10E-2 to 10E-8 Symbol rate:1MS/S-7MS/S Modulations type:16/32/64/128/256QAM DVB-C/ITU-TJ.83-AnnexA Bandwidth:8MHz Frequency tuner:100 KHz Measuring range:from 40 to 120 dBuv Accuracy:+3dB (from 0 to 400C)
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MODEL NO
Frequency
Range
Constellation diagram
Features
Main Indexes
LCD
ST-128
46~870MHz
No
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