★Description
DAYTAI Signal level meter,Suitable for Anolog Signal,HT8551 AND HT8553 Signal Analyzer is specially designed and manufactured for CATV system installation and testing. It's a portable instrument, easy to carry with many functions .This instrument can test CATV signal level both at channel and frequency mode. At SCAN mode, it can scan all channels and store signal level. At spectrum mode, it can carry out spectrum display and test for a certain frequency range. Also it can measure CATV TILT,C/N, trunk cable Vo1tage, etc. The big LCD clear1y displays all testing results. It especially fit for CATV station as a professional measurement instrument.HT8553 can measure DVB-C digital signal features: average peak power, MER, BER, C/N, EVM, constellation diagram.(HT8551 without EVM and can not display constellation diagram)
★Product Performance
| Specifications CATV Cable TV RF Digital Signal Level Meter DB Tester |
| Frequency Range |
46MHz~870MHz |
| Frequency Resolution |
10KHz |
| Frequency Accuracy |
±1010-6 |
| Average Power |
35dBμV~115dBμV |
| Power Resolution |
0.1dB |
| Power Accuracy |
±2.0dB(under room temperature) |
| Input impedance |
75Ω |
| MER |
22~39dB |
| MER Accuracy |
±2dB |
| EVM |
√ |
| BER |
1E-4~1E-8(after RS) |
| Modulation |
16/32/64/128/256QAM |
| Constellation Diagram |
√ |
Audited Supplier 
Audited Supplier 
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