Promax PROMAX-12 Cable TV Multistandard QAM Analyzer (Includes BER, MER, Constellation)
The PROMAX-12 incorporates the measurements for installation, verification and maintenance of reception and distribution systems for FM radio, MATV, CATV and MMDS, including the sub-band (return path).
PROMAX-12 is a QAM analyzer that also enables the measurement of DVB-T (COFDM) signals by installing the OP-012-O option.
Now it includes a new function to measures power level measurement over a complete frequency band, very useful for detecting saturation in the input of some broadband demodulators. PROMAX-12 is a multistantard instrument, so it can be used in any network in the world.
- FUNCTIONS: Level meter, Logger, Scan, Tilt, Spectrum analyzer, Transient detector, Cable digital analyzer
- DIGITAL MEASUREMENTS: Channel power, C/N, Bit Error Rate /Pre-BER, Post-BER), MER, DVB-QAM constellation
- ANALOGUE MEASUREMENTS: HUM, Level, C/N, C/A ratio, CSO-CTB intermodulation
- INCLUDED ACCESSORIES: Mains Power Adapter, Mains cable, Soft Carrying bag, F/F Connector Adapter, Rubber Shock Protector
- OPTIONAL ACCESSORIES: Car lighter adapter, F/BNC connector adapter, F/IEC connector adapter, Hard transport case, F/F RF cable
- COFDM MEASUREMENT OPTION: OP-012-O option
Digital Channel Power:
Just pressing a button, the channel power measurement, carrier/noise, BER and MER can be carried out. MER is an essential measurement, because it is useful to determine the digital signal quality.
The PROMAX-12 can acquire and internally store the required measurements for a later review. It also can print them or transfer the measurements to a PC.
In this mode we can see all the channels of the selected channel plan graphically represented with their associated signal levels. A MARKER can be placed on any of the channels displayed on the screen in order to find their frequency or their signal level.
The SPAN and the REFERENCE LEVEL can be changed in order to adapt the presentation to the users test requirements.
The constellation diagram allows to evaluate graphically the received signal quality, the aspect of the on screen diagram will depend on the digital transmission characteristics.
It can be essential to solve cable modem related problems and very helpful for interference and noise troubleshooting both in the forward and return bands. The HOLD function maintains MAX and MIN values: this is of great value for identifying interfering signals, for example, in the return band.
It also includes return path spectrum analyzer with max hold function for testing of the cable modem transmission at the subscriber premises, allowing to test the upstream generator of the subscriber cable modem.
The Tilt function provides a graphic and numeric representation of the absolute level of any 4 defined pilot frequencies and the difference between two of them. An interesting application is found in the return path where the PROMAX-12 together with the RP-110 Pilot Generator will permit to evaluate the frequency response in a graphical and comfortable mode.