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LM-828B CATV Cable TV signal Lever RF dB Meter
Specially for CATV system installation and testing
LM-828B Signal level meter is specially designed and manufactured for CATV system installation and testing. It's a portable instrument, easy to carry with many functions.
It can test CATV signal level both at channel and frequency mode. Also it can measure CATV TILT, C/N, trunk cable Voltage, etc. The big character TN LCD clearly displays all testing results. It especial1ly fit for CATV station as a professional measurement instrument. It can input channel or frequency directly by digital key. it can display 2 channels at the same time.
Frequency and Level | |
Frequency Range | 46 ~ 870MHz |
Resolution Bandwidth | 280KHz ± 50KHz |
Channels | All user Channels |
Level Range | 30dBμV ~ 115dBμV |
Accuracy | ±1.5dBuV(under room temperature) |
±2.5dBuV(-10oC ~ +50oC) | |
Input Impedance | 75Ω (BNC or F connector) |
Wave Detection | Peak value |
Auto Scan Testing (it has no such function under this version) | |
Max Channel Scan | 125 Channels |
Scan Range | All Channels within 46 ~ 870MHz |
Scan Speed | 30 Channels/Min |
Memory Groups | 14 Groups(00 ~ 13) Each group store Max 100 Channels |
Voltage | |
Voltage Range | 0 ~ 100VAC |
Accuracy | ±1.5V |
Resolution | 0.1V |
C/N (only for reference) | |
Level Range | 80dBuV ~ 105dBuV |
Others | |
Dimension | 215mm x 95mm x 47mm |
Weight | 550g (without charger) |
Working Temperature | -10oC ~ +40oC |
Display LCD | 16x2 LCD with back light |
Power | DC Supply DC 7.2V/1.6Ah rechargeable battery |
AC Supply AC 220V/50Hz±10% | |
Battery Working Hours | longer than 4.5 hours at continuous working mode |
Recharging Hours | 12 ~ 14 hours. |
Accessories | |
Battery Charger charger | 1pc |
RF Input connector | F type 2pcs |
User Manual | 1 copy |
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