CATV号一级米(无线电信号的水平仪,dB

CATV Signal Level Meter (RF Signal Level Meter, dB Meter): Portable instrument with functions for CATV system installation and testing. Model No.: LM-8385 LM-8385 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 Voltage, etc. The big LCD clearly displays all testing results. It especially fit for CATV station as a professional measurement instrument. At TILT mode it can be set 7 channels and this instrument can store 24 groups (100 channels per group). It can connect with the power software that made by our company and the software can running in the Windows9X or WindowsNT. it have lots of menu of setup. the menu include: Auto off time setup; level unit setup; frequency step; TILT channel setup; channel amend; channel plan select; channel edit; channel sort; operator, etc. Specifications: Frequency and Level Frequency Range:5 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 Max Channel Scan:125 Channels Scan Range:All Channels within 5 870MHz Scan Speed:30 Channels/Min Memory Groups:23 Groups(00 22) 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:610g (without charger) Working Temperature: - 10oC +40oC Display LCD:128x64 matrix 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 Chargercharger: 1pc RF Input connector:F type 2pcs User Manual: 1 copy