Products CATV Accessories

Digital Signal Meter

Product Overview:

Analog signal measurements are addressed with standard features like RF signal level, full scan, TILT, in-service C/N, A/V, and FCC compliant auto-testing. The Digital Signal Level Meter is designed to provide ideal solution for cable TV network, to ensure that on-site technicians are fully equipped with the optimal equipment they need to make rapid and accurate analysis.


Specifications

Digital Power (Channel Power) Measurement
Signal Types: QPSK, QAM, COMDF, random waveform
Accuracy: ±2 dB (0℃~40℃)
Resolution: 0.1dB

QAM Analysis

Modulations type: 16/32/64/128/256QAM DVB-C; ITU-TJ.83-AnnexA/AnnexB
Symbol Rate: 1.00Mbps ~7.00Mbps
Bandwidth: 6MHz~10MHz
Frequency tuner: 50 KHz
MER measurement range: 19~38dB±2dB
BER Pre/post FEC measurement range: 10E-2 to 10E-9

Frequency

Range: 5MHz—870MHz
Accuracy: ± 50ppm (20°C ± 5 °C)
Resolution: 10kHz

Level Measurement

Range: 20dBuV—120dBuV
Accuracy: LEVEL (> 35dBuV) ±1.5dB (10°C to 30°C)
SCAN ±2dB (10°C to 30°C)
Resolution: 0.1dB
Input Impedance: 75ohm (unbalanced, BNC or F type connector)
Wave detection: peak value

Channel Scan:

Number of Channels: 200 channels max.
Scanning speed: 4 channels / sec
Zoom: 1X, 2X, 4X three levels of magnification or full Channel Plan scan.
Memory: 100 Groups, each group store Max 200 Channels.

Spectrum Analysis

Bandwidth: Ranging between 10MHz, 25MHz, 50MHz, and full span.

Carrier-Noise Ratio (C/N)

Input range: 70dBuV—105dBuV
Accuracy: ±2dB Resolution: 0.1dB

Digital Channel (Average) Power

Bandwidth: 0~9MHz
Center Frequency: 5MHz to 870MHz
Digital modulation: QAM, QPSK

Tilt measurement

Number of channels: 5~12
Resolution: 0.1dB

Trunk Voltage measurement

Input range: 0-100VAC
Accuracy: ± 1.5V Resolution 0.1V

Others

Channel Plan
Number of Channels: 200 channels max.
Number of Learned Channel Plan: 10 max, including 2 users defined.

Audio Output:

Built-in speaker

Dimensions:

210mm X 95mm X 50mm

Gross Weight:

1.4kg Net Weight: 0.60kg

Display:

320 X 240 Color LCD with backlight

Power Supply:

Battery: 7.2V 1.6AH Ni-MH battery,
Charger: AC 100V-240V/50Hz

Working Time: Average 4-7 hours (full charged battery).
Charging Time: 5-10hrs.