Máy đo tín hiệu truyền hình cáp và RF Deviser DS2400Q là máy đo sử dụng chủ yếu cho truyền hình và truyền hình cáp và dự án bảo trì truyền hình cáp hỗ trợ QAM và tín hiệu analog .
Máy đo ,đồng hồ đo tín hiệu truyền hình cáp Deviser DS2400Q có giao diện thân thiện và hoạt động đơn giản làm việc và giải quyết các vấn đề nhanh hơn rất nhiều.
Hình ảnh thực tế DS24000Q :
Frequency | |
Frequency Range | 5 MHz to 1000 MHz |
Frequency Accuracy | ± 50 ppm (@ 20°C ±5°C) |
Frequency Resolution | 10kHz |
Channel Type | |
Analog TV | NTSC |
Digital TV | QAM 16/32/64/128/256 with constellation diagram plus QPSK and COFDM |
FM Radio | Single frequency |
Digital Channel | |
Demodulation type | Standard ITU-T J.83 Annex A/B/C |
Support | QAM 16/32/64/128/256 |
Symbol rate | 1 MS/sec to 7 MS/sec |
Bandwidth | 280 kHz to 10 MHz |
MER (Modulation Error Ratio) | 39 dB (QAM) |
Accuracy | ±2.0 dB |
BER (Bit Error Rate) | 1E-3 to 1E-8 before and after R-S decoding (QAM) |
Power measurement type | QAM, QPSK and COFDM |
Digital Channel Average Power | |
Level range | -30 dBmV to +60 dBmV |
Constellation | |
Accuracy | ±2.0 dB from 10°C to 30°C and ±3.0 dB from -10°C to 40°C |
Resolution | 0.1 dB |
Display mode | QAM 64 and QAM 256 with zoom in and zoom out capability |
Analog Level Measurement | |
Range | -35 dBmV to +60 dBmV |
Accuracy | ±1.5 dB |
Resolution | 0.1 dB |
Input impedance | 75Ω (“F” type connector) |
HUM Modulation | |
Range | 2% to 5% |
Channel Scan | |
Number of Channels | 160 channels max |
Scanning Speed | 5 channels per second |
Scale | 1, 2, 5, 10 dB/div |
Zoom | 1X, 2X, 3X, 4X, 5X five levels of magnification or full channel scan |
Frequency Spectrum | |
Bandwidth | 2.5MHz, 6.25 MHz, 12.5 MHz, 25 MHz, 62.5 MHz and full span |
Scale | 1 dB, 2 dB, 5 dB and 10 dB/div |
Tilt Measurement | |
Number of Frequencies | maximum 12 with 0.1 dB of resolution |
Limit Test Parameters | |
Minimum/Maximum Video Level | 0 dBmV to + 30 dBmV |
Minimum/Maximum Δ V/A | 10 dB to 20 dB |
Minimum/Maximum Power Level | 10 dBmV to +30 dBmV |
Minimum MER | 33 dB (varies with modulations and systems) |
Max PRE/POST BER | 1.0 E-9 |
General Specification | |
Number of programs | Maximum 7 test parameters(Auto-Test) |
Line Voltage Measurement Range | 0 V to 100 V (AC/DC) with accuracy of ±2 V |
Storage Memory | 512K byte |
Battery | 11.1V 1.6AH Lithium battery (5 hours of operation) |
Charger | AC 100V to 240V 50-60Hz; charge time approximately 3 hours |
Adaptor | RS 232C (With Serial to USB data cable included) |
Dimensions | 218mm × 95mm × 49mm |
Weight | 700g |