GD300DQ TV Signal Level Meter is designed to provide features which are most widely used and favored by professionals in CATV industry at the least cost. It can be used to measure accurately the analogue channels, digital channels efficiently and effectively with high accuracy rate. Mainly it supports C/N, level, channel power measurement, voltmeter function, spectrum analysis and so on. Overall, its functions are easy to use and can be used in a wide range of applications.
Feature:
1. Accurate QAM testing: digital average power, MER, BER
2. Support multiple DVB mode: 16QAM, 32AM, 64QAM, 128QAM, 256QAM
3. Single channel/Frequency simulated power levels testing
4. Video and audio signal power levels testing
5. V/A testing, show the frequency of video and audio, field intensity and power level difference simultaneously.
6. C/N testing, slope testing
7. QAM View includes BER, MER, and constellation
Applications:
1. Cable modem analysis using Zero span mode provides accurate, in-service power and C/N measurements
2. QAM view option provides complete analysis of digital TV and forward cable modem signals
3. Find ingress fast with Field View option. Cable technicians working in the field can see the reverse path at the head-end
4. Digital QAM carrier demodulation includes 16, 32, 64, 128and 256 QAM constellation display with zoom, average digital power level, bit error rate(BER), and 22 to 39dB modulation error rate (MER).
Specifications
| Channel/Frequency Index | |
| Frequency Range | 5MHz~862MHz |
| Resolution | 10KHz |
| Measurement Bandwidth | 280KHz |
| Frequency Step | 50KHz |
| Channel Type | |
| Analog TV | TV |
| Digital TV | 16/32/64/128/256 QAM |
| Analog Power Level Testing | |
| Measuring Range | 25dBuV-120dBuV |
| Precision | ±1.5dB |
| Resolution | 0.1dB |
| Detection Method | Average value detection |
| Input Impedance | 75Ω |
| Digital Power Level Testing | |
| Measuring Range | 40dBuV-110dBuV |
| Precision | ±2.5dB |
| Voltage Testing | |
| Input Range | 0~100V (AC/DC) |
| Precision | ±2V |
| Resolution | 0.1V |
| Digital Channel | |
| Modulation Mode | Comply with DVB-C/ITU J83-A |
| QAM Mode | 16/32/64/128/256QAM |
| Symbol Rate | 1MS/S-7MS/S |
| Bandwidth | Set by user |
| MER | 19-35dB |
| BER | 1.0E-2~1.0E-8 |
| Carrier-Noise Ratio(C/N) | |
| Precision | ±2dB |
| Resolution | 0.1dB |
| Spectrum Analysis | |
| Frequency Range | 5MHz-862MHz |
| Power Levels Range | 20dBV-120dBV |
| Testing Bandwidth | 4.8, 20, 40MHz |
| Power Levels Range | 20dBV-120dBV |
| Slope Testing | |
| Number of Channels | 8 |
| Resolution | ±0.1dB |
Note: All the above mentioned technical indexes wholly represent the indoor temperature (25℃).
General Specifications:
| Audio Output | Built-in speaker |
| Power Supply | Li-ion battery (3.7V, 2,000mAh, 5V AC/DC adaptor/charger |
| Operating Time | Average 6~8 hours (fully charged) |
| Charging Time | Less than 5 hours |
| Dimension | 223*110*47mm |
| Net Weight | 0.43kg |
| Working Temperature | -10℃~+50℃ |
| Storage Temperature | -20℃~+60℃ |
| Standard Accessories: | |
| carrying bag, AC/DC adapter, battery, software, USB cable | |
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Warranty Service:
FirstFiber warrants to the purchaser that our products shall be free from defects in material and workmanship under normal use (consumables, normal tear and wear excluded) for a period of one year from the date of shipment. Any part which is determined by FirstFiber to be defective in material or workmanship shall be returned to FirstFiber or authorized service location, as FirstFiber designates and shipping costs prepaid. Defective items will be repaired or replaced at FirstFiber's option.
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CE The CE marking is a mandatory European marking for certain product groups to indicate conformity with the essential health and safety requirements set out in European. To permit the use of a CE mark on a product, proof that the item meets the relevant requirements must be documented. |
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RoHS Working in partnership with the policy lead at BERR (The Department for Business, Enterprise & Regulatory Reform), NWML is the UK Enforcement Authority for the Restriction of the Use of Certain Hazardous Substances in Electrical and Electronic Equipment Regulations 2008 (the “RoHS Regulations”). Manufacturers need to understand the requirements of the RoHS Directive to ensure that their products, and their components, comply. |
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