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The CT-DLM870D is a handheld signal level meter is designed to provide the most valuable features at reduced cost. It performs fast and efficiently to take carrier amplitude measurements. It can also take the direct power measurement of DVB signals. This unit simultaneously displays video carrier, audio carrier strength, V/A measurements, Tilt measurement, C/N measurement and Trunk voltage measurement.
- Cable Length: 6 ft
- Trunk voltage measurement
- Large 2 5/8” x 1 3/4” dot matrix LCD display with back light
- Battery powered handheld model with internal NiMH battery and included charger
- Rugged, compact and mobile rubber jacketed housing
- Up to 8 hours of battery life
- Direct input by frequency from 5 MHz - 870 Mhz
- Direct input by channel number
- DVB average power measurement.
- Measures QAM 16/32/64/128/256, DVB-C, BER & MER
- Simultaneously displays video carrier and audio carrier strength, and V/A measurement
- Switchable between dBmV and dBμV
- Tilt measurement of three user definable channels
- Carrier-to-noise ratio measurement
This unit is perfect for balancing digital QAM and analog headend systems, reading digital off air signal levels, troubleshooting RF distribution systems and taking measurements at individual drops. With the ability to read individual audio and video carriers along with line voltage and carrier to noise levels, the CT-DLM870D is perfect for all levels of installers and technicians.
The full-scan option and spectrum option
provide the ability to view the carrier amplitude in a full-span display and spectrum
analysis. The new digital analysis option adds digital signal testing that includes
Bit Error Rate (BER) and Modulation Error Rate (MER). The internal high volume
NiMH battery supports up to 5 hours of continuous use after a full charge. This
unit is durable and simple to use in a wide range of conditions. The tough
plastic housing makes this unit highly resistant to damage from shock and impact.
The CT-DLM870D has a 2 5/8” x 1 3/4” enlarged color LCD and the new screen
graphics enhance readability and simplify operations.
5 MHz - 870 MHz
Resolution: 10 KHz
Analog TV: NTSC
Digital TV: QAM, QPSK
FM channel: Single
25 dBuV - 120 dBuV
Input Impedance: 75 Ohm
Wave detection: Peak
type: 16/32/64/128/256 QAM DVB-C; ITU-TJ.83-AnnexA/AnnexB
1.00 Mbps ~7.00 Mbps
MER measurement range: 19~38dB±2dB
BER Pre/post FEC
measurement range: 10E-2 to 10E-8
Tuning mode: By channel or by
Channels: 200 channels max.
Scanning speed: 4 channels /
Zoom: 1X, 2X, 4X three levels of magnification or full Channel
Memory: 100 Groups, each group Max 200
Bandwidth: Range between 10 MHz, 25 MHz, 50 MHz,
and full span
Number of Channels: 200 channels max
Learned Channel Plan: 10 max
Input range: >70 dBuV
Resolution: 0.1 dB
Number of channels: 3
Input range: 0-100VAC
Accuracy: ± 1.5V
Battery: 7.2V 1.6AH Ni-MH battery,
Working Time: Average 5-8 hours (full charged
Charging Time: 5-10 hrs.
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