Medidor de campo profesional SEFRAM 7848 HD DVB-T/T2/S/S2, 7" touch screen

SEFRAM 7848 Compact TV Meter for Digital Terrestrial TV (DVB-T and DVB-T2) / 45 to 900MHz and Satellite (DVB-S/S2) 900 to 2200MHz in SD or HD. Full digital measurements for DVB-T, DVB-T2, DVB-S and DVB-S2: BER, MER, PER, Link Margin, 7 inches LCD TFT touch screen.

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Reference sefram-7848
Brand Sefram

Free shipping

SEFRAM 7848 Compact TV Meter for Digital Terrestrial TV (DVB-T and DVB-T2) / 45 to 900MHz and Satellite (DVB-S/S2) 900 to 2200MHz in SD or HD free to air TV programs. Full digital measurements for DVB-T, DVB-T2, DVB-S and DVB-S2: BER, MER, PER, Link Margin, 7 inches LCD TFT touch screen.

Touch screen, compact, robust and easy to use With it's panoramic 7 inches touch screen, you have full benefit of the touch screen technology: intuitive access to functions, menus and measurements. The new rugged housing with protective bumpers is designed for extensive field use and protection of sensitive parts of the instrument.

All digital measurements in DVB-T, DVB-T2 , DVB-S and DVB-S2The 7848 provides all measurements in DVB-T/T2, DVB-S/S2. For each digital standard, we provide all measurements, including BER, MER, lost packets, noise margin and echoes analysis.

Panoramic LCD with display of MPEG-2 and MPEG-4* TV programsThe 7848 offers a bright and panoramic hight quality LCD display for measurements results and free-to-air MPEG-2 / MPEG-4 programs display.

All necessary functions and tools to save timeThe 7848 has a very simple and intuitive man-machine interface.Special functions have been added to save time and money.

Checking the alignment of antennas The 7848 includes a checksat mode for satellite and a special tool to align terrestrial antennas. User will have a graphical information combined with a beeper.

USB interfaceThe 7848 includes one USB interface for updating and getting the benefit of free firmware update.


  • TV Meter for Digital Terrestrial TV (DVB-T and DVB-T2) / 45 to 900MHz and Satellite (DVB-S/S2) 900 to 2200MHz
  • Display free to air programs SD and HD (MPEG2 and MPEG4)
  • Full digital measurements for DVB-T, DVB-T2, DVB-S and DVB-S2: BER, MER, PER, Link Margin
  • CELL ID display
  • Checksat mode for fast alignment of dishes (with NIT)and pointing mode for terrestrial antennas
  • Network table display
  • Echoes and pre-echoes measurement with graphical display of the guard interval (DVB-T, DVB-T2)
  • Fast spectrum analysis
  • Remote supply: 5V/13V/18V/24V for terrestrial and satellite
  • DiSeqC 1.2, SatCR and DCSS
  • 7 inches LCD TFT touch screen
  • Easy to use: optimized man-machine interface
  • Shockproof housing with rubber bumpers for extensive field use
  • Large autonomy and 1h15 charging time
  • Free and easy upgrade of internal firmware with a USB memory stick
  • USB interface
  • Light weight : 1,35 kg


Specifications Terrestrial band Satellite band
Range 45-900 MHz 900-2200 MHz
Resolution Measure: 50kHz, display: 1kHz Mesure and display: 1 MHz
Level measurements
Dynamic range 20-120 dBµV 30-110 dBµV
Measurements level, RF power, C/N level, RF power, C/N
Noise level 10dBµV (typical) 20dBµV (typical)
Units dBµV, dBmV, dBm, V dBµV, dBmV, dBm, V
Accuracy ±2dB ± 0.05dB/°C ±2dB ± 0.05dB/°C
Resolution 0,1dB 0,1dB
Measurement filters 100kHz, 300kHz, 1MHz 1MHz, 3MHz, 10MHz
Standards B, G, D, K, I, L, M, N, FM, DVB-T/H/T2/T2Lite, DVB-C/C2 (level measurements only) PAL, SECAM, NTSC, DVB-S, DVB-S2, DSS
Digital measurements DVB-T/H DVB-T2 DVB-S / DSS DVB-S2
Error rate BERi (before Viterbi), BERo (after Viterbi), UNC/PER (lost packets), NM (Noise Margin) Before LDPC, BCH (after LDPC), FER (lost packets, after BCH) CBER, BERi, BERo, UNC, PER, Link margin LDPC (BERi), BCH (BERo), Link Margin
Modulation Error Rate (MER) 5-35dB 5-35dB 0-20dB 0-20dB
Bandwidth 6, 7 or 8 MHz 1.7, 5, 6, 7 or 8 MHz - -
Symbol rate - - 1-45Ms/s 1-45Ms/s
Viterbi 1/2, 2/3, 3/4, 5/6, 7/8 (auto) 1/2, 3/5, 2/3, 3/4, 4/5, 5/6, 1/3, 2/5, auto 1/2, 2/3, 3/4, 5/6, 6/7, 7/8, auto 2/5, 1/2, 3/5, 2/3, 3/4, 5/6, 8/9, 9/10, auto
Guard interval auto, manual auto auto auto
Inverted spectrum auto auto auto auto
Carriers / FFT 2k / 8k (auto) 1k, 2k, 4k, 8k, 16k, 32k + band extention - -
HP/LP - PLP- Data Slice HP/LP PLP - -
Standards EN 300-744 ETS 302-755 ETS 300-421 ETS 302 307
Spectrum analysis
Sweep rate 350 ms typical, 400 points
Filters 100kHz, 300kHz, 1MHz 1MHz, 3MHz, 10MHz
Attenuator automatic (0 to 55 dB, with 5 dB steps)
Dynamic (display) 60 dB (10 dB/div) 60 dB (10 dB/div)
Span 5MHz to full span in 1-2-5 sequence
Pointing mode
Fast search of transmitter, 10 transmitters max, 4 multiplex per transmitter Fast search of satellite, 30 satellites max, 4 transponders per satellite, with NIT
Input / output
Interface USB A, Ethernet 10/100 baseT
Power supply 15V / 1A with 5.5mm jack
Remote supply
Voltage 5V/13/18V/24, 500mA max 13V/18V, 500mA max
DiSEqC - DiSEqC 1.2: dishes, committed and uncommitted switches
22 kHz (mini DiSEqC) - 22 kHz / 0,6V cc
SatCR and DCSS - DiSEqC protocol extention, 8 slots maximum
RF input
Connector 75 Ohms (F/BNC adaptor supplied)
Maximum input voltage 70 V DC, 50 Vrms/50Hz max (DC or AC peak)
Audio and video decoding
Audio MPEG-1, MPEG-2, AAC, HE AAC, Dolby® Digital, Dolby® Digital Plus
Service table SDT, LCN
Video MPEG-2 SD and MPEG4 HD (high definition H264)
General specifications
Display 7 inches (16:9), LCD TFT, backlight (500 cd/m2), resolution: 800 x 480
Power supply main adaptor 100-240V, output: 15V DC / 1A
Battery Lithium Ion (25W) (factory installed)
Autonomy 2 hours (typical)
Charging time 80% charging in 1H15
Operating temperature -5°C to 45°C
Storage temperature -10°C to 60°C
EMC and safety NF-EN 61362-1 / NF-EN 61326-3 / NF-EN 61010-1
Dimensions 250 x 165 x 65 mm
Weight 1,35kg
Warranty 2 YEARs



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