MF/HF/UHF Test Equipment

   Instrument is designed for checking transmitting and receiving channels of GMDSS complex in accordance
  with  requirements of  part 4  of ship's conventional equipment  Regulations and  DSC Protocol of International 
  Radio Consulting Committee requirements 493-8  and  541-7 without emission  in the emergency frequencies,
  in the wave-bands MF, HF with the channel's wave resistance being 50/75 Ohm and UHF - 50 Ohm.
 
    The Device  has the sound alarm  of reception (transmission) of  DSC 
and  indicates current  time while receiving  an  transmitting  DSC  and 
controls on-board  voltage.  The device allows  also show out complete 
autodiagnostic with LED indication. 
 
 While  diagnosing  (checking)  the  receiving  channel  the  instrument
allows to:
  - Form  and send to the input of the receiving unit  not less than three 
types  of   DSC  messages:  'Distress -5',   "Distress -1",  "Safety"  for
MF, HF  on  the  frequency  2187,5 kHz,  8414,5 kHz;  for UHF on  the 
frequency 156,525 MHz.
 
  - Check   the   sensitivity   of  radio  receiving   device,   providing  the
controllabi signal level to ship's receiving device input for MF, HF on the 
frequency 2185,5 kHz, 8414,5 kHz - 6-60 mV for UHF on the frequency 
156,525 MHz - 2-20 mV.
 

 
 
    While diagnosing the transmitting channel the instrument allows to check (evaluate):
    - Reliability of formation and passing (reception) of CSC messages of Distress format on the frequencies:
      MF, HF - 2187,5; 8414,5 kHz, USF - 156,525 Mhz.
    - power level in digital form and in the form of a LED bar: MF, HF < 400 W; USF < 40 W.
    - distortions, made by RTRD MF/HF, USF by the quantity of synchrobits, proceeding the phase sending 
      and CSC message check sum.
    - transmitting HF channel: transmitter - matching device - aerial by power level.
 
The set comprises:
  № Description Dimensions Weight Quantity
1 Device 270х215х65 3,6 kg 1
2 50 Оhm equivalent 242х110х60 1,6 kg 1
3 Printer 145х105х60 0,9 kg 1
4 Power supply cable 1
5 HF cable 2
6 Operation manuals (description and log)  

  

VHF- RADIO STATIONS TEST EQUIPMENT
     VHF- radio stations (VHF- RS), MF/HF radio stations (MF-RS) test equipment is designed for checking: 
       - VHF equipment of two-way radio-telephone communication over the range 155 - 162 and 120 - 124 mHz          for correspondence to the requirements of the ship's equipment Regulations, part IY Radio Equipment. 
       - GMDSS VHF equipment with DSC for correspondence to the requirements of part IY of the ship's          conventional equipment Regulations and DSC Protocol of the International Radio Consulting Committee          requirements 493-8 without the emission on the frequency 156,525 mHz. 
       - MF/HF  equipment  for  correspondence  to  the  frequency  emitted by the transmitter over the range 1,6-30 mHz.
During the test of VHF equipment of two-way radio-telephone communication the device allows: 
- to check the serviceability of radio stations with amplitude and frequency modulation; 
- to measure the frequency of the transmitter over the range 155 - 162 mHz and 120 - 124 mHz; 
- to estimate the frequency instability of the transmitter; 
- to indicate the emitted power level; 
- to measure the deviation level; 
- to estimate the discernible signal of the radio station receiver with frequency modulation; 
During the test of GMDSS VHF equipment with DSC the device allows: 
- to check the reliability of the formation and passing of the DSC messages; 
- to check the power level in the digital form and in the form of LED bar < 25 W; 
- to measure the frequency 156,525 mHz; 
- to form and send to the input of the receiving unit not less than three types of the DSC messages: "Distress-5", "Distress-1", "Safety" on the frequency 156,525 mHz; 
- to check the sensitivity of the radio receiving device, providing the controllable signal level to the receiving device input 2 - 20mV on the frequency 156,525 mHz. 
During the test of MF/HF transmitter frequency allows 
- to measure MF/HF frequency over the range 1,6 - 30 mHz
     The Device has the sound alarm of the reception (transmission) of the DSC. During the reception and transmission it controls on-board voltage, and also carries out the complete autodiagnostic with LED indication. The Device has the output on the PC. 
The complete set of the shipment comprises: 
     1. Device - overall dimensions without antenna (mm) 200 x 100 x 45 
     2. Antenna - VHF measuring one, total height ? 520 mm 
     3. HF; LF cable, mains-operated 
     4. Printer (mm) 145 x 105 x 60 or software for PC (agreed while making an order) 
     5. Power supply unit - charging unit (agreed while making an order) 
     6. 50 Ohm equivalent, combined (agreed while making an order) 
     7. Operational manuals (description and log)
DSPE "Musson-Morsviaz-Service", Ukraine, Sevastopol, Vakulenchuk str. 29/20, tel/fax: +38(0692) 23-01-74, e-mail: musson.morsviaz@gmail.com, morsviaz@stel.sebastopol.ua, musson-morsviaz@mail.ru
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