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Home > Horizon™ 704 Guided Wave Radar Transmitter
 Horizon™ 704 Guided Wave Radar Transmitter   Printer Friendly Version
The Horizon 704 is a loop-powered, 24 V DC liquid-level transmitter based upon the revolutionary Guided Wave Radar (GWR) technology. The electronics of the Horizon 704 is integral mount on the GWR probe and allows local calibration via a 3 pushbutton keypad / LCD screen.
Operating Principle Features Industries Options Downloads Approvals
 
Horizon Guided Wave Radar is based upon Time Domain Reflectometry (TDR). TDR utilizes pulses of high frequency electromagnetic energy transmitted down a probe. When a pulse reaches a surface that has a higher dielectric than the vapor space in which it is traveling, the pulse is reflected. High-speed timing circuitry precisely measures the total transit time and provides an accurate measure of the liquid level.

 

  • Two-wire, 24 VDC loop-powered level transmitter
  • Low dielectric measurement capability
  • IS (intrinsically safe), XP (explosion proof), and Non- Sparking approvals
  • 4.90 m (16 foot) maximum range
   

  • HART® digital communications
  • Display/keypad
  • Single compartment cast aluminum or Valox® housing
 
 Literature: (UK English)
  Sales Literature
  Instruction Manual


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 Software:

  AMS Device Installation Kit for Horizon Model 704 Device Revision 1
File Size: 0.04 MB (40,060 bytes)
56K Download Time: 0.10 minute(s)
T1 Download Time: 0.00 minute(s)

  
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  • NI   
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  • XP   

  • IS   
  • NI   
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  • ELV   
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  • IS   

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  • YES   
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    XP = Explosion Proof  •  IS = Intrinsically Safe  •  NI = Non-Incendive  •  NS = Non-Sparking  •  ELV = EMC/Low Voltage