Pulsar® model R86 26 GHz non-contact radar transmitter
The Pulsar® Model R86 non-contact radar level transmitter is a 24 VDC, liquid level transmitters. It has a longer measurement range, circular polarization, advanced diagnostics and is easier to use than most loop-powered radar transmitters.
Technology
Non-Contact Radar
Non-Contact Radar level transmitters are offered with various operating frequencies, each having their own set of advantages.
There are two basic types of Non-Contact Radar transmitters, regardless of the frequency of operation:
- Frequency Modulated Continuous Wave (FMCW)
- Pulse Burst Radar
FMCW devices transmit a continuous signal with a constantly changing frequency down toward the process medium. The detected difference in frequencies between the transmitted signal and return echo is proportional to the distance.
Pulse Burst Radar transmitters, the older of the two types, emit short bursts of energy to the surface of the process medium, and incorporate ultra-high-speed timing circuitry to measure the transit time of the reflected signal. Distance is then calculated utilizing the equation:
Distance = C x Transit Time/2, (where C = Speed of Light)
Non-Contact Radar level transmitters are offered with various operating frequencies, each having their own set of advantages.
There are two basic types of Non-Contact Radar transmitters, regardless of the frequency of operation:
- Frequency Modulated Continuous Wave (FMCW)
- Pulse Burst Radar
FMCW devices transmit a continuous signal with a constantly changing frequency down toward the process medium. The detected difference in frequencies between the transmitted signal and return echo is proportional to the distance.
Pulse Burst Radar transmitters, the older of the two types, emit short bursts of energy to the surface of the process medium, and incorporate ultra-high-speed timing circuitry to measure the transit time of the reflected signal. Distance is then calculated utilizing the equation:
Distance = C x Transit Time/2, (where C = Speed of Light)
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Features
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Applications
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Operating principle
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Approvals
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Downloads
Settings
- Multivariable two-wire, 24 VDC loop-powered transmitter for level, volume, or flow
- Performance not process dependent (changing specific gravity and dielectric have no effect)
- 80 GHz operating frequency offers superior performance, smaller antennas, better accuracy and enhanced resolution
- Antenna designs up to 200°C (+400 °F), -1 to 70 bar (-14.5 to 1000 psi)
- Range up to 30 meters (100 feet)
- 4-button keypad and graphic LCD allow for convenience viewing of configuration parameters and echo curve
- Proactive diagnostics advise not only what is wrong but also offer troubleshooting tips
Options
- PACTware PC Program and enhanced DTMs for advanced configuration and troubleshooting
- Available with HART® digital output
| ATEX | Ex d, Ex ia |
|---|---|
| FM | XP, IS, NI |
| FMc | XP, IS, NI |
| IEC | Ex d, Ex ia |
| SIL |
SIL 2 (1oo1) |
Other approvals are available. Consult factory for more details.
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Approvals and certificates
API 2350 Overfill Prevention
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Instruction manuals
Chemical Processing
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Product catalogs
Food and Beverage
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