26GHz NYRD-PB-E Flat Radar Level Meter
The flat-panel radar level meter is a 26GHz high-frequency radar level measuring instrument with a maximum measurement distance of 40 meters. The antenna is further optimized, and the new fast microprocessor can perform higher-speed signal analysis and processing, so that the instrument can be used in some complex occasions such as steam, foam, dust, crystallization, condensation, etc..
Radar Level Meter Technical Parameter
| Model | NYRD-PB-A | NYRD-PB-B | NYRD-PB-C | NYRD-PB-D | NYRD-PB-E |
| Typical application | Steam, mist, foam, strong corrosion, crystallization, condensation, adhesion, etc. |
| Transmit frequency | 26GHz |
| Echo sampling | 100 times/s |
| Antenna material | PTFE+304 | PTFE | PTFE+304 | PTFE+304 | PFA |
| Range | 40m |
| Accuracy | 0.05%～0.1%F.S |
| Supply power | 24VDC(Two-wire,Four-wire), 220V AC |
| Power | 3W |
| Signal output | 4...20mA/HART/RS485/Modbus... |
| Process temperature | -40～+130℃ | -40～+130℃ | -40～+260℃ | -40～+130℃ | -40～+130℃ |
| Process pressure | -0.1～2.0MPa |
| Process connection | Bracket, flange (optional) |
| Electrical Interface | M20×1. 5, ½ " NPT |
| Protection class | IP 67 |
| Explosion-proof grade | ExiaⅡCT6 Ga, ExdⅡCT6 Gb |
※ Note: Products can be customized according to the specific requirements of users!
Radar Level Meter Operating Principle
The radar level antenna emits narrow microwave pulses, which are transmitted downward through the antenna. After the pulse touches the surface of the measured medium, it is reflected back and received by the antenna system again, and the signal is transmitted to the electronic circuit part and automatically converted into a level signal (because the pulse propagation speed is extremely fast, the electromagnetic wave reaches the target and is reflected back to the receiver. The time taken is almost instantaneous).
Radar Level Meter Design Features
◎ The antenna is small in size, easy to install; non-contact radar, no wear and no pollution.
◎ Unaffected by corrosion, foam, water vapor, temperature and pressure changes.
◎ The beam angle is small and the energy is concentrated, which enhances the echo ability and helps to avoid interference.
◎ The measurement blind area is smaller, and it can also achieve good results for small tank measurement.
◎ High signal-to-noise ratio for better performance even under fluctuating conditions.
Radar Level Meter Electrical connections
Supply voltage
(4~20)mA/HART(Two-wire
The power supply and the output current signal share a two-core shielded cable. Refer to the technical data for the specific supply
voltage range. For the intrinsically safe type, a safety barrier must be added between the power supply and the instrument.
(4~20)mA/HART(Four-wire)
The power supply and the current signal are separated, and each uses a two-core shielded wire. Refer to the
technical data for the specific supply voltage range.
The power supply and the Modbus signal are separated, and each uses a two-core shielded wire. Refer to the
technical data for the specific supply voltage range.
Connection method
Radar Level Meter Protection Class
This instrument fully meets the requirements of protection class IP66/67. Figure 6:
- How to Ensure Your Installation Meets IP67 Requirements:
- Make sure the sealing head is not damaged.
- Make sure the cable is not damaged.
- Make sure that the cables used meet the electrical connection specifications. Bend the cable down before entering the electrical interface to ensure that water does not flow into the housing, see ①
- Please tighten the cable gland,see②
- Please plug the unused electrical connections with blind plugs, see ③
Radar Level Meter Instrument debugging
The instrument has three debugging methods, as follows:
Method 1:Display/Key
The instrument is debugged through the 4 buttons on the display screen. (Figure 7) ①LCD; ②Button.
Method 2:Host computer debugging
Connect to the upper camera through HART (Figure 8)
①RS232 Or USB；②Radar level meter；③HART adapter；④250Ωresistance
Method 3:HART handheld programmer programming
HART handheld programmer (Figure 9)
①RS232 Or USB；②Radar level meter；③250Ωresistance
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Modbus Flat Radar Level Transducer PFA PTFE Corrosion Crystallization Condensation Occasions Images
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