Jiangsu Hongguang Instrument Factory Co. Ltd.Contact us
Jiangsu Hongguang Instrument Factory Co. Ltd.
[China]
Measurement Principle
Guided Wave Radar Level Transmitter is the kind of measuring instrument that is based on the principle of time travel. The radar wave travels at the speed of light, and its running time can be converted into a level signal by the electronic components. The probe emits high-frequency pulses which spread along the cable, and the pulses are reflected back when they encounter the material surface and received by the receiver inside the meter. The distance signal is then converted to the level signal.
| HGRD700 Guided Wave Radar Level Meter |
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| Model | HGRD701 | HGRD702 | HGRD703 |
| Explosion-Proof | Yes | Yes | Yes |
| Measuring Range | 30m | 6m | 6m |
| Process Connection | Whorl, Flange | Whorl, Flange | Whorl, Flange |
| Process Temperature | -40-250℃ | -40-250℃ | -40-250℃ |
| Process Pressure | -1.0-40bar | -1.0-40bar | -1.0-40bar |
| Accuracy | ±1mm | ±1mm | ±1mm |
| Frequency Range | 100MHZ-1.8GHZ | 100MHZ-1.8GHZ | 100MHZ-1.8GHZ |
| Explosion-proof /Protection Class | EXiaIICT6/IP68 | EXiaIICT6/IP68 | EXiaIICT6/IP68 |
| Signal Output | 4…20mA/HART(Double-cable) | 4…20mA/HART(Double-cable) | 4…20mA/HART(Double-cable) |
| Parameters | Frequency: 100MHZ-1.8GHZ Measuring range:-cable :0-30m; rod, coaxial :0-6m Repeatability: ± 3mm Resolution: 1mm Sampling: echo 55 samples / s Response speed: 0.2S (depending on the actual usage) Output current signal :4-20mA Accuracy: <0.1% |
| Communication Interface | HART communication protocol |
| Process connection | G1-1/2 Flange DN50, DN80, DN100, DN150 |
| Process pressure | -1 ~ 40bar |
| Power | Power: 24VDC (± 10%), ripple voltage: 1Vpp Power consumption: max 22.5mA |
| Environmental conditions | temperature -40 ℃ ~ +80 ℃ |
| Housing protection grade | IP68 |
| Explosion levels | EXiaIICT6 |
| Instrumentation power supply and signal output wire connection | Sharing a two-core shielded cable Cable entry: 2 M20 × 1.5 (the cables diameter of 5 - 9mm) |
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