| Place of Origin: | China |
|---|---|
| Brand Name: | NUOYINGJIAYE |
| Certification: | Explosion-proof certificate |
| Model Number: | NYRD702（Stainless Steel） |
| Minimum Order Quantity: | 1 |
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| Price: | $450 to $2000 |
| Packaging Details: | 40cm×30cm×30cm |
| Delivery Time: | 1-3 work days |
| Payment Terms: | T/T |
| Supply Ability: | 1000 pcs/ pre month |
| Measuring Range: | 6m | Frequency Range: | 1.8GHz |
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| Case Material: | Stainless Steel Case | Process Connection: | Screw Thread, Flange(optional), |
| Protection Grade: | Display Instrument IP67, IP68 | Operating Temperature: | -40~130℃ |
| Signal Output: | 4-20mA, 4-20mA/HART(Two Wire/FOUR Wire) | Process Pressure: | -1~40BAR |
| High Light: |
100MHZ Radar Level Transmitter,Radar Level Transmitter IP68,IP68 microwave level transmitter |
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NYRD702 ( Stainless Steel )1.8GHz Guided Wave Radar Level Meter
The guided wave radar level meter is a level meter based on the principle of time domain reflection (TDR). The electromagnetic pulse of the radar level gauge propagates along the steel cable or probe at the speed of light. Part of the pulse of the level meter is reflected to form an echo and return to the pulse transmitter along the same path. The distance between the transmitter and the surface of the measured medium is proportional to the propagation time of the pulse during that period, and the liquid level height is calculated.
Radar Level Meter Technical Parameter
| 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) |
※ Note: Products can be customized according to the specific requirements of users!
Radar Level Meter Operating Principle
Guided Wave Radar 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.
Radar Level Meter Installation requirements
Measurement Range
Symbol explanation:
H---- Measurement range
L---- Empty tank distance
B---- The blind area at the top
E---- The minimum distance between the probe and the tank wall
The blind area refers to the minimum distance between the highest level of the material surface and the measurement reference point.
The bottom blind area refers to the distance near the cable bottom that cannot be precisely measured.
The effective distance is the one between the top blind area and the bottom blind area.
Note:Only when the material level is at between the top and bottom blind areas can a reliable measurement of the material level be guaranteed.
Installation Guide
The installation guide below applies to cable and rod probes for measuring solid particles and liquids. Coaxial tubular probes are only suitable for liquid objects.
Installation position:
- Stay away from exports and imports.
- For metal and plastic cans, the meter shall not touch the inner wall of the tank. If metal tank, level gauge should not be installed in the center of the tank.
- Installation is recommended at 1/4 of the diameter of the silo.
- Cable type or bar type probe and tank wall distance should be not less than 30 cm.
- The bottom of the probe is about 30mm from the bottom of the tank.
- The distance between the probe and the obstacles in the tank is not less than 200mm.
- Sensor can be installed in the center of the roof, if the bottom of the container for cone, can measure in the tank bottom.
- The diagram on the right shows the rod-shaped radar installation, which is mainly used for liquid level measurement.