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Cable guided wave radar level gauge
1、 Product Overview Cable type guided wave radar level gauge is a radar level gauge based on the principle of time-domain reflection. The electromagne
Product details
1、 Product Overview
Cable type guided wave radar level gauge is a radar level gauge based on the principle of time-domain reflection. The electromagnetic pulse of the radar level gauge propagates along the steel cable or probe at the speed of light. When it encounters the surface of the measured medium, some of the pulses of the radar level gauge are reflected to form echoes and return to the pulse emitting device along the same path. The distance between the emitting device and the surface of the measured medium is proportional to the propagation time of the pulse between them, and the liquid level height is calculated.
2、 Measurement principle
The cable type guided wave radar level gauge antenna emits narrow microwave pulses, which are transmitted downwards through the antenna. After the microwave contacts the surface of the measured medium, it is reflected back and received by the antenna system again. It is then transmitted to the electronic circuit section and automatically converted into a level signal. Due to the extremely fast propagation speed of microwaves, the time it takes for electromagnetic waves to reach the target and reflect back to the receiver is almost instantaneous. The schematic diagram is as follows.
3、 Product parameters
Application: Liquid, solid particles
Measurement range: Cable 30m
Process connection: thread, flange
Medium temperature:- 40~250℃
Process pressure:- 0.1~4.0Mpa
Accuracy: ± 10mm
Explosion proof grade: Exb IIBT4 Gb
Protection level: IP67
Signal output: 4~20mA/HART (two-wire/four wire)
4、 Product selection
4、 Product selection
| unit | level meterparameter | ||||||
| explosion-proof |
P standard type (non explosion proof type) Explosion proof Type I (Exd II BT4 Gb) |
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| Sensor/cable probe |
A liquid with a diameter of 4mm B solid with a diameter of 6mm |
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| Connection process/materials |
G G1/Threaded Stainless Steel GA G1 threaded stainless steel N NPT threaded stainless steel NA NPT threaded stainless steel C flange DN50 PN16C stainless steel D flange DN80 PN16C stainless steel E flange DN100 PN16C stainless steel F flange DN150 PN16C stainless steel H flange DN200 PN16C stainless steel K flange DN250 PN16C stainless steel Y Special Customization |
 
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| Sealing/process temperature |
P ordinary seal/-40~100 ℃ G high temperature seal/-40~250 ℃ with radiator |
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| Electronic unit |
3 (4~20) mA/24VDC/HART two-wire system 4 (4~20) mA/220V AC/four wire system 5 RS485/Modbus |
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| Shell/protection level |
Aluminum/IP67 G stainless steel 304/IP67 |
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| cable entry |
M M20*1.5 N 1/2NPT |
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| Special agreement | Y Special CustomizationCable guided wave radar level gauge | ||||||
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