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Summary of Contents for Winters LRD707
- Page 1 LRD707 Radar Level Meter Technical Information LRD707 120GHz radar level meter Winters Instrument V1.0 www.winters.com/www.winters.com.cn...
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Page 2: Table Of Contents
LRD707 Radar Level Meter Contents 1. Safety guidelines ..........................3 1.1 Personnel Requirements ........................3 1.2 Designated Use ............................. 3 1.3 Workplace safety ........................... 3 1.4 Operation Safety ........................... 3 2. product introduction ..........................4 2.1 Product Overview ..........................4 2.2 FMCW radar system framework ...................... -
Page 3: Safety Guidelines
LRD707 Radar Level Meter 1. Safety guidelines 1.1 Personnel Requirements Installation, commissioning, diagnosis, and maintenance personnel must meet the following requirements: Trained qualified professionals must be qualified to perform specific functions and tasks. Authorized by the manufacturer/operator. ... -
Page 4: Product Introduction
LRD707 Radar Level Meter Repair Safe operation and reliable measurement of equipment should always be ensured. Perform only expressly permitted equipment repairs. Comply with electronic equipment repair guidelines in Union/national regulations. Only the original spare parts and accessories of this product are used. -
Page 5: Advantages Of Fmcw Radar
LRD707 Radar Level Meter 2.3 Advantages of FMCW radar Frequency-modulated continuous wave (FMCW) radar is a radar system which can obtain target information according to the frequency difference and phase difference between transmitted signal and echo signal by modulating the frequency of continuous wave. Compared with the pulse system radar, it... -
Page 6: Installation
LRD707 Radar Level Meter 4. installation 4.1 Installation Conditions 4.1.1 Installation Position •The recommended installation distance between the tank wall and the outer wall of the mounting short tube A: approximately 1/6 of the diameter of the tank.However, the distance between the instrument installation position and the tank wall cannot be less than 15cm. - Page 7 LRD707 Radar Level Meter 4.1.3 Reduce interference echoes Slanted metal reflectors scatter radar signals; Thus, interference echoes can be reduced. 4.1.4 Measurement in plastic containers When the outer walls of the vessel are made of non-conductive materials (e.g. GRP), microwaves can also be reflected by interferors outside the signal beam range (e.g., metal pipes (1), stairs (2),...
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Page 8: Install In The Bypass Pipe
LRD707 Radar Level Meter 4.1.6 Beam Angle The relationship between beam Angle α, distance D and beam width W Beam Angle α is defined as the Angle at which the energy density of a radar wave reaches half of its maximum value. -
Page 9: Mode Of Connection
LRD707 Radar Level Meter 4.2.2 Example of bypass pipe structure A: With 80 mm (3") horn antenna B: Full diameter ball valve C: Recommended distance from upper connection pipe: minimum 400 mm 1: axis position mark 2: For example: welding neck... -
Page 10: Post-Connection Check
LRD707 Radar Level Meter 4~20mA output, MODBUS (optional) 220VAC power supply, 4-wire, relay output (optional） Four-wire, double-cavity 4~20mA output, HART (optional) 24VDC power supply, 4-wire , relay output (optional） Two-wire, double-cavity 4~20mA+HART output 24VDC power supply, two-wire 4.4 post-connection check ... -
Page 11: Instrument Operation
LRD707 Radar Level Meter Are the fastening fasteners properly tightened? 5. Instrument operation 5.1 Instrument Keys 5.1.1 Key Distribution 4 keys are used to set parameters. The distribution of keys is shown in the figure。 Keying diagram 5.1.2 Key Functions Each key has several different functions, and the main functions of each key are shown in the table. -
Page 12: Interactive Interface
LRD707 Radar Level Meter 5.2.1 Basic Settings Low adjustment: Low percentage. The default value is 0.00%. If the low set value is greater than the range set value, it automatically changes to the range set value; If the low setting value is less than or equal to the high setting value, it automatically changes to the original setting value. -
Page 13: Parameter Settings
LRD707 Radar Level Meter Rapid liquid level change liquid Surface fluctuation froth Material nature The level changes rapidly solidity Pile Angle size Strong dust Echo selection Echo calibration Automatic gain Output mode Advanced Settings Failure mode Material height selection Blind area... - Page 14 LRD707 Radar Level Meter 5.4.1.3 Echo curve Echo curve 5.4.2Settings screen Press the "OK" key to go to the Settings screen, and press the "ESC" key to return to the initial screen. > Basic Settings Advanced Settings Status Query Device information 5.4.2.1 Basic Settings...
- Page 15 LRD707 Radar Level Meter Damping coefficient >XX range setting XX.XXX m(d) (4) Material nature Press the "OK" key to enter the next level menu, press the "ESC" key to return, press the "DN" key to move the cursor symbol UP and down, and press the "Up" key to cycle into the next menu item.
- Page 16 LRD707 Radar Level Meter The level changes rapidly >Fast Medium slow ② High pile Angle Press the "OK" key to save and loop into the next menu item, press the "ESC" key to return, press the "DN" key to move the cursor symbol UP and down, and press the "Up" key to loop into the next menu item.
- Page 17 LRD707 Radar Level Meter cursor symbol UP and down, and press Up to enter the next menu item. Automatic gain > Start Cancel (4) Output mode Press the OK key to save and enter the next menu item, press ESC to return, press DN to move the cursor symbol UP and down, and press Up to enter the next menu item。...
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Page 18: Status Query
LRD707 Radar Level Meter 5.5 Status Query 5.5.1 SNR Press ESC to return, and press UP to cycle to the next menu item XX.XXXX 5.5.2 Output Status Press ESC to return, and press UP to cycle to the next menu item. Normal, open only one state is displayed. -
Page 19: Replacing The Sealing Ring
LRD707 Radar Level Meter 6.2 Replacing the sealing ring The process seal (process connection) of the sensor must be replaced regularly, especially when using a formed seal (anti-corrosion structure). The replacement cycle depends on the frequency of the cleaning cycle, the temperature of the measuring medium and the cleaning temperature. - Page 20 LRD707 Radar Level Meter DCU-B type Working current AC220V（High pressure type）/DC24V (Dc low voltage type） Measurement accuracy 0.2%FS Transmission accuracy 0.5%FS Sampling rate Input Code Input Code T type thermocouple Cu50 Resistance R type thermocouple 0-375Ω When selecting a resistance...
- Page 21 Winters Instruments(Shanghai) Inc. Tel：021-61042610 Mail：sales@cn-winters.com Web：www.cn-winters.com Address：Room 203, Block 8, Guiguo Park, No. 471 Guiping Road, Shanghai...
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