LQ500
74 (2.9”) | (25) (1.0”) | (15) (0.6”) |
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| 320 (12.6”) |
| 360 (14.2”) | 390 (15.4”) |
234 (9.2”) | 45 | (1.8”) | 15 | (0.6”) |
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Converter
communication port
Unit: mm
Weight: 7kg(15 lb)
110
(4.3”)
(119)
(4.7”)
In the case of Wall mounting
360 (14.2”)
74 (2.9”)
In the case of 50A (2”) mounting
Steel pipe U bolt 
(M10) 
(14.2”)
Converter power | Contact signal I/O port (1) | |
supply cable port | Density signal output port | |
Contact signal I/O port (2) | ||
Grounding terminal | ||
Reserved | ||
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360
Steel pipe 
(50A) (2”) 
Figure 4. LQ500 Converter outline dimensions
■Installation Precautions
(1)Install the LQ500 in an environment free from vibration and corrosive gases and in a place which allows easy
(2)Provide a clearance space both detector and converter to the front, rear, and above the unit. See Figure 5.
(3)Provide a sunshade for the detector and converter if direct sunlight is unavoidable when installing outdoors.
(4)The LQ500 cannot be installed in an environment where there is a possibility that flammable or explosive gases may leak.
(5)The LQ500 should avoid the following environmental installations:
•Places where condensation accumulates due to sudden temperature changes.
•Places of low or high temperature that is out of the specification.
•Places near equipment that produces strong electric waves or electrolytes.
•Places where flammable or explosive gas may be generated.
■Piping Precautions
(1)A vertical installation of the LQ500 is recommended.
Avoid installing horizontally (install LQ500 vertically) in case of following environments.
a)Places where bubbles or environments air remain in the pipe.
b)Places where solids concentration in the fluid is not even because solids in the fluid stay either at the bottom or top of the pipe due to slow fluid velocity or other reason.
c)Pipe size is enlarged to install a larger meter sized LQ500.
(2)Install the LQ500 in a pipeline where the pipe is always filled with fluid and without bubbles or entrapped air. If these conditions are not satisfied, the measured value varies or may give an inaccurate reading. It is recommended that the LQ500 is installed at the outlet instead of the suction side.
(3)Avoid places where sediment collects at the bottom of the pipe.
500 (19.7”) | Unit: mm |
(4) Avoid places where air gets into the fluid. To |
Maintenance space
RF part | Back | ||
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Front
Maintenance
space
500 (19.7”)
600(23.6”) |
| (23.6”) |
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| Converter |
Detector | 600 | |
(23.6”) |
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600 |
| 500 (19.7”) |
A 500 mm (19.7”) maintenance | ||
space is also needed above unit.
avoid this problem, install the LQ500 to the |
outlet of a pump, not to the suction side. |
(5) When installing the detector horizontally, |
install it so that the |
(that is, a pair of applicators stay horizontally) |
to make it easier for maintenance work and to |
obtain its specified performance. |
(6) The LQ500 can be installed in either direction |
(upstream or downstream) and without |
requiring a straight pipe section. Install it in a |
place allowing easy |
Figure 5. Clearance space
5
