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Water Level Meter
Water level monitoring is a fundamental and important in the management of rivers and dams. We have a lineup of various high accuracy and durability types,so users can select type in accordance with purpose and site condition.Until now, there is a lot of delivery record in Japan and other countries.
Optical Quartz Pressure Type (LSQO Series)
LSQO Series is, a kind of "Quartz pressure type", for enhancing the lightning protection. It using only optical fiber for cable of data transmission and electrical power supply by mounting the "very small optical-electric convertor" inside of the sensor.Recently in Japan, this type has been used for dam control and flood forecasting and warning systems.
Features
- ・High Accurate Water Level Measurement by Using Quartz Sensor
(Selectable from ±0.05%/±0.02%/±0.01%F.S.) - ・High Durability by Using an Optical Fiber Cable for Data Transmission and Power Supply
- ・Electrical Power for the Sensor Operation is Generated by "Very Small Optical/Electrical
Converter"(Like a Very Small Solar Panel) which is Mounted inside of the Quartz Sensor - ・Wide Measurement Range(selectable from 10/20/30/50/70m)
- ・Suitable for Mountainous Stations Where are Frequently Damaged by Lightning Surge
- ・Long Transmission Distance(sensor to coder is up to 1.5km)
Available sites
- ・Important water level station or dam gate where thunder occurs frequently
Main Specifications
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Equipment Configuration
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-Sensor (including optical-electric convertor)
-Junction-box,
-Coder (including optical source)
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Accuracy
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0.05%F.S(Standard)
0.02%F.S(Option) 0.01%F.S(Option) |
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Measurement Range
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10/20/30/50/70m
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Temperature Coefficient at 0 point
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0.0007% F.S./℃
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Temperature Sensitivity Coefficient
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0.0049%/℃
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Dimension
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Sensor: 558xφ60mm
Coder: 480W x 99H x 300D mm
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Weight
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Sensor: approx. 4kg
Coder: approx.8.0kg
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Functions of Coder
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Functions: Averaging, Elevation Offset
Signal Output(nomal): RS-232C or RS-422
Signal Output(option): BCD, Analog,Contact
Data Record(option): SD card, Printer
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Type
LSQO-10WPS (For measuring range 10m)
LSQO-20WPS (For measuring range 20m)
LSQO-30WPS (For measuring range 30m)
LSQO-50WPS (For measuring range 50m)
LSQO-70WPS (For measuring range 70m)
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