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Water level gauge Product List and Ranking from 47 Manufacturers, Suppliers and Companies | IPROS GMS

Last Updated： Aggregation Period:Jul 22, 2026～Aug 18, 2026
This ranking is based on the number of page views on our site.

Water level gauge Manufacturer, Suppliers and Company Rankings

Last Updated： Aggregation Period:Jul 22, 2026～Aug 18, 2026
This ranking is based on the number of page views on our site.

  1. KELLER Pressure Japan 日本支社 Tokyo//Machine elements and parts
  2. YDKテクノロジーズ Tokyo//Testing, Analysis and Measurement
  3. 日本ベーカーヒューズ株式会社＆ベーカーヒューズ・エナジージャパン株式会社　 （旧）GEセンシング＆インスペクション・テクノロジーズ株式会社 Tokyo//Testing, Analysis and Measurement
  4. 4 E-SYSTEM Fukuoka//environment
  5. 5 拓和 営業統括本部・本社営業部 Tokyo//Industrial Electrical Equipment
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Water level gauge Product ranking

Last Updated： Aggregation Period:Jul 22, 2026～Aug 18, 2026
This ranking is based on the number of page views on our site.

  1. Keller Company High Precision Submersible Level Sensor 36XW KELLER Pressure Japan 日本支社
  2. Druck High-Precision Water Level Meter (All-Titanium) PDCR/PTX1830 日本ベーカーヒューズ株式会社＆ベーカーヒューズ・エナジージャパン株式会社　 （旧）GEセンシング＆インスペクション・テクノロジーズ株式会社
  3. Submersible Water Level Meter "HD Sensor Series" E-SYSTEM
  4. 4 Submersible water level meter YDKテクノロジーズ
  5. 5 Keller Company Low-Cost Submersible Level Meter 26Y KELLER Pressure Japan 日本支社

Water level gauge Product List

91～120 item / All 134 items

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Entrance to Unknown Water Measures | Water Level Screening + Pipeline Water Level Risk Assessment

Entrance to Unknown Water Measures | Water Level Screening + Pipeline Water Level Risk Assessment

From water level screening to unknown water measures! Please tell us about the unknown water issues you are facing.

Water level screening is an essential method for rapid and cost-effective investigation. Our company will address scales that have not been tackled due to budget constraints. "Pipeline Water Level Risk Assessment" is one of the methods of water level screening, which allows for an overview and sorting of the presence or absence of the highest priority risk of overflow (internal water) due to rainwater infiltration. After the risk assessment, we will propose measures for unidentified water in the committed area by conducting flow surveys and detailed investigations in the extracted areas. [For these unidentified water issues] ■ Increased watershed burden ■ Overflow ■ Leakage ■ Overload ■ Sediment runoff due to infiltration water from areas with poor water tightness *For more details, please download the PDF or feel free to contact us.

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High-precision water level gauge Model 600 LS

High-precision water level gauge Model 600 LS

Optimal for observing groundwater, tide levels, river water levels, and brackish water levels.

Compact sensor incorporating water level, temperature, and conductivity sensors.

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Sensor Application Business - Ultrasonic Water Level Meter

Sensor Application Business - Ultrasonic Water Level Meter

Demonstrates power in areas with rapid water level changes.

By merging the underwater acoustic technology and signal processing technology that we have developed over many years, we will provide unique products across a wide range of fields, including disaster prevention, crime prevention, transportation systems, and healthcare.

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Float-type water level gauge WT2100 series

Float-type water level gauge WT2100 series

It is a high-precision pulley-type water level detector.

The measurement range can accommodate from small to high elevations. High-precision contacts (limit switches) can be built in as needed. Optionally, transducers such as cell-syn motors and potentiometers can be integrated for use as a water level transmitter. It can also provide a 4-20mA output. It is suitable for intake pits and drainage pits in power plants and factories. There is also a track record of replacement from the float-type liquid level transmitter FNF series (discontinued) by Fuji Electric Systems Co., Ltd.

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Water level gauge (float-weight type multi-point position detector)

Water level gauge (float-weight type multi-point position detector)

For water level detection and measurement control of upper water tanks and water supply and drainage tanks!! Many achievements with power companies.

The water level and opening degree detector is suitable for measuring the water level and opening degree of power generation dams, rivers, water intake points, sedimentation tanks, water tanks, etc., and is a position detector using a float-weight method. By adopting a winding method with a pulley, it maintains high reliability with minimal error. Additionally, by adding transmitters and R/I converters, it can easily be used as a telemetry detector. Features: 1. The winding method using a pulley minimizes errors caused by wire slip. 2. The position detector can be continuously set to any value within a 360-degree range due to the twin cam design. 3. The materials used for movable parts, such as stainless steel and resin, are chosen with rust prevention in mind. 4. It can be used as a gate opening degree detector by replacing a single part. 5. By adding options, it can easily be used as a dual-purpose telemetry detector.

  • Company：KEC
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Simple water level gauge for measuring water levels in the field.

Simple water level gauge for measuring water levels in the field.

The water level gauge improvement consortium project for rice paddies has been adopted by the Ministry of Agriculture, Forestry and Fisheries as part of the "Fiscal Year 2021 Smart Agriculture Technology Development Support Project."

Okayama Prefecture, where our company is located, is known for its active cultivation of fruit trees such as peaches and grapes, while also producing high-quality rice. With a warm climate, abundant sunshine often referred to as the "Land of Sunshine," and the rich waters from three major rivers, the production of high-quality rice is supported. Asahi rice, which is beloved in the prefecture, has been valued for sushi rice since ancient times and is considered to be the root of Koshihikari rice. This time, in collaboration with the Bichu Prefectural Agricultural, Forestry and Fisheries Department (Niimi Agricultural Extension Center), we aim to realize a remote monitoring system utilizing IoT technology. Our activities will focus on developing a low-cost water level meter specifically for measuring water levels in fields, investigating its usability, accuracy, durability, and other conditions, and promoting the use of simple water level meters based on the results. 【Features】 1. Easy installation. Simply insert the sensor at any location within the field. 2. Built-in charging function, eliminating the need for electrical work. 3. Data can be checked from anywhere. 4. Uses high-precision and low-cost sensors. 5. Usable even in distant fields. *Please feel free to contact us for more details.

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UK-made completely non-contact external water level gauge

UK-made completely non-contact external water level gauge

[Industry First] Easy installation without construction. It is a non-contact water level gauge.

1. Easy installation without the need for construction 2. High specifications at a low price 3. Simplified inventory management through telemetering 【Easy Installation】 It can be easily installed on existing tanks without any construction, using silicone rubber sealant. Therefore, there is no need to replace the tank, and there is no need to penetrate the tank to install the sensor. 【High Specifications】 Despite being an external tank, its accuracy is on par with other products. The measurement accuracy is ±2 millimeters (depending on the measured object), and the measurement distance is up to 3 meters. It can measure temperatures from -20℃ to +125℃. Additionally, explosion-proof sensors are also available. 【Telemetry】 It is possible to monitor the water level of the tank via mobile phone signals, which helps reduce labor costs and ensures that no sales opportunities are missed. 【Usage Example】 Before delivering propane gas to clients (such as restaurants), this product is installed on the tank prior to delivery. The usage can be checked from the sales office through telemetering, allowing for a reduction in unnecessary labor costs and enabling timely sales efforts. Furthermore, since this product does not require specialized installation, the initial implementation costs can be kept low.

  • Level gauges and level switches
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Optical Crystal Water Level Gauge "OPQS Series"

Optical Crystal Water Level Gauge "OPQS Series"

Using optical fibers for data transmission between sensors and converters! Achieving high-precision water level measurement.

We would like to introduce our optical quartz water level gauge, the "OPQS Series." The optical quartz water level gauge converts frequency signals from a quartz crystal oscillator into optical signals (SM) within the sensor's E/O conversion section for transmission. This product has a built-in battery inside the sensor to serve as the power supply for the sensor. The quartz crystal oscillator used in the water level measurement section changes its resonant frequency linearly in response to the applied water pressure, and due to the large rate of change, it enables highly accurate water level measurement. 【Features】 ■ High Precision: Utilizes the principle of the highly regarded quartz water level gauge for accurate water level measurement. ■ Lightning Protection: Uses optical fiber for data transmission between the sensor and the converter. *For more details, please refer to the PDF document or feel free to contact us.

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Water temperature compensated crystal type water level gauge "QSR Series"

Water temperature compensated crystal type water level gauge "QSR Series"

Achieves high-precision and stable water level measurement. The construction method is easy, just like with water level gauges, and maintenance management is also simple.

The "QSR Series" is a pressure-type water level gauge that utilizes a quartz crystal oscillator. The quartz crystal oscillator changes its resonant frequency linearly in response to the applied water pressure, and due to its large rate of change, it enables high-precision and stable water level measurement. The quartz water level gauge with temperature compensation measures water temperature using one temperature sensor inside the water level gauge sensor and five sensors within the sensor cable, totaling six temperature sensors. By performing density compensation with a dedicated water level gauge recorder, it is possible to maintain high precision even in cases where the water depth is deep, such as in dams, and there are temperature differences in the water. 【Features】 ■ High precision and stability ■ Elimination of density difference effects ■ Water temperature measurement and density compensation with six temperature sensors ■ Easy installation and maintenance ■ Temperature sensors integrated into the water level gauge sensor cable *For more details, please refer to the PDF materials or feel free to contact us.

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Civil engineering measurement equipment Water level gauge (probe type) NA-WF

Civil engineering measurement equipment Water level gauge (probe type) NA-WF

It observes the water level, converts it into an instrumentation current signal, and outputs it.

The probe-type water level gauge observes the water levels of rivers, lakes, groundwater, waterways, dam leakage, residual water, etc., and converts them into instrumentation current signals for output. The detector is suspended from the water surface by a single coated stainless steel wire and detects contact with the water surface by moving up and down with a motor. The detection signal corresponding to the change in water level transmits the rotation of the measurement pulley through a relay circuit to the signal conversion section from the potentiometer, outputting an electrical signal (DC 4-20mA) as water level data. 【Features】 ○ Observes water levels and converts them into instrumentation current signals for output ○ The detector detects contact with the water surface by moving up and down with a motor ○ Sampling is possible within 10 seconds to 1 minute due to interval timer operation ○ Measurement range: 0 to 400 mm ○ Dimensions: φ300×285 mm, pulley diameter approximately φ160 mm For more details, please contact us or download the catalog.

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Submersible Water Level Meter "HD Sensor Series"

Submersible Water Level Meter "HD Sensor Series"

Manage data while measuring water levels and tide levels of rivers and ports with high precision!

The "HD Sensor Series" is a submersible water level gauge that can be widely used not only in harsh environments such as winter, extreme cold regions, tidal fluctuations, and drought conditions, but also in rivers, estuaries, and ports. It protects the sensor detection part from seawater, barnacles, and other crustaceans, as well as from drought and freezing, using Duracon and a special oil, ensuring stable water level measurements. We offer a high-precision type "HD8300" with a 2-wire system and an accuracy of 0.10% F.S., and a compact pressure detection type "HD8600" using a semiconductor pressure sensor. 【Features】 ■ Reliable design that withstands long-term use ■ Suitable for measurement in any location, including freshwater, brackish water, and seawater ■ Equipped with a high-precision pressure sensor ■ Compact body design ■ Maintains measurement accuracy even in harsh environments ■ Can be installed in drought conditions or environments without water *For more details, please refer to the PDF document or feel free to contact us.

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Crisis management type water level gauge

Crisis management type water level gauge

Quickly predict river flooding due to heavy rain/typhoons! Notifications can be sent via email and other means based on your settings!

This product is a standalone water level gauge that continuously monitors and transmits measurements of water levels in rivers and ponds. It is designed to quickly predict flooding caused by heavy rain or typhoons, assisting in evacuation guidance decisions. The "pressure detection type water level sensor" is installed by submerging the sensor part at the riverbed (or pond bottom) and measures the water level based on the water pressure when the water rises. Additionally, it consists of a "control box" that measures river water levels at 10-minute intervals, as well as "solar panels" and "cloud servers." [Overall Structure of the Device] ■ Pressure Detection Type Water Level Sensor ■ Control Box ■ Solar Panel ■ Cloud Server ■ Client Terminal *For more details, please refer to the related links or feel free to contact us.

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  • Other safety equipment
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Graph-equipped water level gauge "WLG-01N" [Rental]

Graph-equipped water level gauge "WLG-01N" [Rental]

With the installation of a backlit LCD screen, you can check time-series change graphs and past data on-site.

Data collection is as simple as inserting an SD card, and device settings can be easily adjusted using only the main menu buttons. It is a water level gauge that can immediately display time-series change graphs on-site.

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Groundwater Level Recorder "OT-1502-1" [Rental]

Groundwater Level Recorder "OT-1502-1" [Rental]

The up and down movement of the float can be mechanically converted into the movement of a pen arm, allowing changes in water level to be recorded on paper.

■Measurement range: 0 to 10m / 0 to 5m / 0 to 2m / 0 to 1m *Switchable

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Simple Ultrasonic Water Level Meter 'GSD-06M'

Simple Ultrasonic Water Level Meter 'GSD-06M'

Measuring range from 0.4m to 6m, includes a single pipe mounting bracket and a 2m cable! Measures the distance to the water surface of the river.

The "GSD-06M" is a simple ultrasonic water level gauge suitable for measuring water levels in rivers and reservoirs, capable of measuring up to 6 meters. It is installed on bridge railings and measures the distance to the water surface. The sensor output is a current output of 4-20mA. With a 12V power supply and a current consumption of 110mA, it operates with a combination of solar panels and batteries for energy efficiency. 【Features】 ■ Sensor output is a current output of 4-20mA ■ 12V power supply with a current consumption of 110mA for energy efficiency ■ Operates with a combination of solar panels and batteries ■ Standard cable length for the sensor part is 2m ■ Cable extension is possible using an optional cable extension box (0.3mm2 or larger/3-core, within 300m) *For more details, please refer to the PDF document or feel free to contact us.

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Satellite Communication Water Level Gauge "KT-125IC Model"

Satellite Communication Water Level Gauge "KT-125IC Model"

No need for large antennas, easy to install and relocate! Usable even in areas with no communication!

The "KT-125IC model" is a satellite communication water level gauge that can be used in areas where mobile phones cannot communicate, such as mountainous regions, offshore areas, and during disasters. The communication usage fees are low, and you can stop and restart the service at your discretion each month and settle the payment. Installation and relocation are very easy, requiring no large antennas or similar equipment. 【Features】 ■ Usable in areas where mobile phones cannot communicate ■ Low communication usage fees ■ Can be stopped and restarted at your discretion each month and settled ■ No large antennas required *For more details, please refer to the PDF document or feel free to contact us.

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Radio Wave Water Level Meter 'RWLD-24x'

Radio Wave Water Level Meter 'RWLD-24x'

Measurement at standard 2-minute intervals! Upload measurement data to the cloud and display it in graphs.

The "RWLD-24x" is a radar-type water level gauge that measures the distance to the water surface without contact. It can measure the distance to the water surface even in locations where contact measurement with the target object is difficult, and the measurement results are stored in the cloud on the internet, allowing for viewing in graph form. Additionally, it can send warning emails when the set water level is exceeded. 【Features】 ■ Non-contact measurement using microwave radar ■ Measurement distance from 1m to 15m ■ Standard measurement interval of 2 minutes ■ Standard data transmission interval of 12 minutes ■ Reduced initial investment through LPWA communication without the need for a dedicated base station *For more details, please refer to the PDF document or feel free to contact us.

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Crystal-type water level gauge "HJ-509"

Crystal-type water level gauge "HJ-509"

All-in-one monitoring observation system built with FOMA! Automatic distribution of scheduled emails and alarm emails.

The "HJ-509" is a quartz-type water level gauge equipped with self-recording, internet display, and email functions. It measures water pressure using a quartz pressure sensor at a sampling interval (typically: 1.0 seconds) and records the data for the measurement duration on an SD card. It enables high-precision and stable water level observation, and also measures and records water temperature, air temperature, and atmospheric pressure as supplementary data. 【Features】 ■ Built-in internet communication function allows monitoring from anywhere via the FOMA network (DOCOMO) ■ High-precision water pressure measurement with automatic atmospheric pressure correction using an internal vent pipe cable ■ Can measure and record data (voltage input) from other devices equally ■ Uses an SD card (up to 32GB) for data memory ■ Data retrieval is quick and easy, requiring only the exchange of the SD card *For more details, please refer to the PDF document or feel free to contact us.

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Ultrasonic Water Level Meter (Level Sensor) "IMP+ (Imp Plus)"

Ultrasonic Water Level Meter (Level Sensor) "IMP+ (Imp Plus)"

Supports various applications! It is a highly reliable non-contact ultrasonic water level gauge.

"IMP+ (Inpu Plus)" is a highly reliable non-contact ultrasonic level gauge. Digital echo processing is suitable for measuring slurries and liquids, and it is adaptable for various applications such as level display on the main unit's display, connection to control systems via analog output, and display on other screens. It is available in three types with measurement ranges of 3m, 6m, and 10m, and you can choose between 2-wire or 3-wire configurations. Additionally, the product features an LCD display, a digital thermometer with temperature compensation, and two relay outputs (when using the 3-wire configuration). [Features] ■ Compact non-contact ultrasonic level gauge ■ 2-wire or 3-wire configuration ■ LCD display *For more details, please refer to the PDF document or feel free to contact us.

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Ultrasonic Water Level Meter (Level Sensor) 'IMP Lite'

Ultrasonic Water Level Meter (Level Sensor) 'IMP Lite'

Corrosion-resistant PVDF (polyvinylidene) wetted parts can be selected as an option.

The "IMP Lite" is a highly reliable non-contact ultrasonic level gauge. Digital echo processing is suitable for measuring slurries and liquids, and it is applicable for various uses such as level display on the main unit's screen, connection to control systems via analog output, and display on other screens. Additionally, the IMP series offers optional contact parts made of corrosion-resistant PVDF (polyvinylidene fluoride), making it suitable for harsh applications and further expanding its range of use. 【Features】 ■ A low-cost and affordable model ■ A compact and energy-efficient integrated sensor ■ 4-digit LCD display *For more details, please refer to the PDF document or feel free to contact us.

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Battery-operated water level gauge for water level monitoring during deep well construction (NETIS)

Battery-operated water level gauge for water level monitoring during deep well construction (NETIS)

Battery-powered for up to 5 years, with measurements as short as once every minute and real-time monitoring.

This product enables long-term operation on batteries while achieving a short measurement cycle, featuring real-time remote monitoring and immediate alerts in case of anomalies. It can also be integrated with cloud-compatible battery-operated cameras. ■ Main Features - Long-term use of up to 5 years on battery power - High-frequency measurements once per minute (data is stored in real-time on the cloud) - Measurement range of up to 20 km (including underground and inside tunnels) - Supports connection of over 100 sensors ■ Advantages - No power supply needed on-site - Automatically starts measuring, recording, and monitoring by simply installing the device and turning on the power - Immediate alert function in case of anomalies - Real-time monitoring from a distance, with remote configuration changes for thresholds and measurement cycles ■ Benefits - Cost reduction for power supply installation - Reduced costs for equipment installation - Alleviation of the burden of manual measurement, recording, and monitoring tasks ■ Main Use Cases - Water level monitoring during flooding - Checking drainage conditions - Observing water level distribution and fluctuations This system is available for sale, rental, and W rental. *For more details, please refer to the PDF document or feel free to contact us.

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LoRaWAN Ultra-Low-Cost River Water Level Meter "Sokukawa LITE"

LoRaWAN Ultra-Low-Cost River Water Level Meter "Sokukawa LITE"

Connect the points and prepare with a surface.

Attach a lot; understand widely; see risks. Recently, due to the increasing frequency and intensity of large typhoons and sudden heavy rains, flooding damage is expanding not only from large rivers but also from small and medium-sized rivers. The Measurement River LITE is a river water level gauge developed to achieve area-wide flood monitoring rather than monitoring specific points. The main unit is low-cost, compact, and lightweight, enabling water level monitoring in various situations, including not only rivers but also irrigation channels and road flooding on evacuation routes. By increasing the number of observation points, it becomes possible to make detailed situation predictions and understand damage conditions early, which can assist in the rapid issuance of warnings through evacuation guidance and damage estimation.

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Crisis management type water level gauge

Crisis management type water level gauge

Our company, with many years of experience and proven results, offers products utilizing river observation technology!

We would like to introduce our "Crisis Management Type Water Level Gauge." This product is a water level observation device that complies with the observation standards and specifications of the Ministry of Land, Infrastructure, Transport and Tourism's crisis management type water level gauge. As of April 2024, we have delivered approximately 2,200 units nationwide. With the remote setting function, operational parameters (observation start water level, observation cycle) can be obtained from the upper server during vital monitoring or at the timing of hourly data transmission. This allows for changes to operational parameters without the need to visit the site, saving time and costs. 【Features】 ■ Changes to operational parameters can be made remotely even in autonomous mode ■ Enhanced logger function allows for storage of observation data for over three months *For more details, please refer to the PDF document or feel free to contact us.

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Radio wave velocity water level gauge

Radio wave velocity water level gauge

Since the water level can be measured simultaneously at the same location, high-precision flow calculation is possible!

We would like to introduce our "Radio Wave Velocity Water Level Gauge." It measures the surface flow velocity and water level of rivers using non-contact, angled irradiation. The direction of irradiation can be adjusted to 45 degrees to the left and right in the horizontal direction (azimuth) relative to the river surface, allowing for flexible adaptation to changes in the riverbed after flooding. Additionally, it is compliant with specific radio equipment standards. 【Features】 ■ Simultaneous observation of flow velocity and water level with a single transmitter ■ Non-contact, angled irradiation allows installation in locations that were previously difficult to access ■ Improved functionality with irradiation distance increased from 20m to 30m compared to our conventional models *For more details, please refer to the PDF document or feel free to contact us.

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Radio wave water level gauge

Radio wave water level gauge

Since it can be installed on bridge piers that are not affected by high water levels, maintenance is easy!

We would like to introduce our "radio wave type water level gauge." Since it can measure without contact, it can safely measure even during high water levels. Because it uses weak radio waves, a radio station license is not required. Due to measurement using microwaves, it can measure without being affected by rain, snow, or fog. 【Features】 ■ Non-contact measurement ■ Flexible usage environment conditions ■ No temperature correction needed ■ No radio station license required *For more details, please refer to the PDF document or feel free to contact us.

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Optical Transmission Crystal Water Level Gauge

Optical Transmission Crystal Water Level Gauge

High lightning resistance and noise resistance through optical fiber transmission! Identification of fault locations using self-diagnosis functionality.

We would like to introduce our "Optical Transmission Crystal Water Level Gauge." It has a function to detect fiber optic disconnections, and when a disconnection is detected, it automatically stops the laser output immediately. The transmitter uses a high-precision, high-stability quartz crystal oscillator. By using a water temperature sensor in conjunction, it corrects water density based on water temperature, enabling more accurate water level measurements. 【Measurement Range】 ■0–10m ■0–20m ■0–50m ■0–100m *For more details, please refer to the PDF document or feel free to contact us.

  • Other measurement, recording and measuring instruments
  • Water level gauge

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Keller Company Low-Cost Submersible Level Meter 26Y

Keller Company Low-Cost Submersible Level Meter 26Y

Low-cost immersion type water level gauge with a diameter of 21mm.

The 26Y series water level gauge is low-cost yet offers high accuracy and excellent long-term stability. It is available in absolute pressure or gauge pressure types (using an open atmospheric pipe). The startup time is quick at just 5ms, making it ideal for data logger applications. With the built-in lightning protection option, it can be used in various harsh environments such as rivers, wells, and boreholes. It features excellent temperature characteristics due to digital correction of output errors caused by temperature changes.

  • Pressure
  • Water level gauge

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