Water Level Sensors

Leading Manufacturer, Supplier & Retailer of CE8 Water Matric Potential Sensor, CS616-L volumetric water sensor, LWS-L water Sensor, CE4 Water Matric Potential Sensor and CS700-L Rain measures Sensor.

CE8 Water Matric Potential Sensor

The CE8 is an 8-channel current excitation module designed to provide a 50 mA constant current to the heating element of a 229-L Heat Dissipation Water Matric Potential sensor. Features Sources current for up to eight 229 probes Requires a 12 Vdc power sourceExcitation current per probe is 50 mA 1 mA Specifications Output: 50 mA 0.25 mA, regulated Output Channels: 8 Power: 12 Vdc source required Active Current Drain:25 mA + (50 mA) x (number of 229s connected to the CE8) Producing Area:USA

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CS616-L Volumetric Water Sensor

The CS616 Water Content Reflectometer measures the volumetric water content from 0% to saturation. It uses time-domain measurement methods, but a reflectometer (cable tester) such as the TDR100 is not required. The probe consists of two 30 cm long stainless steel rods connected to the measurement electronics. The probe rods can be inserted from the surface or the probe can be buried at any orientation to the surface. Features Compatible with CR510, CR10X, CR800, CR1000, CR3000, CR23X, and CR5000 dataloggersMeasures volumetric water content using time-domain reflectometry methodsDesigned for long-term unattended water content monitoringAccuracy 2.5% VWC using standard calibrationResolution better than 0.1% VWCMeasurement time is

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LWS-L Water Sensor

The LWS, manufactured by Decagon, can detect small amounts of water or ice on the sensor surface for leaf wetness applications. Because the LWS measures the dielectric constant of the sensor's upper surface, it can detect the presence of water or ice anywhere on the sensor's surface. Features Imitates characteristics of a leaf. Does not require painting or calibration of individual sensors. Detects trace amounts of water or ice on the leaf surface. Low power consumption Specifications Measurement Time: 10 ms Power: 2.5 Vdc @ 2 mA to 5 Vdc @ 7 mA Output: 250 mV to 1500 mV Expected Lifetime: 2+ years continuous use

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CE4 Water Matric Potential Sensor

The CE4 is a 4-channel current excitation module designed to provide a constant current to the heating element of a 229-L Heat Dissipation Water Matric Potential sensor. Features Sources current for up to four 229 probesRequires a 12 Vdc power source Specifications Output: 50 mA 0.25 mA, regulated Output Channels: 4 Power: 12 Vdc source required Active Current Drain:25 mA + (50 mA) x (number of 229s connected to the CE4) Producing Area:USA

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CS700-L Rain Measures Sensor

The CS700 rain gage is manufactured by Hydrological Services. Rain funnels into a tipping bucket mechanism that tips when 0.01 inches (0.25 mm) of rain has been collected. Each tip is marked by a dual reed switch closure that is recorded by a Campbell Scientific datalogger pulse count channel. After measurement, the water drains through two orifices (accepts 12 mm tubing) in the base, allowing the measured water to be collected in a separate container. The rain gage includes a siphoning mechanism that allows the rain to flow at a steady rate to the tipping bucket mechanism regardless of rainfall intensity. This reduces typical rain bucket errors and produces accurate measurements, enabling the CS700 to record intense rainfall events. Features Tips at 0.01" increments Siphoning mechanism minimizes typical rain bucket errors Accuracy is 2% at 1" to 19.7"hr CM240 Leveling Base and Mount recommended Manufactured by Hydrological Services Specifications Sensor Type: Tipping bucket with siphon Accuracy: better than 2% @ 19.7hr (500 mmhr) Resolution: 0.01" (0.254 mm) Measurement Range: 0 to 27.6"hr (0 to 700 mmhr) Humidity: 0 to 100%

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CSIM11-L Water Measures Sensor

The CSIM11 measures pH for the range of 0 to 14 pH with an accuracy of 0.1 pH unit. The sensor is designed for submersion or insertion into tanks, pipelines, and open channels. The sensor features a plunger-style pH glass electrode allowing it to be mounted at any angle. The porous Teflon liquid junction is less susceptible to clogging as compared to conventional reference junctions. A titanium ground rod runs inside the PPS outer body to eliminate ground loop errors. An internal amplifier boosts the signal, decreasing signal interference. Features 0 to 14 pH measurement range; accuracy is 0.1 pH unitOperable environments are 0 to +70C; pressure 0 to 30 psigRequires 107 probe for temperature measurement and compensationManufactured by Innovative Sensors Specifications pH Range: 0 to 14 Zero Potential: 7.0 pH 0.2 pH Sodium Error:

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CS625-L Volumetric Water Sensor

CS625-L The CS625-L measures the volumetric water content of porous media using time-domain measurement methods that are sensitive to dielectric permittivity. The CS625 sensor is similar to our CS616 probe but is for the CR200-series dataloggers. The CS625 has a 0 to 3.3 V square wave frequency output. Features Developed for use with our CR200-series dataloggersMeasures volumetric water content using time-domain reflectometry methods Designed for long-term unattended water content monitoringAccuracy 2.5% VWC using standard calibration Resolution better than 0.1% VWC Measurement time is

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Bubble Water Level Sensors

CS470 Bubble Water Level Sensor The CS470 uses bubble-sensor technology to measure water level. It has two standard interfaces: SDI-12 and 4-20 mA. It has onboard intelligence that allows it to optimize the pumping of air when measuring, and needs no software for initial startup and settings since it has DIP switches for that. It features offset-drift compensation for consistent accuracy. The sensor is ideal for areas where submersed sensors can be damage due to corrosion, contamination, flood-related debris, lightning, or vandalism. Less-frequent attending is needed since it does not require a pressurized nitrogen tank. Features Maintenance-friendly Optimized spur gear for reduced friction Strong pump design Existing tubes can be used. Tube lengths up to 330 ft (100 m) Measures water-level changes up to 1 mmin. High-accuracy version available--CS471 Specifications Accuracy: 0.02 ft Resolution: 0.003 ft 0.014 psi Power Requirements: 10 to 30 Vdc Typical MeasurementCommunication Current 1-min. Query Interval: 320 mAhrday 15-min. Query Interval: 25 mAhrday Measurement Time: 1 minute Outputs: SDI-12 (version 1.3) 1200 Baud, 4-20 mA, RS-484 (SDI-12 Protocol via RS-485 interface) Measurement Range: 0 to 50 ft

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Jack (Beijing Channel Scientific Instruments Co.,Ltd.)
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