WQ401 Dissolved Oxygen Sensor Description
WQ401 Dissolved Oxygen Sensor is a rugged and reliable water oxygen measuring device. The WQ401's sensor is attached to 25 ft of marine grade cable, with lengths up to 500 ft available upon request. The sensor's output is 4-20 mA with a three wire configuration. The sensor's electronics are completely encapsulated in marine grade epoxy within a stainless steel housing. The unit uses a removable shield and dissolved oxygen element for easy maintenance.
WQ401 Dissolved Oxygen Sensor Features
* Measure dissolved oxygen in situ
* Fully encapsulated electronics
* 4-20 mA output
* Marine grade cable with strain relief
* Stainless steel housing
* Replaceable dissolved oxygen element
WQ401 Dissolved Oxygen Sensor Applications
Ideal for stream and lake monitoring, aquaculture studies, baseline analyses, mitigation monitoring, and other environmental applications.
WQ401 Dissolved Oxygen Sensor Specifications
* Output: 4-20 mA
* Range: 0 to 100% saturation, 0 to 8 ppm, temperature compensated to 77'F (25'C)
* Accuracy: ±0.5% full scale
* Maximum Pressure: 40 psi
* Operating Voltage: 10 to 36 VDC
* Current Draw: 15.5 mA plus sensor output
* Warm-up Time: 10 seconds minimum
* Operating Temperature: -40 to +131'F (-40 to +55'C)
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OPTOD Optical Dissolved Oxygen & Temperature Sensor Optical technology: The OPTOD sensor is based on luminescent optical technology and is approved by the ASTM International Standard Method D888-05. Without calibration requirements, and thanks to an ultra low power technology, the OPTOD sensor is suitable for field work as well as long and short term monitoring. With no oxygen consumption, this technology gives an accurate measure in all situations, even in very low oxygen concentrations. Digital Technology: The "smart" OPTOD sensor stores calibration and history data within the sensor. This allows you a "plug and play" system without re-calibration. Digitally optimised measurement technology * Optical luminescence technology requires minimal maintenance * Digital sensor: Modbus RS-485 * No calibration required and therefore little to no drift occurs * Robust and Watertight OPTOD Optical Dissolved Oxygen & Temperature Sensor Applications * Industrial effluent treatment * Urban waste water treatment * Surface water monitoring * Drinking water OPTOD Optical Dissolved Oxygen & Temperature Sensor Specifications * Measurement ranges: 0.00 to 20.00 mg/L * Resolution: 0,01 * Accuracy: +/- 0.1mg/L, +/- 0.1 ppm, +/- 1 % * Response time: 90% of the value in less than 60 seconds * Temperature compensation: Via CTN * Operating temperature: -10°C to +60'C * Signal interface: Modbus RS-485 (standard) and SDI-12 (option) * Sensor power-supply: 5 to 12 volts
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Oxygen sensor Oxygen sensor is a kind of metallurgy detection probe which is designed to measure the oxygen content and temperature of the molten steel fast, accurately and directly. 1. Application: used for primary melting furnace, lf and rh furnaces and so on, oxygen probes measure oxygen activity of the molten steel and the oxygen activity of the molten steel in the treating process, which can guarantee the deoxidizer addition, shorten the refining time, help to develop new varieties, improve technology, and promote steel purity. 2. Main features and range of application: Oxygen sensor has three types: 1)oxygen sensor for high ppm 2)oxygen sensor for low ppm . 3)oxygen sensor for ultra-low ppm.
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