Online explosion-proof oxygen transmitter
Online explosion-proof oxygen transmitter can be applied widely in the trace or ordinary oxygen concentration measurement in the environment whose explosion-proof level is required to be Exd IIB T4. Online explosion-proof oxygen transmitter has a liquid-crystal display that makes the display visual and the operation easy.The set of the menu can be accomplished by magnetic pen under explosion-proof occasion which is convenient for the operation in the scene.
Product Description
The online explosion-proof oxygen transmitter stands out with a range of distinctive features, primarily equipped with an imported micro-fuel cell oxygen sensor renowned for its rapid response, high accuracy, outstanding linearity, extended calibration period, and resistance to weak acids and alkalis. This sensor ensures reliable and precise oxygen measurements. Calibration is simplified, requiring a single point calibration across the entire measurement range, enhancing user convenience. The transmitter also features a high-precision auto-compensation system for pressure and temperature, eliminating potential influences from environmental fluctuations. This ensures accurate and dependable oxygen measurements in various operational conditions.
Characterized by comprehensive specifications, the transmitter employs a micro-fuel cell for its test principle and utilizes a 128×64 matrix dot LCD for clear measurement display. The test options cover a broad range from 0 to 10/100/1000ppm and 0 to 25.00% O2, offering micro-range or ordinary range choices. Accuracy is a key strength, with deviations of ≤±1%FS for the 0 to 1000ppm, 1.00%, 10.00%, and 25.00% measurement ranges, and ≤±2%FS for the 0 to 100ppm range, and ≤±5%FS for the 0 to 10ppm range. Exceptional repeatability is maintained within ≤±1%. The transmitter achieves a swift response with a T90 of 60 seconds or less. Output options include a 4 to 20mA DC analog output suitable for load resistance below 500 Ohms, and a programmable alarm output (dry contact type) capable of handling a maximum load of 220VAC/2A.
Operating on a DC24V/0.5A power supply, it accommodates sample gas temperatures ranging from 0 to 50°C and operates in environmental conditions with humidity levels below 80%RH. The sampling mode involves introducing sample gas at a flow rate of 600 to 800ml/min, maintaining an entrance pressure between 90 to 110Kpa for a steady pressure environment. Compatible with non-strongly corrosive sample gases with dust amounts less than 1mg/Nm3, the transmitter has a compact design with dimensions of 196mm×170mm×134mm (H×W×D) and a service life exceeding 24 months under normal use conditions. Complying with an explosion-proof level of Exd IIB T4, it is designed for wall mount installation, making it suitable for diverse applications, especially in hazardous environments.
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