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Electric safety equipment
NR7200 series SF6 gas moisture tester
is used to measure the micro-water content in SF6 gas. It has the advantages of high measurement accuracy, wide range, simple test, etc. The instrument introduces a high-precision temperature sensor, which has the advantages of high accuracy, good repeatability, fast test speed, and small drift. The test result can be automatically converted to the standard value at 20°C. It has the functions of zero point automatic calibration and full curve tracking correction. The original curve display, power display and advanced probe protection function make the test easier.
◆ High-precision humidity sensor
The instrument uses a high-precision humidity sensor, which has the advantages of high accuracy, good repeatability, fast test speed, and small drift. It is an ideal choice for industrial environments with low dew point and dry point control;
◆ Anti-interference
The dual power supply channel design is adopted to separate the electrolytic electrode and the measuring electrode, automatically remove various interferences, and greatly improve the precision of the test results. The measured electrode data is directly converted by A/D sampling, and the true value of the measured data eliminates the error caused in the analog circuit, making the test result more accurate;
◆ Powerful function
Zero point automatic calibration and full curve tracking correction, the test result can be automatically converted to the standard value at 20℃. It has a chemical substance removal option, which enables the product to perform accurate and stable measurements in an environment with high concentrations of chemical substances and detergents, thereby ensuring accurate measurement between each calibration interval.
Measuring range |
-80℃ ~ +20℃
|
Precision |
≦1℃
|
Resolution |
0.01℃ or 1PPm
|
Output Interface |
RS232
|
Response time | When the dew point is +60℃ ~ -20℃, ≦1min |
-20℃~ -40℃, ≦3min | |
-40℃~ -60℃, ≦5min | |
Operating environment | Temperature: -20℃ ~ +60℃ |
Relative humidity: 0 ~ 95% | |
Pressure: ≤1.0Mpa |
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