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add time: | 2016-01-15 11:10:45 |
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For measuring liquid, gas or vapor liquid level, flow and pressure in high work pressure environment, and then change to 4 ~ DC 20mA signal output. BL1151/3351HP intelligent can communicate with the HART hand operator, through which it is set, monitoring or with the host computer to form a field monitoring system.
Performance specifications
Zero reference calibration range, reference conditions, silicone oil filling, 316 L stainless steel isolation diaphragm.
1.1. reference accuracy
1.1.1. digital, intelligent: + 0.1% calibration range
1.1.2. simulation, linear: + 0.2% calibration range
1.2. stability
1.5.1. numbers, intelligence: 6 months, plus or minus 0.1%URL
1.5.2. simulation, linear: 6 months, plus or minus 0.2%URL
1.3. ambient temperature effect
1.3.1. digital, intelligent:
Zero error: + 0.2%URL/56
Overall error: + (0.2%URL+0.18% calibration range) /56
1.3.2. simulation, linear
Zero error: + 0.5%URL/56
Overall error: + (0.5%URL+0.5% calibration range) /56
1.4. static pressure effect
1.4.1. zero
Under the 31027kPa static pressure, is + / - 0.2%URL. Zero error can be adjusted online by zero adjustment.
1.4.2. range
Can be modified to + 0.25% output reading /6895kPa
1.5. vibration effect
In arbitrary axial direction, the effect of 200Hz vibration is + - 0.05%URL/g
1.6. power effect
Output range of less than + 0.005%.
1.7. load effect:
There is no load effect unless the supply voltage is changed.
1.8. electromagnetic interference
From 20 to 1000MHz, up to 30V/M field, the output drift less than 0.1% range.
1.9. installation location effect
Zero drift is at least 0.25kPa. All zero drift can be corrected; no effect on the measuring range.