⎝⎛星力捕鱼⎞⎠

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technical article
Use and description of pressure calibrator
2012-2-17 10:44:05

为交直流两用的便携式仪表,在测量压力的同时,可测量电流,同时在LCD上显示出来,并备有24VDC输出。 1. The pressure calibrator is an AC and DC portable meter. While measuring the pressure, it can measure the current and display it on the LCD at the same time. It has a 24VDC output. In addition, a pressure hand pump is installed on the front panel of the pressure calibrator, making it an ideal on-site calibration instrument. 2. The high-performance microprocessor of the pressure calibrator continuously corrects the zero and linearity of the meter to ensure that the meter is zero for a long time. And the accuracy has good repeatability and stability, and the measurement accuracy is high. 3. The pressure calibrator has an over-range alarm function. When the applied pressure exceeds the rated full range + 2500 words, the meter will display OVER RANGE! P and the built-in buzzer will sound intermittently to indicate that the pressure (current) exceeds the full scale. Stop pressurizing and remove part of the pressure to the specified range to avoid damaging the pressure sensor. 4. When the current measured by the pressure calibrator exceeds 22mA, the meter will display OVER RANGE! I and the built-in buzzer will sound intermittently to indicate that the measured current is out of range. 5. The pressure calibrator software is rich in content, simple and clear to operate. 6. Adopt film panel and imported light touch at the beginning, novel style and long key life. 7, LCD backlight, pressure, current display, intuitive, clear, compact and reasonable structure. Intelligent pressure calibrator is small, light and easy to carry. 8. The front panel of the intelligent pressure calibrator is equipped with a hand-operated pressure generator, -90KPa ~ 1.6MPa, with a fine adjustment and release valve. The manual vacuum rate reaches 95%, which has the world advanced level. The pressure source parts are finely ground and airtight, and meet the IP54 sealing standard. 9. Can be operated directly on the panel to adjust the full scale. 10, metal shell, strong anti-interference, strong resistance to stamping. 11. Volumetric fine-tuning makes it easy to achieve the pressure at the verification point


的使用和说明:1.智能压力校验仪高性能的微处理器对仪表零点和线性进行连续修正,保证仪表长时间内零点和准确度具有良好的重复性和稳定性,测量准确度高。 The use and description of the pressure calibrator: 1. The high-performance microprocessor of the intelligent pressure calibrator continuously corrects the zero point and linearity of the meter to ensure that the zero point and accuracy of the meter have good repeatability and stability for a long time. High accuracy. 2. Low power consumption. After the battery is fully charged, the continuous working time with accuracy is guaranteed to be long. 3.Constant current charging, with battery voltage over-charge, under-voltage automatic shutdown and automatic protection functions to ensure that the battery is not damaged due to over-charge or under-voltage, the battery has a long service life (because it is not used for a long time, recharge every three months ). 4. Micro-power automatic protection function for under-voltage, to ensure that the meter will not damage the battery due to under-voltage, even if the instrument is turned on for too long. 5. The instrument has a wide range of functions, a multi-purpose meter, and a variety of display styles, which can simultaneously display pressure, current, pressure, water column or pressure, kg and current percentage. 6. The intelligent pressure calibrator has an over-range alarm function. When the applied pressure exceeds the rated full-scale +2500 words, the meter will display OVERRANGE! P, and the built-in buzzer will sound intermittently, indicating that the pressure exceeds the full scale, stop pressurizing, use fine adjustment to make up and down adjustments. When the current measured by the meter exceeds 22mA, the meter will display OVERRANGE! I and the built-in buzzer will sound intermittently, indicating that the measured current is out of range. 7. The software is rich in content and easy to operate. 8. Using membrane panel and imported tact switch, novel style and long key life. 9. LCD backlight pressure and current display, intuitive, clear and reasonable structure. Small size, light weight and easy to carry. 10. The front panel is equipped with a pressure hand pump, -90kPa ~ 2.5MPa (various gears), and is equipped with fine adjustment and air release valves. The manual vacuum reaches 95%, which has the world advanced level. The pressure source parts are finely ground, have good air tightness, and meet the IP52 seal standard. 11. Can be operated directly on the panel to adjust the full scale. 12. Metal shell, strong anti-interference ability, firm and impact resistant. 13. Volumetric fine-tuning makes it easy to achieve the pressure at the verification point. The intelligent pressure calibrator is an AC and DC portable meter. While measuring pressure, it can measure the current and display it on the LCD at the same time. It has a 24VDC output. A hand pump is installed on the front panel, making it an ideal field calibration instrument. The high-performance CPU and temperature sensor are used to automatically compensate the temperature drift of the instrument, ensuring a wide temperature range under accuracy.

是我公司最新推出的便携式高精度测量仪表。 Pressure calibrator is our latest portable high-precision measuring instrument. Our company mainly produces pressure calibrators, pressure calibrators, thermal manuals, etc. It is made of high-quality components, automatic test technology, and auxiliary processing using multiple CPUs, ensuring high accuracy and reliability, and small size Light weight, AC and DC dual-use features. In addition to measuring pressure through a high-precision intelligent pressure module, the instrument also has six and a half digital multimeters and DC input and output functions for signal sources, including measurement and output of different ranges of voltage and current. Can be used as high-precision measuring instruments, calibration instruments to verify and verify pressure / differential pressure transmitters, pressure sensors, ordinary / precision pressure gauges, etc., also has potentiometer, precision millivolt meter, precision ammeter, cold junction Functions such as thermometers and thermocouple indexing tables. Can be widely used in petroleum, chemical, metallurgy, power, metering, automation and other industrial and mining departments and scientific research units