Đồng hồ đo lưu lượng khí CS Instruments VA570
Nhà phân phối thiết bị đo lưu lượng CS Instruments chính hãng tại Việt Nam
VA 570 - Flow meter with integrated measuring section
- Flow meter VA 570 is supplied with an integrated measuring section for compressed air and gas pipes. The measuring sections are available in flanged version or with R resp. NPT thread.
- A special feature is the removable measuring head. So the measuring unit can be removed easily and quickly for calibration or cleaning purposes without having to dismount the measuring section intricately. During this period the measuring section is sealed by a closing cap (accessory).
- The screwing with centring device ensures that the sensor is positioned accurately in the centre when screwing it into the measuring section furthermore it grants an exact positioning in the flow direction. This avoids unnecessary measuring faults.
Robust design for demanding industrial applications
The new flow meters VA 550/ 570 work according to the calorimetric measuring principle. Therefore an additional temperature and pressure compensation is not necessary.
Due to its robust design, the aluminum die cast housing, the robust sensor tip made from stainless steel 1,4571, the new VA 550/ 570 are suitable for demanding industrial applications. An ATEX version is available for applications in explosive areas. For flow measurement e. g. of natural gas there is a version with a DVWG admission.
Contrary to the previously used bridge circuit the newly developed evaluation electronics records all measured values digitally. This allows very precise and fast measurements with a wide temperature range of up to 180 °C (resp. 350 °C). The measuring span is 1...1000 and enables therefore measurements in very low as well as in very high flow speeds of up to 224 m/s.
Simple operation and flexible interface
VA 550/ 570 has an integrated Modbus output as a standard with which all parameters like Nm³/h, Nm³, Nm/s, Nl/min, Nl/s, kg/h, kg/min, ft/min, °C etc. can be transferred. All parameters can be adjusted directly at the instrument (via display) or via the PI 500 hand-held measuring instrument resp. the Service Software. Of course there are also 2 x 4...20 mA analogue outputs available for flow and temperature and a galvanically isolated pulse output for the total consumption.
A remote diagnosis can be carried out via Modbus and all relevant parameters can be checked and changed if necessary. So it is possible to change e. g. the gas type, the inner diameter, the scaling and so on or the zero point resp. the leak flow volume suppression in case of changed process conditions.
Via remote diagnosis and status update e. g. temperature exceeding, failures of the flow sensor or the calibration date can be determined.
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