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1. What is the RLY signal output from the flow meter relay of Nanjing Lantewan Electronic Technology Co., Ltd.?
The relay output (RLY) is basically a dry contact, with the common and backup terminals connected to the signal source. Then, the relay is internally divided into normally open and normally closed, and the common terminal is slowly connected. Therefore, as long as you know the power format of the alarm, you can use it as a dual control switch.
2. Nowadays, what brand of instruments and meters (pressure transformers, temperature transformers, flow meters) are better in China?? Do not disturb advertisements! _Hundred Based on my more than ten years of experience in the industrial industry, there are too many manufacturers now making these things, and the quality and service of celery disassembly are mixed. The overall quality of imported products is relatively better, and those from established domestic manufacturers such as Chuanyi are also better. But if you want to emphasize cost-effectiveness, its best to find small and medium-sized enterprises to produce, and on the premise of ensuring quality, the first thing to say is that the price is much lower. 3. How to adjust parameters of flow meter
Flow meter parameter adjustment operation process: Equipment: Flow meter
1. In the initial interface, you can right-click to enter the system settings menu, enter the password, and press the left button to confirm and enter the settings system.
.2、 After entering the system, you can see that there are instantaneous flow parameters in the settings menu, which can be adjusted by moving up and down and pressing the right button to enter.
3、 When entering the second
4、 After entering the scale flow setting item, you can set the scale flow, which is the method for modifying the range of the electromagnetic flowmeter. The function of the flowmeter is fully digital processing, with strong anti-interference ability, reliable measurement, high accuracy, and a flow measurement range of up to 1500:1. Ultra low EMI switching power supply, suitable for a wide range of power supply voltage changes, with good EMI resistance performance. Adopting a 16 bit embedded microprocessor, it has fast computing speed, high accuracy, programmable low-frequency rectangular wave excitation, improved stability of flow measurement, and low power consumption. Using SMD devices and surface mount technology, the circuit has high reliability.
4. The main institution of Nanjing Institute of Metrology Supervision and Testing
The Market Development Department is the comprehensive department of our institute, responsible for the following job responsibilities:
1. Promote our institutes service brand, promote our institutes calibration and verification capabilities, undertake testing business, and sign various commissioned testing contracts on behalf of our institute;
;2、 Exercise the functions of the metrological administrative licensing review department, undertake the management of technical assessments of administrative licensing matters such as enterprise metrological standard assessment, manufacturing and repairing metrological instrument license assessment, metrological ins
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