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This article is reproduced from: http://www.myzdhsh.com/News/446.html. Keywords of this article: Yokogawa temperature transmitters. http://www.myzdhsh.com/ Regular maintenance of Yokogawa temperature transmitters is very important for instruments; such maintenance helps to identify and resolve issues promptly, which not only extends their service life but also reduces malfunctions during use. So, what aspects should we check when performing routine maintenance? Below, the editor will introduce it to you. When performing routine inspections on Yokogawa temperature transmitters, we generally start from four aspects: inspection of the temperature-sensing element, visual inspection, inspection of the temperature well, and internal inspection. Well, then the editor will introduce it to you all. 1. Inspection of the temperature sensing element. The heat-conducting sheet of the resistor should be in close contact with the inner wall of the thermometer’s protective sleeve ； The protective sleeve is intact, without any scratches, rust, or dents ； The metal resistance wire is neatly wound, with no exposure or contact with the casing; the frame is intact and shows no significant bending ； The leads and temperature-sensing elements should be dry, rust-free, clean, and intact. 2. Visual inspection. Check for any damage, cracks, paint peeling on the casing, as well as any defects in the fasteners or signs of impact. 3. Internal inspection. Check the spare parts, components, and connectors for any signs of breakage, corrosion, poor sealing, defects, or deformation. 4. Inspection of warm wells. Check the rust and installation condition of the temperature well; there should be no obvious visible defects. The verification of the measurement performance of Yokogawa temperature transmitters can be carried out in two ways: without a sensor and with a sensor. 1. Inspection without sensors: Disconnect the sensing elements of the transmitter, such as thermal resistors and thermocouples, and use an inspection device along with a standard resistance source to calibrate the signal conversion part of the transmitter separately. 2. Sensor-based calibration: Insert the sensing part of the transmitter into a standard temperature source, and adjust the standard temperature input to calibrate the transmitter’s output current. Shanghai Mengyan Automation Equipment Co., Ltd. Address: Room 1119, Jiahong Building, No. 639 Guangfulin Road, Songjiang, Shanghai. Contact person: Xu Gong. Mobile phones: 18616582302 / 18616582330. QQ: 764861476. Email: sales@shmyzdh.com