电站测温用热电阻WZP-621B 供应
电站测温用热电阻 WZP-621B
中文介绍
WZP-621B 热电阻是专为电站测温场景精心设计的高精度温度测量元件。它采用优质铂丝作为感温元件，铂丝具有良好的化学稳定性、抗氧化性和抗腐蚀性，能够在电站复杂的运行环境和较高温度区间内长期稳定工作，确保测量结果的准确性和可靠性。其测量范围广泛，能够精准覆盖电站设备运行过程中常见的温度区间，无论是发电机绕组、变压器油温还是汽轮机轴承等关键部位的温度监测，都能轻松应对，为电站的安全运行提供精准的温度数据支持。在结构设计上，WZP-621B 采用坚固耐用的外壳，有效防护内部元件免受外界机械冲击、灰尘侵入以及电磁干扰，同时，其引线连接部分经过特殊处理，具备良好的电气绝缘性能和抗干扰能力，确保信号传输稳定、准确，避免因信号干扰导致的测量误差。此外，该热电阻的安装方式灵活多样，可根据电站设备的具体结构和安装空间，选择合适的安装位置和方式，方便快捷地进行安装与维护，大大降低了电站设备测温系统的建设与运维成本，是电站温度测量领域不可或缺的优质产品。
English Introduction
The WZP-621B thermoresistance is a high-precision temperature measuring element specifically designed for temperature measurement in power stations. It features a high-quality platinum wire as the temperature-sensing element. Platinum wire is known for its excellent chemical stability, oxidation resistance, and corrosion resistance, enabling the thermoresistance to work reliably in the complex operating environment and higher temperature range of power stations. This ensures the accuracy and reliability of the measurement results. The WZP-621B has a wide measurement range, capable of accurately covering the common temperature range of power station equipment operation. Whether it is the temperature monitoring of generator windings, transformer oil, or steam turbine bearings, this thermoresistance can handle it with ease. It provides precise temperature data support for the safe operation of power stations. In terms of structural design, the WZP-621B is equipped with a robust casing that effectively protects the internal components from external mechanical shocks, dust ingress, and electromagnetic interference. Additionally, the lead connection part of the thermoresistance has been specially treated to ensure good electrical insulation and anti-interference capabilities, ensuring stable and accurate signal transmission and avoiding measurement errors caused by signal interference. Moreover, the WZP-621B offers flexible installation options. Depending on the specific structure and installation space of the power station equipment, it can be installed in a suitable location and manner, making installation and maintenance convenient and fast, and significantly reducing the construction and maintenance costs of the power station temperature measurement system. It is an essential high-quality product in the field of power station temperature measurement.
电站测温用热电阻
WZC-130B，WZP-220B，WZP-221B，WZP-230B，WZP-231B，WZP2-220B，WZP2-221B，WZP2-230B，WZP2-231B，WZP-220AB，WZP2-220AB。WZC-220B，WZC-230B，WZC-220AB，WZP-320B，WZP-321B，WZP-330B，WZP-331B，WZP2-320B，WZP2-321B，WZP2-330B，WZP2-330B，WZC-320B，WZC-320B，WZP-420B，WZP-421B，WZP-430B，WZP-431B，WZP2-420B，WZP2-421B，WZP2-430B，WZP2-431B，WZP-42AB，WZP2-42AB，WZC-420B，WZC-430B，WZP-420B，WZP-421B，WZP-430B，WZP-430B，WZP-431B，WZP2-420B，WZP2-421B，WZP2-430B，WZP2-431B，WZP-42AB，WZP2-42AB，WZP-420B，WZC-430B，WZP-621B，WZP-621AB，WZP-631B，WZP2 -621B，WZP2 -621B，WZP2 -631B，WZP-621B，WZP-631B，WZP-621B，WZP2 -631B，WZP-621AB，WZP2-621AB，WZP-002，WZP-003，WZP-003A，WZCM-201，WZPM-201，WZPM-201，WZP-270S，WZP-26S，WZP-236SB，
量程规格
名 称 分度号 测温范围 ℃ 精度等级 允 差Δt
镍铬－镍硅热电偶 K 0～800 2 ±2.5℃或 ±0.75％t
镍铬－铜镍热电偶 E 0～600 2 ±2.5℃或 ±0.75％t
铂热电阻 Pt100 -200～500 B ±（0.3＋0.005|t|）
注：t为感温元件实测温度或实测温度的值。
□公称压力
一般是指在常温下，保护管所能承受的静态外压而不破裂，试验压力一般采用公称压力的1.5倍。实际上，允许工作压力不仅与保护管材料、直径、壁厚有关，而且还与其结构形式、安装方法、置入深度以及被测介质的流速、种类有关。
□热电偶绝缘电阻
常温绝缘电阻的试验电压为直流500Ｖ。测量常温绝缘电阻的大气条件为：温度15～35℃，相对湿度45％RH，大气压力86～106kPa。
对于长度超过1米的热电偶，它的常温绝缘电阻值与其长度的乘积应不小于100MΩ•m，
即：Rr•L＞100MΩ•mL＞1m
式中：Rr-热电偶的常温绝缘电阻值，MΩ；
L－热电偶的长度，m。
对于长度等于或不足1米的热电偶，它的常温绝缘电阻值应不小于100MΩ。
□热电阻绝缘电阻
常温绝缘电阻的试验电压可取直流10～100Ｖ任意值，环境温度应在15～35℃范围内，相对湿度应不大于80％RH，常温绝缘电阻值应不小于100MΩ。
□热电阻允许通过电流
通过铂电阻的测量电流大不超过5mＡ。
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