bwdk3207变压器温度巡检仪 电阻式温度计是由微处理器构成的智能仪器，它使用三只铂电阻作传感器，测量干式变压 器三相绕组的温度。根据设定的温度值，启停风机进行温度控制。仪器具有各种声光报警功能，是保护干式变压器的 重要装置。 bwdk-s series of dry-type transformer temperature controller is an intelligent instrument equipped with a microprocessor. it uses three platinum resistances as sensors to measure the temperature of three-phase windings of the dry-type transformer, and start and stop the fan for temperature control according to preset temperature value. with various sound and light alarm functions, the instrument is an important device for protecting the dry-type transformer. bwdk3207变压器温度巡检仪符合jb/t7631-2005 标准。 the instrument complies with standard jb/t7631-2005. bwdk3207变压器温度巡检仪具有以下特点： the instrument has features as follows: 1. bwdk3207变压器温度巡检仪可以测量干式变压器三相绕组的温度，用led 每隔4 秒循环显示三相温度值或定点显示三相温度大值。 it is capable of measuring the temperature of three-phase windings of the dry-type transformer, displaying in turn three-phase temperature values with a led every 4 seconds or displaying the highest three-phase temperature periodically. 2. bwdk3207变压器温度巡检仪可以用按键输入4 种温度设定值。当测量温度超过各设定值时，分别控制风机启停、超温报警、超高温跳闸等。 温度设定值可以随时修改，断电后不会消失。 four preset temperature values can be input by keystroke. when the measured temperature exceeds preset values, the instrument will respectively control startup and stop of the fan, over-temperature alarm, ultra-high temperature trip, etc. the preset temperature values can be modified at any time, and will remain after the instrument is switched-off. 3. bwdk3207变压器温度巡检仪具有传感器断线故障检测功能。 the instrument is capable of detecting the broken-line fault of the sensor. 4. bwdk3207变压器温度巡检仪具有风机依设定温度自动定时启动和手动启动功能。仪器可设定1-250 小时内自动启动风机1 分钟。 the instrument has the function of automatic timing startup and manual startup according to the preset temperature, and can set automatic fan startup for 1 minute within 1-250 hours. 5. bwdk3207变压器温度巡检仪具有温度历史大值记录功能。 the instrument is capable of remembering the highest temperature ever occurred. 6. 根据使用需要，仪器可以提供数字量或模拟量输出。 the instrument is capable of providing digital or analog output as required. 7.bwdk3207变压器温度巡检仪面板上有绿色的状态指示灯，风机运转指示灯为黄色，而超温、故障和跳闸状态指示灯为红色。 there is a green status indicator light on the instrument panel. the indicator light turns yellow when the fan operates and tur