电阻温度计BWDK-S3208E

电阻温度计BWDK-S3208E 

本仪器精度高，误差小，抗干扰能力强，寿命长，特别适合在高温高湿等恶劣环境下工作

电阻温度计BWDK-S3208E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。

电阻温度计BWDK-S3208E 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.

仪器符合JB/T7631-2005 标准。 The instrument complies with Standard JB/T7631-2005.

1. 仪器连续工作环境：温度：0 ～ 50℃；相对湿度：小于90%RH（25℃）。

Conditions for continuous operation of the instrument: Temperature: 0 ～ 50℃ , relative humidity: less than 90%RH（25℃）.

短时间工作环境：温度：－ 50 ～ 75℃。

Conditions for short-time operation of the instrument: Temperature: － 50 ～ 75℃ .

2. 工作电源：AC220V±10%；频率50Hz±4%。仪表保护装置5A 熔丝。

Working power supply: AC220V±10%, frequency 50Hz±4%. A 5A fuse for the instrument protector.

3. 温度测量范围：－ 50 ～ 200℃。

Temperature measurement range: － 50 ～ 200℃ .

4. 温度测量准确度：0.5 级。

Temperature measurement precision: Class 0.5.

5. 显示方式：LED 每隔4 秒循环显示A、B、C 三相温度或定点显示三相温度的*大值，分辨力为0.1℃。

Display mode: A LED displays temperature of Phase A, B and C in turn every 4 seconds, or displays the highest three-phase

temperature periodically, with resolution being 0.1℃ .

6. 输出方式：输出报警、跳闸和传感器故障，继电器接点容量AC250V/10A。

Output mode: Output alarm, trip and sensor fault. Relay contact capacity is AC250V/10A.

7. 启动风机：控制4 ～ 6 台风机，继电器接点总容量AC250V/30A。

Fan startup: Control 4-6 fans, and total relay contact capacity is AC250V/30A.

8. 耐压实验：2500VAC、60Hz、60 秒。

Withstanding-voltage test: 2500VAC, 60Hz and 60 seconds.

9. 外形尺寸：80（H）×160（W）×135（D）mm3。

Dimensions: 80（H）×160（W）×135（D）mm3.

10. 开孔尺寸：77（H）×153（W）mm2

Perforate dimensions: 77（H）×153（W）mm2.

11. 模拟量输出：三路4-20mA，对应A、B、C 相温度0-200℃，或一路4-20mA 对应A、B、C 相中*大值温度0-200℃，

精度1%±1 个字，负载电阻≤ 600Ω。

Analog output: Three-line 4-20mA output corresponds with temperature of Phase A, B and C (0-200 ℃ ), or one-line

4-20mA output corresponds with the highest temperature of 0-200℃ among Phase A, B and C. Precision is within 1%±1 and load

resistance is ≤ 600Ω.

12. 数字量输出：RS232 或RS485 串行通讯接口，采用Modbus 通讯协议。

Digital output: RS232 or RS 485 serial communication interface, with Modbus Communication Protocol being adopted.

企业名片