安科瑞 崔庭宇
UL认证是由美国安全实验室（Underwriters Laboratories）提供的安全性认证服务。UL认证虽然不是强制的，但它是北美市场的保证，有UL标志的产品具有很高的市场认可度。
DJSF1352-RN导轨式直流电能表带有双路直流输入，主要针对电信****、直流充电桩、太阳能光伏等应用场合而设计，该系列仪表可测量直流系统中的电压、电流、功率以及正反向电能等。在实际使用现场，即可计量总电能，又可计量规定时间段内的电能。检测的结果既可用于本地显示，又能与工控设备、计算机连接，组成测控系统。
DJSF1352-RN rail-mounted DC power meter with double DC input channels, designed for telecommunicationsbase stations, DC charging piles, solar photovoltaic and other applications, this series of meters can measure thevoltage, current, power and forward and reverse energy and so on in the DC system.The actual use of the site, youcan measure the total power, but also measure the energy within a specified period of time. The test results can beused for local display, but also with industrial control equipment, computers to form a measurement and controlsystem.
仪表可具有红外通讯接口和RS-485通讯接口，同时支持Modbus-RTU协议和DLT645-97(07)协议；可带继电器报警输出和开关量输入功能；根据不同要求，通过仪表面板按键，对变比、报警、通讯进行设置；具有开关量事件记录(Modbus协议)、编程和事件设置记录(645协议)、数据瞬时和定时冻结功能(645协议)、电压电流功率最大值、最小值记录功能。
The meter can have infrared communication interface and RS-485 communication interface, and supportsModbus-RTU protocol and DLT645-97(07) protocol at the same time. The meter can have relay alarm output anddigital input function; You can set the ratio, alarm, and communication through the meter panel keys according todifferent requirements.The meter can have event recording of switch (Modbus protocol), programming and eventsetting records (645 protocol), instantaneous and timing freeze function of data (645 protocol), maximum andminimum value recording function of voltage and current power.
3.通讯接口 ：RS485，红外RS485, infrared
4.通讯协议：Modbus-RTU，DL/T 645-2007
5.开关量：开关量输出 2路继电器输出，2A/30VDC或2A/250VAC。开关量输入：2路干接点输入
6.脉冲输出：一路秒脉冲输出，一路电能脉冲输出
1.Measurement: double DC input
2.Display: 8 bits section LCD display
3.Communication interface: RS485, infrared
4.Communication protocol: Modbus-RTU, DL/T 645-2007
5.Switch: Switch output－2 Relay outputs, 2A/30VDC or 2A/250VAC
6.witch input－2 dry contact inputs
7.vPulse output: A second pulse output, a energy pulse output
DJSF1352在直流充电桩的现场应用图
UL证书可以保障产品的安全性和可靠性，为消费者提供更好的保护。也是对我司现有的工厂质量管理体系和产品质量的一种肯定，只有遵循国际化的品质要求才能做出让客户满意的产品，只有做让客户信得过的企业，才能持续为广大客户服务！
UL certification can ensure the safety and reliability of products, providing better protection for consumers. It is also an affirmation of our company's existing factory quality management system and product quality. Only by following international quality requirements can we produce products that satisfy customers. Only by becoming a trustworthy enterprise can we keep on serving our customers!
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