产品简介
NARL-C变压器空载负载特性测试仪是专用于变压器空载损耗、短路损耗、零序阻抗、短路阻抗的仪器，空载损耗和短路损耗是发电机、电动机、变压器试验的重要项目；根据GB1094.5-85和IEC14/268CD规定，短路阻抗的变化量是判断变压器绕组有无变形的判据。该仪器电路设计精巧，思路独特，使得其性能优越，功能强大，体积小，重量轻，现场使用***方便。该仪器内部采用***的多A/D同步交流采样及数字信号处理技术，成功的解决了低功率因数测量及多路信号在市电条件下同步测量和计算的难题，和乘法器功率测量技术相比具有***的优越性，NARL-C变压器空载负载特性测试仪操作简单方便，数据准确可靠，可完全取代传统仪表的测试方法，可显示并记录用户关心的所有测量数据，可作为现场高精度交流指示仪表使用。使用该仪器可大大提高工作效率，减轻劳动强度。
产品别名
变压器空负载测试仪、变压器空载及负载特性测试仪、变压器损耗测试仪、变压器空载负载测试仪
产品特性
1、可测量各种类型的变压器的空载电流、空载损耗、阻抗电压、短路损耗。
2、电压回路宽量限：测量电压750V，不用切换档位即可***测量精度。不会因电压档位选错而对仪器本身有所损坏。
3、大屏幕、高亮度的液晶显示，全汉字菜单及操作提示实现友好的人机对话，操作更简便。
4、用户可将测试数据实时打印出来。
5、采用数字同步采样技术，准确测量三相用电设备的电压、电流、功率、等参数的真有效值，测量精度为0.2级。
6、NARL-C变压器空载负载特性测试仪可取代九块同等级的指针仪表，是传统电量测试仪表的理想换代产品。
产品参数
输入特性：
电压测量范围：0~750V 宽量限。
电流测量范围：0~100A 内部自动切换量程。
准确度：
电压、电流：±0.2%
功率：±0.2%（COSΦ＞0.1），±0.5%（0.02 ＜CosΦ＜0.1）
3、工作温度：－10℃~ +40℃
4、工作电源：交流160V~265V
5、绝缘：
电压、电流输入端对机壳的绝缘电阻≥100M?。工作电源输入端对外壳之间承受工频2KV（有效值），历时1分钟实验。
6、体积：45cm×30cm×21cm
7、重量：3Kg
Product introduction
NARL-C transformer unloaded &loaded characteristic tester is dedicated to the transformer unload loss,short-circuit loss , zero sequence impedance,short-circuit impedance of the instrument,unload loss and short-circuit losses are generators,motors,transformers trials important items; according to GB1094.5-85 and IEC14/268CD regulations,changes in the amount of short-circuit impedance transformer winding is to determine whether the deformation of the sole criterion.The instrument circuit design is exquisite,unique ideas,making its performance is superior,powerful,small size,light weight,extremely easy to use site.The internal instrument uses advanced multi-A / D Synchronous AC sampling and digital signal processing technology,the successful solution of the low power factor measurement and multi -channel signal in the city,under the conditions of simultaneous measurement and calculation of the problem, and the multiplier power measurement technology has significant advantages over,NARL-C transformer no-load load Tester easy operation , accurate and reliable data that can completely replace the traditional instrumentation of the test method,the user can display and record all measurement data concerned,can be used as on-site precision AC indicating instrument used. Use instrument can greatly improve efficiency, reduce labor intensity.
Also called name
Transformer unloaded &loaded characteristic tester, Transformer unloaded &loaded characteristic test device, transformer loss tester, transformer unloaded &loaded tester
The Characteristics of the products
1,Measure the transformer load loss, load current, load loss, impedance voltage, zero sequence impedance, short-circuit impedance, voltage RMS, average voltage, current, power, power factor, frequency and other parameters.
2,All the data are in the same cycle synchronous measurement, ensure that the mains accurate measurement results under the conditions of rationality.
3,With automatic waveform distortion correction, voltage correction, current correction, temperature correction, without any manual calculations.
4,The instrument allows the measuring range can be measured directly, can be an external primary voltage transformer and current transformer if beyond the measuring range..
5,Can be locked for transcribing data while storing and printing all measurements, the instrument does not power down memory built, long-term measurement data is saved and ready for inspection.
6,With large blue LCD screen, full English menu and operation prompt, easy and intuitive.
7,Power-fail protective calendar and clock function.
The parameters of the products
1,Basic measurement accuracy: voltage, current: 0.2% ± 3 words
2,Power: 0.5 (cosφ> 0.1), 1.0 grade (0.01 3, the voltage measuring range: AC0 ~ 800V
4,The current measurement range: AC0 ~ 80A
5,The frequency range: 45 ~ 60Hz
6,Working temperature: -10 ℃ ~ 40 ℃
7,Humidity: 10% ~ 85%
8,Storage temperature: -20 ℃ ~ 50 ℃
9,Dimension : 370mm × 260mm × 160mm
10,Weight: 7kg (not including test line)
