美国Vitrek 高精度高压表 4700型原装进口 产品简介:Vitrek 4700型高精度高压表 新型Vitrek 4700型精密高压表提供较高的测量精度,其彩色触摸屏非常简单易用。Vitrek采用DSP技术,能提供出色的AC与DC电压精度/稳定性和解析度,高达10kV RMS DC的精准高压测量;35kV、70kV和100kV高压可用 - SmartProbes。4700型采用了紧凑耐用的台式外壳,具有很高的便携性,可提供即时、直接的高压测量,其性能优于传统高压基准分压器,但又与专业的高压分压器不同。 产品特点及详细参数: 直接测量或HV-SMARTPROBE?,您的选择 Vitrek的4700型可直接精密测量峰值高达15KV的电压,开箱即用,无外部探头。对于90%的耐压测试器和其他高压源而言,已经足够;但是,如需扩大高压测量范围,只需增加一个或多个可选用的35KV、70KV和100KV HV-SmartProbes?。Vitrek HV-SmartProbes?可在插入4700型后下载得到的自身校准数据并存储,从而得到高精准的校准后读数,而且使任何Vitrek HV-SmartProbe?都能与任何4700型高压计配合使用。 HV-SmartProbe’s?特有的**低TC衰减器设计移除了电压系数加法器的使用,同时,其降低电容结构技术提高了AC性能。除直接输入端子外,4700型还有两个探头输入 - 一个用于扩大测量范围的探头或两个进行高压差分测量的探头。 **性能,设计体现 测量完整性是我们的较低要求 - 无论是制造高压医疗成像设备的生产线、进行突破性研究的**实验室,或是认证测试设备的校准实验室,都必须仔细挑选工具。为确保较高的测量精度,4700型每秒抽取40,000多个样点,然后对这些样点进行过滤、再抽样、缩放和偏移校正,以提供高达每秒60个强化读数 - 以上所有过程都采用了“**”数学算法。True RMS交流电读数能被正确读出,而DC测量则提供非常稳定的**快速处理。除此以外,4700型可提供低至0.01 Hz的VLF AC读数,以及波动、峰间、波峰因数和基频测量。 高压测试自动化 凭借4700型内置的以太网端口、高速串行通信端口或可用的GPIB,可实现高压测试要求的自动化。4700型可完全编程,因此可以自行选择测量模式和频宽,然后根据需要的频率读取读数。4700型标配有USB打印机端口,以获取读数和打印高压图,从而可以记录下标准耐压测试中的骤降或过冲。 特点: 高达10kV RMS DC的精准高压测量;35kV、70kV和100kV高压可用 - SmartProbes? 校准耐压测试器、高压电源和绝缘测试器 基本精度 - 直流电0.03% ,RMS交流电真值0.1% 彩色触摸屏 - 便于测量的选择和显示 通过标准以太网、串行端口、USB打印机端口及可选GPIB连接电脑 图标模式存储300个读数,以记录高压源漂移、斜升时间、过冲和电压骤降 双输入提供差分电压或相间电压测量 高速DSP每秒提供多达60个过滤后的读数 0.01Hz至600Hz的True RMS交流电测量 - 涵盖从VLF至航空频率 交流噪声抑制78dB - 稳固不变的6位DC量测 可选的锂离子电池组一次充电可工作11小时 EN61010认证标志 质保期可延至3年 Performance Specifications 4700 Direct Input Measurement Maximum Input Voltage 10KV DC, 10KV AC RMS, 15KV peak (110MΩ input impedance) DC Voltage Accuracy 0.03% of reading + 0.03V + ? digit AC Voltage Accuracy (True RMS, Band Selectable) 0.01 to 1Hz : 0.12% of reading + 0.1V + ? digit 10 to 65Hz : 0.12% of reading + 0.1V + ? digit 30 to 200Hz : 0.12% of reading + 0.1V + ? digit 200 to 450Hz : 0.4% of reading + 0.1V + ? digit 4700 HV-SmartProbe? Input Measurement Maximum Input Voltages HVL & HVP 35KV Probes 35KVDC, 30KV AC RMS, 42.5KV peak (200MΩ input impedance) HVL & HVP-70KV Probes 70KVDC, 50KV AC RMS, 71KV peak (400MΩ input impedance) HVL-100 Probe 100KVDC, 70KV AC RMS, 100KV peak (600MΩ input impedance) DC Voltage Accuracy HVL-35: 0.025% of reading + 0.07V + ? digit HVP-35: 0.035% of reading + 0.07V + ? digit HVL-70: 0.03% of reading + 0.2V + ? digit HVP-70: 0.04% of reading + 0.2V + ? digit HVL-100: 0.05% of reading + 0.3V + ? digit AC Voltage Accuracy (True RMS, Band Selectable) HVL/P-35 0.01 to 1Hz : 0.15% of reading + 0.2V + ? digit HVL-35 30 to 200Hz : 0.05% of reading + 0.2V + ? digit* HVP-35 30 to 200Hz : 0.1% of reading + 0.2V + ? digit HVL/P-35 200 to 450Hz : 0.6% of reading + 0.2V + ? digit HVL/P-70 0.01 to 1Hz : 0.2% of reading + 0.4V + ? digit HVL-70 30 to 100Hz : 0.075% of reading + 0.4V + ? digit* HVP-70 30 to 100Hz : 0.12% of reading + 0.4V + ? digit HVL/P-70 200 to 450Hz : 2.5% of reading + 0.4V + ? digit HVL-100 0.01 to 1Hz : 0.3% of reading + 0.6V + ? digit HVL-100 30 to 70Hz : 0.12% of reading + 0.6V + ? digit HVL-100 70 to 200Hz : 1% of reading + 0.6V + ? digit *measurement accuracy within ± 10Hz of calibration frequency General Specifications AC/DC Voltage Measurement Resolution Displayed Resolution: Selectable 4, 5 or 6 digits Direct Input .01V to 1400Vpk 0.1V to 14KVpk 1V above 14KVpk 35KV Probes .01 to 800Vpk 0.1V to 8KVpk 1V above 8KVpk 70KV Probes .01V to 1.6KVpk 0.1 V to 16KVpk 1V above 16KVpk 100KV Probe .01V to 2.4KVpk 0.1V to 24KVpk 1V above 24KVpk Measurement Functions DC Voltage, True RMS AC Voltage, Ripple, Peak to Peak, Crest Factor & Frequency Measurement (4 digits 0.01 Hz to 600Hz) Measurement Time User selectable down to 16mS (60 readings per sec.) Maximum Input to Common Terminal 3 KV Peak for 1 sec, no damage Accuracy Specifications Valid one year ± 5C from Cal temperature High Voltage Self Heating (DC & >20Hz) The effect of self heating induced as a result of applied voltage, is not included in the accuracy specifications, takes up to several minutes to become fully apparent and a similar time to dissipate. Direct Input <1.5ppm of reading per KV2 HVL 35 <0.4ppm of reading per KV2 HVP-35 <0.75ppm of reading per KV2 HVL-70 <0.14ppm of reading per KV2 HVP-70 <0.25ppm of reading per KV2 HVL-100 <0.07ppm of reading per KV2 Environmental/Physical Operating Environment 0 to 50C, <85% RH (non-condensing) Dimensions 218mm (8.5") wide x 130mm (5") high x 253mm (10")deep, nominally Weight 2.4kg max (4kg shipping) Power AC Source 45 to 450Hz, 100 to 265Vrms at <15W (20VA) using supplied external power supply DC Source 11 to 16Vdc at <1.2A, using a center positive 2.5mm DC power connector BP-47 Battery Option Up to 11hrs continuous operation from fully charged Standard Accessories The 4700 is shipped with a NIST traceable certificate of calibration with data, direct input test leads, chassis ground lead, and external power supply. The HVP series handheld probes ship with a detachable probe tip and the HVL series probes ship with external power supply. Warranty 3 year extended parts and labor warranty with no charge registration and annual factory calibration. 1 year standard warranty.