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Vitrek 4700型精密高壓表15KV/35KV/70KV/100KV
所屬類別:高壓表
產品簡介:新型Vitrek 4700型精密高壓表提供最高的測量精度,其彩色觸摸屏非常簡單易用。Vitrek采用DSP技術,能提供出色的AC與DC電壓精度/穩定性和解析度,高達10kV RMS DC的精準高壓測量;35kV、70kV和100kV高壓可用 - SmartProbes?。4700型采用了緊湊耐用的臺式外殼,具有很高的便攜性,可提供即時、直接的高壓測量,其性能優于傳統高壓基準分壓器,但又與專業的高壓分壓器不同。
  • 產品特點
  • 產品參數
  • 應用說明
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  • 資源下載

直接測量或HV-SMARTPROBE™,您的選擇
       Vitrek的4700型可直接精密測量峰值高達15KV的電壓,開箱即用,無外部探頭。對于90%的耐壓測試器和其他高壓源而言,已經足夠;但是,如需擴大高壓測量范圍,只需增加一個或多個可選用的35KV、70KV和100KV HV-SmartProbes™。Vitrek HV-SmartProbes™可在插入4700型后下載得到的自身校準數據并存儲,從而得到高精準的校準后讀數,而且使任何Vitrek HV-SmartProbe™都能與任何4700型高壓計配合使用。
 
       HV-SmartProbe’s™特有的超低TC衰減器設計移除了電壓系數加法器的使用,同時,其降低電容結構技術提高了AC性能。除直接輸入端子外,4700型還有兩個探頭輸入 - 一個用于擴大測量范圍的探頭或兩個進行高壓差分測量的探頭。
 
卓越性能,設計體現
       測量完整性是我們的最低要求 - 無論是制造高壓醫療成像設備的生產線、進行突破性研究的國家級實驗室,或是認證測試設備的校準實驗室,都必須仔細挑選工具。為確保最高的測量精度,4700型每秒抽取40,000多個樣點,然后對這些樣點進行過濾、再抽樣、縮放和偏移校正,以提供高達每秒60個強化讀數 - 以上所有過程都采用了“無誤差”數學算法。True RMS交流電讀數能被正確讀出,而DC測量則提供非常穩定的超快速處理。除此以外,4700型可提供低至0.01 Hz的VLF AC讀數,以及波動、峰間、波峰因數和基頻測量。
 
高壓測試自動化
       憑借4700型內置的以太網端口、高速串行通信端口或可用的GPIB,可實現高壓測試要求的自動化。4700型可完全編程,因此可以自行選擇測量模式和頻寬,然后根據需要的頻率讀取讀數。4700型標配有USB打印機端口,以獲取讀數和打印高壓圖,從而可以記錄下標準耐壓測試中的驟降或過沖。
 
特點:
高達10kV RMS DC的精準高壓測量;35kV、70kV和100kV高壓可用 - SmartProbes™
校準耐壓測試器、高壓電源和絕緣測試器
基本精度 - 直流電0.03% ,RMS交流電真值0.1%
彩色觸摸屏 - 便于測量的選擇和顯示
通過標準以太網、串行端口、USB打印機端口及可選GPIB連接電腦
圖標模式存儲300個讀數,以記錄高壓源漂移、斜升時間、過沖和電壓驟降
雙輸入提供差分電壓或相間電壓測量
高速DSP每秒提供多達60個過濾后的讀數
0.01Hz至600Hz的True RMS交流電測量 - 涵蓋從VLF至航空頻率
交流噪聲抑制78dB - 穩固不變的6位DC量測
可選的鋰離子電池組一次充電可工作11小時
EN61010認證標志
質保期可延至3年

EN-VISION

The Vitrek 4700 Precision High Voltage Meter offers the highest level of measurement accuracy, yet is surprisingly easy to use. Vitrek has harnessed DSP technology to provide outstanding AC & DC voltage accuracy, stability and resolution. Performance that rivals traditional HV reference dividers, yet unlike the delicate HV divider, the 4700 provides instant, direct, high voltage measurements in a highly portable, compact and rugged bench top enclosure.

4700-chart-mode-screen

The 4700’s large, high resolution, color, touch graphic display simultaneously shows the AC and DC content of the voltage being measured and can plot readings from a few seconds to several days.

Direct Measurement or HV SmartProbe™

Vitrek’s 4700 precisely measures voltages directly up to 10KV, right out of the box – with no external probes. That’s high enough for most of the HV sources out there. However, should you care to expand your high voltage measurement range – just add one or more of the available 35KV, 70KV, 100KV and 150KV SmartProbes™. The Vitrek SmartProbes™ each store their own calibration data which is down loaded when they are plugged in to the 4700 – this results in high accuracy, calibrated readings and allows any Vitrek SmartProbe™ to be used with any 4700 High Voltage Meter. The SmartProbe’s™ proprietary, ultra-low TC attenuator design minimizes self-heating – while its lower capacitance construction technology enhances AC performance. In addition to the direct input terminal the 4700 has two probe inputs – use one probe to extend your measurement range or use two probes for making high voltage differential measurements.

Superior Performance by Design

Measurement integrity is our bottom line – whether you are on a production line manufacturing high voltage medical imaging equipment, in a national laboratory conducting ground breaking research or in the cal lab certifying test equipment, it is essential to choose your tools carefully. To insure the best possible measurement accuracy, the 4700 makes over 40,000 reading per second which are then filtered, sub-sampled, scaled and offset corrected – all with “error free” mathematic methodology. The True RMS AC readings are as true as they come, while the DC measurements offer rocket fast settling with rock solid stability. In addition to this, the 4700 provides VLF AC readings down to 0.01 Hz, as well as, peak to peak, crest factor and fundamental frequency measurement. Available G series probes offer extremely high input impedance options for electrostatic voltmeter applications.

High Voltage Test Automation

Automate your HV test requirement with the 4700’s built-in Ethernet port, high speed serial communication port or available GPIB. The 4700 is fully programmable – so you can select your measurement mode and bandwidth, then take readings as often as desired. The 4700 also comes standard with a USB printer port, to capture readings and get hardcopy printouts of HV plots – so you can document the sag or overshoot in a typical hipot test.

Available ISO 17025 Accredited Calibration

The 4700 and probes come with an ISO 17025 accredited calibration certificate with data at no charge. Vitrek is accredited to ISO 17025 by A2LA. Consider Vitrek at the forefront when it comes to your annual calibrations for the 4700 and probes.


Abbreviated 4700 Performance Specifications

For full specifications, please see the Operator’s manual available in the Downloads tab.

Maximum Voltage Measurement (Input Impedance)
Direct Input Terminal 10KVDC, 10KVACrms (110 Meg ohms)
HVL-35 / HVP-35 Probe 35KVDC, 30KVACrms (200 Meg ohms)
HVL-35G Probe 35KVDC (10 Gig ohms)
HVL-70 Probe 70KVDC, 50KVACrms (400 Meg ohms)
HVL-70G Probe 70KVDC (20 Gig ohms)
HVL-100 Probe 100KVDC, 75KVACrms (600 Meg ohms)
HVL-100G Probe 100KVDC (30 Gig ohms)
HVL-150 Probe 140KVDC, 100KVACrms (1000 Meg ohms)
DC Voltage Measurement Accuracy (Resolution)
Direct Input Terminal 0.03% of reading + 0.03V (10mV)
HVL-35 / HVP-35 Probe 0.035% of reading + 0.07V (100mV)
HVL-35G Probe 0.25% of reading + 1.5V (1V)
HVL-70 Probe 0.04% of reading + 0.2V (1V)
HVL-70G Probe 0.35% of reading + 3.5V (1V)
HVL-100 Probe 0.05% of reading + 0.3V (1V)
HVL-100G Probe 0.5% of reading + 15 (10V)
HVL-150 Probe 0.08% of reading + 0.7V (10V)
AC Voltage Measurement Accuracy (Resolution)
Direct Input Terminal 0.12% of reading + 0.1V (10mV)
HVL-35 / HVP-35 Probe 0.1% of reading + 0.2V (100mV)
HVL-70 Probe 0.1% of reading + 0.4V (1V)
HVL-100 Probe 0.1% of reading + 0.6V (1V)
HVL-150 Probe 0.5% of reading + 1V (10V)
High Voltage Self Heating Effect
Direct Input Terminal 1.5 ppm of reading per KV2
HVL-35 / HVP-35 Probe 0.4 ppm of reading per KV2 / 0.75 ppm of reading per KV2
HVL-70 Probe 0.14 ppm of reading per KV2
HVL-100 Probe 0.14 ppm of reading per KV2
HVL-150 Probe 0.2 ppm of reading per KV2
General Specifications
AC/DC Voltage Measurement Resolution Selectable 4, 5 or 6 digits
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 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
Interfaces LAN (Ethernet), RS232/Serial and USB printer port standard. GPIB optional.
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
DC Source 11 to 16Vdc at <1.2A, using a center positive 2.5mm DC power connector
BP-47 Battery Option Up to 11 hours continuous operation

Standard Accessories

The 4700 is shipped with an ISO 17025 cal cert with data and uncertainties, direct input test leads, chassis ground lead, operator’s manual, and external power supply. All probes ship with an ISO 17025 cal cert with data and uncertainties. The HVP handheld probes comes with a detachable probe tip and the HVL series probes ship with a toroid corona shield.

Warranty

3 year extended parts and labor warranty with no charge registration and annual factory calibration. 1 year standard warranty.

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