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NADS Multi-functional Energy Meter Calibrator    NADS多功能電能表現場校驗儀

產品簡介 

NADS多功能電能表現場校驗儀多功能電能表現場校驗儀是南澳電氣開發、研制的集電參量測量、電能表校驗、接線判斷為一體的高精度測試儀器。該儀器配以高精度、高線性度的電壓互感器和電流互感器，使儀器對各種參量的測量精度很高，同時配有鉗形電流互感器，使得現場接線簡便，無需斷開電流回路即可直接接入。

NADS多功能電能表現場校驗儀采用大屏幕彩色液晶作為顯示器，中英文圖形化操作界面并配有漢字提示信息、多參量顯示的液晶顯示界面，人機對話界面友好，向量圖顯示及接線判斷為檢查電路的正確性提供了可靠的依據。全觸摸式導電硅膠鍵盤操作方式，操作手感好，簡便易學。儀器內置大容量掉電不丟失數據存儲器，可將現場校驗數據保存下來，最多可存儲1000組現場校驗結果，可提供后臺微機管理軟件，將結果上傳至計算機，實現微機化管理。

NADS多功能電能表現場校驗儀采用本公司獨立設計開模制造的工程塑料外殼，儀表外形美觀、實用。現場測試操作方便。

本機操作時中可以打開后部的支架放在桌面使用，亦可手持操作使用。為方便手持操作，本機可增加固定手持操作的緊固帶。手持操作時可以將手固定在儀器的左側，保證了手持操作的方便靈活。

產品別名

電能表校驗儀，電能表現場校驗儀，三相電能表現場校驗儀，電能表現校儀

產品特性

1、儀器是集電能表校驗、電參量測試和檢測電網中發生波形畸變、電壓波動和三相不平衡等電能質量問題為一體的高精度測試儀器。

2、不停電、不改變計量回路、不打開計量設備情況下，在線實負荷檢測計量設備的綜合誤差。

3、精確測量電壓，電流，有功功率，無功功率，相角，功率因數，頻率等多種電參量，從而計算出測試設備回路的測量誤差。

4、可顯示被測電壓和電流的矢量圖，用戶可以通過分析矢量圖得出計量設備接線的正確與否。同時，在三相三線接線方式時，可自動判斷48種接線方式；追補電量自動計算功能，方便使用人員對接線有問題的用戶計算追補電量。

5、電流回路可使用鉗形互感器進行測量，操作人員無須斷開電流回路，就可以方便、安全的進行測量。

6、可校驗電壓表、電流表、功率表、相位表等指示儀表以及三相三線、三相四線、單相的1A、5A的各種有功和無功電能表。

7、可采用光電、手動、脈沖等方式進行電能表校驗。

8、測量分析公用電網供到用戶端的交流電能質量，其測量分析：頻率偏差、電壓偏差、電壓波動、三相電壓允許不平衡度和電網諧波。

9、可顯示單相電壓、電流波形并可同時顯示三相電壓、電流波形。

10、負荷波動監視：測量分析各種用電設備在不同運行狀態下對公用電網電能質量造成的波動。記錄和存儲電壓、電流、有功功率、無功功率、視在功率、頻率、相位等電力參數。

11、 電力設備調整及運行過程動態監視，幫助用戶解決電力設備調整及投運過程中出現的問題。

12、 測試分析電力系統中無功補償及濾波裝置動態參數并對其功能和技術指標作出定量評價。

13、可選配條碼掃描器，對電表的條碼進行自動錄入。

14、電能表的485通訊接口進行檢測，并能完成現場校驗多功能（智能）電能表的工作需求，可根據電表中已設置的需量周期和滑差的時間對需量進行誤差校驗。

15、具備萬年歷、時鐘功能，實時顯示日期及時間?？稍诂F場校驗的同時保存測試數據和結果，并通過串口上傳至計算機，通過后臺管理軟件（選配件）實現數據微機化管理。

16、采用大屏幕進口彩色液晶作為顯示器，中英文圖形化操作界面并配有漢字提示信息、多參量顯示的液晶顯示界面，人機對話界面友好。

17、體積小、重量輕，便于攜帶，既可用于現場測量使用，也可用做實驗室的標準計量設備。

NADS Multi-functional Energy Meter Calibrator

Product introduction

NADS Multi-functional energy meter calibrator is the latest development of high precision testing instrument in our company, which has functions of electric parameter measurement, energy meter calibration and wiring judgment. The instrument is equipped with high precision and high linearity of voltage transformer and current transformer to make high measuring precision of various parameters, at the same time, it is equipped with clip-on current transformer, that makes the field wiring simple, it can directly access without interrupting current circuit.

Also called name

Single-phase Energy Meter Calibrator; single-phase watt-hour meter tester; single-phase energy meter on-site Calibrator, NADS Multi-functional Energy Meter Calibrator

The Characteristics of tester

(1) The instrument is a high precision measuring instrument, which can be used in the calibration of electric energy meter, testing of electrical parameters, detection of waveform distortion, voltage fluctuation, unbalanced three-phase and other power quality problems occurred in the power grid.

(2) The instrument can detect the integrated error of measuring equipment on line on the case of no power failure, without changing the measuring circuit and do not open the metering equipment.

(3) The precise measurement of voltage, current, active power, reactive power, phase angle, power factor, frequency and other electrical parameters to calculate the measurement error of the test equipment circuit.

(4) It can display the measured voltage and current vector diagram, the user can analyze the wiring of the measuring equipment is correct or not through the analysis of vector diagram. Meanwhile, when in the three-phase three-wire connection mode, it can automatically determine 48 kinds of wiring; Automatic calculation function of electricity compensation facilitates the operator to calculate the electricity compensation for the user whose wiring has problem.

(5) Clip-on transformer is used to measure the current circuit, the operator does not need to disconnect the current circuit, the measurement is convenient and safe.

(6) It can calibrate voltmeter, ammeter, power meter, phase meter and other indicating instruments, and also can measure variety of 1A or 5A three-phase three-wire, three-phase four-wire and single phase of active and reactive energy meters.

(7) Can use photoelectric, manual, pulse and other methods to calibrate the energy meter.

(8) Measurement and analysis of the AC power quality from the grid to the client, the measurement include: frequency deviation, voltage deviation, voltage fluctuation, three-phase voltage unbalance and harmonic.

(9) it can display the single-phase voltage, current waveform, it also can display the three-phase voltage and current waveform at the same time.

(10) Load fluctuation monitoring: measuring and analyzing the fluctuation of power quality caused by the power quality of the public power grid under different operating conditions. Recording and storage voltage, current, active power, reactive power, apparent power, frequency, phase and other power parameters.

(11) Dynamic monitoring the adjustment and operation of electrical equipment, to help users solve the problems occurred during adjustment and operation.

(12) Test and analysis the reactive power compensation and the dynamic parameters of filtering device in power system, and make quantitative evaluation on their function and technical specifications.

(13) With optional bar code scanner, can automatically enter the bar code of meter.

(14) Can test the communication interface 485 of energy meter, and also can make on-site calibration for multifunctional (intelligent) energy meter, can carry out error checking according to the demand cycle and slip time which has been set in the meter.

(15) With calendar and clock function, real-time display date and time.

(16) Can save the test results and on-site calibration at the same time, and uploaded to the computer through the serial port to realize computerized management of data by the backstage management software (optional).