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南澳電氣武漢有限公司

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南澳電氣NAGKT-I數字式高精度電氣儀表試驗臺

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    • GIS電器開關斷路器測試儀器 南澳電氣NAGKT-I數字式高精度電氣儀表試驗臺 NAGKT-I electrical instrument test bed 一:南澳電氣NAGKT-I數字式高精度電氣儀表試驗臺概述 NAGKT-I型數字式高精度電氣儀表校驗試驗臺(也叫做:數字式多用表校驗儀、三表校驗儀)是一種LED五位數字式交、直流標準電壓、電流發生器,用于校驗數字式電表、各種指針式電表及直流0.2級,交流0.5級以下各類表頭。本儀器電壓輸出五檔(0~1000V);電流輸出六檔(0~10A);可以選配:中值電阻2×11檔(0Ω~24MΩ);交流頻率50Hz,60Hz,400Hz(數字合成,按鍵選擇)。以上項目及量程變換均通過內部開關轉換。采用最新的16位A/D轉換芯片,轉換速度和精度得到了大幅度提高;AC/DC采用真有效值轉換芯片,保證了交流輸出的精度;整機線性度好。采用了新型的復合大功率放大器,輸出功率強大,可靠性高,失真度小。輸出調節采用進口電位器,壽命長,調節細度高。整機采用“閉環控制”,輸出穩定度高。電壓短路、電流開路自動保護,完全符合新三表鑒定規程。 二、南澳電氣NAGKT-I數字式高精度電氣儀表試驗臺工作原理: 本儀器有數字合成正弦波發生器單元、功放單元、電源及保護單元、量程單元、A/D單元、顯示單元、鍵盤單元及標準電阻器等組成。 三、南澳電氣NAGKT-I數字式高精度電氣儀表試驗臺技術性能: 2.1性能參數: 項 目 量 程 輸 出 范 圍 分 辨 率 最 大 輸 出 精 度(23℃±2℃) 直 流 500mV 0~550.00mV 0.01mV 100mA ±(讀數值×0.05%+滿量程值×0.01%) 5V 0~5.5000V 0.1mV 100mA 電 50V 0~55.000V 1mV 100mA 壓 500V 0~550.00V 10mV 20mA 1KV 0~1050.0V 100mV 10mA 直 流 電 流 500uA 0~550.00uA 0.01uA 2V ±(讀數值×0.1%+滿量程值×0.02%) 5mA 0~5.5000mA 0.1uA 2V 50mA 0~55.000mA 1uA 2V 500mA 0~550.00mA 10uA 2V 5A 0~5.5000A 100uA 1.5V ±(讀數值×0.1%+滿量程值×0.04%) 10A 0~11.000A 1mA 1.5V 交 流 電 壓 500mV 0~550.00mV 0.01mV 100mA ±(讀數值×0.1%+滿量程值×0.05%) AC I 1mA以下不考核 5V 0~5.5000V 0.1mV 100mA 50V 0~55.000V 1mV 100mA 500V 0~550.00V 10mV 20mA 1KV 0~1050.0V 100mV 10mA 交 流 電 流 500uA 5mA 0~5.5000mA 0.1uA 2V 50mA 0~55.000mA 1uA 2V 500mA 0~550.00mA 10uA 2V 5A 0~5.5000A 100uA 1.5V ±(讀數值×0.1%+滿量程值×0.01%) 10A 0~11.000A 1mA 1.5V 中 值 電 阻 示 值 功 率 精 度 10Ω、24Ω、50Ω、100Ω、240Ω 500Ω、1kΩ、2.4kΩ、5kΩ 10kΩ、24kΩ、10kΩ、24kΩ 50kΩ、100kΩ、240kΩ、500kΩ、1MΩ、2.4MΩ 5MΩ、10 MΩ、24 MΩ 0.25W ±(顯示值×0.1%+10mΩ) 2.2:交流失真度:不大于1% 。 2.3:直流紋波系數:不大于0.5%;電流10A不大于3% 。 2.4:穩定性:儀器預熱一小時后,1分鐘內輸出漂移應小于基本量程滿度的±0.05%,作精密測量時需預熱2小時。 2.5:外型尺寸:480×340×134(mm)。 2.6:重量:10Kg。 NAGKT-I electrical instrument test-bed I. Overview NAGKT-I digital electrical instrument calibration test bench (also called: digital multimeter calibrator, three-table calibrator) is a five-digit LED AC, DC standard voltage, current generator for Calibration digital meters, a variety of hands-meter and DC 0.2, the exchange of 0.5 below the various types of table head. (0 ~ 12MΩ); AC frequency of 50Hz, 60Hz, 400Hz (digital synthesis, the output voltage of the three-phase voltage range of 0 ~ Button to select). The above items and range conversion are converted by internal switches. Using the latest 16-bit A / D converter chip, conversion speed and accuracy has been greatly improved; AC / DC converter with true RMS value to ensure the accuracy of AC output; linearity is good. Using a new type of composite high-power amplifier, the output power of strong, high reliability, low distortion. Output adjustment using imported potentiometer, long life, high fineness regulation. The machine adopts "closed-loop control", the output stability is high. Voltage short-circuit, open current automatic protection, in full compliance with the new three table identification procedures. Second, the working principle: The instrument has a digital synthesis sine wave generator unit, power amplifier unit, power and protection unit, range unit, A / D unit, display unit, keyboard unit and standard resistors and other components. Third, the technical performance: 2.1 Performance parameters: Item Test Range Output Range Resolution Max Output Accuracy(23℃±2℃) DC Voltage 500mV 0~550.00mV 0.01mV 100mA ±(讀數值×0.05%+滿量程值×0.01%) ±(Reading value × 0.05% + full scale value × 0.01%) 5V 0~5.5000V 0.1mV 100mA 50V 0~55.000V 1mV 100mA 500V 0~550.00V 10mV 20mA 1KV 0~1050.0V 100mV 10mA DC Current 500uA 0~550.00uA 0.01uA 2V ±(讀數值×0.1%+滿量程值×0.02%) ±(Reading value × 0.1% + full scale value × 0.02%) 5mA 0~5.5000mA 0.1uA 2V 50mA 0~55.000mA 1uA 2V 500mA 0~550.00mA 10uA 2V 5A 0~5.5000A 100uA 1.5V ±(讀數值×0.1%+滿量程值×0.04%) ±(Reading value × 0.1% + full scale value × 0.04%) 10A 0~11.000A 1mA 1.5V AC Voltage 500mV 0~550.00mV 0.01mV 100mA ±(讀數值×0.1%+滿量程值×0.05%) ±(Reading value × 0.1% + full scale value × 0.05%) AC I 1mA not included 5V 0~5.5000V 0.1mV 100mA 50V 0~55.000V 1mV 100mA 500V 0~550.00V 10mV 20mA 1KV 0~1050.0V 100mV 10mA AC Current 500uA 5mA 0~5.5000mA 0.1uA 2V 50mA 0~55.000mA 1uA 2V 500mA 0~550.00mA 10uA 2V 5A 0~5.5000A 100uA 1.5V ±(讀數值×0.1%+滿量程值×0.01%) ±(Reading value × 0.1% + full scale value × 0.01%) 10A 0~11.000A 1mA 1.5V Middle Data Resistace Display Data Power Accuracy 10Ω、24Ω、50Ω、100Ω、240Ω 500Ω、1kΩ、2.4kΩ、5kΩ 10kΩ、24kΩ、10kΩ、24kΩ 50kΩ、100kΩ、240kΩ、500kΩ、1MΩ、2.4MΩ 5MΩ、10 MΩ、24 MΩ 0.25W ±(顯示值×0.1%+10mΩ) ±(Reading value×0.1%+10mΩ) 2.2: AC distortion: less than 1%. 2.3: DC ripple factor: not more than 0.5%; current 10A not more than 3%. 2.4: Stability: the instrument warm-up after one hour, 1 minute output drift should be less than the full range of the basic range of ± 0.05%, for precision measurements need to warm up 2 hours. 2.5: Overall dimensions: 480 × 340 × 134 (mm). 2.6: Weight: 10Kg.

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