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Shanghai Zhongrong Yidian Co., Ltd
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Voltage monitoring instrument calibration device
Voltage monitoring instrument calibration device
Voltage monitoring instrument calibration device
Voltage monitoring instrument calibration device

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Main indicators
>Voltage output 57.7V/100V/2220V/380V
>Frequency 45-65Hz>accuracy level 0.05/0.1

Main functions
1. It can be used to determine the basic error, comprehensive measurement error, total voltage monitoring time, voltage upper limit time, voltage lower limit time, sensitivity testing, harmonic impact testing, etc. of statistical and recording monitoring instruments;
2. Can measure AC voltage, harmonic content in voltage, and voltage distortion online；
3. The programmable source can generate 2～The distortion wave of the 31st harmonic, the harmonic order, amplitude, and the phase of the harmonic to the fundamental wave can be programmed；
The working frequency band of the voltage amplifier is 40HZ～1kHZIt has good linearity and is a constant voltage source. Due to its lightweight, this device is more suitable for on-site verification and use；
5. Equipped with RS232 interface. Through the upper computer software, the device can be controlled by a PC for automatic or manual inspection, and the results can be processed and managed；
6. It can store the raw data of 300 tested voltage monitoring instruments for reference and uploading.
Technical indicators
1. Power frequency AC voltage output:
Range: 57.7V, 100V, 220V, 380V, maximum output capacity: 30VA;
Adjustment range 0-130%, adjustment fineness 1 × 10－4；
Accuracy of 0.05% FS;
The frequency adjustment range is 45-65Hz, the adjustment fineness is 0.001HZ, and the accuracy of the setting value is 0.01Hz;
Waveform distortion (when outputting sine waves) ≤ 0.3%;
Output stability ≤ 0.01% FS/1m;
Harmonic output 2-31 times, amplitude 0-30%, harmonic to fundamental phase angle 0-360 degrees;
2. Measurement of AC voltage at power frequency:
Range 57.7V, 100V, 220V, 380V, automatic switching;
Accuracy of 0.05% FS;
Harmonic and distortion measurement: Harmonic order 31 times；
Harmonic error ± 10% RD ± 0.1% (RD is the harmonic content reading)；
Distortion error ± 10% RD ± 0.1% (RD is the distortion reading);
3. Time interval accuracy of 0.2 seconds/24 hours;
4. Working power supply single-phase 220V ± 10%, 50HZ ± 5%;
5. The operating environment temperature is 200C ± 100C, and the relative humidity is ≤ 85% RH;
6. The external dimensions are 345 × 335 × 133mm and the weight is 8kg.
Configuration Details
1. Device body: 1 unit
2. One power cord
3. Test 1 set of wires and connectors
4. One communication dedicated interface test cable
5. One copy of the user manual
6. One factory inspection report
7. One certificate of conformity
8. One aluminum alloy chassis
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