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Changsha Tianheng Measurement and Control Technology Co., Ltd
TD4510/TD4520 three-phase DC portable verification device
NegotiableUpdate on 05/27
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Overview
TD4510/TD4520 three-phase DC portable calibration device ◉ TD4510/TD4520 are two multifunctional instruments specifically designed for calibrating power/electrical measuring instruments, with two optional specifications of 0.02 level/0.05 level. The instrument integrates multiple functions such as three-phase AC standard source, harmonic output, DC standard source, three-phase power measurement, DC small signal measurement, and power detection (optional). ◉ Suitable for virtual load or real load calibration of AC sampling devices in power systems, calibrating three-phase DC measuring instruments, power transmitters, same period meters, three-phase energy meters, etc. Reference standard: Q/GDW 1899-2013 (drafted by Tianheng Measurement and Control).
Product Details
Functional Features
◉ AC sampling detection: It can perform virtual load verification (three-phase standard source) or real load verification (clamp current measurement).
◉Transmitter detection: Detect the basic error, DC ripple, and response time (software required) measurement function of the power transmitter.
Harmonic output function: Three phase electricity can be loaded 2 to 21 times, and harmonics with adjustable amplitude/phase can be tested for harmonic impact.
◉ Value adjustment formula: It has adjustment formulas such as "fixed-point output, rotary encoder, step ratio", etc. The three-phase can be adjusted uniformly or separately.
◉ Phasor diagram display: Adjust the phase of three-phase electricity arbitrarily and visually display it in the form of a phasor diagram.
◉ Good human-machine function: equipped with a large LCD touch color screen, the measurement value is displayed intuitively, the operation is convenient, and the manual inspection gauge is easy.
Synchronization meter detection (optional): The fourth voltage output can detect the amplitude difference, phase difference, and frequency difference of the power synchronization meter.
◉ Electric energy meter detection (optional): equipped with standard electric energy pulse input/output ports, suitable for verifying single AC energy meters.
Professional software (optional): Full or semi automatic calibration of the inspected table, data recording, analysis, management, and certificate export.
Three phase power output (virtual load verification)
Three phase electricity measurement (actual load verification)
DC standard source
DC small signal measurement (transmitter detection)
Three phase AC power output
AC power detection (optional)
Measurement uncertainty of active electrical energy (0.05 level device): 0.1%*RD
Measurement uncertainty of active electrical energy (0.02 level device): 0.05%*RD
Measurement uncertainty of reactive power (0.05 level device): 0.2%*RD
Measurement uncertainty of reactive power (0.02 level device): 0.1%*RD
Standard power pulse output: Full scale value of 60 kHz
Standard power pulse transmission: maximum frequency is 1 kHz, pulse level: 3 V~12 V
Fourth voltage output (optional)
Voltage range: 100 V, 380 V
Adjustment range: ( 0 〜 110 )%*RG
Measurement uncertainty: 0.05%*RG
Maximum output power: 10 VA
Frequency range: 45 Hz to 55 Hz
Note: This function is used to detect synchronous tables
Selection Guide
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