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Top Transformer Field Calibrator Manufacturers and Suppliers in China

Transformer Field Calibrator

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CYTC-410A

Precision Technology: The CYTC-410A uses DSP based heterodyne measurement for high accuracy with minimal temperature and frequency disturbances. It supports parameters from 0.01 to 10 in the class of accuracy.
Flexibility & Widely used: CTs (1A/5A) and PTs (up to 220V) are tested; the device is compatible with Class S transformers, measures impedance/admittance, and acts as an AC potentiometer for micro signal measurements.
Easy to use & Safe Design: Also includes Large LCD interfacing, Automatic polarity recognition, Fault indicator alarms, RS232 PC interfacing, easy to carry, and differential current isolation for safety protection.

Category	Parameter	Value/Range
Working Conditions	Temperature	5℃ - 40℃
	Relative Humidity	<80% (at 25℃)
	Altitude	<2500m
	Power Frequency	50Hz ± 0.5Hz
	Power Voltage	220V ± 5V
Measuring Range	In-phase Component (%)	0.0001 - 200.0 (Resolution: 0.0001)
	Orthogonal Component (min)	0.001 - 700.0 (Resolution: 0.001)
	Impedance (Ω)	0.0001 - 20.0 (Resolution: 0.0001)
	Admittance (ms)	0.0001 - 20.0 (Resolution: 0.0001)
Basic Error	In-phase Component	ΔX = ±(X×2% + Y×2%) ± Dx (Class 1 spare)
	Orthogonal Component	ΔY = ±(X×2% + Y×2%) ± Dy (Class 1 spare)
	Quantified Error	Dx = 2, Dy = 5
	Percentage	Class 2 (Class 1 spare)
Working Range	Current	(1% - 149%) In (In = 5A)
		(5% - 149%) In (In = 1A)
	Voltage	(5% - 149%) Un (Un = 100V, 150V, 100V/)
		(5% - 200%) Un (Un = 100V/3)
Work Load	Current	TO to TX < 0.12Ω (cosΦ = 1.0)
	Voltage	a to x < 0.25VA (100V)

DTC-410A

Technological Sophistication & Precision: Employs DSP-based heterodyne measurement methodology with minimum temperature and frequency influence, supporting various accuracy classes from 0.01 to 10.
Universal Compatibility & Intuitive Interface: Tests current transformers (CTs) of 1A/5A and potential transformers (PTs) up to 220 volts, supports class S transformers, has large LCD, automatic flagging of faults, automatic detection of polarity, interfaces through RS232 to PC.
Broad Safety, Versatile Protection & Meets Established Standards: Provides portable, light weight, isolated differential current protection with AC measurements of admittance and impedance. Functions as a current capacitor and exceeds class 2 standards.

Calibration Transformers: Ensuring Accuracy and Performance

Study the functions of calibration systems in contemporary electrical systems with respect to measurement accuracy and performance metrics pertaining to transformer calibration within certain industry benchmarks.