TUNKIA TS1020 DC Magnetic Properties Measuring System for Yoke Steel

TS1020 DC Magnetic Properties Measuring System for Yoke Steel

TS1020 is a special instrument for measuring the DC magnetic properties of yoke steel. It consists of excitation and measurement host, Epstein frame, solenoid (optional), A/B type Permeameter(optional)，computer software, etc. It is suitable for comprehensive analysis of DC magnetic characteristics of yoke steel.

Model:
TS1020
Brand:
TUNKIA


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TS1020 DC Magnetic Properties Measuring System for Yoke Steel

*Above picture is only for reference, subject to actual delivery

1. Summary

TS1020 is a device specifically designed for measuring the DC magnetic properties of yoke steel. It mainly consists of a DC excitation and measurement main unit, an Epstein frame, a computer, and fully automatic measurement software. It is suitable for comprehensive analysis of the DC magnetic characteristics of yoke steel.

2. Features

Independent electrical parameter calibration function
High measurement accuracy achieved by current method for magnetic field strength measurement
Maximum magnetizing field up to 100 kA/m (with 1300 T Epstein frame)
Sample demagnetization using slow decreasing amplitude method
Ultra-wide range continuous and stable current adjustment
Scanning method without relay ranging for more accurate data and smoother hysteresis loops
Professional software for automatic magnetic properties measurement
Automatic calculation of magnetic parameters and curve plotting, with data management support
Modular design of main unit and Epstein frame for easy upgrade or maintenance

3. Reference Standard

IEC 60404-2 Magnetic materials－ Part 2: Methods of measurement of the magnetic properties of electrical steel sheet and strip by means of an Epstein frame
GB/T 3655-2022 Methods of measurement of the magnetic properties of electrical steel strip and sheet by means of an Epstein frame
GB/T 13012-2008 Methods of measurement of d.c. magnetic properties of magnetically soft materials

4. Magnetic Parameter Specifications

10 A/m ~ 100 kA/m

Parameter	Typical Measurement Range	Optimal Measurement Uncertainty (k=2)	Optimal Measurement Repeatability
H_m	10 A/m ～ 100 A/m ^[1]	0.5%	0.2%
J_m	10 mT ～ 2.0 T ^[2]	1.0%	0.3%
B_m	10 mT ～ 2.1 T ^[2]	1.0%	0.3%
B_r	——	1.0%	0.3%
H_c	——	1.0%	0.5%
μ_i	——	4.0%	1.5%
μ_m	——	2.0%	1.0%
Note: [1] The maximum magnetic field must be used with a 700 T Epstein frame. Note: [2] Jm, Bm related to the material properties

5. Specifications of electrical parameters

Output Capability	Maximum Magnetizing Voltage		60 V
	Maximum Magnetizing Current		75 A
	Current Adjustment Resolution		0.005%RG* ^③
Measurement Specifications	Magnetizing Current	Measurement uncertainty (k = 2)	0.2%RG*
	*Magnetic Flux (Ф_B)*	Drift	± (0.05% of RG)/min or ± 1 μWb/min, whichever is greater
		Measurement uncertainty (k = 2)	0.3%RG+ 5 μWb*
Note ③: RG: the range value.

6. General specifications

Temperature Performance

Working Temperature：0°C～40°C

Storage Temperature：-20°C～70°C

Humidity Performance

Working Humidity：40%～80% R·H，No condensation

Store Humidity：< 95% R·H，No condensation

7. Epstein Frame

The built-in air compensation coil meets the requirements of the IEC 60404-2 standard.
Sampling of the specimen shall follow the relevant product standards; cutting and mounting of the specimen shall comply with the requirements of GB/T 3655-2022.

Model	TS1020-EPS Epstein Frame
Length	25 cm
Turns	1300 T
Magnetic Field Strength	10 A/m～100 kA/m
Frequency	DC
Specimens Dimension	30 mm (W) × ( 280～320 ) mm (L)
Specimens Weight	0.2 kg～3 kg
Working Temperature	0℃～45℃

10. Auto-testing Software

• The software operates under the Windows system, providing intuitive and user-friendly operation.

• Fully automated control and calculation with intelligent judgment minimize manual operation errors.

• Automatically measures static magnetic properties such as Bm, Br, Hc, μi, and μm, and generates hysteresis loops, initial magnetization curves, and μ-H permeability curves.

• Built-in scanning and impulse methods are available for measuring magnetic parameters.

• Real-time display of excitation current and magnetic flux values, with the ability to view sampled waveforms in multiple windows. It allows real-time monitoring of waveforms and instrument status, and measurement can be stopped at any time.

• Test parameters can be saved as templates for easy repeatability.

• The test report includes complete curve graphs, measurement results, test conditions, and specimen parameters.

• Powerful file management features: automatic data saving, data deletion, and full data clearing.

• Multiple result export options: direct printing, export as JPG image files, or Excel spreadsheets.

• Supports various printer models and print preview. User names and logos can be conveniently added to reports.