TM7500 Fluxmeter

1. Summary

TM7500 Fluxmeter is a high-precision magnetic flux measuring instrument, designed with a high-speed microprocessor and a low-drift electronic integrator. It’s applied for measuring the magnetic flux Ф of space magnetic fields or permanent magnets with types of coils.

2. Features

• Range:0.2 mWb～2 Wb.

• Accuracy: 0.2% or 0.5%.

• Drift after zeroing ≤ 1 μWb/min.

• 5-digits display, minimum resolution 0.1 μWb.

• Unit switch: Wb, mWb, Vs, mVs, Mx.

• Maximum hold function.

• Alarm of exceeding the upper / lower limit.

• One-key reset and zero drift.

• Test parameter correction.

• Touch screen and button operation.

• Digital and analog signal (option) output.

• Supporting various of measuring coils.

• Small size, light weight.

3.Appearance

☆ Front Panel

S/N	Description
1	LCD touchscreen: Intuitive display of multiple electrical parameters, touchscreen operation for greater convenience.
2	Instrument handle: Facilitates easy carrying of the instrument by the user.
3	Keypad operation area: Multiple value setting points and function selections, greatly enhancing operational convenience.
4	Foldable feet: Raise the instrument at an angle for optimal operating and reading view.

☆ Rear Panel

S/N	Description
1	Analog output: Outputs a proportional analog voltage according to the flux measurement value for easy integration into sampling systems.
2	Coil input terminal: For connecting various types of flux measurement coils via test leads.
3	RS232 communication interface: Facilitates the setup of fully automatic test systems.
4	Control interface: For connecting I/O control signals such as zeroing and reset.
5	Power connector: AC 220V power input with switch and fuse.
6	Chassis ground: Ensure reliable grounding of the enclosure before testing.

4. Coil for Measurement

☆ Various Measurement Coils

TM7500 Fluxmeter

• Conventional Flux Coil: Applied for measuring the magnetic flux of a single sample.

• Skateboard Coil: Applied for testing batch samples on the production line.

• Helmholtz Coil: Applied to the magnetic moment of the specimen.

• Stator Coil: Applied for fast measurement of the magnetic flux of the stator core.

• Remark: The above coils are all options and can be customized.

5. Specifications

Range		2 mWb	20 mWb	200 mWb	2 Wb
Resolution		0.1 μWb	1 μWb	10 μWb	0.1 mWb
Measuring Range		0.2 mWb～2 Wb
Accuracy	0.5 %	±(0.5%*RD① + 10 μWb)
	0.2 %	±(0.2%*RD① + 10 μWb)
Zero Drift		Max(1 μWb/min or 0.05%*RG ②/min )
Analog Output (option)		0~± 5 V or 4~20 mA
Remark		1 RD is the reading value，② RG is the range value

6. General Specifications

Temperature Performance	Operating temperature:0°C～40°C Storage temperature:-20°C～70°C
Humidity Performance	Working humidity:40%～85% R·H, non-condensing Storage humidity:< 95% R·H, non-condensing
Weight	About 5 kg
Interface	Hall probe input, RS232, Analog output interface
Dimensions	225 mm(W) × 295 mm(D) × 135 mm(H)

7. Ordering Information

TM7500 Fluxmeter

TM7500 Flux Meter.pdf

TM7500 Fluxmeter

TM7500 Fluxmeter

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