ขาย 30Qw J0409 Pointer DC Galvanometer ±300μA Physical Electricity Experiment Galvanometer for School Laboratory ราคาที่ดีที่สุด
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฿596
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รายละเอียดสินค้า
The Model J0409 DC Galvanometer is suitable for secondary school students. Used to measure the small current and potential difference in a DC circuit.
We also provide voltmeters and ammeters.
✔ The indicator panel is at an angle of 45° to the horizontal
✔ Working temperature 0-40 ° C
✔ Measuring range (-300μA - 0 - +300μA)
✔ Deviation: ≤ 5%
✔ The level of defense against the external magnetic field is level III
✔ Galvanometer step-down G₀:30±3mv; G₁:750±75mv
Check that the pointer is aligned to zero before use. If there is a deviation, turn the "return to zero screw" to adjust.
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