Home > Products > Magnetic products > Helmholtz and search coils

Helmholtz coils (moment measurement) specifications

	FH-2.5		FH-6		FH-12
Calibration accuracy	0.75%
Inside diameter	2.5 in		6 in		12 in
Coil resistance (approx)	35 Ω		110 Ω		140 Ω
Operating temperature range	0 ºC to 60 ºC
Coil constant (approx)	0.013 Wb·cm/V·s		0.016 Wb·cm/V·s		0.047 Wb·cm/V·s
Input resistance (fluxmeter)	10 kΩ	100 kΩ	10 kΩ	100 kΩ	10 kΩ	100 kΩ
Range (approx)	390 µWb·cm	3.9 mWb·cm	480 µWb·cm	4.8 mWb·cm	1.4 mWb·cm	14 mWb·cm
	39 µWb·cm	390 µWb·cm	48 µWb·cm	480 µWb·cm	140 µWb·cm	1.4 mWb·cm