GX9/1-5 Impedance standardDetailed product description：

Impedance standard GX9/1~5

GX9/1~5 impedance standard is a variable standard suitable for measuring self inductance in AC circuits within the audio range. Or used as bridge networks, tuned circuit oscillators, and filters in various laboratories.

model	GX9/1	GX9/2	GX9/3	GX9/4
Variable range	（0-10）×0.1	（0-10）×1	（0-10）×10	（0-10）×100
Minimum step level	zero point one	one	ten	one hundred
Maximum self perception	one	ten	one hundred	one thousand
accuracy	±2%	±1%	±0.5 %	±0.5 %
Dimensions/Weight (MM/KG)	Φ145×170/1	Φ145×170/1	Φ145×170/1	Φ145×170/1