Inductive coil FOG coil

inductive coil
inductive coil
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Characteristics

Electrical characteristics
inductive

Description

FOG coil products are the core sensitive components of the fiber optic gyroscope system based on the Sagnac effect. Currently, the multi-pole symmetrical winding method is mainly used, supplemented by special sealant filling, to form an all-solid fiber optic ring coil. Product type: 1.With frame type 2.Boneless typeFiber type Typical products:Φ50/Φ60/Φ70/Φ98 Structure size Fiber type: PMF13-80/135GP PMF13-80/135GP PMF13-80/135GP PMF15-80/135GP Internal diameter(mm): 27.1 ± 0.1/ 38.5 ± 0.1/ 55.6 ± 0.1/ 75.0 ± 0.1 Ring height (mm): 10.1 ± 0.1/9.5 ± 0.1/10.0 ± 0.1/12.3 ± 0.1 Number of layers:40/52/32/52 Ring length(m) 290 ± 10 /520 ± 10 /365 ± 10/ 1210 ± 10 Performance parameter Room temperature crosstalk(dB)≤ -23/≤ -23/≤ -25/≤ -22 Full temperature crosstalk (dB): ≤ - 18/≤ - 18/≤ -18/≤ -18 Normal temperature loss (dB): ≤ 0.5 / ≤ 0.5 / ≤ 0.5 / ≤ 0.6 Storage temperature (℃): -55 ~ 85/-55 ~ 85/-55 ~ 85/-55 ~ 85 Working temperature (℃): -45 ~ 70/-45 ~ 70/-45 ~ 70/-45 ~ 70 System performance Bias stability at constant temperature (°/h):≤ 0.2(10s)/≤ 0.1(10s)/≤ 0.15(10s)/≤ 0.015(100s) Bias stability at full temperature °/h: ≤ 0.5(10s)/≤ 0.3(10s)/≤ 0.3(10s)/≤ 0.05(100s)(Before compensation) Full temperature test conditions 2℃/min -45℃~ 70 ℃ 2℃/min -45℃~ 70 ℃ 1℃/min -45℃~ 70 ℃ 1℃/min -45℃~ 70 ℃

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