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K3A低温低噪声磁场传感器/低温特斯拉计

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K3A低温低噪声磁场传感器/低温特斯拉计

昊量光电全新推出的K3A低温低噪声磁场传感器/低温特斯拉计。K3A低温低噪声磁场传感器/低温特斯拉计可精确测量低至约1K的低温下磁场的大小和方向。

尺寸为4.5 x 4.5 x 9mm，其传感器头非常紧凑。它具有蕞小的场敏感体积，小于0.6 mm3。高精度电子器件具有极低的漂移，超高分辨率和低噪音。K3A低温低噪声磁场传感器为每个磁场方向提供模拟电压。可在低温下进行精确校准(0.25%)和高场校准(高达±9 T)

K3A低温低噪声磁场传感器/低温特斯拉计突出亮点

磁性和电气规格
范围	规格	可选择	备注
Measurement range	±2 T	±2 T ±5 T ±9 T	Standard calibration at room temperature, optional @ any temperature down to (4 ± 2) K.
Output	±10 V		Differential output @ ±full scale
calibration accuracy	1 %	0.25 %	Percentage defined with respect to full scale field up to ±5 T. Optional: 0.25 %, a corresponding High-field DC Calibration table is provided
Offset	< 0.5 mT
Offset fluctuation and drift	< 2 µT (<1 ppm full scale)		@ Room temperature
Long term stability of sensitivity	< 1 % over 10 years
Temperature coefficient	< 25 ppm/K
Noise spectral density @ f > 1 Hz	< 0.06 µT/Hz1/2		Region of 1/f-noise
Noise spectral density	< 0.04 µT/Hz1/2		Region of white noise (@ f >> fC)
Corner frequency fC	10 Hz		where 1/f-noise = white noise
Frequency Bandwidth	0 - 1 kHz

Recommended operating conditions
Parameter	Min		Typ.	Max.		Unit
Probe operation temperature	<1		77	320		K
Electronics operation temperature	10		23	35		°C
Supply Voltage mains	115			230		V
Electronics supply voltage			0 - 24			V
Dimensions and weight
Parameter					Unit
Electronic box size		230 x 109 x 45			mm
Electronic box weight		0.8			kg
Interconnecting cable length1		2			m
Probe size		4.5 x 4.5 x 9			mm
Size of field sensitive volume		1.5 x 1.3 x 0.3			mm