K3A低温低噪声磁场传感器/低温特斯拉计

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