Download Model 450 Gaussmeter User`s Manual, 2002

Lake Shore Model 450 Gaussmeter User’s Manual
5.3.3
Probe Specifications
Terminology used in Figures 5-1 thru 5-4 are defined as follows:
A
+B
HST
HSE
UHS
Definition of Probe Terminology
Distance from tip of probe to center line of active area
Magnetic flux density vector (for positive gaussmeter reading)
High Stability Probe
High Sensitivity Probe
Ultra-High Sensitivity Probe
=
=
=
=
=
Usable Full-Scale Ranges Versus Probe Type
HST-1
HST-2
HSE-1
UHS-1
300 G
300 G
30 G
300 mG
3 kG
3 kG
300 G
3G
30 kG
30 kG
3 kG
30 G
300 kG
—
30 kG
—
Type
Usable on
Ranges
TRANSVERSE
+B
L
2.5"
A
W
Model No.
L
MMT-6J02-VH
2" ±0.125
MMT-6J04-VH 4" ±0.125
MMT-6J08-VH
8" ±0.125
T
T
0.36 ±0.030" dia.
Cable length = 6.6 feet
W
A
Active
Area
0.061" 0.180
max. ±0.005"
Stem
Material
Freq.
Range
Alum.
DC
HSE-1
MMT-6J18-VH 18" ±0.125
2" ±0.125 0.045" 0.150
MNT-4E04-VH 4" ±0.125 max. ±0.005" 0.150
±
MMT-6J02-VG 2" ±0.125
0.050"
MMT-6J04-VG 4" ±0.125 0.061" 0.180
MMT-6J08-VG 8" ±0.125 max. ±0.005"
MNT-4E02-VH
0.040"
dia.
approx.
Rigid
Glass
Epoxy
DC,
10 to
400 Hz
Alum.
DC
MMT-6J18-VG 18" ±0.125
Rigid
Glass
Epoxy
MNT-4E02-VG 2" ±0.125
0.045" 0.150
MNT-4E04-VG 4" ±0.125 max. ±0.005"
MCT-3160-WN
60" ±0.05
0.25" dia.
±0.010
Type
0.210"
±0.050
Stainless
Steel
DC,
10 to
400 Hz
Corrected
Accuracy
(% of rdg)
Op.
Temp.
Range
±0.25%
to
30 kG
Temperature
Coefficient (Max.)
Zero
Calibration
±0.09
Gauss
per °C
–0.015%
per °C
0 °C
to
+75 °C
HST-2
±0.15%
to
30 kG
HST-1
±2% to
100 kG
±0.13
Gauss
per °C
1.5 K to
350 K
–0.005%
per °C
–0.010%
per °C
C450-5-1.eps
Figure 5-1 Definition of Lake Shore Transverse Probes
5-4
Accessories and Probes