Lake Shore 460, User Manual

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Lake Shore Model 460 Gaussmeter User’s Manual
Hall Generators C-7
Table C-3. Transverse Hall Generator Specifications
Transverse HGT-1010 HGT-3010 HGT-3030
Description
General purpose
transverse; 0.020 inch thick Instrumentation quality
transverse; low temperature
coefficient; ceramic
package Instrumentation quality
transverse ceramic package
Active area (approximate) 0.040 inch diameter circle 0.040 inch diameter circle 0.040 inch diameter circle
Input resistance (approx.) 2 ohms 1 ohm 2 ohms
Output resistance (approx.) 2 ohms 1 ohm 2 ohms
Nominal control current
(I
CN
)
100 mA 100 mA 100 mA
Maximum continuous
current (non-heat sinked) 300 mA 300 mA 300 mA
Magnetic sensitivity (I
C
=
nominal control current)
7.5 to 12.5 mV/kG 0.55 to 1.05 mV/kG 6.0 to 10.0 mV/kG
Maximum linearity error
(sensitivity versus field) ±1.0% RDG
(-10 to 10 kG) ±1% RDG
(-30 to 30 kG)
±1.5% RDG
(-100 to 100 kG) ±0.30% RDG
(-10 to 10 kG)
±1.25% RDG
(-30 to 30 kG)
Zero field offset voltage (I
C
= nominal control current)
±100 µV max. ±50 µV max. ±75 µV max.
Operating temperature
range –40 to +100 °C –40 to +100 °C –40 to +100 °C
Mean temperature
coefficient of magnetic
sensitivity –0.08%/°C max. –0.005%/°C max. –0.04%/°C max.
Mean temperature
coefficient of offset (I
C
=
nominal control current)
±1 µV/°C max.) ±0.4 µV/°C max. ±0.3 µV/°C
Mean temperature
coefficient of resistance ±0.18%/°C approx. ±0.15%/°C approx. +0.18%/°C approx.
Leads 34 AWG copper with poly-
nylon insulation. 34 AWG copper with poly-
nylon insulation 34 AWG copper with poly-
nylon insulation