Lake Shore 420, Руководство пользователя

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Lake Shore Model 420 Gaussmeter User’s Manual
Appendix A
A-9
Table B-3 Transverse Hall Generator Specifications
Transverse HGT-1010 HGT-2010 HGT-2100 HGT-3010 HGT-3030
Description General purpose
transverse; 0.020
inch thick
General purpose
transverse; high
sensitivity Low cost; high
sensitivity;
surface mount Instrumentation
quality
transverse; low
temperature
coefficient;
ceramic package Instrumentation
quality transverse
ceramic package
Active area 0.040 inch
diameter circle 0.005 x 0.005
inch square 0.005 x 0.005
inch square 0.040 inch
diameter circle 0.040 inch
diameter circle
Input resistance 2 ohms 450 to 900 ohms 450 to 900 ohms 1 ohm 2 ohms
Output resistance 2 ohms 550 to 1350 ohms 550 to 1350 ohms 1 ohm 2 ohms
Nominal control
current (I
CN
)
100 mA 1 mA 5 mA 100 mA 100 mA
Maximum continuous
current (non-heat
sinked) 300 mA 10 mA 10 mA 300 mA 300 mA
Magnetic sensitivity
(I
C
= nominal control
current)
7.7 to 12.5 mV/kG 11 to 28 mV/kG 55 to 140 mV/kG 0.56 to 1.04
mV/kG 6.0 to 10.0 mV/kG
Maximum linearity
error (sensitivity
versus field) ±1.0% RDG
(-10 to 10 kG) ±1% RDG
(-10 to 10 kG)
±2% RDG
(-20 to 20 kG) ±1% RDG
(-10 to 10 kG)
±2% RDG
(-20 to 20 kG) ±1% RDG
(-20 to 20 kG)
±1.5% RDG
(-100 to 100 kG) ±0.25% RDG
(-10 to 10 kG)
±1.00% RDG
(-30 to 30 kG)
Zero field offset
voltage (I
C
= nominal
control current)
±100 µV max. ±2.8 mV max. ±14 mV max. ±50 µV max. ±75 µV max.
Operating
temperature range –40 to +100 °C –20 to +75 °C –55 to +125 °C –40 to +100 °C –40 to +100 °C
Mean temperature
coefficient of
magnetic sensitivity –0.08%/°C max. –0.06%/°C max. –0.06%/°C max. ±0.005%/°C max. –0.04%/°C max.
Mean temperature
coefficient of offset
(I
C
= nominal control
current)
±1 µV/°C max.) ±1 µV/°C max. ±5 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. +0.15%/°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 Not applicable 34 AWG copper
with poly-nylon
insulation 34 AWG copper
with poly-nylon
insulation