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Cryogenic Hall Generators and Probes
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Cryogenic Gaussmeter Probes
Model L D A Active
area		 Stem material Frequency range Usable full scale ranges Corrected accuracy
(% of reading)
Operating
temperature
range
Temperature coefficient (maximum)
Zero
Temperature coefficient (maximum)
Calibration
Axial
MCA-2560-WN
60 in
±0.50 in 		0.25 in dia
±0.006 in 		0.025 in ±0.005 in 0.030 in
dia
(approx)		 Stainless steel DC 300 G,
3 kG ,
30 kG,
300 kG 		±2% to
100 kG		 1.5 K to
350 K 		±0.13 G/°C ±0.010%/ °C
Transverse
MCT-3160-WN
 61 in
±1 in 		0.25 in dia
±0.010 in		 0.210 in
±0.050 in		 0.040 in
dia (approx)		 Stainless steel DC and
10 Hz
to 400 Hz		 300 G,
3 kG ,
30 kG,
300 kG 		±2% to
100 kG		 1.5 K to
350 K 		±0.13 G/°C ±0.010%/ °C
Cryogenic HGCA-3020 HGCT-3020
Description Cryogenic axial; phenolic package Cryogenic transverse; ceramic package
Active area (approximate) 0.030 in (0.762) diameter 0.040 in (1.016 mm) diameter
Input resistance (approximate) 1 Ω 1 Ω
Output resistance (approximate) 1 Ω 1 Ω
Normal control current (lCN) 100 mA 100 mA
Maximum continuous current (non-heat sunk) 300 mA 300 mA
Magnetic sensitivity at l color="#000000" size="1" style="background-color: #d9e0ea">CN 0.55 mV/kGto 1.05 mV/kG 0.55 mV/kG to to 1.05 mV/kG
Magnetic sensitivity change with temperature +0.7% at 200 K; +0.8% at 100 K; +1.0% at 3.8 K +0.7% at 200 K; +0.8% at 100 K; +1.0% at 3.8 K
Maximum linearity error (sensitivity vs field) ±1.0% RDG (-30 kG to +30 kG)
±2.0% RDG (-150 kG to +150 kG) 		±1.0% RDG (-30 to +30 kG)
±2.0% RDG (-150 to +150 kG)
Zero field offset voltage (maximum)
(lc= nominal control current)		 ±200 µV ±200 µV
Operating temperature range 1.5 K to 375 K 1.5 K to 375 K
Mean temperature coefficient of magnetic sensitivity (approximate) ±0.01%/K -0.01%/K
Mean temperature coefficient of offset (maximum)
(lc= nominal control current)		 ±0.4 µV/K ±0.4 µV/K
Mean temperature coefficient of resistance (maximum) ±0.6%/K ±0.6%/K
Leads 34 AWG copper with Teflon® insulation 34 AWG copper with Teflon® insulation
Data Room temperature, 30 kG data supplied Room temperature, 30 kG data supplied
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