Three-channel Gaussmeter for determining the magnetic field strength of permanent magnets and systems
Measurement of magnetizing pulses
User-friendly measuring instrument
Mains supply
Application in laboratories and in production lines
Field and temperature measurement via the probe input
Automatic temperature compensation
Application as a single-, two- or three-channel Gaussmeter

Operating principle

Multi-channel Gaussmeter with a resolution of 5 3/4 digits. Up to a maximum of three probes can be connected simultaneously. Each measuring channel is shown in one line in the display. Measurement of Hall voltage created in the Hall sensor which is proportional to the adjacent magnetic field.

All the functions are displayed and controlled via the front panel of the instrument. Input via keyboard, readings on a 4-line fluorescent display with alphanumerical text. Measuring range, zero, and functions such as max hold, relative or alarm, can be set individually for each channel.

Two analogue outputs provide high accuracy and the possibility to analyse the development of the field. The corrected analogue output shows the exact value displayed, the non-corrected analogue output shows the field strength in real time.

The comprehensive Hall probe programme includes over 500 different measuring probes, as well as conventional transverse and axial probes and probes for bi-and tri-axial measurements. BROCKHAUS also supplies probes for low temperature applications and for measuring minimal magnetic fields.

Technical data:	Gaussmeter 460
Measuring mode:	measurement of Hall voltage
Measuring range:	300 mG, 3 G, 30 G, 300 G, 3 kG, 30 kG, 300 kG
Measuring frequency:	DC, 10 Hz - 400 Hz
Measuring accuracy:	± 0,1 % of DC value, ± 2 % of AC value 0,005 % of measuring range
Repeatability:	± 0,0007 %
Measuring rate:	4 measurements/sec / display 18 measurements/sec / interface
Selection of measuring range:	automatic or manual
Resolution:	5 3/4 digits (1 of ± 300.000)
Display:	4-line, vacuum-fluorescence
Probe type:	all laboratory probes
Temperature range:	0°C - 40°C
Analogue outputs:	corrected and non-corrected ± 10 V
Interfaces:	RS-232, IEEE-488
Power supply:	100 - 240 V AC, 50 / 60 Hz
Functions:	Max Hold, Filter, Alarm, Zero Probe, Relative Reading, Auto Range, Memory Hold, AC/DC, Gauss, Tesla, Keylock, Pulse Field Measurement
Accessories:	Zero gauss chamber, power cable, operating manual
Special accessories:	probe cable in lengths 3 / 7,6 / 15,24 / 30,49 m 305 mm zero chamber / interface cable 19" drawer

Standard accessories

Zero chamber,
power cable,
operating manual

Recommended options

probe cable in lengths 3 / 7,6 / 15,24 / 30,49 m
305 mm zero chamber / interface cable
19" drawer

Hall probes overview Gaussmeter

Axial Probes

Model	L	D	A	Stem Material	Corrected accuracy (%) of reading	Temperature coefficient (maximum) zero	Temperature coefficient (maximum) calibration
MMA-2502-VH	2 " ± 0.063"	0.25" ± 0.006''	0.010"	Aluminum	± 0.25 % to 30 kG	± 0.09 G/°C	- 0.04 %/°C
MNA-1904-VH	4' ± 0.125"	0.187" ± 0.005''	0.005''	Fiberglass epoxy	± 0.25 % to 30 kG	± 0.09 G/°C	- 0.04 %/°C
MMA-2502-VG	2" ± 0.063''	0.25" ± 0.006''	0.010"	Aluminum	± 0.15 % to 30 kG	± 0.13 G/°C	- 0.005 %/°C
MNA-1904-VG	4' ± 0.125"	0.187" ± 0.005''	0.005"	Fiberglass epoxy	± 0.15 % to 30 kG	± 0.13 G/°C	- 0.005 %/°C

Transverse Probes

Model	L	D	A	Stem Material	Frequency Range	Corrected accuracy (%) of reading	Temperature coefficient (maximum) zero	Temperature coefficient (maximum) calibration
MMT-6J04-VH	4"± 0.125"	0.061" max	0.180"	Aluminum	DC	± 0.25 % to 30 kG	± 0.09 G/°C	- 0.04 %/°C
MNT-4E04-VH		0.045" max	0.150''	Rigid glass epoxy	DC and 10 Hz to 400 Hz	± 0.25 % to 30 kG	± 0.09 G/°C	- 0.04 %/°C
MMT-6J04-VG		0.061" max	0.180"	Aluminum	DC	± 0.15 % to 30 kG	± 0.13 G/°C	- 0.005 %/°C
MNT-4E04-VG		0.045" max	0.180"	Rigid glass epoxy	DC and 10 Hz to 400 Hz	± 0.15 % to 30 kG	± 0.13 G/°C	- 0.005 %/°C

Flexible Transverse Probes

Model	W	T	Active Area	Stem Material	Frequency Range	Corrected accuracy (%) of reading	Temperature coefficient (maximum) zero	Temperature coefficient (maximum) calibration
MFT-3E03-VH	0.135" max	0.025" max	0.040" dia (approx)	Flexible Tubing	DC and 10 Hz to 400 Hz	± 0.25 % to 30 kG	± 0.09 G/°C	- 0.04 %/°C
MFT-3E03-VG	0.135" max	0.025" max	0.040" dia (approx)	Flexible Tubing	DC and 10 Hz to 400 Hz	± 0.15 % to 30 kG	± 0.13 G/°C	- 0.005 %/°C

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