Model 460 Datasheet
Contents
1. 0 001 mG oOo ol Siole o S 3 leple E DC accuracy 0 10 of reading 0 005 of range DC temperature coefficient 0 05 of reading 0 003 of range per C AC RMS and Peak Measurement AC display resolution 43 4 digits Probe type Range HST Probe 300 kG 30 kG 3 kG 300 G HSE Probe 30 kG 3 kG 300 G 30 G UHS Probe 30 G 3G 300 mG RMS resolution Peak resolution 0 01 kG 0 001 kG 0 0001 kG 0 01 G 0 01 kG 0 001 kG 0 0001 kG 0 001 kG 0 0001 kG 0 01 G 0 001 G 0 001 kG 0 0001 kG 0 01 G 0 001 G 0 0001 G 0 01 mG 0 00 0 x h 2 x x DoD AC frequency range 10 Hz to 400 Hz AC RMS accuracy 2 of reading 50 Hz to 60 Hz AC RMS frequency response 0 to 3 5 of reading 10 Hz to 400 Hz All AC RMS specifications for sinusoidal input gt 1 of range AC peak accuracy 5 typical AC peak speed 5 ms for single peak Front Panel Display type 4 line x 20 character vacuum fluorescent Display resolution Up to 5 digits Display update rate 4 rdg s with vector off 3 rdg s with vector on Displays units Gauss G tesla T Units multipliers u m K Annunciators RMS AC input signal DC DC input signal MAX max hold value s relative reading R remote operation alarm on Keypad 25 full travel keys Front panel features Display prompts front panel lockout brightness control www lakeshore com2. Lake Shore Cryotronics Inc Interfaces RS 232C capabilities Baud 300 1200 9600 Connector RJ 11 configuration Update rate Up to 14 rdg s at 9600 baud IEEE 488 capabilities Complies with IEEE 488 2 SH1 AH1 SR1 RL1 PPO DC1 DTO CO E1 Update rate 18 rdg s with vector off 14 rdg s with vector on Alarm Settings High and low setpoint inside outside audible Actuators Display annunciator beeper Monitor analog output 3 Configuration Real time analog voltage output Scale 3 V full scale on selected range Frequency response DC to 400 Hz Accuracy Probe dependent Minimum load resistance 1 KO short circuit protected Connector BNC Corrected analog output 1 Configuration Voltage output generated by DAC Range 3 V 10 V for the Model 460 10 Scale User defined Resolution 0 366 mV of 3 V Update rate Same as field measurement Accuracy 0 1 full scale in addition to measurement error Minimum load resistance 1 KO short circuit protected Connector BNC General Ambient temperature 15 to 35 C at rated accuracy 5 to 40 C with reduced accuracy Power requirement 100 120 220 240 VAC 5 10 50 or 60 Hz 40 VA Size 432 mm W x 89 mm H x 368 mm D 17 in x 3 5 in x 14 5 in full rack Weight 7 5 kg 16 5 Ib Approval CE mark Ordering Information Part number 460 460 10 Description Model 460 gaussmeter Model 460 gaussmeter with corrected analog output set to 10 V instead of 3 V Specify
3. Model 460 Gaussmeter Model 460 3 Channel Gaussmeter ce LakeShore 460 3 Channe l Gaussmeter E Can be operated with three individual probes a single 2 axis probe and one individual probe or a single 3 axis probe Displays each axis simultaneously Vector magnitude reading Resolution to 53 digits 1 part out of 300 000 Accuracy to 0 10 of reading Peak capture Analog voltage outputs IEEE 488 and serial interface Product Description The Model 460 3 channel Hall effect gaussmeter is the best choice for applications requiring 3 axis measurements or three simultaneous single axis measurements The Model 460 combines the performance of three gaussmeters into one package making it an excellent value for materials analysis and field mapping applications The large vacuum fluorescent display shows readings for all three channels simultaneously as well as vector magnitude or differential readings The full function keypad provides easy access to measurement features Measurement Modes The Model 460 operates in DC RMS and Peak modes with Superior accuracy and resolution in DC measurement mode Measurements to 53 4 digits are possible due to the low noise floor With low noise and high stability the Model 460 is ideal for multiple axis field mapping applications Changing fields that are often used in material analysis systems can be measured on all three inputs up to 18 times per second over the computer inter
4. calibration data can be read automatically by the instrument If the probe is equipped with a temperature sensor the Model 460 reads both temperature and field signal and continuously adjusts the calculated field value The customer can also download sensitivity for discrete Hall sensors In addition Lake Shore can custom design probes and assemblies to meet specific application needs Model 460 Rear Panel Configurations Model 460 configured as a 3 axis gaussmeter fax 614 818 1600 e mail info lakeshore com a Model 460 Gaussmeter Model 460 Specifications General Measurement Number of inputs 3 Update rate Up to 4 rdg s on display up to 18 rdg s with IEEE 488 interface Measurement modes DC RMS Peak Probe compatibility Standard multi axis and custom probes Probe features Linearity Correction Temperature Correction Auto Probe Zero Measurement features Autorange Max Hold Relative Mode Filter Vector Magnitude Differential Reading Probe connector 15 pin D style DC Measurement Probe type Range 93 4 digits with filter 43 4 digits without filter HST Probe 300 kG 30 kG 3 kG 300 G HSE Probe 30 kG 3 kG 300 G 30 G UHS Probe 30 G 3G 300 mG 0 001 kG 0 0001 kG 0 00001 kG 0 001 G 0 01 kG 0 001 kG 0 0001 kG 0 01 G 0 0001 kG 0 00001 kG 0 001 G 0 0001 G 0 001 kG 0 0001 kG 0 001 G oh p 0 0001 G 0 00001 G
5. face with excellent resolution www lakeshore com Lake Shore Cryotronics Inc AE S nen BSS os penp c 2 oo i 614 891 2244 Best suited for fringe field measurements or measurement of magnets and solenoids driven at line frequency RMS mode measures periodic AC fields from 10 Hz to 400 Hz Instrument circuitry accommodates wave forms with crest factors up to 7 with true RMS conversion Peak circuitry in the Model 460 captures single event peaks or monitors the peak amplitude of periodic wave forms from 10 Hz to 400 Hz with reproducible single peak measurements down to 5 ms rise time Instrument software accommodates indefinite hold time with no decay The Model 475 DSP gaussmeter is a good choice if faster peak or RMS measurements are required Range and Resolution When used with appropriate probes the Model 460 3 channel gaussmeter offers full scale ranges from 300 mG to 300 kG A different range can be used with each input With 534 digit resolution DC field variations approaching 0 010 mG can be detected in larger DC fields resolution to one part in 300 000 is possible For RMS and Peak measurement resolution is 434 digits or one part in 30 000 because in these modes environmental noise is more difficult to separate from the desired signal The filter feature of the Model 460 improves resolution in noisy environments by taking a running average of field readings DC mode requires filtering to achieve 534 digit resolu
6. ify operation The operator can also control display brightness Following are four examples of the various display configurations Normal Reading the display configured to show the live DC field readings for the X Y and Z axis as well as the vector magnitude Max DC Hold On the display configured to show the live DC field readings for the X Y and Z axis as well as the maximum field reading settable to any axis Differential Reading On the display configured to show the live DC field readings for the X and Y axis as well as the X Y axis differential reading 3 Separate Probe Readings On the display configured to show the X Y and Z axis as three separate gaussmeters the X axis as a DC field reading with audible and visual alarm the Y axis as an RMS field value and the Z axis as a peak field value www lakeshore com Lake Shore Cryotronics Inc MALO LIT O 1 enaiis I _ MHM 614 891 2244 Model 460 Gaussmeter TARSAN OTE TE TE CEET E TE meh T ap E E Fa CE CHANNEL Z INPUT CHAMMEL X PHARM Te Vite er PROBE eur emp AL OUT onion ammo Marcha oam C Probes and Sensors Lake Shore offers an extensive line of single two and three axis probes standard Hall sensors and probe accessories Lake Shore probes are factory calibrated for accuracy and interchangeability Factory calibrated probes feature a PROM in the probe connector so that
7. line power option VAC 100 VAC 120 VAC 220 VAC 240 VAC 120 ALL 100 VAC includes U S power cord 120 VAC includes U S power cord 220 VAC includes universal Europe power cord 240 VAC includes universal Europe power cord 120 VAC includes U S amp universal Europe power cords amp all fuses Accessories included 115 006 115 007 4060 MAN 460 Detachable line cord U S Detachable line cord Europe Zero gauss chamber Model 460 user manual Accessories available also see Gaussmeter Accessories section 4001 4002 4003 4004 CAL 460 CERT CAL 460 DATA CAL N6 DATA RM 1 RJ 11 4 wire cable assembly used with RS 232C interface cable is 4 3 m 14 ft long RJ 11 to DB 25 adapter connects computer to RS 232C port RJ 11 to DE 9 adapter connects computer to RS 232C port IEEE 488 interface cable connects customer supplied computer to IEEE 488 interface cable is 1 m 3 3 ft long Instrument recalibration with certificate Instrument recalibration with certificate and data Calibration data for a new Model 460 Rack mounting shelf to attach one Model 460 gaussmeter to a 483 mm 19 in rack mount space All specifications are subject to change without notice Probes ordered separately see page 26 Custom probes available consult Lake Shore 614 891 2244 fax 614 818 1600 e mail info lakeshore com
8. tion Interface The Model 460 is equipped with both parallel IEEE 488 and serial RS 232C computer interfaces for command and data exchange maximum reading rate can be achieved with the IEEE 488 interface Nearly every function on the Model 460 front panel can be performed via computer interface The Model 460 also includes one corrected and three monitor analog voltage outputs Corrected for sensor linearity offset and temperature effects the corrected output is a DC voltage proportional to the display reading It is generated by a digital to analog converter programmed at the update rate of the Model 460 with software error correction Corrected output is compatible with the Model 460 vector calculation software The three monitor outputs are real time analog voltages proportional to each input s field uncorrected they provide output across the full DC to 400 Hz bandwidth at real time speed fax 614 818 1600 e mail info lakeshore com Model 460 Rear Panel Line input assembly IEEE 488 interface Serial 1 0 interface Corrected analog output Monitor analog outputs Probe inputs Display The Model 460 has a 4 line by 20 character vacuum fluorescent display During normal operation the display is used to report field readings and give results of other features such as max min or relative When setting instrument parameters the display gives the operator meaningful prompts and feedback to simpl
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