CYHT208 - ChenYang Technologies GmbH & Co. KG
Contents
1. for DC measurement Automatic probe zero adjustment Automatic change of measuring ranges 4 LCD mT Gs 1mT 10Gs 5 C 50 C 20 C 70T 20 a 80 4x 1 5V batteries No 5 160mm x 88mm x 37mm 300g 1 4x 1 5V DC batteries 2 Hall probe CYTP T15B transverse probe1 5 x 4 x 40mm 4 Special probe CYAP D60B axial probe 6 x 40mm a 5 Measuring Principle The Gauss Tesla meter works with a Hall Effect sensor probe There are two kinds of Hall probes transverse and axial probes which are used for different magnetization directions Electric Charge Vertical Hall Effect and its Electrical Parameters According to the Hall Effect a voltage can be measured at right angle to the current path when a conductor or semiconductor with current flowing in one direction is introduced perpendicular to a magnetic field The Hall voltage can be calculated from Vy kylyB Where Vy Hall voltage in volts B the applied field in Gauss Ky sensitivity of the element in volts Gauss bias working current in amperes The initial use of this discovery was for the classification of chemical samples The development of indium arsenide semiconductor compounds in the 1950 s led to the first useful Hall Effect magnetic instruments Hall Effect sensors allowed the measurement of DC or static magnetic fields with requiring motion of the sensor 6 Measuring Method The magnetic lines of the measured magnetic field sh2. 4 Auto Power Off Mode The Gaussmeter is set in the Auto Power Off Mode namely the power source is turned off automatically when one doesn t press any key of the Gaussmeter within 5 minutes and the Gaussmeter is not in the measurement mode i e the display value is lower than 0 1mT The life time of the battery can be lengthened in this way One can do the following operations in order to cancel the Auto Power Off Mode Restart the Gaussmeter again Press the key mT Gs 6 before the pattern appears on the display Hold down the key 6 until N HOLD and the battery pattern appear on the display Then let loose the pressed key after the pattern is disappeared One can setup the Auto Power Off Mode using the following operations again Restart the Gaussmeter again Press the key RANGE 8 before the pattern appears on the display Hold down the key 8 until HOLD and the battery pattern appear on the display Then let loose the pressed key 8 after the pattern is disappeared After the measurement please put the protective tube on the Hall probe in order to protect the Hall element and switch off the power The Hall probes delivered are compatible The measuring accuracy under using other changed Hall probes is 2 9 Warranty Measuring instrument Hall sensor probe 10 12 months no guarantee However we offer you Replacement for redu
3. The Gaussmeter CYHT208 can be used to measure DC AC magnetic field strength of permanent magnet materials motors soeakers magnetic sensors transducers and other machines and instruments etc with high resolution It is powered with 4 pieces of batteries 1 5VDC No 5 and can work for 100 hours continuously or for several weeks if the Auto Power off mode is used Chen Vang i e Digital Gauss Tesla Meter 1 Characteristics CYHT208 User s Manual Chenang Technologies GmbH amp Co KG Markt Schwabener Str 8 85464 Finsing Germany Tel 49 0 8121 2574100 Fax 49 0 8121 2574101 Email info chenyang de http www chenyang de Wide measuring range and high resolution A low cost measuring device which is easy to operate portable and convenient to handle and store Ideal for quick quality checks and comparative measurements with built in polarity display 2 Technical Data Measuring ranges Basic accuracy Resolution Application Frequency range Functions Display Display Unit Ambient temperature Storage temperature Relative humidity Power supply Dimensions Weight 3 Accessories DC 0 200mT 2000mT AC 0 200mT 1000mT 2 0 3 digits for lt 1000mT 2 0 5 digits for gt 1000mT 0 01mT for measuring range 0 200mT 0 1mT for measuring range 0 1000mT 2000mT Measuring DC AC magnetic field DC 200Hz Peak hold Max hold Automatic range Gs mT selection N S pole display
4. ced price 10 discount Service Please contact us for technical questions repairing and replacement etc 12
5. ould perpendicularly pass through the Hall Effect element of the Hall probe The sensing plan of the Hall sensor probe should be positioned perpendicular to the magnetic field Measurement of magnetic field in a space or gap Put the concave side i e the side with a small circle mark of the probe on the surface of the measured magnet or at the measuring point of a magnetic field carefully 4 Measurement of surface flux density of a magnet DC magnetic field AC Magnetic field Measurement of AC magnetic field generated by AC current Incorrect use of Hall probe too large measuring force Easy damage the Hall probe 7 Part and Functions AC Mode mark Peak hold Pole display DC l Display unit Measuring value TS Front Panel 2 3 8 EA LAS HT206 TESLA METER ri 6 Socket outlet with 4 pins LED display Peak max min hold AC DC Mode Power switch ON OFF Zero peak reset Unit select mT Gs measuring range a eee Back Panel Battery Compartment Functions 1 Socket outlet to connect the Hall sensor probe to the measuring instrument 2 LCD display to display the field strength and pole direction N north pole S south pole and AC mode mark etc 3 Peak max hold to display and hold the peak max value 4 AC DC Mode to select the measurement of AC or DC magnetic field 5 Power switch to switch ON OFF the measuring instrument 6 Unit select to select the measu
6. ring and display unit Gauss or mT 7 Zero peak reset to reset the measuring value and peak mode Range select to select the measuring range 0 200mT or 0 2000mT 9 Plug of Hall probe to connect the Hall probe to the measuring instrument 10 Measuring circle mark the side with this mark is the measuring side of the Hall sensor You should use this side to measure the surface magnetic field of permanent magnet This side should be positioned perpendicular to the magnetic field Hall sensor probes Protective tube Concave Transverse probe 3 Protective tube Concave Axial Hall Probe 9 Plug of Hall probe 11 Measuring contact position 10 Measuring circle mark 8 Measuring Procedure 1 Install the 4x1 5V battery to the battery compartment of the measuring instrument 2 Connect the Hall sensor probe to the measuring instrument 3 Switch on the power of measuring instrument by pressing button 5 LCD display shows 0 0mT HA mT S 4 Select measuring range by pressing the button 8 the measuring range changes between 0 200mT and 0 2000mIT as follows 0 2000mT 0 200mT 5 Select AC DC Mode by using the button 4 the display shows the following DC or AC measuring mode S ay T mT E o mT DC magnetic field AC magnetic field N north pole S south pole for DC magnetic field 6 Select unit by pressing 6 unit changes between Gs and mT 000 ear Unit mT Unit Gs 7 Reset Ga
7. ussmeter Keep the Hall probe faraway from magnetic field LCD display shows zero after pressing button 7 ng 00 Ay Ay aos U ooo mT Bo Boy Note You must reset the Gassmeter before you start a new measurement after you have changed the measuring range 8 and AC DC Mode 4 E3 GN EB CE J E3 E3 E3 rp wn Select peak hold You can select peak holding mode or normal measuring mode by using button 3 Normal Measuring Mode Peak Holding Mode Take off the protective tube of the Hall sensor probe position the measuring circle mark 10 on the surface of the measuring object such as permanent magnet and read the display value measuring value and pole display N or S Note the measuring circle mark 10 is measuring point of the Hall sensor The pole is N pole if the display is N when this mark orients to the measuring object 10 Reset peak hold mode Under the peak holding mode the display changes only when the actual measuring value is larger than the last peak value displayed Therefore you must reset the peak holding mode by using button 7 if you need to measure smaller magnetic field than the peak value The device works still in peak holding mode after resetting Sample last peak value 1500mT actual peak value 800mT after reset the peak holding mode 11 The battery should be changed if the low battery pattern is shown on the display 12 13 1
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