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Hioki CKT3548 Скачать руководство пользователя страница 22

Changzhou Chuangkai Electronic Co.,Ltd

Edition

V1.0

22

Lithium battery replacement

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Содержание CKT3548

Страница 1: ...CKT3548 User s Manual RESISTANCE METER Changzhou Chuangkai Electronic Co Ltd Edition V1 0...

Страница 2: ...unction 41 4 3 Compensating for Thermal Effects Temperature Correction TC 42 4 4 Compensating for Thermal EMF Offset Offset Voltage Compensation Function OVC Function 44 4 5 Setting the Delay Time for...

Страница 3: ...ings 74 8 1 confirmation screen displays the date and time 74 8 2 calibration clock 75 8 3 initialized reset 76 Chapter 9 Appendix 77 Appx 1 block diagram 77 Appx 2 Four Terminal Voltage Drop Method 7...

Страница 4: ...Contents When you receive the instrument inspect it carefully to ensure that no damage occurred during shipping In particular check the accessories panel switches and connectors If damage is evident...

Страница 5: ...could result in injury or death as wellas damage to the instrument Be certain that you understand the instructions and precautions in the manual before use Notation This manual contains information a...

Страница 6: ...perator or damage to the instrument or malfunction Indicates functions of the instrument or relative suggestion of a correct operation Accuracy We define measurement tolerances in terms of f s full sc...

Страница 7: ...ible to vibration Checking before use Before using the instrument the first time verify that it operates normally to ensure that no damage occurred during storage or shipping If you find any damage co...

Страница 8: ...ibration or shock during transport or handling Especially be careful not to drop or fall the instrument which will cause shock To avoid any damage to the instrument do not input voltage or current to...

Страница 9: ...tandard auto memory and auto hold and optional L2105 LED Comparator Attachment Highly reliable specifications implemented in a compact light weight body 35 000 dgt high resolution 0 1 resolution at 1...

Страница 10: ...Changzhou Chuangkai Electronic Co Ltd Edition V1 0 10 1 2 Component Names and Operation Overview Front Panel Rear Panel Rear panel...

Страница 11: ...ializes the measurement conditions SAVE CLEAR key press and hold Saves and clears panels SAvE CLr TC T key Temperature correction conversion function oFF TC T LENGTH key press and hold Length conversi...

Страница 12: ...e no indicator memory number MEMORY No key Changes values and items DATE key press and hold Displays the date and time confirmation screen ESC key Cancels the setting when in the setting screen Releas...

Страница 13: ...e of the following settings it is necessary to turn the power from off to on while holding down a particular key For details see the indicated page Clearing zero adjustment Switching to a different me...

Страница 14: ...re display is lit Displays measurement conditions settings measured values memory numbers MEMORY No panel numbers comparator settings judgment results etc For information on the error display see Erro...

Страница 15: ...Changzhou Chuangkai Electronic Co Ltd Edition V1 0 15 Temperature conversion T measurement screen Interval measurement screen Non measured value display Out of range Current fault...

Страница 16: ...is enabled Blinking Zero adjustment is in progress A HOLD The auto hold function is enabled A MEMO The auto memory function is enabled The beeper function is enabled APS The auto power save function...

Страница 17: ...n doing the settings for each function COMP Comparator function is enabled PASS The notation appears when the comparator judgement result is confirmed as qualified FAIL The notation appears when the c...

Страница 18: ...itions appropriately according to the measurement target Before starting measurement use the examples recommended in the following table to configure the instrument When the measurement target signifi...

Страница 19: ...Changzhou Chuangkai Electronic Co Ltd Edition V1 0 19 1 5 Dimension...

Страница 20: ...hing the strap to the instrument allows you to use it with the strap around your neck Follow the procedure below to attach the strap Note Use the four attachment points on the instrument to attach the...

Страница 21: ...to reattach the cover Poor performance or damage from battery leakage could result Observe the cautions listed below Do not use both new and old batteries or different types of batteries together Be c...

Страница 22: ...Changzhou Chuangkai Electronic Co Ltd Edition V1 0 22 Lithium battery replacement...

Страница 23: ...oid electric shock accident connect the test leads correctly To be safe do not use any test lead other than the ones specified by our company The ends of leads are sharp Be careful to avoid injury Con...

Страница 24: ...e POWER key to turn the power on Hold the key down until the entire display turns on Entire display lit A self test is started The model name and version number are displayed during the self test Turn...

Страница 25: ...with the previous state used immediately before turning it off Automatic power off with auto power save APS When the instrument is not being used the APS function automatically turns it o to reduce ba...

Страница 26: ...while holding the ENTER key down when the power is off The setting of the APS function is not saved When the instrument is turned on again the APS function is enabled again IMPORTANT During an interva...

Страница 27: ...he metal exposed If the coating of a test lead is broken the measured value may become unstable or have an error Replace the damaged test lead Power on checking Inspection item Action Is the remaining...

Страница 28: ...proximately 2 W may be applied If there are any of the following concerns depending on the level of the measurement current select a range using a lower measurement current The measurement target may...

Страница 29: ...the comparator function is turned ON the range is fixed and cannot be changed To change the range turn the comparator function OFF or change the range in the comparator setting Depending on the measu...

Страница 30: ...Changzhou Chuangkai Electronic Co Ltd Edition V1 0 30 3 2 Connecting the Test Leads to the Measurement Target Example Test clip Example Test Probe...

Страница 31: ...of a Conductor Length Conversion Function Switching the display Press and hold the VIEW key to switch the type of information displayed on the upper right of the screen Temperature no indicator memor...

Страница 32: ...nd if oF is displayed the comparator judgment is Lo In the same manner oF is displayed when the temperature exceeds the measurement range during temperature measurement Current fault or not measured y...

Страница 33: ...ge input If an overvoltage is accidentally applied and a fuse is blown replace the fuse Temperature Sensor not connected Temperature cannot be measured as the Temperature Sensor is not connected When...

Страница 34: ...nversion function exceeds 999 99 km 2 Current fault detection function Current fault examples The DRIVE or DRIVE probe is open The measurement target has a broken wire open circuit work The DRIVE or D...

Страница 35: ...Co Ltd Edition V1 0 35 Save a measured value The storage function helps to verify a measured value later It saves the displayed measured value For more details about the save function see Saving Data...

Страница 36: ...led IMPORTANT When the ambient temperature changes or the test leads are replaced after zero adjustment perform zero adjustment again Perform zero adjustment for each range used In the manual range mo...

Страница 37: ...zero adjustment 1 Short the test leads Example Test CliP p Correct Incorrect Example Text Probe 2 Confirm that the measured value is within 3 f s If no measured value is displayed make sure that the...

Страница 38: ...ent If it is difficult to press the key as the Zero Adjustment Board is used press the 0 ADJ key before shorting the measurement lead Zero adjustment is automatically performed after the measured valu...

Страница 39: ...each range or the instrument is in a measurement error state Perform zero adjustment with the correct wire connection again If the resistance is too high e g due to a self made cable zero adjustment...

Страница 40: ...Changzhou Chuangkai Electronic Co Ltd Edition V1 0 40...

Страница 41: ...ectronic Co Ltd Edition V1 0 41 4 2 Stabilizing Measured Values Averaging Function This function averages the measurement values in order to display a single value It helps to stabilize fluctuations i...

Страница 42: ...he reference temperature to display the converted value For the principles of temperature correction see Appx Temperature Correction Function TC To perform temperature correction connect the Z2002 Tem...

Страница 43: ...Chuangkai Electronic Co Ltd Edition V1 0 43 IMPORTANT If the t Err is displayed the Temperature Sensor may not be connected or Of is displayed for the temperature Check the connection of the Temperatu...

Страница 44: ...ically compensates for an offset voltage caused by thermal EMF or an internal offset voltage OVC Offset Voltage Compensation See Appx Effect of Thermoelectromotive Force Thermal EMF The function uses...

Страница 45: ...et OVC delay value factory default Unit ms Measurement current Range Delay time Lo 3m 30m 200 300m 3 50 30 300 30 Hi 300m 200 IMPORTANT When the offset voltage compensation function is ON the OVC indi...

Страница 46: ...ime to approximately ten times the following calculation so that the reactance component inductance or capacitance does not affect the measurement L Measurement target inductance R Measurement target...

Страница 47: ...ons It is also useful when performing measurement in an environment with external noise When measurement is performed with the 300 mA measurement current the 300 mA indicator lights up 1 When measurin...

Страница 48: ...urement current This is due to an oxide film that is generated around the contact while it is not used Even when it is judged that no abnormality is found using a small current the connection sections...

Страница 49: ...ED Comparator Attachment option There are two different judgment methods available ABS mode and REF mode Before using the comparator function If no measured value appears the comparator judgment is di...

Страница 50: ...ode Set the upper and lower limit values for judgment as absolute values Example Upper limit value 100 00 m Lower limit value 80 00 m Upper limit value 100 00 m REF relative value judgment mode Set th...

Страница 51: ...Changzhou Chuangkai Electronic Co Ltd Edition V1 0 51 Judging based on upper and lower limit values ABS mode...

Страница 52: ...ased on a reference value and allowable range REF mode In REF mode a measured value is displayed as a relative value The upper and lower limit values cannot be set separately IMPORTANT Any setting cha...

Страница 53: ...hen upper limit value lower limit value Judging based on a reference value and allowable range REF mode In REF mode a measured value is displayed as a relative value The upper and lower limit values c...

Страница 54: ...Changzhou Chuangkai Electronic Co Ltd Edition V1 0 54 Verifying a judgment with a sound judgment sound function This function sounds the buzzer based on a comparator judgment result...

Страница 55: ...T 1 After the motor and coil are stabilized at room temperature measure the resistance R1 and instrument ambient temperature t1 and then input these values to the instrument 2 Disconnect the test lead...

Страница 56: ...Changzhou Chuangkai Electronic Co Ltd Edition V1 0 56 Measurement screen...

Страница 57: ...Changzhou Chuangkai Electronic Co Ltd Edition V1 0 57...

Страница 58: ...s a conductor Press and hold the TC T LENGTH key to display the ON OFF setting screen for the length conversion function Example When the measured resistance is 8 and per meter resistance is 100m m Me...

Страница 59: ...RTANT The display format decimal point position and unit automatically changes depending on the range and setting For details see the product specifications For some ranges oF is always displayed beca...

Страница 60: ...he measurement conditions at any time The panel data is retained even if the instrument is turned off Press the PANEL key to display the panel load screen Press and hold the PANEL SAVE CLEAR key to di...

Страница 61: ...e set of current measurement conditions 1 Press the PANEL SAVE CLEAR key 2 Select SAVE 3 Select a panel number 4 Press the ENTER key save and move to the measurement screen IMPORTANT If the already sa...

Страница 62: ...ress and hold the PANEL SAVE CLEAR key 2 Select CLEAR 3 Select a panel number 4 Press the ENTER key to delete the panel move to the measurement screen IMPORTANT If the number of a panel that is not sa...

Страница 63: ...time measurement value temperature resistance measurement range averaging temperature correction TC temperature conversion T and interval Memory layout Memory block 10 blocks Maximum number of entries...

Страница 64: ...Edition V1 0 64 1 Press the M BLOCK key to go to the memory block selection screen 2 Rolling the or key to change the memory block 3 Press the Enter key to move the measurement screen or press the Esc...

Страница 65: ...ess any timing to save manual storage Press the ENTER MEMO key to save the displayed measured value The memory number is incremented by one each time data is saved and cannot be specified If data is a...

Страница 66: ...and saved Press the MODE key to switch saving mode oFF Auto hold A HOLD Auto memory A HOLD A MEMORY Interval INTERVAL oFF Press the ENTER key to confirm the saving mode press the ESC key to cancel th...

Страница 67: ...form a temperature rise test for estimation of power off temperature Press the MODE key to switch the saving mode oFF Auto hold A HOLD Auto memory A HOLD A MEMORY Interval INTERVAL oFF Press the key t...

Страница 68: ...on IMPORTANT When an interval measurement starts data is automatically saved in an available free block The memory block used cannot be changed When the interval measurement stops the used memory bloc...

Страница 69: ...c Co Ltd Edition V1 0 69 7 4 Display saved measurement data stored display Press the READ key to display the saved measurement data Press the key to change the saved read number Press ENTER or ESC key...

Страница 70: ...are three different methods to clear saved measurement data Clearing only the last data latest data saved in a block Clearing an entire block Clearing all Press and hold the READ MEMO CLEAR key to di...

Страница 71: ...Changzhou Chuangkai Electronic Co Ltd Edition V1 0 71 Clearing an entire block of saved data Clearing all...

Страница 72: ...the plugs to the instrument and PC Removing the USB cable To remove the USB cable connected to the instrument while the PC is running use the Safely Remove Hardware icon on the PC Install desktop sof...

Страница 73: ...Changzhou Chuangkai Electronic Co Ltd Edition V1 0 73 After the connecting successfully click data to read measurement Click the data export the data can be exported to a CSV file...

Страница 74: ...ctronic Co Ltd Edition V1 0 74 Chapter 8 System Settings 8 1 confirmation screen displays the date and time Press and hold the DATE key to verify the date and time Press the Esc or Enter key to return...

Страница 75: ...time To display the time setting screen press and hold the DATE key in date and time state Press key to switch the digits items press the key to change the values Press the Enter key to confirm and sw...

Страница 76: ...urement data This type of initialization is possible even if the power is on Reset to reset the current measurement conditions Resets data and settings other than the panel data saved measurement data...

Страница 77: ...stance easily During measurement it is monitored whether normal constant current flow is present in the measurement target C In addition to resistance temperature is measured with a thermistor tempera...

Страница 78: ...al method is essential for measuring very small resistance values With two terminal measurements Fig 1 the resistance of the test leads is included in the measured resistance resulting in measurement...

Страница 79: ...t impedance of the voltmeter allows only negligible current flow through r3 and r4 So the voltage drop across r3 and r4 is practically nil and voltage E across the measurement terminals and voltage E0...

Страница 80: ...of an DC power supply and DC voltmeter While its simple circuitry makes it easier to increase accuracy it is prone to measurement errors due to electromotive force that may be present in the measurem...

Страница 81: ...Changzhou Chuangkai Electronic Co Ltd Edition V1 0 81...

Страница 82: ...arget having resistance temperature coefficient at t0 C of t 0 at t C and t 0 C Example If a copper test object with a resistance temperature coefficient at 20 C of 3930 ppm measures 100 at 30 C its r...

Страница 83: ...ficient at 20 C is a20 and the temperature coefficient for conductivity C at t C is aCt aCt is determined as follows near the ambient temperature For example the temperature coefficient of internation...

Страница 84: ...Changzhou Chuangkai Electronic Co Ltd Edition V1 0 84...

Страница 85: ...t1 of 20 C and measured resistance R2 of 210 m at current ambient temperature t2 of 25 C the temperature increase value is calculated as follows Therefore the current temperature tR of the resistive...

Страница 86: ...1 The amplitude of thermal EMF depends on the temperature of the measurement environment with the force generally being greater at higher temperature Increasing thermal EMF examples The measurement t...

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