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Teledyne T3DMM4-5, User Manual

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Teledyne T3DMM4-5 User Manual Download Page 17

15

Back Panel

T3DMM4-5 Digital Multimeter’s Back Panel provides users with abundant

interfaces as shown in the following diagram.

Diagram 1- 5 Back Panel Overview

Power Socket

Power Fuse

AC Voltage Selector

Extension card interface (not used)

USB Device

LAN

VMC Output

Ext Trig

Current Input Fuse

I

G

H

F

E

A

B

C

D

Summary of Contents for T3DMM4-5

Page 1: ...User Manual T3DMM4 5 Digital Multimeter ...

Page 2: ...s products are protected by patent laws in and outside of the United States of America Teledyne Test Tools reserves the rights to change the specification and price Information in this publication replaces all previous corresponding published material Contents in this manual are not allowed to be copied extracted or translated in any form or by any means without Teledyne Test Tools permission ...

Page 3: ... signal wires correctly The potential of the signal conductor is equal to earth so do not connect the signal conductor to a high voltage beyond the rating on the instrument Observe all terminal ratings Please observe all ratings and sign instructions on the instrument to avoid fire or electric shock Before connecting the instrument please read the manual carefully to gain more information about th...

Page 4: ...ument DANGER Direct injury or hazard may occur WARNING Potential injury or hazard may occur CAUTION Potential damage to instrument property may occur CAT I 1 IEC Measurement Category I applicable for making measurements on other circuits that are not directly connected to mains See p 6 CAT II IEC Measurement Category II applicable for making measurements on circuits connected directly to utilizati...

Page 5: ...sing at 40 C Altitude 2000 m Use indoors only Pollution Degree 2 Use in an operating environment where normally only dry non conductive pollution occurs Temporary conductivity caused by condensation should be expected AC Power Input Voltage Frequency 100 120 V at 50 60 Hz or 200 240 V at 50 60 Hz Manual AC selection with a slide switch Power Consumption 20 W maximum Mains Supply Connector CAT II p...

Page 6: ...e HI terminal relative to ground is 1000Vpk Therefore the total of the float voltage and the measured voltage cannot exceed 1000Vpk 2 Sampling HI Sense and LO Sense terminal HI Sense and LO Sense are used for 4 wire Resistance measurements Two protection limits are defined HI Sense LO Sense protection limit 200Vpk LO Sense LO Sense protection limit 2Vpk 3 Current input I terminal I and LO terminal...

Page 7: ...to mains in such devices 300 VAC for T3DMM4 5 and 600 VAC for T3DMM5 5 T3DMM6 5 or to the branch outlet itself However the HI and LO terminals of the multimeter can t be connected to mains in permanently installed electrical devices such as the main circuit breaker panels sub panel disconnected boxes and permanently wired motors Such devices and circuits are prone to exceed the protection limits o...

Page 8: ...ch colour TFT LCD display screen with 480 272 resolution Real 4 digits readings resolution Up to 150rdgs S measurement speed True RMS AC Voltage and AC Current measurements 1 Gb Nand Flash size mass storage configuration files and data files Built in cold terminal compensation for thermocouples Support standard SCPI and control software on a PC compatible With commands of mainstream multimeters Su...

Page 9: ... functions and operations of T3DMM4 5 in detail Chapter 3 Application Examples Introduce the measurement functions and capabilities of this instrument through examples Chapter 4 Measurement Tutorial How to avoid and eliminate possible errors that could appear during your measurement and obtain accurate results Chapter 5 General Troubleshooting Provide general troubleshooting hints and tips Chapter...

Page 10: ...lay 17 Chapter 2 Functions and Operation 18 To Select Measurement Range 19 To Select Measurement Speed 21 Basic Measurement Functions 22 To Measure DC Voltage 23 To Measure DC Current 25 To Measure AC Voltage 27 To Measure AC Current 29 To Measure 2 Wire 4 Wire Resistance 31 4 Wire Resistance 33 To Measure Capacitance 35 To Measure Frequency or Period 37 To Measure Period 39 To Test Continuity 41 ...

Page 11: ... 58 Board Test 60 System Setup 64 Firmware Update 66 Acquire 67 Auto Trigger 68 Single Trigger 69 External Trigger 70 Help System 71 Math Function 73 Statistics 75 Limits 77 dBm 79 dB 80 Relative Value 82 Display Mode 83 Number 83 Bar Meter 84 Trend Chart 85 Histogram 87 Trigger 89 Auto Trigger 89 Single Trigger 89 Hold Measurement Function 90 ...

Page 12: ... To Use Hold Measurement Function 100 Chapter 4 Measurement Tutorial 102 True RMS AC Measurement 102 Crest Factor Errors non sinusoidal inputs 103 Loading Errors AC Voltage 104 Chapter 5 General Troubleshooting 105 Chapter 6 Appendix 107 Appendix A Accessories 107 Appendix B Warranty summary 108 Appendix C Daily Maintenance and Cleaning 109 Maintenance 109 Cleaning 109 Appendix D Contact Teledyne ...

Page 13: ...11 Chapter 1 Quick Start General Inspection Handle Adjustment The Front Panel The Back Panel To Connect Power Line User Interface To Use Safety Lock ...

Page 14: ...t will be compensated by the shipper or carrier Teledyne Test Tools will not be responsible for free repair or replacement 2 Inspect the instrument If there is any mechanical damage or damaged accessories or the instrument fails the electrical and mechanical test please contact your Teledyne Test Tools sales 3 Check the accessories Check the accessories according to the packing list carefully If t...

Page 15: ...on so that users can manipulate and observe the display better Please grip the handle by the two sides and pull it outward Then rotate the handle to the appropriate position Please operate as shown in the following diagrams Diagram 1 1 Handle adjustment Diagram 1 2 Horizontal Position Diagram 1 3 Carrying Position ...

Page 16: ...logic and users only need to choose the corresponding buttons to carry out the basic operations as shown in Diagram 1 4 B C D E F H G Diagram 1 4 Front Panel Overview LCD Display USB Host Power Key Menu Keys Basic Measurement Function Keys Auxiliary Measurement Function Keys Enable Trig Keys Direction Keys Signal Input Port A I ...

Page 17: ... provides users with abundant interfaces as shown in the following diagram Diagram 1 5 Back Panel Overview Power Socket Power Fuse AC Voltage Selector Extension card interface not used USB Device LAN VMC Output Ext Trig Current Input Fuse I G H F E A B C D ...

Page 18: ...ector to 110 100 120V 45 440Hz AC or 220 200 240V 50 60Hz AC in accordance with the power standards of your country 2 Connect the instrument to an AC supply via a power cord supplied by Teledyne Test Tools 3 Press the power key on the front panel the instrument will be started a few seconds later ...

Page 19: ... LAN State Icon Control Mode Diagram 1 6 Single Display Interface Dual Display Diagram 1 7 User Interface Main Display Function Reading Display Measurement Range Unit Softkey Menu Second display Main Display Function Main Display Dual Display Icon ...

Page 20: ...stance To Measure Frequency Capacitance To Test Continuity Diode To Measure Temperature To use Dual display Function or Set Up the Utility Acquire Function or Help System Math Function or Display Function Run Stop Single Trigger Hold Measurement Function To Switch Functions or Return to Local Menu To Select Measurement Range ...

Page 21: ...nt panel as shown in diagram 2 1 Increase range Decrease range Diagram 2 1 Range Selection Keys Method 1 By Function keys on the Front Panel Auto Range Press to switch between Auto Range and Manual Range Manual Range Press to increase the range and press to decrease the range Method 2 By soft keys on the measurement main interface as Diagram 2 2 Auto Range Press Auto to choose Auto Range meanwhile...

Page 22: ...ult setting Auto after restarting and remote reset 3 Users are advised to select the Auto range so as to protect the instrument against damage and extract as much data as possible when it is hard to predict the measurement range 4 For the Dual display Function the measurement range of the second display is auto 5 The range is fixed during Continuity testing The range for continuity is selected as ...

Page 23: ...nd 2 Wire 4 Wire Resistance Slow Middle and Fast 2 There is a linkage for both reading resolution and reading measurement rate 3 5 reading s and 50 reading s gives 4 5 digit resolution 4 150 reading s gives 3 5 digit resolution 5 The reading resolution of Temperature is fixed at 4 5 digit and Fast respectively 6 The reading resolutions and measurement rates of both Diode and Continuity are fixed a...

Page 24: ...ave the following basic functions To Measure DC Voltage To Measure AC Voltage To Measure DC Current To Measure AC Current To Measure 2 4 Wire Resistance To Measure Capacitance To Test Continuity To Test Diode To Measure Frequency or Period To Measure Temperature ...

Page 25: ... be introduced as follows Operating Steps 1 Press on the front panel to enter the DC Voltage measurement interface as shown in Diagram 2 4 Diagram 2 4 DC Voltage Measurement Interface 2 Connect the red lead to the terminal Input HI and the black lead to terminal Input LO as displayed in diagram 2 5 Diagram 2 5 Sketch Map for Measuring DC Voltage ...

Page 26: ...s Input Z to set the DC resistance to 10M default value or 10G Users can execute DC voltage measurement directly without modifying this parameter which has been setup before leaving the factory 5 Set the relative value Optional operation Press Rel to turn on or off the Relative math function When it is on the reading displayed is a relative value which comes from the result of actual measurement v...

Page 27: ...il in the following steps Operating Steps 1 Press and on the front panel to enter the DC Current measurement interface as shown in diagram 2 6 Diagram 2 6 DC Voltage Measurement Interface 2 Connect the red lead to the terminal Input I and the black lead to terminal Input LO as displayed in diagram 2 7 Diagram 2 7 Connections for Measuring DC Current ...

Page 28: ...value Optional operation Press Rel to turn on or off the Relative math function When it is on the reading displayed is a relative value which comes from the result of actual measurement value minus the relative value that has been set The default relative value is the measurement value when the function is on For details please refer to Maths Functions in Chapter 2 5 Read the measurement result Se...

Page 29: ...ail in the following steps Operating Steps 1 Press on the front panel to enter the AC Voltage measurement interface as shown in Diagram 2 8 Diagram 2 8 AC Voltage Measurement Interface 2 Connect the red lead to the terminal Input HI and the black lead to terminal Input LO as the displayed in diagram 2 9 Diagram 2 9 Connections for Measuring AC Voltage ...

Page 30: ...ative value Optional operation Press Rel to turn on or off the Relative math function When it is on the reading displayed is a relative value which comes from the result of actual measurement value minus the relative value that has been set The default relative value is the measurement value when the function is Turned on For details please refer to Maths Functions in Chapter 2 5 Read the measurem...

Page 31: ... the following steps Operating Steps 1 Press and on the front panel to enter the AC Current measurement interface as displayed in diagram 2 11 Diagram 2 11 AC Voltage Measurement Interface 2 Connect the red lead to the terminal Input I and the black lead to terminal Input LO as displayed in diagram 2 12 Diagram 2 12 Connections for Measuring AC Current ...

Page 32: ...e Optional operation Press Rel to turn on or off the Relative math function When it is on the reading displayed is a relative value which comes from the result of actual measurement value minus the relative value that has been set The default relative value is the measurement value when the function is Turned on For details please refer to Maths Functions in Chapter 2 5 Read measurement result Sel...

Page 33: ... detail separately 2 Wire Resistance Operating Steps 1 Press on the front panel to enter the 2 Wire Resistance measurement interface as displayed in diagram 2 13 Diagram 2 13 2 Wire Resistance Measurement Interface 2 Connect the red lead to the terminal Input HI and the black lead to terminal Input LO as displayed in diagram 2 14 Diagram 2 14 Connections for Measuring 2 Wire Resistance ...

Page 34: ...n When it is on the reading displayed is a value which comes from the result of actual measurement value minus the relative value that has been set The default relative value is the measurement value when the function is turned on For details please refer to Maths Functions in Chapter 2 5 Read the measurement result Select the required measurement rate reading rate by pressing Speed and read the m...

Page 35: ... Resistance measurement interface as displayed in diagram 2 14 Diagram 2 15 4 Wire Resistance Measurement Interface 2 Connect the red lead to the terminal Input HI and the black lead to terminal Input LO as displayed in diagram 2 16 Diagram 2 16 Connections for Measuring 4 Wire Resistance ...

Page 36: ...tive math function When it is open the reading displayed is a value which comes from the result of actual measurement value subtracts the relative value that has been set The default relative value is the measurement value when the function is opened For details please refer to Maths Functions in Chapter 2 5 Read the measurement result Select the required measurement rate reading rate by pressing ...

Page 37: ...ail in the following steps Operating Steps 1 Press on the front panel to enter the Capacitance measurement interface as shown in diagram 2 17 Diagram 2 17 Capacitance Measurement Interface 2 Connect the red lead to the terminal Input HI and the black lead to terminal Input LO as the following diagram Diagram 2 18 Sketch Map for Measuring Capacitance ...

Page 38: ...opened the reading displayed is a value which comes from the result of actual measurement value subtracts the relative value that has been set The default relative value is the measurement value when the function is opened For details please refer to Maths Functions in Chapter 2 5 Read the measurement result Capacitance measurement is fixed at Slow rate Therefore you cannot adjust the reading rate...

Page 39: ...l be introduced in detail in the following steps To Measure Frequency Operating Steps 1 Press and on the front panel to enter the Frequency measurement interface The lower right corner of the screen shows the unit of Frequency as displayed in Diagram 2 19 Diagram 2 19 Frequency Measurement Interface 2 Connect the red lead to the terminal Input HI and the black lead to terminal Input LO as displaye...

Page 40: ...n When it is opened the reading displayed is a value which comes from the result of actual measurement value subtracts the relative value that has been set The default relative value is the measurement value when the function is opened For details please refer to Maths Functions in Chapter 2 5 Read the measurement result Frequency measurement is fixed at Slow rate Therefore you cannot adjust the r...

Page 41: ...ement interface The lower right corner of the screen shows the unit of Period as displayed in diagram 2 21 Diagram 2 21 Period Measurement Interface 2 Connect the red lead to the terminal Input HI and the black lead to terminal Input LO as the displayed in diagram 2 22 Diagram 2 22 Sketch Map for Measuring Period ...

Page 42: ... When it is open the reading displayed is a value which comes from the result of actual measurement value subtracts the relative value that has been set The default relative value is the measurement value when the function is opened For details please refer to Maths Functions in Chapter 2 5 Read the measurement result Period measurement is fixed at Slow rate Therefore you cannot adjust the reading...

Page 43: ... connected with the instrument The method to test Continuity will be introduced in detail in the following steps Operating Steps 1 Press on the front panel to enter the Continuity test interface as displayed in diagram 2 23 Diagram 2 23 Continuity Measurement Interface 2 Connect the red lead to the terminal Input HI and the black lead to terminal Input LO as displayed in diagram 2 24 Diagram 2 24 ...

Page 44: ...at 2kΩ Open circuit Voltage 8V Input Protection 1000V on all ranges HI terminal Beep Condition 0 Rtesting Short circuit impedance 1Ω Short circuit impedance 2kΩ 4 Set the Beeper function Press Beeper to turn the Beeper on or off If the circuit is continuous the instrument will beep once when the Beeper is turned on 5 Search for the test point and read the measurement result NOTE Before testing con...

Page 45: ...steps Operating Steps 1 Press and on the front panel to enter the Diode test interface as displayed in Diagram 2 25 Diagram 2 25 Diode Test Interface 2 Connect the red lead to both terminal Input HI and anode of the Diode Connect the black lead to both terminal Input LO and cathode of the Diode as the displayed in diagram 2 26 Diagram 2 26 Sketch Map for testing Diode ...

Page 46: ...strument will beep once when the Beeper is turned on 5 Read the measurement result 6 Reverse the probes and measure the voltage in the diode once more Evaluate the diode according to the following rules If the Multimeter shows overload when in reverse bias model it indicates that the diode is normal If the Multimeter shows voltage about 0V and the instrument beeps persistently when in forward and ...

Page 47: ...n detail in the following steps Operating Steps 1 Press on the front panel to enter the Temperature measurement interface as displayed in diagram 2 27 Diagram 2 27 Temperature Measurement Interface 2 Connect the red lead to terminal Input HI and the black lead to terminal Input LO as displayed in diagram 2 28 Diagram 2 28 Sketch Map for Measuring Temperature ...

Page 48: ...ram 2 29 Load a Configuration File 4 Press Define to view the configuration as displayed diagram 2 30 Diagram 2 30 Configuration of the Sensor 5 Press Display to choose a display mode The Multimeter supports three display modes Temperature Value Measured Value and All Diagram 2 31 Choose Display Mode of Temperature Measurement ...

Page 49: ...hoose the unit of temperature The Multimeter supports three units C F K Diagram 2 33 Unit Selection Interface 8 Set the relative value Optional operation Press Rel to open or close the Relative math function When it is opened the reading is a value which comes from the result of actual measurement value subtracts the relative value that has been set The default relative value is the measurement va...

Page 50: ... The Temperature measurement is fixed at Fast rate Therefore you cannot adjust the reading rate when reading the result 10 View historical data There are four methods to view historical data Number Bar Meter Trend Chart and Histogram ...

Page 51: ... of input impedance for the DC voltage measurements are 10MΩ and 10GΩ 10MΩ impedance is general for the Multimeter but for 600mV manual range The 10GΩ should be chosen for better a result The current selection will be saved in non volatile memory DC input impedance selection While the DC input impedance is selected as 10MΩ the input impedance of all measurement range is 10MΩ While the DC input imp...

Page 52: ...in diagram 2 35 Diagram 2 35 Set Up the Short circuit Resistance 2 Use the direction keys to change the parameter values Press the left and right directional keys to choose different digits Each press of the Left key the former number will be selected and vice versa Press the up and down keys to change the current digit value Each press for the up key the value will be increased 1 and vice versa S...

Page 53: ...s shade is available Main Display Function DCV DCI ACV ACI FREQ PERIOD 2WR 4WR Cap Vice Display Function DCV DCI ACV ACI FREQ PERIOD 2WR 4WR Cap Explanations 1 If the same measurement function is used in both Main and Vice Display The readings in both displays will update at the same time If the math function dBm dB is used in Main Display when opening the Vice Display the math operation will be c...

Page 54: ...ive is used in the Main Display when opening the Vice Display the result will still be shown in the Main Display The Vice Display will show the second selected function normally 3 If the Temperature function is used in the Main Display set the display mode Display All The result corresponding value will be shown in the Main Display and the current measurement value is shown in the Vice Display 4 A...

Page 55: ...d in diagram 2 36 Diagram 2 36 Utility Function Configuration Interface Table 2 13 Utility Function Menu Description Function Menu Description Store Recall Store or recall setting files Manage File Create a new file copy rename or delete a file I O Config Set up LAN and GPIB parameters Test Admin Provide board test and firmware update function System Setup Set up system information configuration ...

Page 56: ...les in the local storage as well as in the USB storage Operating Steps 1 After entering the Utility function menu press Store Recall to enter the interface as displayed in diagram 2 37 Diagram 2 37 Store and Recall Interface 2 Press Store Settings to enter the following interface Diagram 2 38 Store Settings Interface ...

Page 57: ...g interface Use the direction keys to choose a storage path and location and press Select to recall the corresponding file Diagram 2 39 Recall Function Interface 4 Press Power on to set the Power On state of the instrument You can choose Last or Factory Default as the initial state when the instrument is turned on The configuration is effective when you restart the Multimeter DC Voltage is always ...

Page 58: ...torage Operating Steps 1 After entering into the Utility function menu press Manage File to enter the interface as displayed in diagram 2 40 Diagram 2 40 Manage File Interface 2 Choose the file location Press Browse and use the direction keys to select the corresponding file 3 Press File Name to enter the following interface Diagram 2 41 Input File Name ...

Page 59: ... the current file and return to the higher level menu Press Cancel to cancel the current operation and return to the higher level menu 4 Press Action and select Folder Capture Display Copy Rename or Delete to perform the corresponding operation Table 2 15 Action Settings Function Menu Description Folder Press Create Folder to create a new folder Capture Display Press Save Screen to save the curren...

Page 60: ...timeter enables users to operate the instrument remotely by LAN interface and store or recall internet settings You can review the current LAN settings and set up the IP address and subnet mask After entering the Utility function menu press I O Config Select On LAN Settings Modify Settings to enter the following interface Diagram 2 43 LAN Settings Interface ...

Page 61: ...e default setting is 10 11 11 104 Subnet Mask Set up subnet mask and the default setting is 255 0 0 0 Gateway Set up gateway and the default setting is 192 168 0 1 Cancel Cancel current operation and return to the higher level menu Done Save all changes and return to the higher level menu ...

Page 62: ...en choose Test Admin Board Test to enter the following interface Diagram 2 45 Board Test Interface Table 2 17 Board Test Function Description Function Menu Description Key Test the instrument s keys LCD Test the instrument s LCD screen Beeper Test the instrument s beeper Chip Test the instrument s chips Done Return the higher level menu ...

Page 63: ...e keys on the front panel Test all keys and knobs and you should also verify that all the backlit buttons illuminate correctly Diagram 2 46 Key Test Interface NOTE Before you operate the shapes on the screen display in a blue colour The corresponding area of tested buttons or knobs would display in a green colour Press Done to exit the test ...

Page 64: ...erve if the screen has changed colour or displayed an error message as shown in diagram 2 47 Diagram 2 47 LCD Test Interface NOTE Press Change to change the colour of the screen There are three colours red blue and green Press Done to exit the test 4 Test the beeper Press Beeper to test the beeper Under regular circumstance press Beeper one time and the instrument will beep one time ...

Page 65: ... enter chip test interface as Diagram 2 48 shows Diagram 2 48 Chip Test Interface NOTE If the test has passed the corresponding result shows pass If the test has failed the corresponding result shows fail 6 Press Done to exit the board test ...

Page 66: ... Description Language Select the display interface language Firmware Update Update software version Screen Set up the screen protection function System Info View system information Done Return to the higher level menu 1 Select language The Multimeter supports two kinds of languages English and Chinese Press Language to enter the following interface Diagram 2 50 Choose Language ...

Page 67: ... Activate the screen saver program and the screen saver will be on if no action is taken within the time that you have selected Press any button to resume 3 View system information Press System Info to view system information including start up times software version hardware version production ID and serial number as shown in the diagram 2 51 Diagram 2 51 System Information ...

Page 68: ...press Update Yes to start updating the system software 4 On completion of the firmware update the screen will display the message Firmware Update Done You can now remove the USB flash drive 5 Restart the Multimeter and check the version information Press System Setup System Info to check if the software and hardware version after updating is in accordance with the desired version If not the updati...

Page 69: ...he interface shown as the following diagram Diagram 2 52 Acquire Interface Table 2 19 Function Menu of triggering parameter Function Menu Description Trg Src Set the source of the trigger Slope Set the polarity slope of the external trigger Delay Set the delay Samples Trigger Set the number of samples or trigger VMC Out Set the polarity output pulse signal when the sampling signal has finished ...

Page 70: ... keys are used to change the selected value 3 Set the number of samples or trigger Press Samples Trigger to set the sample count The Left and Right keys are used to switch the number of a numerical value The Up and Down keys are used to change the selected value Sample Count Sample Count indicates the count of point sampled while the Multimeter receives a signal from the Single Trigger The range o...

Page 71: ...le Trigger See diagram 2 53 Diagram 2 53 Setting interface of Auto Trigger 2 Set the delay Press Delay to select Auto or Manual mode 3 Set the number of samples or trigger Press Samples Trigger to set the sample count 4 Set the VMC Out The Multimeter outputs a pulse signal through the VM COMP interface on the rear panel after the sampling signal has finished Press VMC Out to choose a Positive or N...

Page 72: ...press on the front panel directly to enable the External Trigger 2 Set the polarity of slope Press Slope to choose a Positive or Negative polarity 3 Set the delay Press Delay to choose Auto or Manual mode 4 Set the number of samples or trigger Press Samples Trigger to set the sample count 5 Set the VMC Out In External Trigger mode the Multimeter could output a pulse signal through the VM COMP inte...

Page 73: ...with the help list Press and to enter the help list as diagram 2 55 shows Diagram 2 55 Help Menu Table 2 20 Help System Operating Menu Function Menu Description Up Move up the cursor and select the help menu Down Move down the cursor and select the help menu Select Select the help information you want to read Done Return to the higher menu 1 Basic Measure Get basic measurement types and methods to...

Page 74: ...files 7 Optional Multiple Scan Card Get help about operating optional multiple scan cards 8 The convention and Tips of Softkeys Get help about the convention and tips of softkeys 9 Technical Support Get the method to obtain technical support Explanation In the help menu interface you can move the cursor and select the corresponding menu by using the up and down direction keys and press OK to read ...

Page 75: ...dBm dB and Relative Choose different math functions to meet different measurement demands Press to show the operating menu of math functions on the screen as shown in the following diagrams Diagram 2 56 Math Function Menu of DC Voltage Diagram 2 57 Math Function Menu of AC Current ...

Page 76: ... lower limits dBm The dBm is based on a calculation of power delivered to a reference resistance 0dBm 1mW dB The dB measurement is the difference between the input signal and a stored relative value Rel Value Value Off Turn on the relative value function and set up the value Or turn off the function Explanations Math function can only be applicable to the main display If the measurement function h...

Page 77: ...s Show Hide Show or hide the statistics function interface Min Show the minimum statistics value of current measurement Average Show the average statistics value of current measurement Max Show the maximum statistics value of current measurement Span Show the span of current measurement Std dev Show the std dev statistics value of current measurement Samples Show the maximum statistics value of cu...

Page 78: ...ding is usually set to the maximum or minimum value When performing more readings the current displaying value is always the maximum minimum reading among all the measured values The maximum minimum average and reading quantities are stored in volatile memory ...

Page 79: ...on Low Set the desired lower limit Centre Set the desired centre value High Set the desired upper limit Status Show the status of the limit test Low Failures Show the times when the reading is lower than the limit High Failures Show the times when the reading is higher than the limit Span Set the desired span Beeper On Off When the beeper is on if the reading is lower or higher than limits the ins...

Page 80: ...han the set lower limit the colour of the main display will switch from blue to red When the reading is higher than the set higher limit the colour of the main display will switch from blue to red When the reading is lower or higher than the set limits the Beeper will beep once The beeper is turned on The range of Limits function The upper limit value should always be bigger than the lower limit v...

Page 81: ...dB Measurement Function Menu Function Description Function Menu Settings Description dB dBm On Off Turn on or turn off dB or dBm function Function dBm Open the dBm function and the lower right corner of the main display will display dBm Ref R Set the parameter via direction keys 50Ω 8000Ω Done Save all changes and return to the higher level menu The computation method of the dBm When the dBm funct...

Page 82: ...gram 2 61 dB Function Interface Table 2 25 dB Measurement Function Menu Function Description Function Menu Settings Description dB dBm On Off Turn on or turn off the dB or dBm function Function dB Open the dB function and the lower right corner of the main display will show dB Ref R Set the parameter via the direction keys 50Ω 8000Ω dB Ref Value Set the referred value of dB Measure Ref Value Set t...

Page 83: ... resistance value measurement of the actual electric circuit Range of the dB Ref value 200 dBm 200 dBm The default is 0 dBm dB Ref value Input a value in the dB setting interface by via the direction button and then store it as a dB setting value Settings of dB value are stored in volatile memory ...

Page 84: ...Resistance Frequency Period Capacitance and Temperature Press Rel Value to enter the interface shown in diagram 2 62 Diagram 2 62 Relative Operation Table 2 26 Rel Value Operation Function Menu Function Menu Description Value Select current measurement value as the pre set value Off Turn off the relative operation function When the dBm function is turned on the result of the relative measurement w...

Page 85: ...w measured data Number Bar Meter Trend Chart and Histogram Number Press and to open the menu in display mode and press Display to enter the following interface Number is always the selected mode when the Multimeter is turned on Diagram 2 63 Number Display Mode ...

Page 86: ...t or Manual mode or Limits limit function is on Table 2 27 To Set the Vertical Scale of Bar Meter manually Function Menu Description Low Set the low value of the horizontal scale High Set the high value of the horizontal scale Centre Set the centre value of the horizontal scale Span Set the span of the horizontal scale Done Save all changes and return to the higher level menu ...

Page 87: ...rend Chart Display Mode Function Menu Description Display Trend The current selected display mode is Trend Chart Recent All Displays the recent or all readings Horizontal Scale Choose the mode of the Horizontal Scale Autoscale Once Automatically set the horizontal scale once Clear Readings Clear all current readings and restart statistics ...

Page 88: ...uto or Manual or Limits Limit function is on mode 3 Press Auto and the Multimeter will set the vertical scale automatically Diagram 2 66 Auto Vertical Scale 4 Press Manual to set the vertical scale manually as displayed in diagram 2 67 Diagram 2 67 Manual Vertical Scale ...

Page 89: ...e 2 29 Histogram Display Mode Function Menu Settings Description Display Histogram The current selected display mode is Histogram Binning Set Binning as Auto or Manual mode Bin Set Set the Bin parameters Cumulative On Off Turn on or off the Cumulative function Clear Readings Clear all current readings and restart statistics ...

Page 90: ...tion Menu Settings Description Num Bins Set the number of Bins 10 20 40 100 200 or 400 Low Set the low value of the horizontal scale High Set the high value of the horizontal scale Centre Set the centre value of the horizontal scale Span Set the span of the horizontal scale Outer Bins On Off Show the bins beyond the scope or not Done Save all changes and return to the higher level menu ...

Page 91: ...adings automatically The black field on the screen will display the Auto Trigger Press again and the trigger is stopped Single Trigger Press on the front panel and the Single Trigger will be started one time and generate an effective reading The black field of the screen will display the Single Trigger Explanation In Remote Mode the black field just above the screen will display the Immediate Trig...

Page 92: ... history data Press and to open the Hold measurement function interface The black field just above the screen will display the Probe Hold as shown in diagram 2 70 Diagram 2 70 Hold Measurement Function Interface Table 2 31 Hold Measurement Function Function Menu Settings Description Probe Hold On Off Turn on or off the Probe Hold function Beeper On Off Turn on or off the Beeper Clear List Clear al...

Page 93: ...pplication examples to help users control and manipulate T3DMM4 5 quickly Example 1 Reading Statistic Functions Example 2 To Eliminate Leads Impedance Example 3 dBm Measurement Example 4 dB Measurement Example 5 Limits Test Example 6 To Use Hold Measurement Function ...

Page 94: ...oltage measurement function and select a voltage range 2 Connect the red lead to the terminal Input HI and the black lead to terminal Input LO as shown in Diagram 2 9 on page 27 3 Set the Statistics function parameters 4 Press Statistics to turn on the statistics function 5 Plug test leads into the circuit and start to measure Statistics will update with the acquisition of samples as the following...

Page 95: ...nel to select the 2 Wire Resistance measurement function 2 Connect the red lead to the terminal Input HI and the black lead to terminal Input LO as displayed in diagram 2 14 on page 31 3 Choose a resistance range according to the scope The default is Auto Range 4 Lead impedance will be shown on the screen after connecting with two leads together Diagram 3 3 Test Lead Impedance ...

Page 96: ... Press Rel Value to set the relative value as current measured value Diagram 3 4 Set Relative Value 6 Press Rel on the softkey menu to open the Relative operation Diagram 3 5 Lead Impedance after Operation The Relative Operation has been turned on ...

Page 97: ... measurement function and choose a voltage range 2 Connect the red lead to the terminal Input HI and the black lead to the terminal Input LO as Diagram 2 9 on page 27 3 Set the dBm parameters 4 Press Statistics to turn on the statistics function Set the selective value of the dBm as a reference value within the circuit by using the direction key 50Ω Diagram 3 6 Select Reference Resistance as Measu...

Page 98: ...rding to Example 3 and then dB can be measured dB dBm1 dBm2 Method 2 1 Press on the front panel to select the AC Voltage measurement function and choose a proper voltage range 2 Connect the red lead to the terminal Input HI and the black lead to the terminal Input LO as Diagram 2 9 on page 27 3 Measure dBm1 according to Example 3 4 Press dB dBm to turn on the dB function and set the parameters for...

Page 99: ...to Example 3 2 Press dB dBm to turn on the dB function and select Measure Ref Value to set the current dBm measurement value as the preferred value 3 Access the first circuit At this time the reading shown on the screen is the power difference between two circuits ...

Page 100: ...eps 1 Press on the front panel to select the AC Voltage measurement function and choose a voltage range 2 Connect the red lead to the terminal Input HI and the black lead to the terminal Input LO as shown in Diagram 2 9 on page 27 3 Press Limits to set the Limits parameters Press Low to set the low limit value Diagram 3 8 Set the Low Limit Value 4 Press High to set the high limit value Diagram 3 9...

Page 101: ...so the test status is True 6 If changing the high limit value to 1V the measured result for the low and high limits will display The instrument will beep once if the beeper is turned on and the main display will change to a red colour The test status of fail and the high failures value will display Diagram 3 10 Limits Test Result ...

Page 102: ...ng Steps 1 Press on the front panel to select the DC Voltage measurement function and choose a voltage range 2 Connect the red lead to the terminal Input HI and the black lead to the terminal Input LO as Diagram 2 4 on page 23 3 Press and to open the Hold measurement function interface The screen will record the DC voltage measured result as shown in the following diagram Diagram 3 11 Result 1 4 P...

Page 103: ... the red lead to the terminal Input HI and black lead to the terminal Input LO as Diagram 2 9 on page 27 The screen will record the AC voltage measured result as shown in the following diagram Diagram 3 12 Result 2 ...

Page 104: ...ves and square waves the AC and AC DC values are equal since these waveforms do not contain a DC offset See the following table 4 1 Table 4 1 True RMS AC Measurement of Sine Triangle and Square waves Non symmetrical waveforms such as pulse trains contain DC voltages which are rejected by AC coupled true RMS measurements An AC coupled true RMS measurement is desirable in situations where you are me...

Page 105: ... do not apply for input signals below 100Hz You can estimate the measurement error due to signal crest factor as shown below Total Error Error Sine wave Error Crest factor Error Bandwidth Error Sine wave error for sine wave Error Crest factor crest factor additional error Error Bandwidth estimated bandwidth error as shown below Bandwidth error 100 reading C F signal crest factor F fundamental freq...

Page 106: ... capacitance and loading The approximate input resistances of the Multimeter at different frequencies are listed in the following table Table 4 2 Approximate Input Resistances at Different Frequencies Input Frequency Input Resistance 100Hz 1MΩ 1kHz 850kΩ 10kHz 160kΩ 100kHz 16kΩ For low frequencies Error 100 For high frequencies Error 1 100 F input frequency Rs source resistance Cm input capacitanc...

Page 107: ...ch on the back panel has been turned on 3 Check if the power fuse has blown Replace it as desired if it has blown 4 Restart the Multimeter after all the above steps are complete 5 If the instrument still cannot start up properly please contact Teledyne Test Tools The reading does not change when connecting an AC current signal 1 Check if the test lead has been connected to the current jack or LO j...

Page 108: ...is DCI but the measuring location is in ACI place USB Disks cannot be recognised by the instrument 1 Check if the USB disk works properly 2 Make sure the used USB disk is of a Flash type The instrument does not support USB disks of a hard disk type 3 Check if the capacity of the used USB disk is too large The Multimeter is recommended not to use USB disks which exceed 8GB 4 After restarting the in...

Page 109: ...ry Two test leads black and red An USB Cable One backup fuse A Quick Start A CD ROM NOTE We suggest that the length of the USB data wire and LAN cable connected to the instrument should be less than 3m to avoid affecting the product performance All the accessories are available by contacting your local Teledyne Test Tools office ...

Page 110: ...e repair or replacement as described in the complete warranty statement To arrange for service or obtain a copy of the complete warranty statement please contact your nearest Teledyne Test Tools sales and service office Except as provided in this summary or the applicable warranty statement Teledyne Test Tools makes no warranty of any kind express or implied including without limitation the implie...

Page 111: ...h of the instrument and probe with a soft rag Be careful not to scratch the transparent plastic protective screen when cleaning the liquid crystal screen Use a soft rag that has been soaked in water to clean the instrument after cutting off the power Or use a 75 isopropyl alcohol and water solvent to get a more thorough clean NOTE To prevent the surface of the instrument or probe from damages plea...

Page 112: ...y com Phone Support 1 800 553 2769 Teledyne LeCroy European Headquarters Teledyne LeCroy GmbH Im Breitspiel 11c D 69126 Heidelberg Germany Phone 49 6221 82700 Fax 49 6221 834655 Fax Sales 49 6221 834655 Fax Service 41 22 719 22 99 Email Sales contact gmbh teledynelecroy com Email Service service gmbh teledynelecroy com Email Support applications de teledynelecroy com Web Site http teledynelecroy c...

Page 113: ...ct portfolio with a comprehensive range of test equipment solutions This new range of products delivers a broad range of quality test solutions that enable engineers to rapidly validate product and design and reduce time to market Designers engineers and educators rely on Teledyne Test Tools solutions to meet their most challenging needs for testing education and electronics validation Location an...

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