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TekPower TP40, User Manual

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TekPower TP40 User Manual Download Page 23

On  60M

  range,  the  meter  may  take  a  few  seconds  to 

stabilize  reading.  This  is  normal  for  high  resistance 

measuring. 

When  the  input  is  not  connected,  i.e.  at  open  circuit,  the 

figure "OL" will be displayed for the overrange condition. 

A

mA

uA

C

。

Hz

mV

V

V

OFF

F

。

COM

A

V

Hz

mA

uA

COM

Hz

COM

A

V

Hz

mA

uA

 

Figure 3-2 Measuring Resistance

 

 

Summary of Contents for TP40

Page 1: ...During use 4 1 2 Symbols 6 1 3 Instructions 7 2 DESCRIPTION 8 2 1 Instrument Familiarization 8 2 2 LCD Display 10 2 3 Key pad 11 3 FUNCTION DESCRIPTION 13 3 1 General Functions 13 3 1 1 DATA HOLD mode...

Page 2: ...measurement 21 3 2 4 Continuity Check 23 3 2 5 Diode Test 26 3 2 6 Frequency measurement 29 3 2 7 Temperature measurement 30 3 2 8 Current measurement 31 3 2 9 NCVhEF 33 3 2 10 PC Link 34 4 TECHNICAL...

Page 3: ...E PAGE 4 2 5 Continuity Check 39 4 2 6 Capacitance 40 4 2 7 Temperature 40 4 2 8 Current 40 5 MAINTENANCE 41 5 1 General maintenance 42 5 2 Fuse replacement 42 5 3 Battery replacement 43 6 ACCESSORIES...

Page 4: ...1 Preliminary As the possibilities of high transient overvoltages occurred in today s power systems increase more stringent safety standards are set for the electrical test equipment Transients on el...

Page 5: ...ected loads Appliance portable tools and other household and similar loads Outlet and long branch circuits Outlets at more than 10 meters 30 feet from CAT III source Outlets at more that 20 meters 60...

Page 6: ...r conductors Refers to the origin of installation i e where low voltage connection is made to utility power Electricity meters primary overcurrent protection equipment Outside and service entrance ser...

Page 7: ...ided by the meter may be impaired Use extreme caution when working around bare conductors or bus bars Do not operate the meter around explosive gas vapor or dust Verify a Meter s operation by measurin...

Page 8: ...nect the test leads from the circuit under test For all dc functions including manual or auto ranging to avoid the risk of shock due to possible improper reading verify the presence of any ac voltages...

Page 9: ...roduce false readings that can lead to electric shock and personal injury Do not measure voltages above 1000V in Category III or 600V in Category installations When in REL mode the REL symbol is displ...

Page 10: ...al components Any adjustment maintenance or repair work carried out on the meter while it is live should be carried out only by appropriately qualified personnel after having taken into account the in...

Page 11: ...ture or high humidity environment 2 DESCRIPTION 2 1 Instrument Familiarization The front panel is shown as in Figure 2 1 explanation being as follows LCD display Used for displaying the measuring resu...

Page 12: ...ving the red test lead for 6A 10A measurements COM Terminal receiving the black test lead as a common reference A mA uA C Hz mV V V OFF F COM A V Hz CAT III 1000V CAT IV 600V 600mA MAX mA uA FUSED 10A...

Page 13: ...8 15 13 14 Figure 2 2 LCD screen is shown as in Figure 2 2 with its every symbol s meaning shown as in the Table 1 No Symbol Meaning 1 Indicates negative readings 2 Indicator for AC voltage or curren...

Page 14: ...AC Voltage detect 7 H The meter is in Data Hold mode 8 REL The meter is in Relative Measurement mode 9 MAX Display maximum data 10 MIN Display minimum data 11 Low battery indication 12 The meter is in...

Page 15: ...nd exit the Data Hold mode Press it and hold 2 seconds backlight on if press it and hold for 2 seconds again backlight off 2 3 3 RANGE At V V A mA and A 1 Press RANGE to enter the manual ranging mode...

Page 16: ...ess it again the LCD will display the Minimum Value 4 Press and hold it for two seconds the meter will return to normal measurement state Except Hz Duty and Capacitance 3 FUNCTION DESCRIPTION 3 1 Gene...

Page 17: ...de autorange and lock the meter in a specific range The Meter defaults to the autorange mode in measurement functions that have more than one range When the Meter is in the autorange mode AUTO is disp...

Page 18: ...e measurement in all functions except frequency To enter and exit the relative measurement mode 1 With the Meter in the desired function touch the test leads to the circuit on which you want future me...

Page 19: ...rms between the common terminal and the earth ground The Meter s voltage ranges are 600 0mV 6 000V 60 00V 600 0V and 1000V To measure ac or dc voltage set up and connect the Meter as shown in Figure 3...

Page 20: ...ac voltage measure the ac voltage first Note the ac voltage range then manually select a dc voltage range equal to or higher than the ac range This improves the accuracy of the dc measurement by ensur...

Page 21: ...A mA uA C Hz mV V V OFF F COM A V Hz mA uA COM Hz V DC Voltage Figure3 1 Measuring AC and DC Voltage...

Page 22: ...ed and read the displayed value Some tips for measuring resistance The measured value of a resistor in a circuit is often different from the resistor s rated value This is because the Meter s test cur...

Page 23: ...ading This is normal for high resistance measuring When the input is not connected i e at open circuit the figure OL will be displayed for the overrange condition A mA uA C Hz mV V V OFF F COM A V Hz...

Page 24: ...5 1 Set the rotary switch to range 2 Press the SELECT key to select capacitance Test 3 Connect the black and red test leads to the COM and terminals respectively or you can use capacitor test lead 4...

Page 25: ...A mA uA C Hz mV V V OFF F COM A V Hz mA uA COM Hz COM A V Hz mA uA Figure 3 3 Measuring Capacitance...

Page 26: ...continuity set up the Meter as shown in Figure 3 4 1 Set the rotary switch to range 2 Connect the black and red test leads to the COM and terminals respectively 3 Connect the test leads to the resist...

Page 27: ...A mA uA C Hz mV V V OFF F COM A V Hz mA uA...

Page 28: ...A mA uA C Hz mV V V OFF F COM A V Hz mA uA Figure 3 4 Checking the Continuity...

Page 29: ...est 3 Connect the black and red test leads to the COM and V terminals respectively 4 For forward bias readings on any semiconductor component place the red test lead on the component s anode and place...

Page 30: ...A mA uA C Hz mV V V OFF F COM A V Hz mA uA...

Page 31: ...A mA uA C Hz mV V V OFF F COM A V Hz mA uA Figure 3 5 Measuring Capacitance...

Page 32: ...play 3 To make a duty cycle measurement press the Hz key again 4 Read the percent of duty cycle on the display 5 Set the rotary switch to the Hz range 6 Insert the black and red test leads into the CO...

Page 33: ...60v dc or 24v rms Ac To avoid damage or burns Do not make temperature measurement in microwave ovens To measure temperature 1 Set the rotary switch to range and the LCD will show the current environm...

Page 34: ...are 600 0 A 6000 A 60 00mA 600 0mA 6 000A and 10 00A To measure current set up the Meter as shown in Figure 3 6 1 Turn off power to the circuit Discharge all high voltage capacitors 2 Set the rotary...

Page 35: ...measurement units at the right side of the display A mA or A When only the figure OL displayed it indicates overrange situation and the higher range has to be selected 7 Turn off power to the circuit...

Page 36: ...uring Current 3 2 9 NCV Non Contact Voltage detect Set rotary switch to the ACV range Press the SELECT key to go NCV detect mode Put the EF DETECT AREA close to the AC power cable or the power socket...

Page 37: ...ss REL more than 2 seconds and the meter enter PC Link mode the symbol PC LINK will appear on LCD and the serial data output function is active Auto power off function is disable when PCLINK function...

Page 38: ...d ports If no errors occur the USB to Serial COM Port COM x will appear COM x is just the proper port here x is a specific number 5 Now the PC LINK SOFT view the synchronic data or graph in the softwa...

Page 39: ...ic and manual Over Range indication LCD will display OL Low battery indication The is displayed when the battery is under the proper operation range Polarity indication displayed automatically Power s...

Page 40: ...CV Range Resolution Accuracy 600mV 0 1mV 1 0 of rdg 5 digits 6V 1mV 60V 10mV 600V 100mV 750V 1V 1 5 of rdg 5 digits Above accuracies can be guaranteed within 5 100 of the full range The RMS meter has...

Page 41: ...10M 4 2 2 Frequency Logic frequency 1Hz 1MHz Range Resolution Accuracy 99 99Hz 0 01 Hz 0 1 of rdg 3digits 999 9Hz 0 1 Hz 9 999kHz 0 001kHz 99 99kHz 0 01kHz 999 9kHz 0 1kHz Linear frequency 6HZ 10KHZ R...

Page 42: ...0 0k 100 6 000M 1k 60 00M 10k 1 5 of rdg 5 digits 4 2 4 Diode Test Range Resolution Test Condition 1 V 0 001V Forward DC current approximately 1mA Reversed DC voltage approximately 1 5V 4 2 5 Continui...

Page 43: ...1 F 5 0 of rdg 20 digits 4 2 7 Temperature Range Resolution Accuracy 200 0 1 5 0 of rdg 4 0 400 2 0 of rdg 3 400 1200 2 0 of rdg 2 Note The specifications of temperature don t include thermocouple err...

Page 44: ...the accuracy of measurement 1 Frequency Range for ACA 40Hz 400Hz 2 Overload protection F 10A 1000V fuse for 10A Overload protection F 0 63A 1000V fuse for A and mA ranges 3 Maximum input current 600m...

Page 45: ...moisture in the terminals can affect readings To clean the terminals Turn the meter off and remove all test leads Shake out any dirt that may be in the terminals Soak a new swab with a cleaning and o...

Page 46: ...10 3 38 7 Rejoin the rear cover and tighten the screws 5 3 Battery replacement To avoid false readings which could lead to possible electric shock or personal injury replace the battery as soon as the...

Page 47: ...ce with one new 9V battery 6F22 7 Rejoin the battery cover and tighten the screws 6 ACCESSORIES Delivered with the multimeter User s manual One piece Test leads One piece K type Thermocouple One piece...

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