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760E

OPERATION

MANUAL

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Summary of Contents for HP-760E

Page 1: ...760E OPERATION MANUAL ...

Page 2: ...rument may be impaired The finger or any part of your body shall not be beyond the barrier of the test probe when measuring Individual protective equipment must be used if HAZARDOUS LIVE parts in the installation where measurement is to be carried out could be ACCESSIBLE The following safety information must be observed to insure maximum personal safety during the operation at this meter Do not op...

Page 3: ...o 40 C Maximum relative humidity 80 for temperatures up to 31 C decreasing linearly to 50 relative humidity at 40 C 1 9 In locations subject to radio frequency interference the product may malfunction and it resets automatically when leaving this environment Meter Description Terminals Refer to table 1 for terminal function Terminal Function COM Common terminal for all measurement V Ω HzT Volts Oh...

Page 4: ...mpere current mA DC AC milliampere current μA DC AC microampere current 600A DC AC Ampere current hFE Transistor hFE test Hz Duty cycle Frequency mV DC AC millivolts V DC AC voltage Capacitance Ω Resistance Diode continuity Temperature OFF Power off Table 2 Rotary switch functions ...

Page 5: ...4 Figure2 Rotary switch Push button Figure3 Push button 1 SELECT Press this button to select your measurement mode 2 RANGE ...

Page 6: ...ayed on the LCD The data hold function allows the operator to hold a displayed value on the LCD while the analog bar graph continues to display the updated value In the auto hold mode the meter can display a new value when a new and stable value is on the input and the Beeper will sound Pressing this button for more than 1 seconds the meter exits the HOLD mode and returns to the normal state Press...

Page 7: ...alue for a measurement Pressing the REL button for more than 2 seconds returns the meter to normal state Pressing the button turns the backlight on look the Selector Knob more clearly pressing it again turns it off 6 Hz Duty pressing the button display the Duty Cycle pressing it again display Frepuency 2 SPECIFICATIONS 2 1 GENERAL SPECIFICATIONS Display LCD with a max reading of 6000 Analogue bar ...

Page 8: ...ystem press and hold SELECT key to disable auto power off Mechanical blocking system for terminal sockets to prevent mistake operation Bar graph display Safety standards EMC LVD CAT Ⅲ 1000V The meter is up to the standards of IEC1010 Double Insulation Pollution Degree 2 Overvoltage Category Ⅲ Operating environment Temperature 32 to104 F 0 C to 40 C Humidity 80 RH Storage environment Temperature 4 ...

Page 9: ...8 Express function New style patent of function direction light easy use in dark place ...

Page 10: ...6V 1mV 60V 10mV 600V 100mV 1000V 0 8 of rdg 10 digits 1V Overload protection 1000V DC or 750V AC rms Impedance 10MΩ 2 2 2 AC Voltage Range Accuracy Resolution 60mV 2 0 of rdg 10 digits 0 01mV 600mV 0 1mV 6V 1 5 of rdg 10 digits 1mV 60V 10mV 600V 100mV 750V 2 0 of rdg 10 digits 1V Average sensing calibrated to rms of sine wave Frequency 40 400Hz Overload protection 1000V DC or 750V AC rms Impedance...

Page 11: ...digits 3 5 of rdg 10 digits 4 5 of rdg 10 digits 50mV 600mV 0 1mV 1 2 of rdg 10 digits 1 5 of rdg 10 digits 2 of rdg 10 digits 3 5 of rdg 10 digits 4 5 of rdg 10 digits 500mV 6V 1mV 50Hz 1KHz 1 5 of rdg 10 digits 1V 60V 10mV 50Hz 400Hz 1 2 of rdg 10 digits 1V 600V 100mV 1V 750V 1V 1V Average sensing calibrated to rms of sine wave Overload protection 1000V DC or 750V AC rms Impedance 10MΩ ...

Page 12: ...amp Adapter Overload protection 0 8A 250V or 0 75A 250V 20A 250V fuse 2 2 5 AC Current Range Accuracy Resolution 600μA 2 0 of rdg 10 digits 0 1μA 6000μA 1μA 60mA 10μA 600mA 100μA 6A 2 5 of rdg 10 digits 1mA 20A 10mA 600A 3 5 of rdg 10 digits 100mA 20A up to 10 seconds 600A range with AC DC Current Clamp Adapter Average sensing calibrated to rms of sine wave Frequency 40 400Hz Overload protection 0...

Page 13: ...µF 1nF 40µF 5 0 of rdg 10 digits 10nF 400µF 20 0 of rdg 20 digits 100nF 4000µF 1µF It can not display bar graph on capacitance range Overload protection 250V DC or AC rms 2 2 8 Diode and Audible continuity test Range Description Test condition Display read Approximately forward voltage of diode Forward DC current approx 0 4mA Reversed DC voltage approx 2 8V Built in buzzer sounds if resistance is ...

Page 14: ...st It can not display bar graph on frequency range Overload protection 250V DC or AC rms 2 2 10 Duty cycle 0 1 99 9 2 0 2 Frequency lower than 10kHz Sensitivity sine wave 0 6V rms It can not display bar graph on duty cycle range Overload protection 250V DC or AC rms 2 2 11 Temperature Range Accuracy Resolution 20 150 4 302 3 2 1 1 150 300 302 572 3 of rdg 2digits 300 1000 572 1800 3 5 of rdg 10dig...

Page 15: ...om the LCD panel 3 2 DC and AC Current Measurement 1 Set the selector switch to desired μA mA or 20A position 2 Connect the black test lead to COM socket For measurement up to 600mA connect the red test lead to the µAmA socket for measurement from 600mA to 10A connect the red test lead to the 20A socket 3 Press SELECT key to choose DC or AC measurement 4 Remove power from the circuit under test an...

Page 16: ...ow positive to negative 3 4 Resistance Measurement 1 Set the selector switch to desired position 2 Connect the black test lead to COM socket and red test lead to the VΩHz socket 3 Press SELECT key to choose Resistance measurement 4 Connect tip of the test leads to the points where the value of the resistance is needed 5 Read the result from the LCD panel Note When take resistance value from a circ...

Page 17: ...Diode or Audible continuity measurement 4 Connect the test leads across the diode under measurement display shows the approx forward voltage of this diode 5 Connect the test leads to two point of circuit if the resistance is lower than approx 100Ω the buzzer sounds Note Make sure the power is cut off and all capacitors need to be discharged under this measurement 3 7 Frequency and Duty cycle measu...

Page 18: ...ets are labeled E B and C for emitter base and collector 4 Read the transistor hFE dc gain directly from the display 3 10 Data Hold On any range press the HOLD key to lock display value and the HOLD sign will appear on the display press it again to exit 3 11 MAX MIN Hold Press the MIN MAX key to lock MAX or MIN value and the MAX or MIN sign will appear on the display press it over 2 seconds to exi...

Page 19: ... manual range mode if OL sign appears on the display immediately set range to a higher 3 14 Back Light On any range press the BACK LIGHT key to light the back light press it again to wink the light 3 15 Range Light On any range press the RAN LIGHT key to light the range light press it again to wink the light 4 Battery replacement 1 When the battery voltage drop below proper operation range the sym...

Page 20: ...bottom case and fasten the screws 6 MAINTENANCE 1 Before open the battery cover or bottom case disconnect both test lead and never uses the meter before the battery cover or bottom case is closed 2 To avoid contamination or static damage do not touch the circuit board without proper static protection 3 If the meter is not going to be used for a long time take out the battery and do not store the m...

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