Shenzhen Kejie Instrument Co., Ltd. KJ2815B Operation Manual Download | Manualshive

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20

Figure 7

Continuity Test

（

see Figure 8

）

Warning

To avoid damages to the Meter or to the devices under
test, disconnect circuit power and discharge all the
high-voltage capacitors before doing continuity test in
circuit.
To do continuity test, connect the Meter as follows:

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Summary of Contents for KJ2815B

Page 1: ...KJ2815B KJ2817B Digital Multimeter Operation Manual...

Page 2: ...ble hand held measuring instrument The Meter uses large scale of integrated circuit with high performance A D converter as its core and has full range overload protection The Meter can measure AC DC V...

Page 3: ...es with the standards IEC 61010 1 in pollution degree 2 overvoltage category CAT II 1000V CAT III 600V and double insulation CAT II Local level appliance PORTABLE EQUIPMENT etc with smaller transient...

Page 4: ...imum measurement position and reduce the range step by step until a satisfactory reading is obtained z When measurement has been completed disconnect the connection between the test leads and the circ...

Page 5: ...soon as the low battery indicator appears With a low battery the Meter might produce false readings that can lead to electric shock and personal injury z When servicing the Meter use only the same mo...

Page 6: ...l electrical symbols Double Insulated Grounding Low battery indicator Diode DC Direct Current AC or DC Continuity Test AC Alternating Current Warning Refer to the Operating Manual Conforms to Standard...

Page 7: ...on display until it be pressed again As Backlight Control press and hold this button for over 2 seconds to light on the backlight until press and hold it for over 2 seconds again to turn off or it wi...

Page 8: ...lue then display 0 0V To enter or exit REL mode Use rotary switch to select the measurement function before selecting REL If measurement functions change manually after REL is selected the Meter exits...

Page 9: ...turn to AC voltage or AC current measuring mode Then the pressing actions will repeat above turns At AC voltage or AC current measuring mode press Hz the autoranging turn off and the Meter stay in the...

Page 10: ...he Meter enters the manual range mode Each presses of RANGE increments the range When the highest range is reached the Meter wraps to the lowest range To exit the manual range mode press and hold RANG...

Page 11: ...ltage measurement Resistance measurement Continuity test Diode test CAP Capacitance measurement A mA A DC AC current measurement Temperature measurement LCD Symbols see Figure 2 Figure 2 No Symbol Des...

Page 12: ...Hz KHz MHz Frequency unit 13 Duty cycle measurement 14 K M Resistance unit nF F Capacitance unit mV V Voltage unit 15 mA A A Current unit Measurement Operation DC Voltage Measurement see Figure 3 To...

Page 13: ...es higher than DC 1000V or AC 750Vrms although readings may be obtained b When the Meter working at an effective voltage over 60V in DC or 30V rms in AC special care should be taken for there is dange...

Page 14: ...value of sine wave mean value response Warning a To avoid harms to you or damages to the Meter from eletric shock do not attempt to measure voltages higher than DC 1000V or AC 750Vrms although reading...

Page 15: ...ition Connect the RED test lead into AmA or 10A input terminal and BLACK test lead into COM input terminal Press Yellow button function select to select DCA or ACA measuring mode Connect the test lead...

Page 16: ...250V d When the measured current is more than 10A the continuous measurement time is 10 seconds maximum and interval time between 2 measurements greater than 15 minutes e Remember to cut off the power...

Page 17: ...ect circuit power and discharge all the high voltage capacitors before measuring resistance To measure resistance connect the Meter as follows Set the rotary switch to range Connect the RED test lead...

Page 18: ...the test leads at this case as a tip you can short the test leads firstly and record down the resistance then subtract it from the measuring value to obtain the more accurate result If the short resi...

Page 19: ...e Meter or to the devices under test disconnect circuit power and discharge all the high voltage capacitors before testing the diode in circuit To do diode test connect the Meter as follows Set the ro...

Page 20: ...apply any voltage to the input when the Meter is working in diode test mode b If diode is open or connected by reverse the display will show OL c In a circuit a good diode should still produce a forw...

Page 21: ...ure 8 Warning To avoid damages to the Meter or to the devices under test disconnect circuit power and discharge all the high voltage capacitors before doing continuity test in circuit To do continuity...

Page 22: ...ad the value from the display The buzzer sounds if the resistance of a circuit under test is less than or equal to 70 Warning a Do not apply any voltage to the input when the Meter is working in conto...

Page 23: ...nnect the test leads across with the capacitor being measureded KJ2815B has no REL function the test lead capacitance may be measured by opening the leads and recording it down then subtracting it fro...

Page 24: ...ke approx 15 seconds to obtain the steady reading d When measuring the low capacitance it should be performed using extremely short leads in order to avoid introducing any stray capacitance e When the...

Page 25: ...r return to AC voltage or AC current measuring mode Then the pressing actions will repeat above turns At AC voltage or AC current measuring mode press Hz the autoranging turn off and the Meter stay in...

Page 26: ...he RED lead and BLACK lead of temperature probe k type into V CAP C and COM input terminal respectively Put the sensor end of the temperature probe into the area want to measured Read the value from d...

Page 27: ...g it sleep You can press any button or move the rotary switch to wake it up Auto power off function will be cancelled by pressing and holding SELECT yellow button or HOLD button to turn on Specificati...

Page 28: ...x 300g include battery Accurate Specifications Accuracy a reading b digits guarantee for 1 year Operating temperature 23 5 Relative humidity 75 R H Temperature coefficient 0 1x specified accuracy 1 DC...

Page 29: ...ective value of sine wave mean value response DC Current Range Resolution Accuracy 400 A 0 1 A 4000 A 1 A 1 5 3 40mA 0 01 mA 400mA 0 1mA 1 5 3 4A 0 001A 1 5 5 10A 0 01A 1 5 5 Overload protection A mA...

Page 30: ...esponse 50Hz 400Hz A mA range Self healing fuse 10A range F 10A 250V Display effective value of sine wave mean value response Warning When the measured current is more than 10A the continuous measurem...

Page 31: ...nge Resolution Accuracy 50nF 10pF REL 3 10 500nF 100pF 5 F 1 nF 50 F 10 nF 3 5 100 F 100 nF 4 5 Overload protection 250Vp Frequency Duty cycle KJ2817B only Range Resolution Accuracy 10Hz 20kHz 0 001Hz...

Page 32: ...ty test Range Resolution Overload Protection Remark 1mV 250Vp Open voltage 1 48V approx The normal forward voltage of PN junction is 0 5V 0 8V approx 400 0 0 1 250Vp Open voltage 0 45V approx buzzer s...

Page 33: ...to replace the fuse If it shows no input as a trouble you d to check if the input is too great and out of the range if that you can try again after some time Replacing installing the Battery Warning...

Page 34: ...wn Remove the three screws one the bottom case and remove it Remove the old battery Replace the battery with 1pcs of new 9V battery 6F22 or equivalent Reinstall the bottom case End This operating manu...

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