KYORITSU 3321A Instruction Manual Download Page 1

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Instruction manual

KEW MEG

series

MODEL3321A, 3322A, 3323A

Compact Insulation resistance tester with 3-range

KYORITSU ELECTRICAL INSTRUMENTS

WORKS,LTD.

Summary of Contents for 3321A

Page 1: ...Instruction manual KEW MEG series MODEL3321A 3322A 3323A Compact Insulation resistance tester with 3 range KYORITSU ELECTRICAL INSTRUMENTS WORKS LTD...

Page 2: ...measurement 10 Mains disconnection check 6 2 Insulation resistance measurement 12 6 3 Continuous measurement 14 6 4 Output voltage characteristics 14 6 5 Using guard terminal only for MODEL3321A 16 6...

Page 3: ...whenever necessary The instrument is to be used only in its intended applications Understand and follow all the safety instructions contained in the manual It is essential that the above instructions...

Page 4: ...bstitute parts or make any modification to the instrument Return the instrument to your local KYORITSU distributor for repair or re calibration in case of suspected faulty operation Never touch the ci...

Page 5: ...matically discharged after measuring Discharge can be checked with the meter Color coded scales for easy and correct reading Power on indicator on insulation resistance and battery check ranges Backli...

Page 6: ...y effective measuring ranges Accuracy at 0 and Accuracy at no load voltage Nominal current Short circuit current 250V 50M 1M 0 05 20M within 5 of indicated value Measuring ranges other than above 0 an...

Page 7: ...ging the Battery voltage 3 Variation due to changing the position Nominal operating conditions Ambient temperature 0 40 Relative humidity 90 or less External magnetic field 400A m or less Position Hor...

Page 8: ...inals It may take time when measuring a capacitive load Insulation resistance at least 100M DC1000V between the electrical circuit and the enclosure Withstand voltage AC5 550V 50 60Hz for 1 min betwee...

Page 9: ...control switch 1 set MODEL7081 Guard cord Only for MODEL3321A 1 pce MODEL7101 Flat test bar 1 pce MODEL7131 Safety alligator clip 1 pce MODEL8017 Extension prod 1 pce Neck strap 1 pce Cord case 1 pce...

Page 10: ...et Backlight switch Range switch Test lead with remote control switch MODEL7103 Remote control switch Line probe Earth cord Standard prod MODEL8072 Probe connector Flat test bar MODEL7101 Safety allig...

Page 11: ...e pointer lines up with the mark tilting the instrument to the necessary angle 5 2 Test lead connection Insert the Probe connector into the Probe socket on the instrument correctly as shown below Prob...

Page 12: ...when the Test button or Remote control switch is pressed the power on indication LED red lights up indicating the instrument is in the operation mode Batteries have exhausted Replace the batteries Pr...

Page 13: ...ry side of a circuit breaker in order to avoid personal injury Do not press the Test button or Remote control switch during voltage measurement Never short live conductors with the tip of a probe to a...

Page 14: ...the earth conductor in the circuit under test Such connection is known to be more suitable for insulation tests since an insulation resistance value measured with the positive side connected to earth...

Page 15: ...to the circuit under test to discharge charges stored in the capacitance of the circuit DANGER Do not touch the circuit under test immediately after testing Charges stored in the capacitance of the c...

Page 16: ...of a probe Attention should be paid to avoid possible shock hazard 6 4 Output voltage characteristics This instrument conforms to IEC61557 This standard defines that the nominal current shall be at le...

Page 17: ...15 Output Voltage V Output Voltage V Output Voltage V range range range range range range range range range Insulation Resistance M Insulation Resistance M Insulation Resistance M...

Page 18: ...order to remove this surface leakage current wind a guard wire around the cut end of the conductor and connect it to the guard terminal of the instrument using Guard Connection lead Then the surface l...

Page 19: ...orrect polarity as marked inside the Battery compartment 1 Set the Range switch to OFF position and remove the test leads from the instrument 2 Loosen the Battery cover fixing screws and remove the Ba...

Page 20: ...Case lid 2 Turn it 180 degrees 3 Put the Case lid under the Housing case 4 Hook it on to the Housing case 8 2 Neck strap and Cord case This instrument is equipped with a strap to suspend from the neck...

Page 21: ...at the time of purchase MODEL8017 Extension probe Used in difficult to reach situations MODEL8016 Pickle prod Optional Used to hook the probe on a conductor 2 How to replace Test prod To remove the Te...

Page 22: ...Connected to the Earth terminal of the Earth terminal board MODEL7101 Flat test bar Connected to the earth side of the outlet 2 How to replace Adaptors To remove the adaptors pull them out Then firmly...

Page 23: ...cover and affects the meter reading use a cloth damped with off the shelf anti static agent or detergent to wipe the meter cover surface CAUTION When the pointer deflects by touching the surface of th...

Page 24: ...DISTRIBUTOR 08 07 92 1646A...