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MTP

Instruction Manual

DIGITAL INSULATION TESTER

INSTRUCTION MANUAL

Model MTP-4010

MTP Instruments

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Summary of Contents for MTP-4010

Page 1: ...MTP Instruction Manual DIGITAL INSULATION TESTER INSTRUCTION MANUAL Model MTP 4010 MTP Instruments ...

Page 2: ...leads if they look damaged Use extreme caution when working around bare conductors or bus bars Accidental contact with the conductor could result in electric shock Use the meter only as specified in this manual otherwise the protection provided by the meter may be impaired Read the operating instructions before use and follow all safety Information Caution when working with voltages above 60V DC o...

Page 3: ...y and all loads from the circuit Safety symbols Caution refer to this manual before using the meter Dangerous voltages Meter is protected throughout by double insulation or reinforced insulation When servicing use only specified replacement parts CE Comply with EN 61010 1 ...

Page 4: ...ring Repairs or servicing not covered in this manual should only be performed by qualified personnel Periodically wipe the case with a dry cloth Do not use abrasives or solvents on this instrument Display Large LCD with dual display Measurement Range 200Ω 200kΩ 200MΩ 250V 200MΩ 500V 2000MΩ 1000V 750V ACV 1000V DCV Sampling Rate 2 5 times per second Zero Adjustment Automatic adjustment Over Range I...

Page 5: ...ing Temperature 0ºC to 40ºC 32ºF to 104ºF and Humidity below 80 RH Storage Temperature 10ºC to 60ºC 14ºF to 140ºF and Humidity below 70 RH Power source DC9V 6x1 5V Size AA battery or Equivalent Dimensions 200 L x 92 W x 50 H mm Weight Approx 700g include battery Accessories Test leads 6pcs battery carrying case manual ...

Page 6: ...C below 80 RH OHMS Range Resolution Accuracy Max open Circuit Voltage Overload Protection 200Ω 0 1Ω 1 2 4 5V 250Vrms 200kΩ 0 1kΩ 3 0V Continuity Beeper Range Resol ution Operation Resistance Max open Circuit Voltage Overload Protectio n 0 1Ω Resistance 40Ω 4 5V 250Vrms Short circuit current 200mA ...

Page 7: ...10MΩ 1000Vrms AC Voltage 40Hz 400Hz Range Resolution Accuracy Input Impedance Overload Protection 750V 1V 1 2 10 10MΩ 750Vrms Meg OHMS Range Resolution Accuracy Terminal Voltage 200M Ω 250V 0 1MΩ 3 5 250V 10 0 200M Ω 500V 0 1MΩ 500V 10 0 0 1000M Ω 1000V 1MΩ 1000V 10 0 1000 2000M Ω 1000V 5 5 ...

Page 8: ...urrent Short circuit current 200MΩ 250V 1mA 250KΩ load 1 5mA 200MΩ 500V 500 KΩ load 0 1000M Ω 1000V 1MΩ 1000 2000MΩ 1000V 2 PARTS CONTROLS Digital Display Data Hold Button Lock Button Backlight Button Test Button Rotary Function switch V Ω Jack COM input jack Pothook Battery Cover ...

Page 9: ...eck up Replacement a As battery power is not sufficient LCD will display Replacement of 6 pcs new batteries type 1 5V size AA is required b Place back the battery cover and the screws 3 3 Test leads check Set the range select switch to the 200Ω range With the tip and alligator clip of the test leads connected the indicator should read 00 0Ω When the leads are not connected the display will read in...

Page 10: ...insulation resistance In such a case an installation may be divided into sections each being separately tested Each section must have not less than fifty outlets an outlet being a switch socket lighting point etc A switched socket counts as one outlet The minimum acceptable insulation resistance is 1MΩ For a large installation the capacitance of the insulation will be high and it will take longer ...

Page 11: ...t the range switch to 1000V and then proceed as indicated in section 4a for 500V testing The above note also applies for testing at 1000V In addition the following applies Note Make sure that the circuit under test does not include components which will be damaged by the 1000V applied Many normal components of an installation are likely to be damaged if tested at 1000V Examples are power factor co...

Page 12: ... red test lead to the V Ω terminal and black to the COM terminal c Connect the tips of the test leads to both ends of the circuit under test and read resistance in Ω on the LCD d When the impedance on circuit is below approximately 40 it will be indicates by a continuous beeper 6 AC DC VOLTAGE MEASUREMENTS a Set the range switch to ACV or DCV position b Connect red test lead to V Ω terminal and bl...

Page 13: ...l e g chuck blade Note The switch of the device must be in the ON position and the main power should be disconnected MOTORS AC Disconnect the motor from the line by disconnecting the wires at the motor terminals or by opening the main switch If the main switch is used and the motor also has a starter then the starter must be held by some means in the ON position In the latter case the measured res...

Page 14: ...m the line To test the brush rigging field coils and armature connect one megohmmeter lead to the grounded motor housing and the other lead to the brush on the commutator If the resistance measurement indicates a weakness raise the brushes off the commutator and separately test the armature field coils and brush rigging by connecting one megohmmeter lead to each of them individually leaving the ot...

Page 15: ...e from other equipment Check each conductor to ground and or lead sheath by connecting one megohmmeter lead to a ground and or lead sheath and the other megohmmeter lead to each of the conductors in turn Check insulation resistance between conductors by connecting megohmmeter leads to conductors in pairs ...

Page 16: ...er such as misuse improper wiring operation outside of specification improper maintenance or repair or unauthorized modification MTP Instruments specifically disclaims any implied warranties or merchantability or fitness for a specific purpose and will not be held liable for any direct indirect incidental or consequential damages MTP Instruments total liability is limited to repair or replacement ...

Page 17: ...nts MTP Instruments Head Office 4409 Charleroi street Montreal North Quebec H1H 1T6 Telephone 514 326 7167 Fax 514 326 7835 Toll Free Number 1 888 326 7167 Web Site www mtpinc com E Mail info mtpinc com Distributed by ...

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