Extech Instruments 380360 Скачать руководство пользователя страница 3

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Model 380360 Version 1.7 September 2003

Range Specifications

Accuracies are specified as % r digits at 23

C < 80% RH

RESISTANCE

Range Res.

Accuracy

Max.

open

circuit Volt

Overload

Protect.

200

Ω

0.1

Ω

±1% + 2d

3.3V

500Vrms

CONTINUITY

Range

Res.

Audible tone

Max. open

circuit Volt

Overload

Protect.

200

Ω

0.1

Ω

100

Ω

3.3V 500Vrms

AC VOLTAGE

Range Res. Accuracy Input

impedance Overload

Protect.

600VAC

±0.8% + 3d

10M

Ω

750Vrms

MEGOHMMETER RANGES

Range Res.

Accuracy

Terminal

voltage

200M

Ω /

250VDC

250V + 10% ~ -0%

200M

Ω /

500VDC

0.1M

Ω

500V + 10% ~ -0%

0 to 1000M

Ω /

1000VDC

±3% + 5d

1000 to 2000M

Ω /

1000VDC

Ω

±5% + 5d

1000V + 10% ~ -0%

Range

Test Current / Load

Short circuit Current

200M

Ω /

250VDC 250K

Ω

200M

Ω /

500VDC 500K

Ω

0 to 1000M

Ω /

1000VDC

1000 to 2000M

Ω /

1000VDC

1mA

Ω

< 1.5mA

Содержание 380360

Страница 1: ...ongratulations on your purchase of Extech s Insulation Tester Megohmmeter The Model 380360 provides three test ranges plus continuity and an AC voltage test A handy 3 minute test lock feature and a data hold switch are also included This professional meter with proper care will provide years of reliable service ...

Страница 2: ... insulation 6 When servicing use only specified replacement parts International Safety Symbols Caution refer to this manual before using this meter Dangerous Voltages Meter is protected throughout by double or reinforced insulation Specifications General specifications Display 0 65 3 1 2 digit 2000 count LCD Sampling rate 2 5 readings per second Test ranges 2000MΩ 1000VDC 200MΩ 500VDC 200MΩ 250VDC...

Страница 3: ...ircuit Volt Overload Protect 200Ω 0 1Ω 100Ω 3 3V 500Vrms AC VOLTAGE Range Res Accuracy Input impedance Overload Protect 600VAC 1V 0 8 3d 10MΩ 750Vrms MEGOHMMETER RANGES Range Res Accuracy Terminal voltage 200MΩ 250VDC 250V 10 0 200MΩ 500VDC 0 1MΩ 500V 10 0 0 to 1000MΩ 1000VDC 3 5d 1000 to 2000MΩ 1000VDC 1MΩ 5 5d 1000V 10 0 Range Test Current Load Short circuit Current 200MΩ 250VDC 250KΩ 200MΩ 500V...

Страница 4: ...rotary switch to the 200Ω range 3 Set the HOLD switch to the left off position and the MANU LOCK switch to the MANUAL position 4 Touch the test lead tips together 5 Press the red TEST button 6 Resistance should read less than 1Ω and the audio tone should sound 7 With the leads not touching the display should read 1__ indicating over range 8 Readings displayed other than the readings described abov...

Страница 5: ...to the HI input terminal black lead to the LO terminal 2 Set the rotary switch to the desired voltage test position 250V 500V or 1000V 3 Connect the tips of the test leads to the equipment under test 4 Set the MANU LOCK switch to the LOCK position 5 Press and release the red TEST button A 3 minute continuous test will begin The red TEST button can be pressed at any time to end the test If the TEST...

Страница 6: ...her end of the test leads to the circuit under test 4 Read the voltage value on the LCD Data Hold Function The Data Hold function freezes the displayed reading Move the HOLD switch to the rightmost position to freeze the displayed reading The H will appear on left side of the display when the meter is in the Data Hold mode Move the switch to the left position to exit the Data Hold mode the H indic...

Страница 7: ...nd the other lead to the brush on the commutator 3 If the resistance measurement indicates a weakness raise the brushes off of the commutator and separately test the armature field coils and brush rigging one at a time Leave one lead connected to the grounded motor housing while testing the motor components This also applies to DC Generators Testing Cables 1 Disconnect the cable under test from th...

Страница 8: ...CH INSTRUMENTS CORPORATION warrants this instrument to be free of defects in parts and workmanship for one year from date of shipment a six month limited warranty applies on sensors and cables If it should become necessary to return the instrument for service during or beyond the warranty period contact the Customer Service Department at 781 890 7440 ext 210 for authorization or visit our website ...

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