Extech 380395 / 380396 Digital High Voltage Insulation
Contents
1. blow After approximately 20 minutes of inactivity 32 to 104 F 0 to 40 C lt 80 RH Up to 2000 meters 14 to 140 F 10 to 60 C lt 80 RH 7 8 x 5 8 x 3 4 198 x 148 x 86mm Approx 50 7 oz 1438g with battery Pollution degree 2 Meets IEC 61010 1 and IEC 61010 031 CAT IV 600V 15 380395 380396 V1 1 05 10 Insulation Resistance Measurement Specifications Test Voltages 500V 1000V 2500V 5000V 0 005 6 000MQ 0 005 6 000MQO 0 05 60 00MQ 0 05 60 00MQ Measurement 6 01 60 00MQ 6 01 60 00MQ 60 1 600 0MQ 60 1 600 0MQ Range Auto ranging 60 1 600 0MQ 60 1 600 0MQ 0 61 6 00GQ 0 61 6 00GQ 0 61 6 00GQ 0 61 6 00GQ 6 1 60 0GO 6 1 60 0GQ Open circuit DC 500V DC 1000V DC 2500V DC 5000V Voltage 20 0 20 0 20 0 20 0 Rated 1 1 2mA 1 1 2mA 1 1 2mA 1 1 2mA current 0 5 MQ load 1 MQ load 2 5 MQ load 5 MQ load Short circuit current Approx 1mA 0 005 600 0MQ 2 5 reading 15 digits AScurady 0 61 6 00GQ 3 reading 15 digits 6 1 60 0GQ 4 reading 15 digits 5 6000VDC 1 5 reading 5 digits R In Insulation Resistance test mode this device is used to check whether or not the lote on voltage electric charge stored in the equipment under test has been discharged During an display in IR test f i i mode Insulation Resistance test the voltage value displayed on the LCD above the resistance measurement is the test reference voltage value NOTE For 5000V IR mea2. button to select the Dielectric Absorption Ratio function DAR for TIME1 5 Press and hold the PRESS TO TEST button and turn it clockwise to the LOCK position The beeper will sound during the test 6 When the test has completed the LCD will display PASS if the Dielectric Absorption Ratio is greater than 1 FAIL will be displayed if the Dielectric Absorption Ratio is below 1 7 Keep the test leads connected to the device under test and release the PRESS TO TEST button The circuit will discharge through the meter While the circuit is 204 discharging the POSG ET icon will flash 8 Press the STOP button to clear the results Insulation Resistance Measurement Considerations The Resistance of an insulator is determined by applying a test voltage to the insulator and then measuring the subsequent current flow Resistance value Voltage Current RX V 1 LINE Voltage V Resistance value RX current EARTH Notes e The insulation resistance of a device may not be stable therefore the readings supplied by the meter may vary e An audible beep will be heard while a test is in progress this is normal e Measurements taken on a capacitive load may take some time to complete e Insulation Resistance tests output a positive voltage from the Earth terminal and a negative voltage from the Line terminal 9 380395 380396 V1 1 05 10 Use of the Guard Terminal When measuring a cable leakage current flowing
3. on the surface of cable s jacket and the current flowing inside the cable s insulator combine and may cause measurement errors In order to prevent such errors a conductive wire should be wound around the point where leakage current flows The conductive wire should then be connected to the Guard terminal as shown in accompanying figure Be sure to use only the Guard cable supplied with this instrument to connect the instrument to the Guard terminal t 7 Conductor Insulation Protective wire Cable with sheath Insulation resistance tester 10 380395 380396 V1 1 05 10 Data Hold 1 Press the HOLD button to freeze the displayed reading on the LCD display The HOLD display icon will switch ON in this mode 2 Press the HOLD button again to return the meter to the normal operation mode The HOLD display icon will switch OFF Backlight 1 Press the backlight button to switch on the LCD display backlight 2 Press the backlight button a second time to increase the brightness 3 Press the backlight button a third time to switch off the backlight 4 The backlight will turn off automatically after 60 seconds Auto Power Off The auto power off function extends the battery life of the unit The unit will automatically power off after 20 minutes of inactivity Battery Check 1 Disconnect the test leads from the unit 2 Set the Function Selector Switch to the WBATT DCV position 3 Press the BATT butto
4. value and a stored reference value 1 2 3 Press REL to store the reading presently indicated on the display as the reference value the REL indicator will appear Subsequent readings will represent the difference between the stored reference value and the measured value Press the REL button again to return to normal operation 13 380395 380396 V1 1 05 10 Maintenance Battery Replacement WARNING To avoid electric shock disconnect all of the test leads from the unit before replacing the batteries Operating Caution Do not mix old and new batteries Make sure the polarity is correct when installing batteries Do not take measurements with the battery compartment open Replace the batteries as soon as the low battery indication appears __ Do not use the tester in a low battery condition 1 Switch the meter off and disconnect all of the test leads 2 Remove the four screws that hold the battery compartment cover in place 3 Remove the battery compartment cover Replace the eight 8 1 5V batteries 5 Replace the battery compartment cover and screws Power Adaptor 1 The power adaptor input terminal is located at the top left of the tester 4 2 Ensure that the meter is powered off before Ul inserting the power adaptor into the input D terminal 3 Itis highly recommended that all of the batteries be removed from the meter before using the power adaptor 4 Ensure that the meter i
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6. User s Guide EXTECH INSTRUMENTS A FLIR COMPANY Digital High Voltage Insulation Tester Model 380395 or 380396 if ji A Ato A FLIR COMPANY TIME SET 1000V AUTO DISCHARGE AUTO POWER OFF Introduction Congratulations on your purchase of the Extech 380395 120V or 380396 220V High Voltage Insulation Tester This meter provides four Insulation Resistance test ranges plus Continuity AC DC Voltage Polarization Index and Dielectric Absorption Ratio measurements This meter is shipped fully tested and calibrated and with proper care and use will provide years of reliable service Features Auto ranging 6000 count LCD display with bargraph Selectable LCD backlight level function facilitates working in dimly illuminated areas MAX MIN PEAK Relative and Data hold functions for DC AC voltage measurements Designed to the following safety standards IEC 61010 1 CAT IV 600V Pollution degree 2 IEC 61010 031 Requirements for hand held probes Insulation test range 0 1MQ to 60GQ Insulation test voltages 500V 1000V 1500V and 5000V AC DC voltage 0 5 V to 600 V 200mA Continuity Resistance 0 1 Q to 6kQ Auto discharge function amp voltage output warning function Electric charges stored in capacitive circuits are automatically discharged after measurements Discharge status can be checked using the real time voltage bargraph LIVE circuit warning symbols plu
7. al of the circuit under test CAUTION When the live circuit warning indicates gt 30V or the warning buzzer 204 sounds and the batea display flashes the measurement cannot be made even if the Press to Test button is pressed DANGER Do not touch the circuit under test immediately after testing Voltage stored in the circuit may cause electric shock Leave the test leads connected to the circuit under test and never touch the circuit until the discharge is complete PRESS TO TEST Knob All insulation resistance tests are initiated with the PRESS TO 1 TEST knob Press and HOLD the knob to perform a test Release the knob to end the test Press and TURN the knob 90 degrees clockwise to the LOCK position to lock the meter in the continuous test mode To end a test either rotate the knob 90 degrees IN 6 STOP JD PRESS TO TEST counterclockwise or press the STOP button Always return the knob to the vertical position before beginning a test LOCK Emergency Stop To stop a test at any time press the STOP button or rotate the PRESS TO TEST knob in a counter clockwise direction The STOP button also clears the display and beeper after a discharge is complete 6 380395 380396 V1 1 05 10 Insulation Resistance Test Manual Test 1 Connect the Black Earth test lead to the Earth connector and the Red test lead to the LINE and COM connectors 2 Set the Function Selector switch to the desired ins
8. der test Set the Function Selector switch to the desired insulation test voltage Use the PI DAR button to select TIME 1 1 00 for the Polarization Index PI function Press and hold the PRESS TO TEST button and turn it clockwise to the LOCK position The beeper will sound during the test When the test has completed the LCD will display PASS if the Polarization Index is greater than 1 FAIL will be displayed if the Polarization Index is below 1 Keep the test leads connected to the equipment under test and release the PRESS TO TEST button The circuit will discharge through the meter While the circuit is 204 discharging the Sat SS icon will flash Press the STOP button to clear the results 8 380395 380396 V1 1 05 10 Dielectric Absorption Ratio DAR The dielectric absorption test calculates the ratio of the resistance measurement after one minute to the resistance measurement after 30 seconds Results are determined by the type age and condition of the insulation material tested Established standards and test procedures should be used to establish pass fail criteria for each application Dielectric Absorption Ratio Resistance after 1 minute Resistance after 30 seconds 1 Connect the Black Earth test lead to the Earth connector and the Red test lead to the LINE and COM connectors Connect the test leads to the device under test 3 Set the Function Selector switch to the desired insulation test voltage Use the PI DAR
9. in use Remove the batteries if the meter is to be stored for longer than 60 days Warnings Set the function switch to the appropriate position before measuring Do not measure current on a circuit whose voltage exceeds 600V When changing ranges always disconnect the test leads from the circuit under test Do not use the Insulation resistance tester if it is damaged or if metal parts are exposed Also check the meter for cracks or missing plastic Be careful when working above 30V AC rms or 30V DC Such voltages pose a shock hazard Discharge all circuit loads under test after measuring high voltage Do not replace the batteries with the tester in a wet environment Place the test leads in the proper input terminals Ensure that the test leads are firmly connected to the Insulation Resistance tester s input terminals Ensure that the Insulation Resistance tester is switched off when opening the battery compartment 3 380395 380396 V1 1 05 10 A Cautions Improper use of this meter can cause damage shock injury or death Read and understand this user manual before operating the meter e Always remove the test leads before replacing the batteries e Inspect the condition of the test leads and the meter itself for any damage before operating the meter Repair or replace any damage before use e Voltage checks on electrical outlets can be difficult and misleading because of the uncertainty of a definitive connection to the rece
10. ion 4 380395 380396 V1 1 05 10 Meter Description 1 Insulation resistance Test Lock switch REL down button HOLD button BATT up button MAX MIN STOP button LCD Display DC power adaptor Input EARTH Input VQ input and IR GUARD terminal 10 VQ COM input and High voltage shielding terminal 11 LINE 500V to 5000V High Voltage Output 12 PI DAR PEAK button 13 Backlight AUTO OFF button 14 Function Selector Switch O o N OD Cre Display Description Timed Test Indicators 2 AC DC Indicators 3 Polarization Index and Dielectric Absorption 6 Ratio Indicators 5 4 Analog Bargraph 4 Wy 5 Auto Range Indicator 3 Pil pan DOBE i i S J Seco S 6 row Battery Indicator anf F F f 7 High Voltage Indicator 2 mo aw Mot a Vom 8 Auto discharge Indicator a 9 Continuity Buzzer Indicator 1 Ie 4a MAX MIN GZTA 10 PASS FAIL Indicator 11 Live Circuit Voltage Indicator 12 Units Indicator 13 Function Indicators 5 380395 380396 V1 1 05 10 Insulation Resistance Testing CAUTIONS Ensure that no electrical charge exists on the circuit under test Insulated gloves should be worn while testing Use extreme caution to avoid touching the tips of the test leads or the circuit under test when the PRESS TO TEST button is pressed High Voltage is present Do not make measurements when the battery cover is removed Always connect the Earth Cord black to the Earth termin
11. ion improper maintenance or repair or unauthorized modification Extech specifically disclaims any implied warranties or merchantability or fitness for a specific purpose and will not be liable for any direct indirect incidental or consequential damages Extech s total liability is limited to repair or replacement of the product The warranty set forth above is inclusive and no other warranty whether written or oral is expressed or implied Calibration and Repair Services Extech offers repair and calibration services for the products we sell Extech also provides NIST certification for most products Call the Customer Care Department for information on calibration services available for this product Extech recommends that annual calibrations be performed to verify meter performance and accuracy Seat A Support line 781 890 7440 Technical Support Extension 200 E mail support extech com Repair amp Returns Extension 210 E mail repair extech com Product specifications subject to change without notice For the latest version of this User Guide Software updates and other up to the minute product information visit our website www extech com Extech Instruments Corporation 285 Bear Hill Road Waltham MA 02451 1S09001 Certified Copyright 2010 Extech Instruments Corporation a FLIR company All rights reserved including the right of reproduction in whole or in part in any form 17 380395 380396 V1 1
12. n The bAEE batt icon will appear on the LCD display 4 Read the battery voltage level on the LCD A reading of 12V or grater indicates good batteries A reading of 10V or less indicates the remaining battery life is limited Press the BATT button again to exit the Battery Check mode The unit will also automatically exit the Battery Check mode after 5 seconds 11 380395 380396 V1 1 05 10 AC DC Voltage and Resistance Testing AC DC Voltage Measurements 1 Connect the red test lead to the VQ terminal and the black test lead to the COM input terminal 2 Set the Function Selector Switch to the Ve VAC or the V VDC position 3 Connect the test leads to the circuit under test 4 Note the voltage reading on the LCD display k Low Resistance and Continuity Measurements 4 WARNING Do not perform this test unless ACV DCV 0 Do not use this mode to check diodes 1 Connect the red test lead to the VQ terminal and the black test lead to the COM input terminal 2 Set the Function Selector Switch to the Q position 3 Connect the test leads to the circuit under test 4 Note the resistance reading on the LCD a be 0E display If the resistance measured is less AA F than 50Q the audible alarm will sound and E the icon will display Conon sxe J MAX MIN Function AC DC Voltage measurements only 1 Press the MAX MIN button to enter the MAX MIN mode The MIN ico
13. n will appear on the LCD display and the meter will display and hold only the minimum value The value will be held until a new minimum value is measured 2 Press the MAX MIN button again and MAX will appear on the LCD display The meter will display and hold only the maximum value The value will be held until a new maximum value is measured 3 Press the MAX MIN button a 3 time MAX MIN will appear on the LCD display In this mode the meter will display the real time readings but will continue to store maximum and minimum values for later recall Use the MAX MIN button to check the MIN and MAX values 4 To exit MAX MIN mode entirely press and hold the MAX MIN button for at least 2 seconds 12 380395 380396 V1 1 05 10 Peak Hold Function AC DC Voltage measurements only The PEAK HOLD function is used with the MAX MIN function to capture voltage max and min peaks in the range of 10 to 100mS milliseconds The voltage range is 0 5V to 600V AC or DC 1 2 Press the MAX MIN button MIN will appear on the LCD display Press the PEAK button MIN PEAK will appear on the LCD display The meter will now capture minimum readings Press the MAX MIN button again to display the MAX PEAK icon The meter will now capture maximum readings Press and hold the MAX MIN button for at least 2 seconds to exit the PEAK hold mode Relative Mode AC DC Voltage measurements only The relative mode displays the difference between the measured
14. s audible warning Live circuit detection prevents insulation test if voltage gt 30 V is detected Auto power off function and battery check Programmable Test Timer measurement function Polarization Index measurement PI Dielectric Absorption Ratio measurement DAR Power source Eight 8 1 5V C Cell Batteries 2 380395 380396 V1 1 05 10 Safety International Safety Symbols Pe eee rye Oo This symbol adjacent to another symbol or terminal indicates the user must refer to the manual for further information This symbol adjacent to a terminal indicates that under normal use hazardous voltages may be present Danger identifies conditions and actions that pose hazard s to the user Warning alerts the user to avoid electric shock Caution identifies conditions and actions that may damage the Insulation Resistance tester Operating Caution identifies conditions where the user needs to take extra care during the operation of the Insulation resistance tester Danger Use of this instrument in a manner not specified by the manufacturer may impair safety features protection provided by the equipment Read all of the safety information carefully before using or servicing the instrument This symbol indicates that the meter uses double or reinforced insulation Safety Notes Do not exceed the maximum allowable input range for any of the meter s functions Set the function switch OFF when the meter is not
15. s powered off when the power adaptor is disconnected from the meter Cleaning and Care A Warning This device must be repaired calibrated or otherwise serviced by qualified personnel only e Periodically wipe the case with a damp cloth and mild detergent Do not use abrasives or solvents to clean the instrument e Periodically clean the terminals with a cotton swab and detergent grit or debris in the terminals can affect readings Moisture in the terminals can affect the reading Keep the instrument dry and clean Switch the Insulation resistance tester OFF when it is not in use e Remove the batteries when the meter is removed from service for long periods e Do not use or store the meter in areas of high humidity high temperature potentially explosive or flammable environments or in strong magnetic fields 14 380395 380396 V1 1 05 10 Specifications General Specifications Display Sampling Rate Over range indication Short Circuit Current Open Circuit Test Voltage Low battery indication Power supply Fuse Auto Power Off Operating Temperature Operating Humidity Altitude Storage Temperature Storage Humidity Dimensions Weight Safety Standards Ratings Category Rating 6000 count LCD display with bargraph 2 5 times per second OL appears on the LCD gt 200mA gt 4 5V Battery symbol appears on the LCD Eight 8 1 5V C Cell Batteries or 13 5V 1Amp AC adaptor 500mA 600V 6 x 32mm ceramic 3AG fast
16. ssed electrical contacts Other means should be used to ensure that the outlet terminals are not live e If the equipment is used in a manner not specified by the manufacturer the protection provided by the equipment may be impaired e Do not use the Insulation resistance tester near explosive gas vapor or dust e When using the test leads keep fingers away from the lead contacts Keep fingers behind the test lead finger guards e Do not use the tester if its cover or any of its parts are removed e When performing resistance tests remove all power from the circuit under test e When servicing the Insulation Resistance tester use only the supplied test leads and power adaptor e Do not use the Insulation resistance tester if the battery indicator shows a low battery e Do not use or store the meter in areas of high humidity high temperature potentially explosive or flammable environments or in strong magnetic fields e Soft cloth and mild detergent should be used to clean the surface of the Insulation resistance tester when servicing Do not use abrasives or solvents e Dry the Insulation resistance tester before storing if it is wet e Remove the test leads and set the Range selector switch to the OFF position after use Safety Category Information This Insulation resistance tester complies with IEC61010 standard safety measurement requirements pollution degree 2 over voltage category CAT IV 600V with double insulat
17. surements use of the ac adapter to power the unit is recommended AC DC Voltage Specifications Range Resolution Accuracy 1 of rdg 5d 40 to 60 Hz Cote 600 VAC 40 ORNL Oty 2 5 of rdg 10d 61 to 400 Hz 0 5 to 600 VDC 1 of reading 5 digits Low Resistance Measurement and Continuity Specifications Range Resolution Accuracy 0 1 to 6002 0 10 1 5 rdg 10d 601 to 6 00kQ2 0 001kQ 1 5 rdg 15d Continuity Buzzer Triggers if the resistance is 50Q or lower Open Circuit Voltage 4 5V minimum Short Circuit Current 200mA minimum 16 380395 380396 V1 1 05 10 Warranty EXTECH INSTRUMENTS CORPORATION A FLIR COMPANY 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 to 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 www extech com for contact information A Return Authorization RA number must be issued before any product is returned to Extech The sender is responsible for shipping charges freight insurance and proper packaging to prevent damage in transit This warranty does not apply to defects resulting from action of the user such as misuse improper wiring operation outside of specificat
18. test lead to the Earth connector and the Red test lead to the LINE and COM connectors Connect the test leads to the device under test Set the Function Selector switch to the desired insulation test voltage Use the Time Set A and VY arrow buttons to select the desired run time for the insulation test The selected time will be shown in the lower left corner of the LCD Press and hold the PRESS TO TEST knob or lock it The beeper will sound and the voltage warning icon will flash at one second intervals during the test At the end of the timed period keep the test leads connected the meter will 204 SSE the device and the results will be held in the display Release or unlock the PRESS TO TEST knob and press the STOP button to clear the display Set the Function Selector switch to the OFF position and remove the test leads from the circuit Polarization Index PI The polarization index Test calculates the ratio of the resistance measurement after 10 minutes to the resistance measurement after 1 minute Results are determined by the type age and condition of the insulation material tested Established standards and test procedures should be used to establish pass fail criteria for each application ar oN Polarization Index Resistance after 10 minutes Resistance after 1 minute Connect the Black Earth test lead to the Earth connector and the Red test lead to the LINE and COM connectors Connect the test leads to the device un
19. ulation test voltage 3 Connect the test leads to the device under test 4 Press and hold the PRESS TO TEST button to run the test The buzzer will beep during the test 5 Read the measured value on the LCD display 6 Release the button to end the test and discharge the device While the circuit is discharging the icon will flash The measured value HOLD and the measurement time will remain in the display 7 Press the STOP button to clear the display 8 Set the Function Selector switch to OFF position and remove the test leads from the circuit Locked Test 1 Repeat steps 1 to 3 as above 2 Press and turn the PRESS TO TEST button to the lock position to run the test The buzzer will beep during the test 3 Read the measured value on the LCD display Rotate the PRESS TO TEST button to the PRESS TO TEST position to end the test and discharge the device While the circuit is discharging the icon will flash The measured value HOLD and the measurement time will remain in the display 5 Press the STOP button to clear the display 6 Set the Function Selector switch to OFF position and remove the test leads from the circuit ooo 7 380395 380396 V1 1 05 10 Timed Insulation Test The timed insulation test feature allows the user to specify the period of time the test will run The run time can be set from 1 to 15 minutes in 1 minute increments 1 o Connect the Black Earth
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