Extech 380395 - Manuals - manualsarea.com

Page 3 - Safety; International Safety Symbols; Danger; Safety Notes

380395_380396-en-EU_V1.3 8/14 3 Safety International Safety Symbols 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. Dang...

Page 4 - Cautions; Safety Category Information

380395_380396-en-EU_V1.3 8/14 4 Cautions  Improper use of this meter can cause damage, shock, injury or death. Read and understand this user manual before operating the meter.  Always remove the test leads before replacing the batteries.  Inspect the condition of the test leads and the meter itse...

Page 6 - Insulation Resistance Testing; made even if; DANGER; PRESS TO TEST Knob; All insulation resistance tests are initiated with the; Emergency Stop; To stop a test at any time, press the; STOP; button or rotate the; PRESS TO TEST

380395_380396-en-EU_V1.3 8/14 6 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...

Page 7 - Insulation Resistance Test; Manual Test; icon will; Locked Test; icon will flash

380395_380396-en-EU_V1.3 8/14 7 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 insulation test voltage. 3. Connect the test leads to the device...

Page 8 - Timed Insulation Test; the device and the results will; Polarization Index; = Resistance after 10 minutes / Resistance after 1 minute

380395_380396-en-EU_V1.3 8/14 8 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. Connect the Black Earth test lead to the Earth connector and the Red test l...

Page 9 - Dielectric Absorption Ratio; = Resistance after 1 minute / Resistance after 30 seconds; Insulation Resistance Measurement Considerations; measuring the subsequent current flow.

380395_380396-en-EU_V1.3 8/14 9 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...

Page 10 - Use of the Guard Terminal; . In order to prevent

380395_380396-en-EU_V1.3 8/14 10 Use of the Guard Terminal When measuring a cable, leakage current flowing 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 wou...

Page 11 - Press the backlight button to switch on the LCD display backlight.; Auto Power Off; Disconnect the test leads from the unit.; Press the BATT button. The “

380395_380396-en-EU_V1.3 8/14 11 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...

Page 12 - AC/DC Voltage and Resistance Testing; AC/DC Voltage Measurements

380395_380396-en-EU_V1.3 8/14 12 AC/DC Voltage and Resistance Testing AC/DC Voltage Measurements 1. Connect the red test lead to the V  terminal and the black test lead to the COM input terminal. 2. Set the Function Selector Switch to the “ ” VAC or the “ ” VDC position. 3. Connect the test leads t...

Page 14 - Maintenance; Battery Replacement; WARNING; Power Adaptor

380395_380396-en-EU_V1.3 8/14 14 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 t...

Page 15 - Cleaning and Care; only

380395_380396-en-EU_V1.3 8/14 15 Cleaning and Care Warning: This device must be repaired, calibrated, or otherwise serviced by qualified personnel only  Periodically wipe the case with a damp cloth and mild detergent. Do not use abrasives or solvents to clean the instrument.  Periodically clean th...

Page 16 - Specifications; General Specifications

380395_380396-en-EU_V1.3 8/14 16 Specifications General Specifications Display 6000 count LCD display with bargraph Sampling Rate 2.5 times per second Over range indication "OL" appears on the LCD Short Circuit Current > 200mA Open Circuit Test Voltage > 4.5V Low battery indication Bat...

Page 17 - Insulation Resistance Measurement Specifications; Test Voltages; AC/DC Voltage Specifications; Low Resistance Measurement and Continuity Specifications; Range Resolution; Continuity Buzzer; Copyright; ISO

380395_380396-en-EU_V1.3 8/14 17 Insulation Resistance Measurement Specifications Test Voltages 500V 1000V 2500V 5000V * Measurement Range (Auto-ranging) 0.005~6.000M Ω 0.005~6.000M Ω 0.05~60.00M Ω 0.05~60.00M Ω 6.01~60.00M Ω 6.01~60.00M Ω 60.1~600.0M Ω 60.1~600.0M Ω 60.1~600.0M Ω 60.1~600.0M Ω 0.61...