Extech Instruments 382152 Скачать руководство пользователя страница 2

Model 382152    Ver. 1.6    April 2001 

2

Warranty 

EXTECH 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 

w arranty 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 for authorization. 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 specification, 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. 

 

Safety 

Please read the following safety information carefully before attempting to operate the 
meter and use the meter only as specified in this manual. 

Environmental safety information 

• 

Do not use meter outdoors when precipitation is likely 

• 

Installation Category III 

• 

Pollution degree 2 

• 

Altitude: 2000 meters max. 

• 

Ambient conditions: 32 to 104

o

F (0 to 40

o

C); RH: 80% max 

• 

Observe the following international safety warning symbols

 

Safety Symbols

 

 

Caution: Refer to this manual before using this meter 

 
 

Dangerous Voltages 

 
 

Meter is protected throughout by double or reinforced insulation

 

Organizations that provide rules and guidelines for proper grounding 

• 

The National Electrical Code (NEC) 

• 

Underwriters Laboratories (UL) 

• 

National Fire Protection Association (NFPA) 

• 

American National Standards Institute (ANSI) 

• 

Occupational Safety Health Administration (OSHA) 

• 

Telecommunications Industry Standard (TIA) 

 

Содержание 382152

Страница 1: ...urrent breakers in the circuit under test Single momentary tests or automatic 3 minute tests can be selected This device was designed to meet IEC 1010 EN 61010 safety standards Earth Ground Resistance Testers are useful for Estimating ground resistance of a proposed substation or transmission tower Computing inductive coupling between neighboring power and communication circuits Designing cathode ...

Страница 2: ...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 Safety Please read the following safety information carefully before attempting to operate the meter and use the meter only as specified i...

Страница 3: ... as most significant digit Safety IEC 1010 EN 61010 category III Weight 27 7oz 800g with batteries Dimensions 6 42 x 3 94 x 2 163 x 100 x 50 mm Supplied accessories Test leads 3 auxiliary earth bars 2 six AA batteries and carrying case Range Specifications Measurement Range Resolution Accuracy Earth Ground Resistance 2mA test current 820Hz 20 200 2000Ω 0 01Ω 0 1Ω 1Ω 2 rdg 2 d Earth Voltage Frequen...

Страница 4: ...ltage Test 1 Set the meter s function switch to the ACV position 2 Press the PUSH ON button to perform a single momentary test 3 Press the PUSH ON and TIMER ON buttons simultaneously to begin a 3 minute test The 3 minute test automatically shuts down after 3 minutes Press the Timer OFF button to end an automatic test at any time 4 The front panel test status LED will light if the test is operating...

Страница 5: ...ng correctly If the LED does not light check for problems such as open circuits or overload conditions 5 If high resistance is detected note the value and take appropriate steps to correct the ground connection if necessary 6 Readings between 300 to 600Ω in the 2kΩ range are typical when the test leads are not connected to the meter Data Hold Data Hold freezes the latest measurement reading on the...

Страница 6: ...age Periodically wipe the meter s case with a damp cloth and mild detergent do not use abrasives or solvents If the meter is not to be used for a period longer than 60 days remove the batteries and store them separately Calibration and Repair Services Extech offers complete repair and calibration services for all of the products we sell For periodic calibration NIST certification or repair of any ...

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