Extech Instruments AM300 Скачать руководство пользователя страница 7

AM300 V1.1  6/07 

 

Support line (781) 890-7440 

Technical Support: Extension 200; E-mail: [email protected] 

Repair & Returns: Extension 210; E-mail: [email protected] 

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 

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 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 
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. 

 

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. 
 

 

 

 
 
 
 
 
 
 
 
 
 

Copyright 

©

 2007 Extech Instruments Corporation 

All rights reserved including the right of reproduction in whole or in part in any form. 

 
 
 
 
 
 
 
 
 
 
 
 

Содержание AM300

Страница 1: ...User s Guide Extech AM300 300A AC Analog Clamp Meter ...

Страница 2: ...o not switch to current resistance modes Do not measure current on a circuit whose voltage exceeds 600V When changing ranges always disconnect the test leads from the circuit under test 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 battery or fuses Inspect ...

Страница 3: ...I is energy consuming equipment to be supplied from the fixed installation Note Examples include household office and laboratory appliances OVERVOLTAGE CATEGORY III Equipment of OVERVOLTAGE CATEGORY III is equipment in fixed installations Note Examples include switches in the fixed installation and some equipment for industrial use with permanent connection to the fixed installation OVERVOLTAGE CA...

Страница 4: ...ull Scale Resistance 2000Ω 20Ω mid scale 3 of Scale Length Clamp jaw opening 1 5 38mm max Display Analog with Zero Adjustment Input Impedance 240kΩ 75VDC range 530kΩ 300VAC range 1MΩ 600VAC range AC bandwidth 50 to 60Hz 50 to 400Hz for 15 through 300ACA ranges Ambient conditions Temperature 32 104 o F 0 40 o C Relative Humidity 80 Operating Altitude 7000ft 2000m maximum Battery One 1 1 5V AA Batte...

Страница 5: ...isplay 4 Press the trigger to open jaw Fully enclose only one conductor For optimum results center the conductor in the jaw 5 The analog display pointer will indicate the current reading AC DC Voltage Measurements 1 Insert the black test lead into the negative COM terminal and the red test lead into the positive V terminal 2 Set the display to the highest AC or DC Voltage range using the thumbwhee...

Страница 6: ...log display pointer will indicate the resistance reading Pointer Lock Function The Pointer Lock switch freezes the pointer s position and can be used as a data hold feature This feature is useful in dimly lit or hard to reach locations Maintenance WARNING To avoid electrical shock disconnect the meter from any circuit and remove the test leads from the input terminals before opening the case Do no...

Страница 7: ...s 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...

Отзывы: