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Model 380652 Version 3.0 June 2005 

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. 

Specifications 

General Specifications 

Display 

3 ½ digit (±1999 display counts) LCD 

Measurements 

AC/DC Voltage, AC/DC Current, and Resistance 

Polarity 

Automatic Switching; ‘-’ indicates negative polarity 

Current Sensor 

Hall effect sensor 

Zero Adjustment 

Adjustment dial for DC Current zero 

Over-input 

Display indicates ‘1’ or ‘-1’ 

Sampling Time 

Approximately 0.4 seconds 

Time Base 

Quartz crystal (32.768 KHz) 

Battery 9V 

battery 

Power Consumption 

Approximately 6mADC (Voltage & Resistance)  

Approximately 12mADC (Current range) 

Operating Temp 

32 to 122

o

F (0 to 50

o

C)

 

Operating Humidity 

Less than 80% Relative Humidity 

Weight 

0.5 lbs. (225g) - including battery 

Dimension 

7.1 x 1.9 x 1.4’ (180 x 47 x 35mm) 

Max. Conductor size 

19

 φ

 

[0.75’ (19mm) diameter]

 

Accessories 

Instruction manual, test leads, and carrying case 

Range Specifications 

Function Range 

Resolution 

Accuracy 

Overload 
Protection 

DCV 

200V 

0.1V 

± (0.8%rdg + 1d) 

ACV (50/60 Hz) 

500V 

1V 

± (1%rdg + 2d) 

AC 500V rms
DC ±500V 

Resistance 

200

 0.1

 

± (1.2%rdg + 1d) 

AC/DC 400V 

AC Current   
(50/60 Hz) 

20A/ 
200A 

0.01A / 0.1A 

± (1.2%FS + 5d) 

DC Current 

200A 

0.1A 

± (1.2%FS + 5d) 

300 ACA  
(for 1 min.) 

DATA HOLD 

Freezes displayed reading. Available on all functions. 

Note: The input impedance for ACV & DCV ranges is 10M

 

Содержание 380652

Страница 1: ...and displays Voltage Current and Resistance The DCA zero adjustment permits relative and offset DC current measurements Careful use of this meter will provide years of reliable service 99 Washington Street Melrose MA 02176 Phone 781 665 1400 Toll Free 1 800 517 8431 Visit us at www TestEquipmentDepot com Back to the Extech 380652 Product Page ...

Страница 2: ...air or replacement of the product The warranty set forth above is inclusive and no other warranty whether written or oral is expressed or implied Specifications General Specifications Display 3 digit 1999 display counts LCD Measurements AC DC Voltage AC DC Current and Resistance Polarity Automatic Switching indicates negative polarity Current Sensor Hall effect sensor Zero Adjustment Adjustment di...

Страница 3: ... connected correctly to its snap terminal and placed in the battery compartment 2 Slide the Off On Hold switch to the ON position except when using the DATA HOLD function 3 Place the RED test lead into the proper input terminal before making measurements 4 Remove the test leads from the circuit under test when changing the measurement range 5 Do not exceed the maximum rated input voltage 6 Always ...

Страница 4: ... resistance under test 6 Read the resistance values on the LCD Note There are small stray resistances approx 0 8 ohms in the test leads Before taking measurements short the test leads and note the meter reading After taking a measurement deduct the stray resistance value noted earlier from the displayed reading AC Current Measurements 1 Slide the Off On Hold switch to the ON position 2 Slide the V...

Страница 5: ...able operating voltage approx 7V the LO BAT icon appears on the LCD display This indicates that the battery needs to be replaced soon However in spec measurements can still be made for several hours after the low battery indicator appears To replace the battery 1 Open the battery compartment with a screwdriver or small coin 2 Replace the 9V battery and secure the compartment cover Cleaning Use onl...

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