Model 380652 Version 3.0 June 2005 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 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
200Ω 0.1Ω
± (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 10MΩ
