Extech Instruments 381626 User Manual

Model 381626

CAUTION: Read, understand and follow all

Safety Rules and Operating Instructions in this
manual before using this product.

Pen Multimeter

This instrument is a 3200 count pen style digital
multimeter. It can be used for measuring AC or DC
voltage, AC or DC current, resistance, diodes and
continuity. It can also be used as a logic test pen. The
measuring ranges are changed automatically or can
be manually set. All measurements are displayed with

0.6 inch high characters with full parameter symbols.
This meter is easily operated and all ranges have
overload protection. It is an ideal instrument for use in
the home, factory, school and laboratory. The DMM is
for indoor use only. It is UL 1244 listed.

WARNING: USE EXTREME CAUTION IN THE USE OF
THIS DEVICE. Improper use of this device can result

in injury or death. Follow all safeguards suggested in
this manual. In addition to the normal safety
precautions used in working with electrical circuits.
DO NOT service this device, if you are not qualified to
do so.

EXTECH INSTRUMENTS CORPORATION warrants this
instrument to be free of defects in parts and
workmanship for one year from date of shipment. If it
should become necessary to return the instrument for
service during or beyond the warranty period, contact
the Customer Service Department at [phone]
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.

Version 1.1 4 August, 2000

SPECIFICATIONS

Ranges Resolution Accuracy
DC Voltage 300mV, 3V

30,300, 500V

AC Voltage 3, 30, 300, 500V 1mV +(1.5% reading + 8 digits) AC Freq. Response:
DC Current 30, 300mA 10µA +(1.5% reading + 3 digits) 40Hz to 400Hz
AC Current 30, 300mA 10µA +(2.0% reading + 5 digits) Average responding
Resistance 300,3k,30k,300kΩ

3MΩ
30MΩ

Continuity Buzzer sounds for resistance less than 20 ohms (approximately)
Logic <1V Logic low, 1V to 2V Indeterminate, >2V Logic High, 3V reference, 220kΩ input impedance
Power supply Two 1.5V AAA batteries
Dimmensions/Wt. 1x7.5x1.9” (26x191x40mm) / 3.9oz (120gm)

100µV +(1.5% reading + 5 digits)

+(1.0% reading + 2 digits

0.1 ohms +(1.5% reading + 5 digits)
+(2.0% reading + 8 digits)
+(3.0% reading + 10 digits)

Input Impedance 10MΩ
Max Input 500V AC/DC

Overload Protection:
250VAC rms
Open ckt. V: 0.6V -

1.2V

SAFETY INSTRUCTIONS