Extech Instruments 381676A User Manual Download Page 4 | Manualshive

Page: 4 / 13

Extech Instruments 381676A User Manual Download Page 4

381676A-en-GB_V1.1 08/15

4

Button

Descriptions

Button

Overview

BUTTON

MODE

DESCRIPTION

H

(Data

Hold)

Any

Mode

Press

to

hold

a

reading

on

the

display.

Press

and

hold

while

turning

the

meter

on

to

defeat

APO

R

(Range)

V,

A,



Press

to

Manually

Range.

Press

and

hold

to

return

to

AUTO

Range

MAX

(Maximum

Hold)

Any

Mode

Press

to

hold

the

Maximum

reading

on

the

display

NCV

(Non

‐

contact

Voltage

Detector

Any

Mode

Press

and

hold

for

Non

‐

Contact

Voltage

Detector

(set

the

Function

switch

to

any

position

other

than

OFF)

M

(Mode)

V,

A,



,

Switch

between

AC

and

DC

Voltage/Current.

Hold

down

to

do

Logic

level

testing.

Switch

between

resistance,

diode,

and

continuity

Button

Details

DATA

HOLD

(H)

Button

To

freeze

a

displayed

reading,

press

the

DATA

HOLD

(H)

button.

The

reading

will

freeze

and

the

D.

H

display

icon

will

be

visible

on

the

LCD.

To

release

the

display,

press

the

DATA

HOLD

(H)

button

again.

The

D.

H

indicator

will

switch

off

and

the

display

will

again

show

real

time

readings.

MAXIMUM

HOLD

(MAX)

Button

To

display

only

the

highest

reading,

press

the

MAX

button.

The

M.

H

display

icon

will

be

visible

on

the

display

while

in

the

Max

Hold

mode.

Now,

the

display

will

only

change

when

a

higher

reading

than

the

displayed

reading

is

encountered.

To

return

to

normal

operation,

press

the

MAX

button

again

(the

M.

H

display

icon

will

switch

off).

MODE

(M)

BUTTON

The

Mode

(M)

button

is

used

to

select

AC

or

DC

while

in

the

VOLTAGE

(

V

)

or

CURRENT

(

mA

)

modes.

The

Mode

(M)

button

is

used

to

select

diode

( ),

Continuity

( ),

or

Resistance

(



).

Press

and

hold

the

Mode

(M)

button

to

take

LOGIC

tests

while

in

the

LOGIC

mode.

RANGE

(R)

Button

The

meter

automatically

selects

the

optimum

range;

however,

the

meter’s

ranges

can

be

selected

manually.

When

using

the

Range

(R)

button

to

manually

select

a

range,

start

with

the

highest

range

and

then

select

successively

lower

ranges

until

the

desired

range

is

reached.

The

decimal

place

will

move

with

each

press

of

the

RANGE

button.

Press

and

hold

the

Range

(R)

button

to

return

to

the

AUTO

Range

mode.

www.

GlobalTestSupply

.com

Find Quality Products Online at:

[email protected]

«
...
2
3
4
5
6
...
»

Summary of Contents for 381676A

Page 1: ...USER GUIDE Pen Multimeter with Voltage Detector Model 381676A www GlobalTestSupply com Find Quality Products Online at sales GlobalTestSupply com ...

Page 2: ...tact and free from lead wire exposure or other damage Use only the supplied test leads Safety during use Be sure to set the appropriate function and range before use Never exceed the limits indicated in the specification table of this manual Never touch probes test leads or alligator clip when connected to live circuit Do not measure voltage on terminals that exceed 600V above earth ground Always ...

Page 3: ... test probe 2 Removable probe cover 3 NCV alert LED indicator 4 Logic High Low LED Indicators 5 Finger guard 6 Rotary function switch 7 Range R button 8 Data Hold H button 9 Maximum Hold MAX button 10 Mode M button 11 NCV non contact volt detector button 12 LCD display 13 Jack for Common negative test lead 14 Common negative test lead Note The battery compartment is located on the rear of the inst...

Page 4: ...ain show real time readings MAXIMUM HOLD MAX Button To display only the highest reading press the MAX button The M H display icon will be visible on the display while in the Max Hold mode Now the display will only change when a higher reading than the displayed reading is encountered To return to normal operation press the MAX button again the M H display icon will switch off MODE M BUTTON The Mod...

Page 5: ...0mV range 250V DC or AC rms 2 600V range 600V DC or AC rms Current DC or AC Fuse protection FF400mA 600V Logic Resistance Continuity and Diode 250V DC or AC rms Automatic Power OFF APO The meter is equipped with an automatic power off feature to preserve battery energy After 14 minutes of inactivity the meter will emit 5 short beeps After another minute the meter will emit one long beep before fin...

Page 6: ...the meter as an AC Voltage Detector if the batteries are weak or bad Notes Voltage may still exist even with no indication given by the meter Do not solely rely on NCV detection to determine the presence of voltage Socket design insulation thickness and other factors may affect readings The NCV indicator LED may flash while measuring AC DC voltage due to the presence of induced voltage External en...

Page 7: ...ading will be displayed OL indicates an over range condition in manual mode A higher range should then be selected In manual mode select the highest range first if the value to be measured is unknown then lower the range as needed The AC millivolt range is only available in the manual range mode 1 Use the probe cover if making measurements on category III or above installations 2 Set the function ...

Page 8: ...lects the optimum range or the user may manually select a range by pressing the Range R button Press and hold the Range R button to return to the AUTO Range mode DIODE TEST NOTES The display shows the approximate forward voltage drop If the connections are reversed or the leads are not connected the display will show OL 1 Use the probe cover if making measurements on category III or above installa...

Page 9: ... test from the circuit so the rest of the circuit will not interfere with the resistance reading 6 Read the resistance on the display The meter automatically selects the optimum range or the user may manually select a range by pressing the Range R button Press and hold the Range R button to return to the AUTO Range mode CONTINUITY CHECK WARNING Risk of electric shock Ensure that all power to the c...

Page 10: ...ting that the logic test result is a HIGH 1 condition See diagram 0V 1 5V 3 5V 5V Green LED ON Green Red LED OFF Red LED ON LOW 0 HIGH 1 Maintenance WARNING To avoid electrical shock disconnect the test leads from any source of voltage before removing the back cover or the battery cover WARNING To avoid electrical shock do not operate the meter until the battery cover is in place and fastened secu...

Page 11: ... stipulations in respect of the disposal of the device at the end of its lifecycle Other Battery Safety Reminders Never dispose of batteries in a fire Batteries may explode or leak Never mix battery types Always install new batteries of the same type Test Lead or Alligator Clip Replacements WARNING Replacement leads must be of the same rating or higher as the leads supplied with the meter 600V 10A...

Page 12: ...sponse Average Resistance 200 0 1 1 0 of reading 3 digits 2k 0 001k 1 0 of reading 1 digit 20k 0 01k 200k 0 1k 2M 0 001M 20M 0 01M 1 0 of reading 5 digits Open Circuit Voltage approx 250mV Overload protection 250V DC or AC rms Continuity If measured resistance is 50 beeper will sound Open Circuit Voltage approx 500mV Overload protection 250V DC or AC rms Diode 0 001V Displays approx forward biased...

Page 13: ...emperature 10 o C to 50 o C 14 o F to 122 o F Operating Humidity 80 max non condensing Storage Humidity 70 maximum with battery removed Operating Altitude 2000m 6560 operating Low Battery Indication is displayed to alert battery replacement Batteries Two 2 1 5V AAA batteries Weight Size 129g 4 5oz 208 x 38 x 29mm 8 2 x 1 5 x 1 1 Safety For indoor use and in accordance with the requirements for dou...

Reviews:

No comments