background image

   

                                                                                                                                           

1

 

                                             

                                                      

PM120

en

US_V1.0

   

8/17

 

USER

 

MANUAL

 

 

 

PM120

 

 

Power

 

Monitor

 

 

 

 
 
 
 
 
 
 
 

Introduction

 

Thank

 

you

 

for

 

selecting

 

the

 

Extech

 

PM120

 

Power

 

Meter.

 

The

 

PM120

 

monitors

 

and

 

records

 

power

 

usage

 

of

 

home

 

and

 

work

 

appliances

 

for

 

energy

 

conservation

 

and

 

cost

 

reduction

 

analysis.

 

The

 

power

 

meter

 

measures

 

the

 

voltage,

 

current,

 

power,

 

and

 

power

 

factor

 

as

 

well

 

as

 

total

 

time,

 

cost,

 

and

 

energy.

 

The

 

PM120

 

is

 

equipped

 

with

 

a

 

high

precision

 

current

 

sensor

 

giving

 

real

time

 

monitoring

 

of

 

AC

 

power

 

supply

 

units.

 

It

 

features

 

an

 

alarm

 

and

 

power

 

cut

off

 

for

 

safety.

  

This

 

device

 

is

 

shipped

 

fully

 

tested

 

and

 

calibrated

 

and,

 

with

 

proper

 

use,

 

will

 

provide

 

years

 

of

 

reliable

 

service.

 

Please

 

visit

 

our

 

website

 

(www.extech.com)

 

to

 

check

 

for

 

the

 

latest

 

version

 

and

 

translations

 

of

 

this

 

User

 

Manual,

 

Product

 

Updates,

 

Product

 

Registration,

 

and

 

Customer

 

Support.

 

Features

 

 

 

Large

 

dual

 

LCD

 

manually

 

displays

 

electrical,

 

cost,

 

and

 

metering

 

functions

 

in

 

real

time.

 

 

Electrical

 

safety

 

transfer

 

function

 

when

 

connecting

 

this

 

product

 

to

 

a

 

socket

 

and

 

then

 

plugging

 

the

 

electrical

 

appliance

 

into

 

this

 

product.

 

 

Over

current

 

warning

 

function.

 

 

Primary

 

LCD

 

shows

 

voltage,

 

current,

 

power,

 

power

 

factor,

 

or

 

frequency.

 

 

Secondary

 

display

 

shows

 

total

 

time,

 

cost,

 

set,

 

or

 

energy.

 

 

Enter

 

electric

 

charge

 

(cost

 

setting)

 

to

 

calculate

 

and

 

display

 

kWh.

 

 

Display

 

cost

 

of

 

operation

 

in

 

minute,

 

hour,

 

day,

 

and

 

week.

 

 

Battery

 

backup

 

stores

 

data

 

when

 

removed

 

from

 

outlet.

 

 

Three

 

prong

 

standard

 

US

 

plug

 

and

 

front

 

socket

 

for

 

easy

 

connection.

 

 

Safety

 

Information

 

To

 

ensure

 

the

 

safe

 

operation

 

and

 

service

 

of

 

the

 

meter,

 

follow

 

these

 

instructions

 

closely.

 

Failure

 

to

 

observe

 

warnings

 

can

 

result

 

in

 

severe

 

injury.

 

WARNINGS

 

WARNINGS

 

identify

 

hazardous

 

conditions

 

and

 

actions

 

that

 

could

 

cause

 

BODILY

 

HARM

 

or

 

DEATH.

  

 

Check

 

the

 

housing

 

for

 

cracks

 

or

 

missing

 

plastic

 

especially

 

surrounding

 

the

 

plug.

 

Do

 

not

 

use

 

if

 

any

 

part

 

of

 

the

 

meter

 

is

 

damaged.

 

 

Verify

 

the

 

meter’s

 

operation.

 

Do

 

not

 

use

 

if

 

the

 

meter

 

responds

 

abnormally

 

as

 

the

 

internal

 

structure

 

may

 

be

 

damaged.

 

 

Use

 

the

 

meter

 

only

 

as

 

specified

 

in

 

this

 

User

 

Guide

 

or

 

accompanying

 

Quick

 

Start

 

to

 

avoid

 

compromising

 

the

 

protections

 

provided

 

by

 

the

 

meter.

 

 

Do

 

not

 

exceed

 

the

 

rated

 

power

 

or

 

current

 

of

 

this

 

meter.

 

 

Do

 

not

 

expose

 

the

 

meter

 

to

 

extremes

 

in

 

temperature

 

or

 

to

 

high

 

humidity.

  

 

Keep

 

this

 

meter

 

away

 

from

 

children.

 

 

Do

 

not

 

use

 

the

 

meter

 

in

 

the

 

presence

 

of

 

explosive

 

gas,

 

vapor

 

or

 

dust.

 

 

To

 

reduce

 

risk

 

of

 

fire

 

or

 

electric

 

shock,

 

do

 

not

 

use

 

the

 

meter

 

if

 

it

 

is

 

wet

 

and

 

do

 

not

 

expose

 

the

 

meter

 

to

 

moisture.

 

Meter

 

Description

 

1.

 

Primary

 

Display:

 

See

 

M

 

for

 

functions.

 

2.

 

Secondary

 

Display:

 

See

 

M

 

for

 

functions

 

3.

 

M:

 

Cycles

 

through

 

secondary

 

display

 

functions:

 

Total

 

Time,

 

Cost,

 

Energy

 

and

 

the

 

corresponding

 

values

 

of

 

each

 

selection.

 

4.

 

M:

 

Cycles

 

through

 

primary

 

display

 

functions:

 

Voltage,

 

Current,

 

Power,

 

Power

 

Factor,

 

Frequency

 

and

 

the

 

corresponding

 

values

 

of

 

each

 

selection.

  

5.

 

Appliance

 

outlet

 

6.

 

SET:

 

Long

 

press

 

to

 

set

 

the

 

cost

 

in

 

$/kWh

 

7.

 

+/RESET:

 

Short

 

press

 

to

 

increase

 

the

 

digits.

 

Long

 

press

 

to

 

reset

 

the

 

Energy

 

or

 

Cost

 

functions.

 

Short

 

press

 

to

 

wake

 

the

 

power

 

monitor

 

from

 

sleep

 

mode.

  

Operation

 

Measurement

 

Plug

 

the

 

PM120

 

into

 

a

 

household

 

socket

 

to

 

being

 

measuring.

 

The

 

display

 

will

 

power

 

on

 

and

 

enter

 

default

 

measurement

 

display

 

(Voltage

 

and

 

Total

 

Time).

 

 

Select

 

the

 

Mode

 

 

Short

 

press

 

the

 ↑

M

 

button

 

to

 

scroll

 

through

 

primary

 

display

 

functions.

 

The

 

meter

 

will

 

cycle

 

through

 

Voltage,

 

Current,

 

Power,

 

Power

 

Factor

 

and

 

Frequency.

 

Long

 

press

 ↑

M

 

to

 

return

 

to

 

default

 

‘Voltage’

 

mode.

  

 

Short

 

press

 

the

 ↓

M

 

button

 

to

 

scroll

 

through

 

secondary

 

display

 

functions.

 

The

 

meter

 

will

 

cycle

 

through

 

Total

 

Time,

 

Cost,

 

and

 

Energy.

 

Long

 

press

 ↓

M

 

to

 

return

 

to

 

default

 

‘Total

 

Time’

 

mode.

 

Total

 

Time

 

Check

 

the

 

time

 

by

 

pressing

 

the

 

+/RESET

 

button.

 

If

 

the

 

accumulated

 

time

 

is

 

less

 

than

 

1

 

day,

 

only

 

Hour

 

and

 

Min

 

will

 

display.

 

If

 

the

 

accumulated

 

time

 

exceeds

 

1

 

day,

 

the

 

LCD

 

will

 

only

 

display

 

‘Day’.

 

To

 

view

 

the

 

hour

 

and

 

minute

 

display,

 

short

 

press

 

the

 

+/RESET

 

button.

 

 

 

    

Total

 

Time

 

in

 

Days

           

Total

 

Time

 

in

 

Hour:Min

       

Total

 

Time

 

since

 

power

 

ON

 

 

Note:

 

If

 

the

 

meter

 

is

 

above

 

the

 

rated

 

current,

 

the

 

display

 

will

 

show

 

a

 

warning

 

in

 

the

 

primary

 

display

 

and

 

OL

 

in

 

the

 

secondary

 

display.

 

Both

 

displays

 

and

 

the

 

power

 

light

 

will

 

flash.

 

 

 

    

Warning

 

Icon

 

and

 

Overload

 

         

Power

 

OFF

 

 
 

1

2

3
4

5

6

7

Отзывы: