PCE Instruments PCE-PFM 2 User Manual

PCE Americas Inc. 711 Commerce Way Suite 8 Jupiter FL-33458 USA From outside US: +1 Tel: (561) 320-9162 Fax: (561) 320-9176 info@pce-americas.com
www.pce-instruments.com/english
www.pce-instruments.com
PCE Instruments UK Ltd.
Units 12/13
Southpoint Business Park
Ensign way
Hampshire / Southampton
United Kingdom, SO31 4RF
From outside UK: +44
Tel: (0) 2380 98703 0
Fax: (0) 2380 98703 9
info@pce-instruments.com
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Contents
Page
1 .Features ....................................................................................................... 3
2.Specifications .............................................................................................. 3
3.Button ......................................................................................................... 5
4.Display Elements .......................................................................................... 6
S.Changing Setup Options ............................................................................ ]
5-1.Setup Options ........................................................................................ ]
5-2.Entering
or
Exiting Setup ......................................................................
:~
5-3.Changing a Setup Option ......................................................................
:]
5-4.Duct dimension units Setting ................................................................. ]
5-5.Duct Shape and Parameters Setting ....................................................... ß
5-6.Choose Duct Shape ...............................................................................
.a
5-7 .Parameters Setting ................................................................................ ,s
5-B.Auto Power
Off
Mode
............................................................................ g
5-9.Menu Setting .........................................................................................
~
0
5-1
O.Ciear
Memory Setting ..........................................................................
~
o
5-11.Measuring Pressure ................. ·····························································11
5-1
2. Measu ring Velocity ..............................................................................
·12
5-13.Measuring Flow .................................................................................... 13
5-14.Displaying Temperature ........................................................................ 13
5-15.Holding
the
Displayed Readings ........................................................... 13
5-16.Viewing
the
MIN, MAX, and AVG Readings .........................................
,n
5-17 .Saving Samples .................................................................................... ~ 3
5-18.Recall and Clearing Sampie Data ..........................................................
14
5-19.Error Codes .......................................................................................... ~ 5
5-20.Replacing
the
Batteries ......................................................................... 15
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1.Features
• Larger
LCD
display
with
backlight.
Relative
time
clock on
MAX
MIN and
AVG
provides a time reference
for
measurement.
• Pressure, velocity
or
air
flow
measurement provides Zero Adjust.
• Display pressure, Airvelocity
or
air
flow
plus environment Temperature simultaneously.
Easy
to
calculate
the
area
of
a reetangular
or
circular duct.
USB
interface,
USB
to
UART
Bridge Controller
..
• Low battery indication, and
Auto
Power
Off
mode (Sieep mode) increases.
2 .Specifications
2-1.General Specifications
Operating Conditions Storage Conditions Power
Supply
Low
Battery lndicator Dimensions Relative Humidity
0
to
50°C
-10
to
60°C
1 X
9V
Battery
Yes
203mmx75mmx50mm Non condensing (<10°C)
90%
RH
(1
ooc
to
30°C)75%
RH
(30°C
to
40°C)45%
RH
(40°C
to
50°C)(Without Condensation)
2-2.Manometer
specification
Accuracy
±0.3%FS0(25°C)
Repeatability
±0.2%
(Max.+/-0.5%
FSO)
Linearity/Hysteresis
±0.29%
FSO
Pressure Range
5000
Pa
Maximum Pressure
10psi
Response Time
0.5 Seconds typical
Over range lndicator
Err.1
Under range lndicator
Err.2 Units
Range
Resolution
PSI
0.7252
0.0001
mbar
50.00
0.01
inH20
20.07 0.01
mmH20
509.8
0.1
Pa
5000 1
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1 psi*27 .68=inH
2
0
1 psi*68.947=mbar 1 psi*703.072= 1
*mmH
2
0
1 psi*6894.6=Pa
FSO:Full
Scale
Output
2-3.Range
of
Air
Velocity
Air
Velocity
mls(meter
per second)
ft/min(feet per minute) km/h(kilometers per hour) MPH(miles per hour) Knots(nautical miles per hour)
2-4.Rang
of
Air
Flow
Air
Flow Range
Range
1.00-80.00
200-15733
3.6-288.0
2.24-178.66
2.0-154.6
CFM
0-99.999ff/min
CMM 0-99.999rn3/rnin
CFM(ff/min)
=Air
Velocity(ft/min)
xArea(ft
2
)
CMM(m3/min)=Air
Velocity(rn/s)xArea(m2)X60
CFM:
cubic feet per minute
CMM: cubic meters per minute
2-S.Range
of
Temperature
Resolution
Accuracy
0.01
±2.5%
of
reading
at
10.00
m/s
1
accuracy
is
function
0.1
of
velocity and duct
0.01
size
0.1
Resolution
0.0001
to
100
0.001
to
100
Range Resolution Accuracy
oc
0
to
50.0°C
0.1
±1.0°C
OF
32.0
to
122.0°F
0.1
±2.0°F
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3.Button
1.Press
~
to
turn
the
thermometer
on
or
off.
2.Press
"MAN/MIX"
to
step through
the
maximum, minimum, and average readings.
To
exit
the
MANJMIX/AVG mode, press
the
"MAN/MIX"
button
for
2 seconds
to
return
to
normal operation.
3.Press
"PN/F"
to
show
the
air
velocity, press "PN/F" secondly
to
show
the
high
and length
of
a reetangular
or
the
diameter circular duct,
press
"PN/P' thirdly
to
show
the
air
flow,
press "PNIF"
to
showdifferential
pressure again.
4.Press
"Hold/Zero"
to
freeze
or
unfreeze
the
displayed readings.
Press
"Hold/Zero"
button
and hold 2 seconds
to
zeroout
the
display.
S.Press
"Save/Ciear"
button
to
store sample data.
Or
press "Save/Ciear"
button
to
clear sample data in
Recall
mode.
6.Press
"Setuplf<"
button
to
turn
on
the
backlight.
Press
it
again
to
turn
off
the
backlight.
Press
"Setup;fl"
button
for
3 seconds
to
start
or
exit
Setup.
(See
"Changing Setup Options.")
7.Press
"Unit"'"
to
changes
the
temperature units. ln Setup mode, press "Unit.._•
to
scroll
to
the Setup option you
want
to
change
or
press
"Unit
.._
..
to
increase
the
displayed setting. ln
Recall
mode,
press
"Unit.._•
to
select
the
desired sample number.
8.Press
"UnitT"
to
Changes secondly showing
number
units. ln Setup mode,
press
"UnitT"
to
scroll
to
the
Setup option you
want
to
change
or
press
"UnitT"
to
increase
the
displayed setting. ln
Recall
mode, press •unit..6."
to
select
the
desired sample number.
9.Press
"Avg/Rec"
button
and hold 2 seconds
to
enter
Recall
mode. ln
Recall
mode,
press
"Avg/Rec"
to
calculate
the
sample data.
ln
Setup mode, press "Avg/Rec•
button
to
enter
a Setup
option.
Press
"Avg/Rec" again
to
store
the
displayed
setting in memory.
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4.Display Elements
1.min :
sec
or
hour:
min
Display
..
2.Pressure, Velocity, Flow
or
temperature modes are active
3.Primary
Display.
4.Units
of
air
velocity.
S.Units
of
pressure.
6.The indication
of
meter communicating
to
PC.
7 .Auto Power Off mode indicators.
8.Duct
Shape choices.
9.Low battery indicator.
Replace
the
battery
as
soon
as
the
low
battery indicator appears.
1 O.Data
Hold indicator.
11
.The units
of
H, W
or
D.
12.Entering
or
exiting setup mode.
13.1ndicates that a stored sample (or all
samples)
is
about
tobe
deleted from memory.
14.The
sample memory is being accessed and
the
number
of
samples.
15.Annunciators showing
that
sample memory
is
being accessed.
16.REC,
MAX, MIN and
AVG
indicators.
17 .Temperature units
of
primary display.
18.Units
of
air
flow.
19.Temperature units
of
secondly display.
20.Digits
for
temperature and time.
20
1
--
-
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88=
2 TEMP
8
·c
- - 19
"F
PRESS
VEL
FLOW
CFM CMM -
--
18
3
-88888
4--
---1
knol8
MPH ft/mln m/a km/ h "F
'c,---
17
5
PSI
mbar lnH.O mmH.O
Pa
6
PC
REC
MAX MIN
AVGi-----16
7
4:::nl!
:~
8 9
10
1112
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S.Changing
Setup
Options
Use Setup
to
chose
duct
shape and set
the
duct
parameters. Sleep
mode,
MaX/min/avg mode menu setting and clear memory.
The
thermometer stores
the
settings in its memory.
5-1.Setup
Options Option Menu item Settings Duct dimension units
Unit
Set duct dimension units in
orcm
Duct Shape and parameters Duct Shape set area
of
measuring
air
flow
Auto
Power
Offmode
SLP
auto
off
or
on
menu setting
ENU
1, 2,or 3
clear Memory Mem clear
Yes
or
No
S-2.Entering
or
Exiting Setup
When
the
thermometer
is
in Setup mode, the display shows
SETUP.
Press
"Setup~"
button
for
2 seconds start
or
exit Setup.
S-3.Changing a Setup
Option
Press
•unit.&."
or
"Unit'Y •
to
scroll
to
the
setup option you
want
to
change.
Press
•Avg/Rec"
to
indicate
that
you
want
to
change this setting.
Press
•unit
.&.
"or
"Unit'Y • until the setting you want
to
use
appears on the display.
Press
"Avg/Rec"
to
store the new setting in memory.
Notes: Setup
is
disabled in
MIN
MAX/AVG mode.
S-4.Duct
dimension
units
Setting
•When
the
meter
is
in Setup mode,
Press
"Unit
.&."
or
•unit'Y"
to
scroll
to
the duct
•dimension units setup option.
Press
•Avg/Rec" button.
lt
shows
"in"
or
"cm"
on
the
display.
•Press •unit.&."
or
"Unit"Y•
to
scroll
to
the
setup option you
want
to
change.
Press
•Avg/Rec"
to
store
the
new setting in memory.
IET\JP IET\JP
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5-S.Duct Shape
and
Parameters
Setting
When the meter
is
in parameters setup mode.
The
screen
is
show number
of
the
last duct shape and size
that
is entered.
lf
the
duct
is different
than
the
stored
version, then find the proper duct type
for
the measurement (rectangular
or
round).
5-6.Choose Duct Shape
•When
the
meter
is
in
setup mode,
Press
"Unit
.&."
or
"Unit
T"
to
scroll
to
the
duct
shape setup option.
•Press •Avg/Rec" button. The screen shows the ••"(rectangle)
or
"e"(circular).
•Press •unit.&."
or
"Unit'Y•
to
scroll
to
the setup option you
want
to
change.
Press
•Avg/Rec"
to
store the new setting in memory and enter parameters setup
option.
Duot
Bhope
5-7 .Parameters Setting
IETUP
Duct
IETUP
•'-.
•lf
duct
is
rectangle, the height
of
duct numbers and
"H="will
be
first shown in
the primary show.
•Press •unit.&."
or
"Unit'Y•
button
to
select
the
decimal point.
•Press •save/Ciear"
to
change the station
offlashing
digit
and
press
"Unit.&."
or
to
"UnitT"
change
the
flashing
digit
from 0
to
9.
•Pres "Avg/Rec"
button,
the
width
of
duct
numbers and
"W="will
be
shown in
the primary show.
Press
•PN/F" button
to
select
the
next digit.
Press
•save/Ciear"
to
change the station
offlashing
digit
and
press
"Unit
.&."
or
to
"UnitT"
change
the
flashing
digit
from 0
to
9.
Press
•Avg/Rec"
to
store the new parameters in memory.
•lf
duct
is
circular, the diameter
of
duct
numbers and
"D="will
be
shown in
the
primary show then select the duct diameter
that
you want
to
use
in the
same
way.
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UE[I
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H•
Duc1 • IET\.IP
lhopo
ln
5-S.Auto
Power
Off
Mode
UE[I
UUBl6
Duc1
.W.
IET\.IP
lhopo
ln
The meter enters sleep mode (default). That is
to
say,
the
meterwill
automatically
shut
off
after 20 minutes
if
no buttonpress occurs
for
20 minutes. When
the
meter
is in
Setup mode,
the
display shows
SETUP.
Press
"Unit
A
11
or
"UnitT
11
to
scroll
to
the
"SLP" page .
Press
"Avg/Rec•
to
indicate
"On"
or
"OFF".
Press
"UnitA•
or
"UnitT"
until
the
setting you
want
to
use
appears
on
the
display.
Press
•Avg/Rec''
to
store
the
new
setting in memory.
On
(sleep mode
on)
or
OFF
(sleep mode off).
aFF
SLEEP
SLEEP
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5-9.Menu
Setting
•When
the
meter is
in
Setup mode,
Press
"Unit
.&
or
"Unit
."..
to
scroll
to
the
Mode Menu setup option.
•Press
•unit
.&"
or
"Unit'f'•
to
scroll
to
the
setup option you
want
to
change.
•There are three choices
for
selecting.
"1".
Displaypressure and air velocity value.
"2".
Displayair velocity and
air
flow
value.
"3".
Display pressure, air velocity and air
flow
value.
Press
•Avg/Rec"
to
store
the
new setting in memory.
BI!'T\IP
BI!'T\IP
5-1
O.Ciear
Memory
Setting
•When
the
meter
is
in
Setup mode,
Press
"Unit.A." or
"Unit'f'"
to
scroll
to
the
clear
memory setup option.
Press
"Save/Ciear''
to
select the desired sample.
There
are three
choices
for selecting.
PRESS
VEL
FLOW:
clear all pressure, velocity and
flow
sample data.
PRESS:
clear all pressure sample data.
VEL:
clear all velocity sample data.
FLOW:
clear all
flow
sample data.
•Press
•unit
.&"
or
"Unit'f'•
until
the
display
show
''YES",
Press
"Avg/Rec" , then
clear
the
memory.
~ES
PRall VEL FIDW
RLL
RLL
II!'T\IP
II!'T\IP
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5-11.Measuring
Pressure
The
Primary Display number
is
Pressure
value,
the
device measures Gauge/Differential
Pressure
5000Pa,
it
features 5 selectable units
of
measure:
PSI,
mbar,
Pa,
inH
2
0,
mmH
2
0.
Press
•PN/F"
to
enter
the
pressure mode and press
"Unit
T"
to
select unit.
•Connect a single
hose
to
the
"Input ( +
}"
port, leaving
the
"Ref
(-}"
port
unconnected.
•With
the
tubing
open
to
ambient
conditions
press and
hold
"Hold/Zero"
for
2
seconds
to
zeroout
the
display.
Place
the
input
hose in a different zone
than
the
Meter.
•The
Meterdisplays
the
differential
pressure
of
the
input
zone
with
respect
to
the
reference zone. For instance, a positive reading means
that
the
input
zone
is
positively pressured
with
respect
to
the
Meter location
or
its reference zone.
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5-12.Measuring
Velocity
The
Meter
uses
standard ambient conditions (temperature=21.1
ocno
0
F,
barometric
pressure= 14.7
PSI
I 1013 mbar),
to
approximate actual velocity and flow.
The primary display number
is
air velocity,
the
device measures air velocity, and
it
features 5 selectable units
of
velocity measure:
rn/s,
ft/min, krn/h,
MPH,
knots.
Press
•PN/F"
to
enter Velocitymode and
press
"Unit
.,.
..
to
select unit.
•Connect
the
hoses
to
the
pitot
tube and
to
the
Meter. The
"Input(+)"
pressure
port
on the Meter connects
to
the
white
hose from the total pressure connection
of
the
pitot
tube.
The
"Ref (-)" pressure
port
on the Meter connects
to
the black
hose
from
the
static pressure connection
of
the
pitot
tube.
the
tubing
open
to
ambient conditions
press
and
hold "Hold/Zero" for 2
seconds
to
zero
out
the
display.
•When make
the
measurement,
the
pitot
tube
tip
should against
the
measured
wind
as
shown
in
upper figure, and ensure
that
the
axis
of
the
duct
is
aligned
with
the
fluid
flow
for
± 10°.
lf
Measure Velocity measures negative and
show
"Error"on
the
display, check
to
make sure
that
the
hoses are attached
to
the
correct ports on
the
Meter and
the
pitot.
3UB~
83
6l
Pitot
Tube
Connection
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5-13.Measuring
Flow
Press
•PN/F"
to
enter air
flow
mode and
press
"Unit
T"
to
select
unit
..
•The Metershows
the
duct
shape and
size.
The
Meterstores the last
duct
shape
and
size
that
is
entered.
lf
the
duct
is
different
than
the
stored version, press
"Setup;f<"
button
to
find
the
proper duct type for the measurement (rectangular
or
round). Refer
to
Step duct shape and parameters setting
..
("Changing Setup
Options.")
Notes: HOLD,
Save,
MIN/MAX/AVG, Zero, and Setup
can
be
used
when measuring pressure,
velocity and flow.
5-14.Displaying
Temperature
Ambient
temperature
is displayed an
the
secondly
show
as
a reference. The
temperature
can
be
displayed in either
oc
or
0
F.
Press
•unit.._"
to
select
unit
oc
or
0
F.
5-1S.Holding
the
Displayed Readlngs
Press
•Hold/Zero"
to
freeze
the
readings an
the
display
.The
display shows
HOLD.
Press
•Hold/Zero" again
to
turn
off
the
HOLD
function
5-16.Viewing
the
MIN, MAX,
and
AVG
Readings
Press
•MAN/MIX"
to
step through the maximum (MAX), minimum (MIN),
or
the
average
(AVG)
readings. The elapsed
time
since entering MAXI MIN/AVG mode,
or
the
time
at
which
the
minimum
or
maximum occurred appears on
the
display.
Press
•PN/F"
to
show
the
maximum, minimum, and average
of
pressure, velocity
or
flow, and temperature value.
•Press •MAN/MIX"
button
for
2 seconds
to to
exit MAXIMIN/AVG mode.
5-17.Saving Sampies
The Meter
saves
various samples in its three
major
modes.
Ta
save a sample,
do
the followi ng:
•When taking a sample, press "Save/Ciear''
to
store
the
sample. The
Meter
can
save
up
to
99 samples in each
of
its three modes.
•lf
the
memory
is
full (99 samples have been stored),
more
samples cannot be
stored.
lf
the
user attempts
to
store another sample,
the
Metershows "
FU"
and
does
not
save
new
readings.
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5-18.Recall
and
Clearing Sampie
Data
•The Meterstores data
that
semetime
will
need
tobe
recall and periodically
tobe
cleared. Individual samples
or
the
entire data
memory
can be cleared. When
the
memory
is
full (99 samples),
it
shows"FU" (Full) on
the
display
when
"Save/Ciear''
is
pressed and
the
Meter emits short beeps and will
not
save
any value unless some
samples are cleared.
To
recall sample data,
do
the
following:
Press
•PN/F"
to
recall samples
forthat
mode.
Press
"Avg/Rec" (RECALL)and
hold
the
button
for
2 secend
to
recall samples.
The last measurement
saved
appears first.
Use
"Unit
...
" and
"Unit
T"
to
locate
the
desired sample.
•Once
the samples are taken, press •Avg/Rec"
to
view
the
average
of
all
the
samples.
Press
•Avg/Rec" and hold
the
button
for
2 secend
to
exit recall mode.
To
clear individual sample data,
do
the
following:
Press
•PN/F"
to
recall samples
forthat
mode.
Press
•Avg/Rec"
(RECALL)
and hold
the
button
for
2 secend
to
recall samples.
Use
"Unit
.....
and
"Unit
T"
to
select
the
desired sample.
Press
"Save/Ciear''
to
clear
the
sample. Note
that
the
number
of
samples displayed
is
reduced.
Press
•Avg/Rec" and
hold
the
button
for
2 secend
to
exit recall mode.
To
clear
all sample
data, Refer
to
Step clear memory setting .. ("Changing Setup Options.")
REC
PAS&
83
...
IIEM
62
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5-19.Error Codes
An error messagewill appear
on
the
display
if
the
meter fails an internal diagnostic
test. And
it
will
freeze all
the
buttons.
OL: Pressure
or
air
velocity value
is
over
the
range.
-OL:
Pressure value
is
below
the
range.
Error:
air
velocity
or
air
flow
is
below
the
range.
5-20.Replacing
the
Hatteries
•Turn
off
the
thermometer
if
necessary.
• Loosen
the
screw and remove
the
battery door.
• Replace 9V batteries.
• Replace
the
battery
door
and
tighten
the
screw.
...
··
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