VELOCICALC AIRFLOW 9555 Quick Reference

A

Ventilation Test Instruments

9555 Menu Structure and Quick Reference

Application Note TSI-145

Pressure Ports

Battery Indicator

Additional Messages

Primary Parameter

ctivity Area

Secondary Parameters

Soft Key Indicators

Soft Keys

Keypad Functions

ON/OFF Key

Arrow (ST) Keys

 (Enter) Key

Arrow (gor h) and
Menu Soft Keys

Press to turn the A
display will show the following: Model Number, Serial Number, Software
Revision and Last Date Calibrated.

Press to scroll through choices while setting a parameter. Pressing the
keys simultaneously will lock the keypad to prevent unauthorized adjustments
to the instruments. To unlock the keypad, press the

Press to accept a value or condition.

Press arrow keys to change choices while setting a parameter. Press the Menu
soft key to select the Menu selections, which are Display Setup, Pressure Zero,
Settings, Flow Setup, Actual/Std Set up, Data Logging, Applications, Calibra­tion and Printer.

IRFLOW 9555 on and off. During the power up sequence the

ST

ST keys simultaneously.

Next Test

Menu

Stats

Main Soft Keys

• Increments to the next available test ID.

• Accesses the main and sub-menus

• Displays the average, minimum, and

maximum readings of the current Test ID.

o Statistics can also be viewed from

the Data Logging menu.

Common Terms

Sample

Consists of all of the measurement parameters stored at the same time.

Test ID

Time Constant

Logging Interval

A group of samples. The statistics (average, minimum, maximum, and count)
are calculated for each test ID. The maximum number of test IDs is 100.

The time constant is an averaging period. It is used to dampen the display. If
you are experiencing fluctuating flows, a longer time constant will slow down
those fluctuations. The display will update every second, but the displayed
reading will be the average over the last time constant period. For example, if
the time constant is 10 seconds, the display will update every second, but the
displayed reading will be the average from the last 10 seconds. This is also
referred to as a “moving average”.

The logging interval is a frequency period that the instrument will log read­ings. For example, if the logging interval is set to 30 minutes, each sample will
be the average of the last 30 minutes.

Log Mode/Log Settings

You can set Log Mode to Manual, Auto-save, Cont-key, Cont-time, Program 1 or Program 2.

• Manual mode does not automatically save data, but instead prompts the user to save a sample.

• In Auto-save mode, the user manually takes samples that are automatically logged.

• In Cont-key mode, the user starts taking readings and logging by pressing the  key. The in-

strument will continue taking measurements until the  key is pressed again.

• In Cont-time mode, the user starts taking readings by pressing the  key. The instrument will

continue taking samples until a set period of time has passed.

• Auto-save, Cont-Key and Cont-time modes have the following additional Log Settings:

Log Settings

Mode

Auto-save Log Interval
Cont-key Log Interval
Cont-time Log Interval

Test Length

• Pressing the

ments to the instruments. To unlock the keypad, press the

ST keys simultaneously will lock the keypad to prevent unauthorized adjust-

ST keys simultaneously.

-2-

DISPLAY SETUP

• When set to ON, measurement

will be displayed as a secon­dary parameter (up to 4 can be
displayed)

• When set to PRIMARY, meas-

DISPLAY SETUP
Velocity *ON
Flow OFF
Pitot Velocity OFF
Pressure ON
Temperature ON
Baro Press OFF

urement will be the large num­ber on the display

• When set to OFF, measurement

ON PRIMARY OFF

will not be displayed

To zero the pressure reading,
select Pressure Zero.

MENU
Zero Press
Display Setup
Settings
Flow Setup
Actual/Std Setup
Data Logging
Zero CO
Applications
Calibration
Discover Printer

This function identifies and part­ners the instrument with the
model 8934 Bluetooth portable
printer

CALIBRATION
Calibrate Temp
Calibrate Vel
Calibrate %RH
Calibrate Press
Calibrate B.P.
Calibrate CO2
Calibrate CO
Restore Factory Cal

APPLICATIONS
Draft Rate
Heatflow
Turbulence
% Outside Air

Settings menu is where you can adjust
the general settings. Use the g or h
soft keys to adjust the settings for each
option and use the  key to accept
settings.

SETTINGS

Language English
Beeper Disable
Select Units
Time Constant 1 Second
Contrast 5
Set Time 09:14 AM
Set Date 10/31/08
Time Format 12 hr
Date Format
Number Format
Backlight Auto
Auto Off Enable

---- ----

MM/DD/YY
XX,XXX.YY

See Next Page

If a CO probe is
attached, this func­tion will zero the
CO sensor

RESTORE FACTORY CAL
Restore Temp
Restore Vel
Restore %RH
Restore Press
Restore B.P.
Restore CO2
Restore CO

LANGUAGE

English

German

French
Spanish
Swedish

Finnish

Dutch
Italian

SELECT UNITS
Temperature °F
Velocity ft/min
Flow CFM
Heatflow BTU/h
Pressure in.H2O
Baro Press in.Hg

ACTUAL/STD SETUP
Setting Standard
Temp source Entered
Standard temp 70.0 F
Standard Press 29.92 in.Hg

RESTORE TEMP

Are you Sure?

FLOW SETUP
Flow Type
Enter Settings

SETTING

Standard
Actual

TEMP SOURCE

Entered Temp 70°F

Probe

Thermocouple 1

Thermocouple 2

Round Duct

FLOW TYPE

Round duct
Rect duct
Duct area
Press/Kfact
Horn
Air cone

ENTER SETTINGS

12.0 in dia

9555 Menu Structure

YES NO

MEASUREMENTS

• Measurements being logged

are independent of meas­urements on the display

• When set to ON, measure-

ment will be logged to
memory

MEASUREMENTS
Temperature
Velocity
Flow
Heatflow
Pressure
Baro Press

ON DISPLAY OFF

DISPLAY
DISPLAY
DISPLAY
OFF
DISPLAY
ON

LOG MODE

Manual
Auto-save
Cont.-key
Cont.-time
Program 1
Program 2

• When set to DISPLAY,

measurement will be logged
to memory if it is visible on
the main running screen

• When set to OFF, measure-

ment will not be logged to
memory

DATA LOGGING
Measurements
Log Mode Manual
Log Settings
Choose Test Test 001

CHOOSE TEST

Test 001 9 Samples
Test 002 7 Samples
Test 003 0 Samples
Test 004 0 Samples
Test 005 0 Samples
Test 006 0 Samples
Test 007 0 Samples
Test 008 0 Samples
Test 009 0 Samples
Test 010 0 Samples

--- ---­NEW DATES

NAME TEST

T e s t 0 0 1

0 1 2 3 4 5 6 7 8 9

A B C D E F G H I J
K L M N O P Q R S T
U V W X Y Z _ ←

SAVE

Name Test
View Data
Delete Data

DELETE ALL

% Memory

Are you sure?

MEMORY

Test ID 83 %

Sample 92 %

DELETE DATA
Delete All
Delete Test
Delete Sample

YES NO

9555 Menu Structure

SAMPLE TIME

00:05

Min:Sec

OR

Choose Test
View Stats
View Samples
Print Test

DELETE TEST

Test 001 8 Samples
Test 002 5 Samples
Test 003 0 Samples
Test 004 0 Samples
Test 005 0 Samples
Test 006 0 Samples
Test 007 0 Samples
Test 008 0 Samples
Test 009 0 Samples
Test 010 0 Samples

--- ---­DATES

If Log Mode is set to Auto­save, Sample Time can be
adjusted.

LOG SETTINGS

Log Interval 00:01
Test Length 00:00:01

VIEW DATA

Test 001

If Log mode is set to Cont.­time or Cont.-key, then the
log interval and test length
can be adjusted

TEST 001

Pressure

Avg 35.4 Pa
Min 27.4 Pa
Max 47.9 Pa
# Samples 3

10/31/08 07:01:39 AM

PRINT

DELETE SAMPLE

Test 001 8 Samples
Test 002 5 Samples
Test 003 0 Samples
Test 004 0 Samples
Test 005 0 Samples
Test 006 0 Samples
Test 007 0 Samples
Test 008 0 Samples
Test 009 0 Samples
Test 010 0 Samples

--- ---­DATES

LOG INTERVAL

00:05

Min:Sec

TEST LENGTH

00 : 00 : 05

Day:Hour:Min

DELETE SAMPLE

10/31/08 04:55:03 PM

Test 002
Sample 5

DELETE

→

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