TSI Instruments IAQ50 Manual de usuario

Indoor Air Quality

Meter

Model IAQ50

OWNER’S MANUAL

LIMITATION OF WARRANTY AND LIABILITY

Seller warrants the goods sold hereunder, under normal use and service as described

in the operator's manual, shall be free from defects in workmanship and material for

twenty-four (24) months, or the length of time specified in the operator's manual, from

the date of shipment to the customer. This warranty period is inclusive of any statutory

warranty. This limited warranty is subject to the following exclusions:

a. Hot-wire or hot-film sensors used with research anemometers, and certain other

components when indicated in specifications, are warranted for 90 days from the

date of shipment.

b. Parts repaired or replaced as a result of repair services are warranted to be free

from defects in workmanship and material, under normal use, for 90 days from

the date of shipment.

c. Seller does not provide any warranty on finished goods manufactured by others or

on any fuses, batteries or other consumable materials. Only the original

manufacturer's warranty applies.

d. Unless specifically authorized in a separate writing by Seller, Seller makes no

warranty with respect to, and shall have no liability in connection with, goods

which are incorporated into other products or equipment, or which are modified by

any person other than Seller.

The foregoing is IN LIEU OF all other warranties and is subject to the LIMITATIONS

stated herein. NO OTHER EXPRESS OR IMPLIED WARRANTY OF FITNESS FOR

PARTICULAR PURPOSE OR MERCHANTABILITY IS MADE.

TO THE EXTENT PERMITTED BY LAW, THE EXCLUSIVE REMEDY OF THE USER

OR BUYER, AND THE LIMIT OF SELLER'S LIABILITY FOR ANY AND ALL

LOSSES, INJURIES, OR DAMAGES CONCERNING THE GOODS (INCLUDING

CLAIMS BASED ON CONTRACT, NEGLIGENCE, TORT, STRICT LIABILITY OR

OTHERWISE) SHALL BE THE RETURN OF GOODS TO SELLER AND THE

REFUND OF THE PURCHASE PRICE, OR, AT THE OPTION OF SELLER, THE

REPAIR OR REPLACEMENT OF THE GOODS. IN NO EVENT SHALL SELLER BE

LIABLE FOR ANY SPECIAL, CONSEQUENTIAL OR INCIDENTAL DAMAGES.

SELLER SHALL NOT BE RESPONSIBLE FOR INSTALLATION, DISMANTLING OR

REINSTALLATION COSTS OR CHARGES. No Action, regardless of form, may be

brought against Seller more than 12 months after a cause of action has accrued. The

goods returned under warranty to Seller's factory shall be at Buyer's risk of loss, and

will be returned, if at all, at Seller's risk of loss.

Buyer and all users are deemed to have accepted this LIMITATION OF WARRANTY

AND LIABILITY, which contains the complete and exclusive limited warranty of Seller.

This LIMITATION OF WARRANTY AND LIABILITY may not be amended, modified or

its terms waived, except by writing signed by an Officer of Seller.

Service Policy

Knowing that inoperative or defective instruments are as detrimental to TSI as they

are to our customers, our service policy is designed to give prompt attention to any

problems. If any malfunction is discovered, please contact your nearest sales office or

representative, or call Customer Service department at +44 (0) 149 4 459200 (UK),

(800) 874-2811 (USA), or (1) 651-490-2811 (International).

Table of Contents

LIMITATION OF WARRANTY AND

LIABILITY................................................................... ii

SECTION 1 General Description.................................5

SECTION 2 Safety...........................................................6

SECTION 3 Setting-Up ..................................................7

Supplying Power to the Model IAQ50 .....................7

Installing the Batteries.................................................7

Using the Optional AC Adapter................................7

Start up Sequence for the Model IAQ50...................8

Battery Percentage...................................................8

Log Percentage.........................................................8

Baud Rate..................................................................8

Setting the Real-Time Clock...................................8

Barometric Pressure ................................................9

Using the Sensing Probe ...........................................10

SECTION 4 Detailed Operation.................................10

Keypad Functions ......................................................10

ON/OFF Key .........................................................11

CO2 Key ...................................................................11

TEMP Key...............................................................12

HUMID Key ...........................................................13

READ/ENTER Key...............................................13

TIME LOG Key ......................................................14

NEXT TEST Key.....................................................16

%OA (Percent Outside Air) Key .........................16

BP Key .....................................................................21

RECALL Key ..........................................................22

Arrow Keys (56).................................................23

DEL Key ..................................................................24

Printing Data Using the Optional MicroPrinter ...25

Connecting the Optional MicroPrinter...................25

SECTION 5 Maintenance............................................ 26

Probe Tip..................................................................... 26

Cases ............................................................................ 27

Storage......................................................................... 27

SECTION 6 Service and Calibration ........................ 27

Factory Calibration.................................................... 28

Field Calibration ........................................................ 29

CO2Field Calibration Procedure ............................ 29

Temperature and Humidity Calibrations

Adjustment Procedure.............................................. 32

SECTION 7 Troubleshooting ..................................... 34

SECTION 8 DIP Switch Settings............................... 36

Specifications................................................................. 38

SECTION 1

General Description

The Model IAQ50 measures Carbon

Dioxide (CO2) level, temperature and

relative humidity, and calculates dew

point and wet bulb. It also calculates the

percentage of outside (make up) air in a

given indoor space, using CO2levels, or

temperature. The instrument will deter-

mine statistics and recall individual data

points for up to 255 test IDs. The Model

IAQ50 will retain data even after it is

turned off.

The IAQ50 ships in a soft-sided carrying

case that holds the meter and probe, a

probe stand, and calibration collar. There

is space in the case for an optional Micro-

Printer and charger. The instrument ships

with batteries (which are not installed), a

calibration sheet, and this Owner’s

Manual.

SECTION 2

Safety

When using the IAQ50 to check for CO2,

temperature or humidity values, make

certain that you can safely raise and hold

the instrument while making measure-

ments. Be especially careful when working

on a ladder.

Observe all necessary precautions so that

the unit does not become caught in

moving machinery or touch any exposed

electrical wiring.

DANGER!

Use with corrosive or other dangerous or

explosive gas mixtures is not recom-

mended.

WARNING!

Do not expose the sensing probe to

excessive heat—it can damage the

sensors and probe.

SECTION 3

Setting-Up

Supplying Power to the Model IAQ50

The Model IAQ50 can be powered in one

of two ways: four AA-size batteries or an

optional AC adapter.

Installing the Batteries

Insert four AA batteries as indicated by the

diagram located on the inside of the

battery compartment. The Model IAQ50 is

designed to operate only with alkaline

batteries, which are included. At 15%

battery life remaining, the battery indica-

tor will show that the batteries need to be

changed.

Using the Optional AC Adapter

The optional AC adapter allows you to

power the Model IAQ50 from an AC

outlet. When using the AC adapter, the

batteries (if installed) will be bypassed.

The AC adapter is NOT a battery charger.

Start up Sequence for the Model IAQ50

When the instrument is turned on, all

segments of the display will light up and

then the meter goes through a start-up

sequence.

Battery Percentage

This shows the remaining amount of

battery power.

Log Percentage

This shows how much of the datalog-

ging memory is still available.

Baud Rate

The Model IAQ50 has a DEFAULT baud

rate of 1200, which allows it to commu-

nicate with the optional portable Micro-

Printer.

Setting the Real-Time Clock

The Model IAQ50 has an internal clock

that keeps track of the time (the format

is HH.MM where HH is the hour in 24-

hour format and MM is minutes) and

the date. It is very important to set the

time and date correctly, otherwise date

and time stamping of recorded data will

not be correct.

To set the time and date, press and hold

either 5or 6key during the power-up

sequence when the time is displayed.

Release the keys when the Model IAQ50

beeps twice. You will have an opportu-

nity to view and/or change the minutes

(min), hours, year, month and date in

sequence. Use the 5or 6key to change

any settings. Use the ENTER key to store

each setting and advance to the next one.

Barometric Pressure

The default barometric pressure is 29.92.

To change this, press the 5or 6keys.

Press ENTER to store the new value. Be

sure to use “stations pressure” which

may be available at the local airport.

“Station pressure” is not corrected to sea

level. The barometric pressure is used to

correct the CO2readings and to calculate

the wet bulb.

The instrument then displays current

conditions. To skip the start-up

sequence, press and hold the ENTER

key at any point of the start-up

sequence, until the meter beeps.

Using the Sensing Probe

The sensing probe relies on the diffusion

of air. For best results, try to keep the

sensing probe surrounded by moving air.

Do not breathe on the probe, since humans

exhale levels well exceeding 10,000 ppm

CO2and it may take time for the probe to

re-stabilize.

SECTION 4

Detailed Operation

Keypad Functions

When pressing the keys on the front panel,

the Model IAQ50 will beep to confirm the

function. If you press a key and it does not

beep, the instrument does not allow that

function during the selected mode.

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