TSI Instruments VelociCalc Plus 8384 Manual de operación

Model 8384/8384A/8385/

8385A/8386/8386A

ELOCI

ALC

Plus

Air Velocity Meters

Operation and Service Manual

March 1998

P/N 1980321

Model 8384/8384A/8385/

8385A/8386/8386A

ELOCI

ALC

Plus

Air Velocity Meters

Operation and Service Manual

March 1998

P/N 1980321

SHIP TO: MAIL TO:

TSI Incorporated TSI Incorporated

500 Cardigan Road P.O. Box 64394

Shoreview, MN 55126-3996 St. Paul, MN 55164-0394

USA USA

U.S. INTERNATIONAL

Sales and Customer Service: Sales and Customer Service:

(800) 777-8356 / (651) 490-2711 (1) 651 490-2711

Fax: Fax:

(651) 490-2874 (1) 651 490-2874

Address

TSI Incorporated/P.O. Box 64394/St. Paul, MN 55164/USA

Fax No.

(612) 490-2874

LIMITATION OF WARRANTY AND LIABILITY. Seller warrants that this product, under normal use and

service as described in the operator's manual, shall be free from defects in workmanship and material for a period

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

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

a. Batteries and certain other components when indicated in specifications are warranted for a period of 90 days

from the date of shipment to the customer.

b. With respect to any repair services rendered, Seller warrants that the parts repaired or replaced will be free

from defects in workmanship and material, under normal use, for a period of 90 days from the date of

shipment to the customer.

c. Seller does not provide any warranty on finished goods manufactured by others. 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 liabilityin connection with, any goods which are incorporated into other products or equipment

by the Buyer. All goods returned under warranty shall be at the Buyer’s risk of loss, Seller’s factory prepaid,

and will be returned at Seller’s risk of loss, Buyer’s factory prepaid.

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

herein. NO OTHER EXPRESS OR IMPLIED WARRANTY OF FITNESS FOR PARTICULAR PURPOSE

OR MERCHANTABILITY IS MADE.

THE EXCLUSIVE REMEDY OF THE USER OR PURCHASER, AND THE LIMIT OF THE LIABILITY OF

SELLER FOR ANY AND ALL LOSSES, INJURIES, OR DAMAGES IN CONNECTION WITH THIS

PRODUCT (INCLUDING CLAIMS BASED ON CONTRACT, NEGLIGENCE, STRICT LIABILITY,

OTHER TORT, OR OTHERWISE) SHALL BE THE RETURN OF THE PRODUCT TO THE FACTORY OR

DESIGNATED LOCATION AND THE REFUND OF THE PURCHASE PRICE, OR, AT THE OPTION OF

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

LIABLE FOR ANY SPECIAL, INCIDENTAL OR CONSEQUENTlAL DAMAGES. SELLER SHALL NOT

BE RESPONSIBLE FOR INSTALLATION, DISMANTLING, REASSEMBLY OR REINSTALLATION

COSTS OR CHARGES. NO ACTION, REGARDLESS OF FORM, MAY BE BROUGHT AGAINST THE

SELLER MORE THAN ONE YEAR AFTER THE CAUSE OF ACTION HAS ACCRUED.

The purchaser and all users are deemed to have accepted the terms of 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 or modified nor may any of its terms be waived except by

a writing signed by an authorized representative 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 TSI's Customer Service department at (800) 777-8356

(USA) and (1) 612 490-2711 :(International).

CONTENTS

Chapters

1. UNPACKING AND PARTS IDENTIFICATION ............................1

Parts Identification.......................................................................2

2. SETTING-UP ..............................................................................3

Supplying Power to the VELOCICALC plus.....................................3

Installing the Batteries............................................................3

Using the Optional AC Adapter...............................................3

Selecting the Display Units..........................................................3

Using The Telescoping Probe......................................................3

Extending The Probe..............................................................4

Retracting The Probe .............................................................4

Articulating Probe (Models 8384A/8385A/8386A Only)...........4

Setting the Real-Time Clock........................................................4

Changing the Baud Rate..............................................................4

Connecting the Optional Model 8925 Portable Printer..................4

Connecting to a Computer...........................................................5

3. OPERATION...............................................................................7

Keypad Functions........................................................................7

Common Terms ..........................................................................7

ON/OFF Key...............................................................................7

Arrow (▲▼) Keys ........................................................................7

ENTER Key.................................................................................8

Backlight Switch..........................................................................8

VELOCITY/FLOWRATE Key.......................................................8

PRESSURE (zero) Key (Models 8385/8385A/8386/8386A Only).9

TEMPERATURE Key................................................................10

HUMIDITY Key (Model 8386/8386A Only).................................10

THERMAL/PITOT Key (Models 8385/8385A/8386/8386A Only) 10

ACTUAL/STANDARD Key.........................................................10

SAMPLE INTERVAL Key ..........................................................10

SAMPLE (options) Key..............................................................11

Discrete Data Logging (Single Point Measurements)............11

Continuous Data Logging (Multiple Readings Over Time).....11

Setting Data Storage Options...............................................11

NEXT TEST (clear) Key ............................................................13

STATISTICS (review data) Key.................................................13

To View Statistics.................................................................13

To Review Data....................................................................13

HEAT FLOW Key (Model 8386/8386A Only).............................14

Printing Data Using the Portable Printer ....................................15

Downloading Data to a Computer..............................................15

Data Acquisition (Polling) ..........................................................16

4. MAINTENANCE........................................................................17

Recalibration.............................................................................17

Cases........................................................................................17

Storage .....................................................................................17

5. TROUBLESHOOTING..............................................................19

Appendices

A. SPECIFICATIONS....................................................................21

B. DIP SWITCH SETTINGS..........................................................25

Chapter 1

Unpacking and Parts Identification

Carefully unpack the instrument and accessories from the shipping

container. Check the individual parts against the list of components in

Table 1-1. If anything is missing or damaged, notify TSI immediately.

Table 1-1: List of Components

Qty Item Description Part /

Model

1 Model 8384 VELOCICALC Plus or 8384

Model 8384A VELOCICALC Plus (articulating probe) or 8384A

Model 8385 VELOCICALC Plus or 8385

Model 8385A VELOCICALC Plus (articulating probe) or 8385A

Model 8386 VELOCICALC Plus or 8386

Model 8386A VELOCICALC Plus (articulating probe) 8386A

1 Carrying Case 1319156

4 AA Alkaline Batteries 1208013

1 AC Adapter (optional)

120 V, NEMA-5 or

230 V, European, CEE 7/16, or

230 V, Great Britain, or

240 V, Australian

2613033

2613078

800169

2613106

1 Operation and Service Manual 1980321

1 Static Pressure Tip 3002017

1 Pitot Tube (optional) 3002018

8 ft. Rubber Tubing 801039

1 Interface Cable (Instrument to Computer) 8940

1 Downloading Software Diskette (3.5 inch) 800832

Chapter 12

Parts Identification

Figure 1-1: VELOCICALC Plus

1. Backlight Switch 5. Pressure Measurement Ports

2. Display 6. Battery Access Cover

3. Keypad 7. AC Adapter port

4. Probe Mounting Clips 8. Printer Output / Communications Port

2 6 5

Chapter 2

Setting-up

Supplying Power to the VELOCICALC Plus

The VELOCICALC Plus can be powered in one of two ways: four size AA

batteries or the optional AC adapter.

Installing the Batteries

Insert four AA batteries as indicated by the diagram located on the

inside of the battery compartment. The VELOCICALC Plus is designed

to operate with either alkaline or NiCd rechargeable batteries. Battery

life will be shorter if NiCd batteries are used. Carbon-zinc batteries are

not recommended because of the danger of battery acid leakage.

Table 2-1 Typical Battery Life at 20°C

Air Velocity Alkaline

(ft/min) (m/s) (hrs)

100 0.5 >8.0

5000 25.0 5.0

Using the Optional AC Adapter

When using the AC adapter, the batteries (if installed) will be bypassed.

The AC adapter is not a battery charger.

Selecting the Display Units

The VELOCICALC Plus is capable of displaying the measured values in

several different measurement units. To change the display units on your

VELOCICALC Plus, refer to Appendix B, DIP Switch Settings.

Using The Telescoping Probe

The telescoping probe contains the velocity, temperature, and humidity

sensors (humidity sensor, Models 8386 and 8386A only). The probe can be

used either mounted to the VELOCICALC Plus or held in your hand. If the

probe is to be used mounted to the VELOCICALC Plus, install it pointing

upward in the probe mounting brackets. When using the probe, make sure

the sensor window is fully exposed and the orientation dimple is facing

upstream.

4Chapter 2

Extending The Probe

To extend the probe, hold the handle in one hand while pulling on the

probe tip with the other hand. Do not hold the cable while extending

the probe as this prevents the probe from moving.

Retracting The Probe

To retract the probe, hold the handle in one hand while pushing on the

probe tip with the other hand. If you feel the probe antenna binding,

pull gently on the probe cable until the smallest antenna section is

retracted. Collapse the rest of the antenna by pressing the probe tip.

Articulating Probe (Models 8384A/8385A/8386A Only)

The articulating probe has the ability to bend at a 90° angle for those

hard to reach places. To bend the probe, loosen the knurled nut on the

joint, bend the probe, and tighten the nut. To straighten the probe,

loosen the nut, straighten the probe, and tighten the nut.

Setting the Real-Time Clock

The VELOCICALC Plus has an internal real-time clock that keeps track of

the time of day (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 both ▲and ▼keys during the

power-up sequence when the time is displayed. Release the keys when the

VELOCICALC Plus beeps twice. You will have an opportunity to view and/or

change the hours, minutes, year, month, and day of month in sequence. Use

the up and down arrow keys (▲▼) to change any settings. Use the ENTER

key to store each setting and advance to the next one.

Changing the Baud Rate

The VELOCICALC Plus has a variable baud rate that is used when

downloading or printing data from the instrument. By changing the baud

rate to a higher rate, the data will be downloaded faster.

The instrument baud rate is displayed during the initial power up sequence.

To change the baud rate, press and hold both ▲and ▼keys during the

power-up sequence while the baud rate is displayed. Release the keys when

the VELOCICALC Plus beeps twice. Use the ▲and ▼keys to scroll through

the available values of 1200, 2400, 4800, 9600, and 19200. Press ENTER to

set the value that is displayed.

Setting-up 5

Connecting the Optional Model 8925 Portable Printer

To connect the Model 8925 printer to the VELOCICALC Plus, locate the

Printer Interface Cable (supplied with the optional printer) and connect the

9-pin end labeled “PRINTER” to the printer and the other end to the data

port of the VELOCICALC Plus. The printer must be set to the same baud rate

as the VELOCICALC Plus. See Changing the Baud Rate section for details

on how to change the baud rate. Always turn theVELOCICALC Plus on

before the printer. If the printer prints question marks (??????), asterisks

(******), or random characters, reset it by turning it off and then on again.

If necessary, refer to the Model 8925 Portable Printer Operation and

Service Manual.

Connecting to a Computer

Use the Computer Interface Cable provided with the VELOCICALC Plus to

connect the instrument to a computer for downloading stored data or for

remote polling. Connect the 9-pin end labeled “COMPUTER” to the

computer COM port and the other end to the data port of the VELOCICALC

Plus. A 9-pin to 25-pin adapter will be required if your computer has a 25-

pin serial port connector.

For more information on how to download stored data see Chapter 3 section

titled Downloading Data to a Computer. For polling instructions, see

Chapter 3 section titled Data Acquisition (Polling).

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