TSI Instruments ALNOR RVA501 Bedienungsanleitung

AIR VELOCITY METER

ALNOR®MODEL RVA501

AIRFLOW™ INSTRUMENTS

MODEL LCA501

OPERATION AND SERVICE MANUAL

P/N 1980586, REV E

OCTOBER 2014

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iii

CONTENTS

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

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

Supplying Power to the Alnor RVA501/Airflow Instruments

LCA501 ........................................................................................... 3

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

Attaching the Handle ................................................................. 3

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

Using the Optional Articulating Extension ................................. 3

Using the Optional Air Cone Kit ................................................. 4

Connecting to a Computer .............................................................. 4

CHAPTER 3 OPERATION ................................................................. 5

Keypad Functions ........................................................................... 5

Common Terms .............................................................................. 5

Menus ............................................................................................. 6

DISPLAY SETUP ................................................................................. 6

SETTINGS ......................................................................................... 6

FLOW SET UP .................................................................................... 6

DATA LOGGING ................................................................................. 6

Measurements ........................................................................... 6

Log Mode/Log Settings ............................................................. 6

Delete Data ................................................................................ 7

% Memory ................................................................................. 7

LogDat2™ Downloading Software ................................................. 7

CHAPTER 4 MAINTENANCE ............................................................ 9

Recalibration ................................................................................... 9

Cases .............................................................................................. 9

Storage ........................................................................................... 9

CHAPTER 5 TROUBLESHOOTING ................................................ 11

APPENDIX A SPECIFICATIONS ..................................................... 13

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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

below. If anything is missing or damaged, notify TSI immediately.

1. Carrying case

2. Instrument

3. USB cable

4. CD-ROM with downloading software

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Chapter 2

Setting-up

Supplying Power to the Alnor RVA501/Airflow Instruments

LCA501

The Alnor RVA501/Airflow LCA501 is powered with four size

AA batteries.

Installing the Batteries

Insert four AA batteries as indicated by the diagram located on

the inside of the battery compartment. The Alnor RVA501/Airflow

LCA501 is designed to operate with either alkaline or NiMH

rechargeable batteries, although it will not recharge NiMH

batteries. Battery life will be shorter if NiMH batteries are used.

Carbon-zinc batteries are not recommended because of the

danger of battery acid leakage.

Attaching the Handle

To attach the handle, screw the handle into the bottom of the

rotating vane head until secure. Remove the handle after use to

prevent damage to either the head or the handle.

Using the Optional AC Adapter

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

bypassed. Be sure to provide the correct voltage and frequency,

which is marked on the back of the AC adapter. The AC adapter

will not recharge the batteries.

Using the Optional Articulating Extension

The articulating extension allows you to secure the vane head at

nearly any angle. Once you have attached the articulating

extension, you can unscrew the swivel adjustment bolt, and

adjust the angle of the elbow. You can then adjust the pivot

position of the head by partially unscrewing the head from the

handle and tightening it with the knurled knob, located

underneath the vane head.

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4 Chapter 2

Using the Optional Air Cone Kit

Air Cone Flow Hoods are a fast and accurate method of

maximizing the usefulness of your 100 mm (4 in.) rotating vane

anemometer by turning it into an air volume balancing tool. Kit

comes with both rectangular 285 mm x 235 mm (11.2 in. x 9.2 in.)

and circular 180 mm (7.1 in.) diameter cones. Simply slide the

vane head into the Air Cone to perform supply or extract/return

measurements. Kit includes instructions for usage.

Connecting to a Computer

Use the Computer Interface USB Cable provided with the Alnor

RVA501/Airflow Instruments LCA501 to connect the instrument to a

computer for downloading stored data.

For information on how to download stored data see Chapter 3

section titled LogDat2™ Downloading Software.

Caution: This symbol is used to indicate that the data port

of the Alnor RVA501/Airflow Instruments LCA501 is not

intended for connection to a public telecommunications

network. Connect the USB data port only to another USB

port.

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Chapter 3

Operation

Keypad Functions

ON/OFF Key

Press to turn the Alnor RVA501/Airflow

Instruments LCA501 on and off. During the

power up sequence the display will show the

following: Model Number, Serial Number,

Software Revision and Last Date Calibrated.

Arrow () Keys

Press to scroll through choices while setting a

parameter.

(Enter) Key

Press to accept a value or condition.

Arrow ( or )

and Menu Soft

Keys

Press arrow keys to change choices while

setting a parameter. Press the Menu soft key

to select the Menu selections, which are

Display Setup, Settings, Flow Setup, Data

Logging and Calibration.

Common Terms

In this manual there are several terms that are used in different

places. The following is a brief explanation of the meanings of those

terms.

Sample

Consists of all of the measurement parameters stored

at the same time.

Test ID

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.

Time

Constant

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”.

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6 Chapter 3

Menus

DISPLAY SETUP

Display setup menu is where you will setup the desired parameters to

be displayed on the running screen. With a parameter highlighted you

can then use the ON soft key to have it show up on the running

screen or select the OFF soft key to turn off the parameter. Use

PRIMARY soft key to have a parameter show up on the running

screen in a larger display. Only one parameter can be selected as a

primary, and up to 2 secondary parameters can be selected at one

time.

SETTINGS

Settings menu is where you can set the general settings. These

include Language, Beeper, Select Units, Time Constant, Contrast,

Set Time, Set Date, Time Format, Date Format, Number Format,

Backlight and Auto Off. Use the  or  soft keys to scroll through the

settings for each option and use the key to accept settings.

FLOW SET UP

In Flow Setup mode, there are four types: Round Duct, Rectangle

Duct, Duct Area, and Air Cone. Use the  or  soft keys to scroll

through the types and then press the key to accept the desired

type. To change the value, highlight the Enter Settings option and

press the key.

DATA LOGGING

Measurements

Measurements to be logged are independent of measurements

on the display, and must therefore be selected under DATA

LOGGING  Measurements.

Log Mode/Log Settings

You can set Log Mode to Manual or Auto-save.

 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 instrument will continue taking

measurements until the key is pressed again.

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Operation 7

 Auto-save and Cont-Key modes use Log Interval under the

Log Settings:

Mode

Log Settings

Auto-save

Log Interval

Cont-key

Log Interval

 Use Cont-key mode with Log Interval set to 1 second to take

a Sweep measurement across an area.

Delete Data

Use this to delete all data, delete test or delete sample.

% Memory

This option displays the memory available. Delete All, under

Delete Data, will clear memory and reset the memory available.

LogDat2™ Downloading Software

The Alnor RVA501/Airflow Instruments LCA501 comes with special

software called LogDat2 Downloading Software, which is designed to

provide you with maximum flexibility and power. To install this

software on your computer, follow the instructions on the label of the

LogDat2 CD-ROM.

To download data from the Alnor RVA501/Airflow Instruments

LCA501, connect the supplied computer interface USB cable to the

Alnor RVA501/Airflow Instruments LCA501 and to a computer USB

port. Then run the LogDat2 downloading software. Within the

LogDat2 software, either select the tests to be downloaded or double-

click on a test to open it.

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Chapter 4

Maintenance

The Alnor RVA501/Airflow Instruments LCA501 requires very little

maintenance to keep it performing well.

Recalibration

To maintain a high degree of accuracy in your measurements, we

recommend that you return your Alnor RVA501/Airflow Instruments

LCA501 to TSI for annual recalibration. Please contact one of TSI’s

offices or your local distributor to make service arrangements and to

receive a Return Material Authorization (RMA) number. To fill out an

online RMA form, visit TSI’s website at http://service.tsi.com.

U.S. & International

TSI Incorporated

TSI Instruments Ltd.

Alnor Products

Stirling Road

500 Cardigan Road

Cressex Business Park

Shoreview MN 55126-3996

High Wycombe

Tel: (800) 874-2811

Bucks

(651) 490-2811

HP12 3ST United Kingdom

Fax: (651) 490-3824

Tel: +44 (0) 149 4 459200

Fax: +44 (0) 149 4 459700

The Alnor RVA501/Airflow Instruments LCA501 can also be

recalibrated in the field using the CALIBRATION menu. These field

adjustments are intended to make minor changes in calibration to

match a user's calibration standards. The field adjustment is NOT

intended as a complete calibration capability. For complete, multiple-

point calibration and certification, the instrument must be returned to

the factory.

Cases

If the instrument case or storage case needs cleaning, wipe it off with

a soft cloth and isopropyl alcohol or a mild detergent. Never immerse

the Alnor RVA501/Airflow Instruments LCA501. If the enclosure of the

Alnor RVA501/Airflow Instruments LCA501 or the AC adapter

becomes broken, it must be replaced immediately to prevent access

to hazardous voltage.

Storage

Remove the batteries when storing the unit for more than one month

to prevent damage due to battery leakage.

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Chapter 5

Troubleshooting

Table 5-1 lists the symptoms, possible causes, and recommended

solutions for common problems encountered with the Alnor

RVA501/Airflow Instruments LCA501. If your symptom is not listed, or

if none of the solutions solves your problem, please contact TSI.

Table 5-1: Troubleshooting the Alnor RVA501/Airflow

Instruments LCA501

Symptom

Possible Causes

Corrective Action

No Display

Unit not turned on

Switch unit on.

Low or dead batteries

Replace batteries or

plug in AC adapter.

Dirty battery contacts

Clean the battery

contacts.

Velocity reading

fluctuates

unstable

Fluctuating flow

Reposition probe in

less-turbulent flow or

use longer time

constant.

Instrument Error

message appears

Memory is full

Download data if

desired, then DELETE

ALL memory.

Fault in instrument

Factory service

required on instrument.

WARNING!

Remove the probe from excessive temperature immediately:

excessive heat can damage the sensor. Operating temperature limits

can be found in Appendix A, Specifications.

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