Transtech PQI 301 Service-Handbuch

Pavement Quality Indicator

Model 301

Operators Handbook

Table of Contents

1.0 Introduction

1.1 Asphalt Pavement Quality Indicator™ Features

1.2 Purpose of this Handbook

1.2 Purpose of this Handbook 1.2 Purpose of this Handbook

1.3 Application Summary

1.4 Safety

2.0 Controls and Components

2.1 External Controls and Components

2.2 Receipt

2.2 Receipt 2.2 Receipt

2.3 Charging the Battery

.0 Operation of the PQI Unit

3.1 General Operation Overview /Keypad Functions

3.2 Starting and Self Test

3.2 Starting and Self Test 3.2 Starting and Self Test

3.3 Setting the Date and Time

3.4 Setting the Mix Information

3.5 Changing Displayed Units

3.6 Calibration

3.7 The Operating Modes

3.8 Moisture Correcting & Temperature Correction

3.9 Power Save/Auto Shutoff

3.9 Power Save/Auto Shutoff 3.9 Power Save/Auto Shutoff

4.0 Remote Mode

5.0 Routine Operation

6.0 Maintenance and Trouble Shooting

7.0 Warranty

8.0 Measurement Tables

FAQ’s

Replacement Parts

1.3 Application Summary

1.4 Safety

2.3 Charging the Battery

3.9 Power Save/Auto Shutoff

7.0 Warranty

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1.0 Introduction

1.1 Asphalt Pavement Quality Indicator™ Features

TransTech’s third generation Pavement Quality Indicator™ (PQI)

utilizes state

of the art technology to get accurate asphalt pavement density readings. It’s

primary features are:

• No special license or radioactive materials required.

• Light weight and easy to use.

• 12 hours of portable operation.

• Measures density in common units (Lb/CuFt and Kg/M3

• Measures and compensates for asphalt temperature and surface

moisture.

• Stores 99 readings on internal Data Logger.

• Optional Download to computer.

How Does it Work?

The density of asphalt pavement is directly proportional to the

measured

dielectric constant of the material. TransTech’s Pavement Quality Indicator™

uses electrical waves to measure dielectric constant using an innovative, toroidal

electrical sensing field established by the sensing plate. The electronics in the

PQI convert the field signals into material density readings and displays the

results. Once calibrated direct density readings can be consistently obtained.

1.2 Purpose of this Handbook

This handbook is intended to be both a training manual and a

reference source

for the operation, care and maintenance of the TransTech Pavement Quality

Indicator. You must read through the entire manual completely to familiarize

yourself with the unit’s features, controls and operating modes before starting to

take readings and analyze data.

1.3 Application Summary

The PQI is intended primarily for use on newly-laid asphalt

pavements with lift

thickness ranging from 1 inch to 6 inches. Once calibrated the PQI will provide

reliable and consistent density measurements.

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1.4 Safety

Every effort has been made to make the Pavement Quality Indicator

convenient

to use and inherently safe. The PQI uses no nuclear elements, and is instead

based on a safe, low-voltage direct current electrical measurement techniques.

Like any instrument, however, the user should exercise care and common sense

in its use to prevent mishaps.

Take careful note of the following:

Warning- Do not use the unit on or near exposed electrical wiring. A shock

hazard potential exists if contact is made with the exposed wiring.

Warning- Use care in handling the unit. Personal injury can occur through

improper handling. Take proper precautions to prevent accidental dropping of

the unit.

Caution- Turn the unit off when not in use and during transport.

Caution- Unauthorized disassembly of the unit will void the warranty.

2.0 Controls and Components

2.1 External Controls and Components

Prior to learning how to operate the PQI, we recommend that you

familiarize

yourself with the PQI unit’s operating controls and components. Illustrations and

listing of the main components and their basic functions are shown below.

On/Off

Switch

Computer

Connection

Display

Charger

Connection

Keypad

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2.2 Receipt

The PQI shipment package includes the items listed below. Report

any shipping

damage to the carrier. Contact TransTech Systems Inc. Customer Service if any

of the parts are missing.

• One storage case

• Operating handbook.

• One PQI unit .

• One battery charger: 120/220V AC to

12 VDC - Fast Charge

2.3 Charging The Battery

Important- Before using the unit for the first time the internal battery must be

fully charged. Follow the unpacking and setup instructions below.

The third generation PQI unit is powered by nickel metal hydride

batteries

which weigh less and are smaller than equivalent lead-acid cells. The new

microprocessor controlled battery charger will usually charge the PQI unit

in a couple of hours. For first use and after a fully discharged battery pack a

minimum of 5 hours should be allowed

for charging.

Under normal operation, the PQI unit can operate in excess of 13 hours

at full

charge. The internal 12 volt battery is designed to be recharged in approximately

2-4 hours, using the 120/220 V AC battery charger

Warning- Attempting to recharge the unit in any other way than with the

recharger supplied with the unit can result in damage to the unit and can present

a safety hazard. Use of any charging means other than the recharger supplied

with the unit will void the unit’s warranty.

The figure below shows the battery charger supplied with the PQI.

To charge the unit, proceed as follows:

1. Turn the PQI unit OFF.

2. Connect the charger to the charger connector located on the side of the

PQI unit.

3. Plug the charger into a standard AC outlet.

4. When charging is complete, unplug the charger from the power source

first then from the connector on the PQI unit.

Battery Voltage is displayed on the Continuous Reading Mode Screen. A fully

charged battery will read approximately 12.9-13 volts. The battery voltage will

go down as the PQI is used. At 11.5 volts, it is time to get the PQI re-charged.

When the PQI voltage gets to 11.0 volts, the PQI will display a “low battery

warning” and will not take any further readings. It is important to re-charge the

battery after each use.

3.0 Operation of the PQI Unit

3.1 General Operation Overview

The Pavement Quality Indicator is designed to be an extremely flexible

unit,

with several useful modes of operation. Each mode of operation is accessed

through the keypad controls. The number, letter and arrow keys have several

functions. The immediate function is shown by the text in the display panel.

The display can show four lines of text at a time called a page. The display tells

the operator what the PQI unit is ready to do or indicates that a reading is being

taken or that more key setting information is needed from the operator. Pressing

a key causes the PQI to beep indicating that the keystroke has been entered.

TransTech Systems

PQI V3.3ae1

Initializing………

Figure 3.1 first or “bootup” screen display.

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Figure 3.2 Keypad

A summary of the keypad codes used to set date and time, change measurement

modes, enter values for the Maximum Theoretical Density (MTD) value and

enter data are shown below. Each key function is discussed in more detail in the

following sections of this handbook.

Key Pad Functions

Key

Function

1-9

The number keys have different

settings depending

upon the menudisplay.

Mode/↑

Used as to switch among the four

measurement

modes or to scroll in the up direction.

Diag/↓

Used to display the DIAGNOSTICS

screen when in

one of the measurement modes. Also used to scroll

in the down direction.

Menu/←

This key brings the unit back to the

MAIN MENU.

Works as a back space key when it’s necessary to

delete and replace a single digit of information that

was just entered by mistake.

Enter

The ENTER key functions like a return key

in that

it tells the PQI unit to accept information or to take

a density measurement.

CAL

Used to enter calibration mode when in one

of the

measurement modes.

“.”

Works as a decimal point when entering

values.

3.2 Starting and Self Test

Important

Before using the unit for the first time the internal battery must be fully charged.

Follow the setup instructions in Section 2.2 above.

3.2.1 Starting the PQI unit for the first time.

Turn the PQI on by flipping the POWER switch. After a few seconds

the

display will show the TransTech boot up screen. After the boot up screen

clears the PQI will display the SELECT PAVEMENT TYPE screen. From the

main menu option #2 also allows changing of this setting. The selection of a

“Pavement Type” / stone size in the mix which the PQI is going to be used on

is required as part of the initial calibration of the unit.

Select Pavement Type

1) 25-35 mm (Base )

2) 16-24 mm (Inter.)

3) 9-15 mm (Top)

The PQI will prompt the user for the correct unit of measurement

either

inches or mm. The PQI 301 asks the user to input the depth of the pavement

being laid out by the paver.

Lift Thickness

Enter Units

1) inches

2) mm

Lift Thickness

Enter Thickness ( in or mm)

“Press Enter after entering depth”

Startup Menu

1) Setup Menu

2) Run

Press the number 1 to show the first page of the MAIN MENU (also called

setup menu). Press 2 to return to an operating mode if setup was performed

earlier in the day.

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1) Date/Time

2) Mix Information

3) Displayed Units

ENT) Exit (Scroll)

Press the Down arrow to show the second MAIN MENU page.

4) Data Log

5) View Parameters

6) Remote Menu

ENT) Exit (Scroll)

Press ENT) Exit or (Scroll) Press the Down arrow to return the display to the

first page of the MAIN MENU as above.

3.3 Setting the Date and Time

The following steps check the date and time of the clock inside the PQI.

At the

first screen of the MAIN MENU, pressing the 1 key enters the Date and Time

mode.

1) Date (02/21/2002)

“current date”

2) Time (20:02:37)

“current time”

3) Date Format (MDY)

ENT) Exit

3.3.1 Setting the Date

A. Pressing the 1 key prepares the PQI for setting the month, day and

year. The

first line of the display indicates the date presently stored in the PQI. If this date

check is correct then press the “.” key to cancel and return to the Date/Time

MENU.

Enter Date

MM/DD/YYYY

XX/XX/XXXX

ENT) OK “.” ) Cancel

The MM is the first portion of a two digit month representing the 12 months of

the year. For example 01 is January.

The DD is the second portion of a two digit day indication with a value from 01

to 31.

The YYYY is the third portion of the date representing a four digit year.

For

example, 1999, 2000 or 2001.

Notice the flashing cursor beneath the MM letters. Using number keys

enter the value for the current month, 01, 02, etc. At this time using the

(backspace) key will move the cursor between the two MM spaces so

that the month value can be changed.

See that the underline cursor has moved to the DD position. Using

number keys enter a two digit value for the current day of the month,

01, 02, etc. Using the ← (backspace) key will move the cursor between

the two DD spaces so that the day value can be changed if a mistake is

made.

The underline cursor has moved to the YYYY position. Using number

keys, enter a four digit value for the year. Using the ← (backspace) key

will move the cursor between the four spaces so that the year value can

be changed if a mistake is made. Pressing the ENT key sets the new

date. Pressing the “.” key cancels and returns the PQI to the change

date or the time screen without making any changes to the current

date.

Option #3 “Date Format” allows the date format to be changed from

M/D/Y to D/M/Y.

3.3.2 Setting the Time

A. From the Main Menu press the 1 key. Press the 2 key and the PQI is

ready

to have the time set. The HH is the hour portion of the time in a 24 hour format

(midnight is 00 and 1 PM is 1300).

Enter Time

HH:MM:SS

XX:XX:XX

ENT) OK “.” ) Cancel

The MM is the minute portion of the time display with a range of 00 to 59

minutes.

The SS is the seconds portion of the time also with a range of 00 to 59 seconds.

See that the underline cursor is under one of the HH letters. Use number

keys to enter the new hour of the day. Using the ← (backspace) key will move

the cursor between the four spaces so that the year value can be changed if a

mistake is made.

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