TPI 635 Manuel utilisateur

Tuffman Pressure Meter

TPI 635 / 645 / 655

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Table of Contents

Page 3 Introduction & Product Description

Page 4 Safety Considerations

Page 5 Technical Data & International Symbols

Page 6 eatures & Benefits

Page 7 Pressure Conversion Table

Page 8 Step by Step Procedures

Page 9 Accessories & Specifications

Page 10 Maintenance

Page 11 Trouble Shooting Guide EC declaration of conformity

Page 12 Warranty Statement

page 1

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Introduction

Congratulations!

Thank you for purchasing TPI brand products. This meter is easy to use

and is built to last. It is backed by a 3 year limited warranty. Please

remember to return your product warranty registration card.

Product Description

The TPI 600 Tuffman series is a hand held range Of pressure meters and

can be summarized as follows.

TPI 635 5 PSI pressure range

TPI 645 30 PSI pressure range

TPI655 100 PSI pressure range

All of these models are dual input differential pressure meters with 7

selectable scales to choose from: mbar, kPa, PSI, inHg. mmHg,inH20,

and mH20.

page 2

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Safety Considerations

WARNING: Please follow the manufacture's test procedure whenever

possible. Make sure the pressure to be measured is not outside the

range of the TPI 635/645/655 meter.

General Guidelines

ALWAYS

• Test the pressure meter before use to ensure it is operating properly

• Ensure that the connecting hose you are using is free from kinks or splits

• Double check all connections before testing

NEVER

• Connect the instrument to an unknown pressure source if the source is

twice the working pressure of the instrument the sensor will be damaged

and may cause injury to the user

• Tamper with the instrument or attempt to modify it in any way.

Otherwise accident and injury may occur and the warranty be

comes void.

page 3

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Technical Data

Controls TPI 635/645/655

ON Switches instrument "ON" for use

OFF Switches instrument "O " after use

ZERO Automatically "zero's" the instrument

== Smoothing function to stabilize rapidly changing readings

MAX/MIN Enables user to recall & display both the maximum and

minimum pressure recorded since the function was selected.

Press button once to activate, twice to read minimum and

three times to read the maximum. To cancel the function press

and the hold the "MAXIMIN" button

HOLD Maintains the reading on the LCD display

NITS Selects 7 units of measure kPa, PSI, inHg, mmHg, inH20,

mH 20, mbar

page 4

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Features & Benefils

Auto ranging- Provides high resolution & accuracy at low pressures

where it is needed

Auto Power Off- Powers off after 30 minutes to conserve battery life.

Trim Mode- Smoothing function to stabilize erratic readings.

It displays the average value of 4 values previously

measured.

Zero function- Provides immediate push-button zeroing for Speed

and accuracy.

Record Max/Min- Enables long term testing of pressure systems for leaks

Hold- Enables the user to freeze the display reading, when

working in cramped working conditions, when the

display is not visible.

nits- Change the display value in anyone of the following

engineering units. kPa, PSI, inHg, mmHg, inH20,

mH20 and mbar.

page 5

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Pressure Conversion Table

Atmos mbar inHg inH20 PSI mmHg mH20 kPa

Atmos 19.86923

x 10-4

3.34207

X 10-2

2.45832

X 10-3

6.8046

X 10-2

1.31579

X 10-3

9.67841

X 10-3

9.86923

X 10-3

mbar 1013.25 1 33.8638 2.49089 68.9476 1.33322 98.0665 10

inHg 29.9213 2.95301

x 10-2 17.35561

X 10-2 2.036 3.937

X 10-2 2.89591 0.295301

in H20 406.8 0.401463 13.5951 1 27.68 0.534 39.3701 4.01463

PSI 14.6959 1.45038

x 10-2 0.491153 3.61273

X 10-2 11.934

X 10-2 1.42233 0.145038

mmHg 760 0.750064 25.4 1.86833 51.715 1 73.5561 7.50064

mH20 10.3323 1.01972

x 10-2 0.345315 2.54

X 10-2 0.70307 1.35951

X10-2 1 0.101972

kPa 101.325 0.1 3.38638 0.249089 6.89476 0.133322 9.80665 1

page 6

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Step by Step Procedures

• Press the "ON" key and the LCD display will be activated if it does not

read 0.00 proceed as follows

• Press the "zero" key and the display should read zero. if not repeat

until it does

• Connect pressure meter to installation or equipment to be tested using

appropriate hose connection in accordance with the manufactures

instructions

• The pressure reading will appear on the display. To activate the backlight

in poor light conditions press the "ON' key at any time

• If the reading is erratic or changing activate the smoothing unction by

pressing the" =" key

• To freeze a reading in awkward or cramped working spaces press

the "Hold" key

• To record maximum & minimum pressures when establishing

pressure decay or carrying out gas line soundness testing press the

"MAXIMIN" key

• To convert the displayed pressure reading to another engineering unit

depress the "Unit" key anytime and scroll through to the desired units

of pressure.

page 7

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Accessories & Specifications

Standard Accessories Part No.

9V ALKALINE battery A009A

Replacement tubing t/4" 00 x 28"(L) A601

Optional Accessories Part No.

Replacement tubing 1/4' 00 x 28" T itting A605

Large Zippered Case A904

9V lithium battery U9VL

eatures Model 635 645 655

Range 5 PSI 30 PSI 100 PSI

Accuracy ±O.2'% of full scale +3 digits

Over Pressure 14.5 psi (1000 mbar) 58.0 psi (4000 mbar) 145 psi (10 bar)

Power Supply 9V

Relative Humidity 0% to 80% (a· to + 40°C)

Operating Temp. 32° to 104° (D' to +40°C)

Storage Temp. 14° to 122° (-10"10 + 50'C)

Auto Power Off After 30 minutes

Trim Mode Yes

Zero Adjust Yes Push Button

Data Hold Yes

Record Yes Max/Min

page 8

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Maintenance

Battery Replacement

The 635/645/655 will display a iBATi symb 01 when the internal 9V battery

needs replacement. Replace battery as follows:

1. Ensure instrument is switched off

2. Loosen the cross head screw on the battery compartment cover

3. Remove battery compartment cover

4. Remove old battery

5. Replace with new battery 9V NEDA 1604 or equivalent

6. Reassemble the instrument in reverse order from above

7. RE-fit the cross head screw being sure not to over tighten

Cleaning

Use a mild detergent and a slightly damp cloth to clean the surfaces of the

instrument.

page 9

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