PRECISION DIGITAL PD233 Manuale utente

I&M008-10135-9/05

Precision Digital

Test Gauge

Model PD233, PD243,PD253

Operating

Instructions

I&M008-10135-9/05 dwg. 83B234-01 Rev. A

GAUGE INSTALLATION

Pipe Mount – The digital test gauge comes standard with a

⁄

NPT connec-

tion. Good piping practices recommend using teflon tape or a pipe sealant

on the gauge threads. Utilize a

⁄

˝ wrench on the wrench flat of the gauge

to tighten the gauge to the process.

NEVER TIGHTEN GAUGE THREADS BY HOLDING THE BODY OF THE GAUGE.

DOING SO MAY DAMAGE THE GAUGE AND MAKE THE GAUGE INOPERABLE.

Panel Mount – The lower connected digital test gauge is available with an

optional flange for panel mounting. Please refer to illustration and dimen-

sions below.

Pipe to which gauge is attached must be properly grounded.

4.00

1.860

.17

Battery Installation and Replacement:

The gauge comes standard with a quantity of three AAA alkaline batteries

(installed). Use either Duracell MN2400, MX2400 or Energizer E92BP,

X92RP AAA alkaline, non-rechargeable batteries.

Batteries have a life of approximately 1000 hours. Battery life is dependent

on gauge usage, backlite settings and power off settings. When the display

flashes LOW BAT, batteries should be replaced.

To replace the batteries:

1) Remove the single screw on the back of the gauge case.

2) Hold the keypad in the palm of hand.

3) Carefully remove the three batteries from the holder and replace the bat-

teries. Use only AAA alkaline non-rechargeable batteries.

HOLE

CUTOUT

DIAMETER

3.406

⁄

)

Precision Digital Corporation

19 Strathmore Road

Natick, MA 01760-2418

Tel: 800-343-1001

Fax: 508-655-8990

– 15 –

Config Mode

Allows Scrolling Through CONFIG Menus

Engineering Units

Psi, ˝Hg, ˝H2O (with three temperature options, 60°F, 4°C

and 20°C), ft.SW, bar, mbar, kPa, MPa, mmHg, cmH2O,

mmH2O, kg/cm2

Update Rate

4 Options: 10x/sec, 5x/sec, 2x/sec, 1x/sec

Auto Off 6 Options: Never, 2 Min., 5 Min., 15 Min., 30 Min.,

Dampening 6 Options: None, Average 2, 4, 6, 8 x update rate

Languages 7 Languages: English, Spanish, French, Italian, German,

Portuguese, Dutch

Backlite 5 Options: On/Off, 10 Sec., 30 Sec., 5 Min., 15 Min.

Field Recalibration

Zero & Span (password protected)

Contrast 7 Available Options

Disable Config Options

Allows disabling of Config Options (password protected)

Calibration Chart

10 Point Individual NIST Traceable Calibration Chart,

Standard

Standard Accessories

300 Series SS Protective Cover

Nylon Protective Carrying Pouch

Display Description

Flashing Gauge over/underpressured

0% or 100% beyond 105% of range

LOW BAT Low battery, replace

ERROR Internal error, call customer

service (203) 378-8281

Pressure unit conversion exceeds

RES ERROR display resolution or gauge

pressured beyond resolution

SPECIFICATIONS

WARNING AND ERROR MESSAGES

– 2 –

Congratulations on your purchase of the

Precision Digital Test Gauge with total error band

full-scale accuracy and the largest display readout

in the industry of .66˝ high. Other industry-lead-

ing features include twelve selectable engineering

units, seven languages, and password-protected

disable and calibration functions. With the range

printed on the keypad, this digital gauge meets

the ASME B40.7 digital gauge specification. See a

complete listing of product features and specifi-

cations on pages 14 & 15.

Precision Digital Corporation

19 Strathmore Road

Natick, MA 01760-2418

Tel: 800-343-1001

Fax: 508-655-8990

– 3 –

TABLE OF CONTENTS

Page

Quick Reference Guide 4-5

Keypad Functions 6-7

• ON/OFF KEY

• BACKLITE KEY

• MIN/MAX KEY

• ZERO/CLEAR KEY

• ENTER KEY

• CONFIG KEY

Configurable Functions (CONFIG Mode) 7-12

• Units (Engineering) 7

• Update Rate 7-8

• Auto Off 8

• Backlite 8-9

• Languages 9

• Damping 9-10

• Contrast 10

• Calibrate (Gauge Calibration) 10-11

• Disable 12

Available Ranges 13

Specifications 14-15

Installation & Battery Replacement 16

• Mounting

• Battery Replacement & Installation

– 14 –

Model PD233, PD243, PD253

Accuracy 0.05%, (PD253), 0.10% (PD243), 0.25% (PD233) Full

Scale Terminal Point Total Error Band (TEB) Accuracy

Including Hysteresis, Linearity, Repeatablilty &

Temperature (–18/65°C) (0/150°F)

Dial Size 3"

Case Material

300 Series SS

Case Finish Electropolished

Case Enclosure Rating

Weatherproof, IP65

Socket Material

316 SS

Socket Size 1

⁄

4NPT Male (others on application)

Socket Location

Lower connection, 6:00 o’clock

Ranges Vac thru 7000 psi (see other engineering units below for

other units of measurement)

Operating Temperature

0/150°F

Storage Temperature

–40/180°F

DISPLAY:

Type LCD

Display Digits 5

Character Height .66˝

Backlit Off By Default

Bargraph Yes

Battery Life 1000 Hrs.

Agency Approvals

CE, FM & CSA (Intrinsically Safe Class I, Div 1)

KEYPAD FUNCTIONS:

On/Off Manually Turns Unit On & Off

(auto off options in config menu)

Backlit Manually Turns Backlit On & Off

(auto off options in config menu)

Min/Max Stores Min & Max Values

Zero/Clear Zeros Display or Clears Min/Max Values When

Displayed

Enter Selects Items In CONFIG Menu

SPECIFICATIONS

– 13 –

PRESURE RANGES:

Compound Bar/ Compound

psi (psi) kPa KSC (bar)

vac.

15# & vac. –100/0

1 –1 to 0

30# & vac.

25 1.6 –1 to 1

60# & vac.

40 2.5 –1 to 2

100# & vac.6

60 4 –1 to 3

30 100 6 –1 to 30

60 160 10

100 250 16

160 400 25

200 600 40

300 1000 60

500 100

600 160

800 250

1000 400

1500 500

2000

2500

3000

5000

7000

mBar/ Absolute Temp.

mmH2O MPa cmH2O (psia) Options

3000 1 250 15 4°C

5000 1.6 300 25 20°C

10,000 2.5 400 50 60°F

6 500

10 600

40 1000

1600

2000(2)

2500(1)

4000

5000

6000

10,000

– 4 –

Bargraph

% of full scale

Flashing display when unit

pressured below zero

Press to indicate minimum

or maximum pressure

gauge has measured

Press again to return to

pressure units

While in max or min mode,

press to clear minimum or

maximum displayed values

UNITS (Pressure)

ENGLISH

PSI

INHG

INH2O

with Temperature

(Options: 60°F,

4°C, 20°C)

FTSW

METRIC

BAR

MBAR

KPA

MPA

mmHG

CMH2O

mmH2O

KG/CM2

UPDATE RATE

(Pressure measurement

per second)

10x*

BACKLIGHT

(Off options)

ON/OFF*

10 SEC

30 SEC

1 MIN

5 MIN

LANGUAGE(s)

English*

French

Spanish

German

Italian

Portuguese

Dutch

DAMPING

(averages gauge reading

None*

AVG 2

AVG 4

AVG 6

AVG 8

.66˝ high display, 5 digit

QUICK REFERENCE

– 5 –

While in unit of measurement mode (eg: psi),

press the ZERO CLEAR button to rezero the

gauge. This feature functions when displayed

pressure is within ±5% of zero value

This bargraph indicates

battery level; the more

segments, the closer the

battery is to full charge

Flashing display when unit

pressured beyond full-scale

Press to turn backlite

on or off

Range on keypad;

complies with ASME B40.7

Press to turn unit on or off

AUTO OFF

(Turns unit off after

option selected)

Never*

2 minutes

5 minutes

15 minutes

30 minutes

CALIBRATE

Zero and span

adjustments,

password

protected

DISABLE

Allows for

“lockout” of

CONFIG

options

CONTRAST

(Customizes

display

readout)

7 available

Selection 4 is

Default* *Indicates Default

QUICK REFERENCE

– 12 –

Step 3: Enter user five digit password (PW). This

is the same password established to access the

CONFIG mode in the menu.

Step 4: Press the CONFIG key to select the desired

option.

Step 5: Press ENTER to finalize the selection.

Notes:

Selecting the DISAB feature does not disable the

CLEAR button on the keypad for the MAX/MIN fea-

ture. If the DISAB feature is selected, pressing the

ZERO button on the keypad will cause the display to

read DISAB for two seconds. The gauge will then

revert back to the unit of measure of the gauge. The

DISAB feature disables the zero feature of the gauge.

Zero Disable Feature:

This feature allows disabling the Zero/Clear button

on the keypad. It also allows for a zero tolerance of

either 5% (default) or 10% of the gauge range.

Step 1: Press the CONFIG key until the word ZERO

SP appears.

Step 2: Press ENTER.

Step 3: A prompt appears to enter PW (enter

password). The ZERO SP password is the same

password as discussed on page 10 and the head-

ing CALIBRAT:, Gauge Calibration. Follow the

instructions on page 10 to enter a password.

Step 4: Press the CONFIG key to select the zero

tolerance, either 5% or 10% of range, or press the

CONFIG key again and the word DISAB appears.

Press ENTER to select the new default setting.

– 11 –

Zero Calibration:

Step 14: Press the CONFIG key once and the word

CALIBRA appears. Press ENTER. (This mode

allows for 0 and full- scale adjustment of span.)

The gauge will now display 0.00. Ensure the gauge

is not pressurized,

1then press ENTER to zero the

gauge. Zero calibration is now complete.

Full Scale Calibration

Step 15: The gauge will now display full-scale

range (e.g. 100.00 psi). Pressurize the gauge to

100% of the range (which is equal to the displayed

value) utilizing a pressure standard with accuracy

four times greater than the unit being calibrated.

Press ENTER. Full-scale calibration is now complete.

Notes:

1. If the digital gauge under test is not pressurized

while in span adjustment of full-scale range, an

ERROR message will be displayed when the

ENTER button is pressed. If this occurs, press

the ZERO CLEAR button on the keypad to return

to the previous screen.

2. ASME B40.7-1998, section 6.1.1.1 recommends

the working standard for the gauge being tested

is 4X better than the digital gauge under test.

This means the pressure standard measuring

the full-scale pressure being applied to the

gauge should have an accuracy four times

greater than the unit being spanned.

Zero SP (span):

This feature allows setting the % of span in which

the zero button will operate. Span is limited to pre-

vent accidental tare of process pressures. Options

are 5%, 10% or DISAB (5% is the factory default

and means the unit can be rezeroed between ±5%

of span). If DISAB is selected, the zero button is

deactivated and no display change will occur when

the zero button is pushed.

Step 1: Press the CONFIG key until the word ZERO

SP appears.

Step 2: Press ENTER.

– 6 –

Turns the gauge on and off. When pressing the

ON/OFF key while in the off position, gauge start-

up display first indicates the software version

followed by the gauge pressure range. The gauge

will then display indicated pressure and be ready

for use.

Manually turns backlite on and off. (See CONFIG

mode for options).

Press this key prior to gauge usage to rezero any

initial offset less than ±5% of the rated gauge

range. If indicated pressure is greater than 5% of

range, the rezero feature becomes inoperable. This

prevents accidental tare of a pressurized gauge.

To clear minimum and maximum values, press

ZERO/CLR button (when min/max values are indi-

cated.

This key allows for customization of the gauge.

Pressing the CONFIG key allows cycling through

the main menu items; UNITS, UPDATE, AUTO OFF,

BACKLITE, LANGUAGE, DAMPING, CONTRAST &

CALIBRAT.

KEYPAD FUNCTIONS

ON/OFF

BACK

LITE

MAX

MIN

ZERO

CLR

CONFIG

ENTER

Allows review of minimum and maximum pres-

sure values since unit start-up or last push of the

clear button. Press key to:

1) Indicate maximum pressure.

2) Indicate minimum pressure.

3) Exit MAX/MIN mode and return to unit of pres-

sure measurement mode. To clear minimum

and maximum values press ZERO/CLR button.

Must be in MAX/MIN mode.

Note: MIN/MAX data is lost when unit is turned

off.

Used in conjunction with CONFIG key, see

next page.

– 7 –

KEYPAD FUNCTIONS

UNITS: 12 units of measurement are available,

both English and metric, by cycling through the

UNITS key; psi, ˝Hg, ˝H2O (with three temperature

options, 60°F, 4°C and 20°C), ftSw, Bar, mBar,

kPa, MPa, mmHg, cmH2O, mmH2O, kg/cm2.

Step 1: Press the CONFIG key until the word

UNITS appears.

Step 2: Press the ENTER key.

Step 3: Press the CONFIG key once to select

ENGLISH or again to select METRIC.

Step 4: Press the ENTER key with selection of

ENGLISH or METRIC.

Step 5: Press CONFIG key to select unit of

measurement.

Step 6: Press ENTER key to finalize unit of

measurement.

UPDATE: this option allows for changing the rate

at which pressure is updated on the display

screen. The default rate measures pressure at the

maximum rate of 10* updates per second or 100

milli-seconds. Optional rates of measurement are

measured in updates per second. The options are

10*,5, 2 or 1 update of pressure measurement

per second.

Since customer processes vary, update rates

should be selected based on the application.

To use the UPDATE option:

Step 1: Press the CONFIG key until the word

UPDATE appears.

Step 2: Press the ENTER key.

Step 3: Press the CONFIG key to select the

desired update rate.

Step 4: Press ENTER key to finalize UPDATE rate.

AUTO OFF: this option sets the amount of time

before the gauge will turn itself off after no activity.

*Indicates default.

– 10 –

Step 1: Press the CONFIG key until the word CAL-

IBRAT appears.

Step 2: Press the ENTER key.

Step 3: The letters/asterisks… PW***** appear.

Step 4: Press the CONFIG key. An Ø appears in

the first position.

Step 5: Press the ENTER key once.

Step 6: Press the CONFIG key until Ø appears. Ø

will appear in the second position.

Step 7: Press ENTER.

Step 8: Use this format until all the asterisks are

replaced with Ø.

There now should be a total of five Ø’s on the

keyboard display. The zero in the fifth position

should be blinking.

Step 9: Press the ENTER key. You are now

prompted to SET PW (or set password).

Step 10: Press the ENTER key.

Step 11: Decide on a five number user password,

then follow the procedure above inserting a num-

ber in the flashing display until all five numbers

are inserted.

Step 12: A SAVE prompt will then appear. If the

selected user password is acceptable, press

ENTER. If the selected user password is not

acceptable press ZERO CLEAR to refigure the user

password.

After the password is configured, the default fac-

tory password will be replaced with the user pass-

word. Once configured, the factory password is no

longer accessible.

If an incorrect password is entered, the system

will display WRONG. Press the CONFIG key to

reenter the correct password.

Step 13: Press ENTER again to begin calibration.

Note: Calibration feature allows recalibration of

zero and span.

KEYPAD FUNCTIONS

*Indicates default.

– 9 –

available LANGUAGE options.

Step 4: Press the ENTER key to finalize your

LANGUAGE option.

DAMPING: with six different options, this mode

allows for taking process pressure readings and

averaging them. This option is particularly useful

when there is pulsation in the process. The

options are NONE*, AVG 2, 4, 6 or 8.

Step 1: Press the CONFIG key until the word

DAMPING appears.

Step 2: Press the ENTER key.

Step 3: Press the CONFIG key to select one of the

available DAMPING options.

Step 4: Press the ENTER key to finalize your

DAMPING option.

CONTRAST: this mode allows for BACKLITE con-

trast level. Seven options are available, 1, 2, 3, 4*,

5, 6 and 7.

Step 1: Press the CONFIG key until the word CON-

TRAST appears.

Step 2: Press the ENTER key.

Step 3: Press the CONFIG key to select one of the

available CONTRAST options.

Step 4: Press the ENTER key to finalize your CON-

TRAST selection.

Note: setting high contrast levels will decrease

battery life.

CALIBRAT.:

Gauge Calibration: Both zero and span adjust-

ments are available. This gauge has been config-

ured with a default password of ØØØØØ. This fac-

tory password does not allow access to calibra-

tion. To access the calibration mode, it is neces-

sary to configure a user password. Once the user

password is configured, it will become the default

password that allows access to gauge calibration.

To access the factory default password:

KEYPAD FUNCTIONS

*Indicates default. *Indicates default.

– 8 –

Offerings are Never*, 2, 5, 15, or 30 minutes.

To use the AUTO OFF option:

Step 1: Press the CONFIG key until the word

AUTO OFF appears.

Step 2: Press the ENTER key.

Step 3: Press the CONFIG key to select the

desired AUTO OFF rate.

Step 4 Press the ENTER key to finalize the AUTO

OFF rate.

BACKLITE: 5 options are available. They include

ON/OFF*, 10 seconds, 30 seconds 1 or 5 min-

utes. With the ON option pressed, the gauge back-

lite will remain lit whenever the gauge is in the ON

mode or until the backlite button is pushed again.

Options allow the backlite to automatically turn-off

after a selected period of time. Note: leaving back-

lite button on will decrease battery life.

To use the BACKLITE option:

Step 1: Press the CONFIG key until the word

BACKLITE appears.

Step 2: Press the ENTER key.

Step 3: Press the CONFIG key to select one of the

available time options.

Step 4: Press the ENTER key to finalize your

choice of BACKLITE options.

LANGUAGE: available in seven different languages,

this option allows the user to change the default

language in the CONFIG mode. The languages

include English*, French, Spanish, German,

Italian, Portuguese and Dutch.

Step 1: Press the CONFIG key until the word LAN-

GUAGE appears.

Step 2: Press the Enter key.

Step 3: Press the CONFIG key to select one of the

KEYPAD FUNCTIONS

*Indicates default. *Indicates default.

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