SUKU 3321 Manuale utente

Operating manual

Digital manometer

With integrated bar graph display

Type 3321 and 3322

Content

1. Foreword 3

2. Digital manometer description 4

3. Commissioning 4

4. Pressure connection 5

5. Description of parameters 6

6. Programming 3321 / 3322 8

7. Technical Data 12

8. CE-conformity 13

9. Maintenance 13

10. Troubleshooting 13

11. Cleaning 13

12. Disposal 13

Warning

When screw-fitting the gauges the force required for this must not be applied

through the case or terminal box just through the spanner flats (with suitable tool)

provided fort his purpose.

G 1/8 = max. 20Nm

G ¼ = max. 25Nm

G ½ = max. 50Nm

1. Forward

Thank you for the confidence that you have shown in SUKU by purchasing the digital

manometer.

Like all other SUKU products the digital manometer are a combination of customer

requirements, state-of-the-art technology, modern manufacturing and stringent quality

control.

The SUKU digital manometer described in the operating instructions is designed and

produced in line with the most recent developments. All components are subject to the

strictest quality criteria during production.

These operating instructions have been compiled with care. However, it is impossible to

take every possible usage case into consideration. For this reason, if you feel that

instructions for your particular usage case are missing, please contact SUKU, and we

would be pleased to provide assistance. Please observe the relevant national safety

regulations during the installation, start-up and operation of this temperature switch (e.g.:

VDE 0100).

Scope

These instructions apply to the 3321, 3322 series of digital manometers. Distinctions are

drawn between the 3321 and 3322 models in the individual sections.

The state of technology at the time of delivery always applies. SUKU reserve the right to

make technical changes without notice.

All rights to these operating instructions are reserved. These operating instructions,

including extracts thereof, must not be copied or translated into other languages without

written permission.

Safety instructions and warnings

Please read these instructions before installing and starting up the digital manometer.

Failure to follows the instructions will make all guarantee, warranty and compensation

claims null and void.

• Please sure that the digital manometer is suitable for your application.

• Please check that the materials that come into contact with the medium are compatible

with the media that are going to be measured.

• Perfect function and operating reliability of the device can only be guaranteed for the

value specified in the technical data sheet.

• Only qualified electrical connection and the correct tools must always be used.

• Damaged devices must not be started up. If damage occurs during operation, suitable

measures must be taken to prevent persons or property from being put at risk by the

damaged digital manometer.

•The manometer must only be repaired by SUKU.

The accepted technical regulations and all national regulations must always be observed

and complied with. 3

Exclusion of liability

SUKU guarantees that the digital manometer is in perfect working condition when it is

delivered. The basis consists of the technical data in the data sheet and these operating

instructions.

Liability cannot be accepted for the suitability of the digital manometer.

Usage for any other purpose than the ones that are mentioned in „Correct purpose of use“

is not permitted.

2. Digital manometer description

The digital manometer is available in two versions (type 3321 and 3322) for the most

varied areas of use.

The digital manometer offers the user numerous measuring units (bar, psi and MPa).

Additional functions such as MIN/MAX memory, tare adjustment plus bar graph with

trailing pointer function round of the digital manometer’s profile. The programmable

parameters are adjusted by means of user-friendly keys on the front.

Correct purpose of use

The equipment is only authorised for proper use for its correct purpose. Failure to do this

will invalidate all warranties and release the manufacturer from all responsibility!

The equipment is constructed in compliance with IP65 and should be protected from

excessive amounts of water and dust.

The equipment must be installed so that it is protected from external damage.

It must be ensured that the manometer is correctly installed and has the relevant IP

protection.

The limits specified in the data sheet must be complied with.

3. Commissioning

Installation

The digital manometer must be connected to the pressure tapping point in a suitable

manner using your own tools. In this case there must be no occurrence of pressure which

exceed the device’s maximum pressure values. Pressures which exceed the digital

manometer’s maximum range can lead to permanent damage to the measuring device.

8. CE - Conformity

The manometer complies with all requirements of EN 61 326 with regard to interference

emission and immunity for use in industrial areas. SUKU recommend the use of shielded

cables. Installation and cable routing must be carried out correctly in order to maintain the

effective protection from electromagnetic interference.

9. Maintenance

The digital manometer that are described in this document are maintenance free. The

equipment will also operate in a stable state for long periods, meaning that regular

adjustment or the like is not required.

10. Troubleshooting

No modifications must be made to the equipment. Only the manufacturer is allowed to

repair the device.

11. Cleaning

The exterior of the digital manometer can be cleaned using a soft, moistened cloth. Heavy

soiling can be removed using a mild cleaning agent.

12. Disposal

The packaging and used parts must be disposed of in accordance with the regulations of

the country in which the device is installed.

7. Technical Data

Models

3321 with 9999 digit, 7 segment

3322 with 19999 digit, 7/14 segment, second display

Display

• Accuracy

• Conversion rate

11 mm high, bar graph display

0,5 % of full scale ± 1 digit 1)

5 /sec

Measuring range according to

0...2 bar up to 0...700 bar, others on request

Type of pressure

positive overpressure, negative overpressure

Overload limit

2-fold, max .1000 bar

Parts in contact with material

measured

Measuring ranges 50 bar stainless steel; AL O3; NBR

Measuring cell ceramic

Measuring range 100 bar only stainless steel,

Measuring cell thin-film technology

Pressure connector

G ¼ B, ¼ NPT, other connections on request

Stability per year

± 0,2 % of full scale under reference conditions

Memory

MIN / MAX (not volatile even when changing batteries)

Programming mode

Parameters

• Password

• Tare

• Automatic switch off time

• Measuring unit

3321: without, 3322 : settable

3321: without, 3322 : 20% of full scale, settable

3321: without, option 2…90 min. factory set

3322 : settable

bar, PSI MPa selectable

Illumination of display

3321: without

3322 : with

Voltage supply

• Operating life

2x 1,5V Mignon cell AA

4000h (AA 000 mAh)

Temperature comp. range

0…60 °C

Temperature effect

• Zero point

• Measuring range

0,15% / 10 K

0,1 % / 10 K

Degree of protection

• permissible relative humidity

IP65 acc. to EN 60529/IEC 529

< 90%, non-condensing

Emitted interference 2)

According to EN 61326

Noise immunity 2)

According to EN 61326

Temperature ranges

• Storage

• Mat. measured

• Environment

-20 … 70 °C

-30 … 85 °C (-30 … 100 °C for meas. range 100 bar)

-10 … 60 °C

Case

Stainless steel, option black protective cap

Weight

Approx. 0.4 kg

1) Measuring deviation to IEC 61 98- , including non-linearity, hysteresis, deviation of zero point

and upper range value

2) Conformity declaration on request

Voltage supply

The digital manometer is operated with 2 Mignon AA batteries. A flashing battery symbol

appears on the display screen if the battery charge is low and the batteries should then be

replaced as soon as possible. Open the battery compartment lid on the back of the digital

manometer. Replace the batteries with 2 new Mignon cells. Replace the battery

compartment lid.

4. Pressure connection

5. Description of parameters

Display screen 3321

Display screen 3322

Tare function 3322

In this mode the positive deviation of the measured value from the tared value (max. 20%

of the measuring range) is constantly indicated by the main display. The untared pressure

value is always shown on the bar graph display. Thus the digital manometer’s actual

working load can be read off even if the tare function is active. When the tare function is

active, a function indicator appears on the display. There are 2 possible ways of

activating this mode.

1) Select the tare function and set the value to be tared using the keys . When set, the

measured value to be tared is back up as tare. The main display and the auxiliary display

then show the value “0000” in the unpressurised state. Example: if a value to be tared is

set as 2 bar, the main display indicates 0 bar in the unpressurised state.

2) Load the digital manometer with the pressure to be tared. The current measured value

appears in the main display field of the main display. Select the tare function and then

operate both keys simultaneously . The current measured value will be backed up as

tare. The main display and the auxiliary display are set to (0000).

Setting the tare value to (0000) resets the tare function in both models.

Function in Normal Mode

Key

Function / Action

- switches the device on

- switches the device off

- changed to programming mode if pressed

for longer than 3 sec

- Display indicated max. value as long as

key is pressed

- Display indicated min. value as long as

key is pressed

- Resets max. value to „0“

- Resets min. value to „0“

Min / Max Memory

The min/max memory is updated with the current measured value in every measuring

cycle.

The min. value is displayed by pressing the min. key.

The max. value is displayed by pressing the max. key.

Pressing and holding the appropriate key (min. or max) and quickly pressing the menu key

at the same time resets the device to the current measured value.

Bar Graph with trailing pointer function

The integrated bar graph display with trailing pointer function additionally indicated on the

display shows the trend in current working pressure directly regardless of the digital

display. With the help of the trailing pointer function, the max stored value is also indicated

in the bar graph display in addition to the digital display in the form of a bar segment. This

bar segment is also updated to the current measure value when the min/max value is

reset.

6. Programming Model 3321/3322

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