Hydrotechnik HTE2 Manual de usuario

Ba_Ref-E2D2C2 • 09/2022

Digital Pressure Gauges Types

HTE2/D2/C2 & HTE2-L-E2/D2/C2

Operating manual

...............................................page 20 – 36

T E S T E N G I N E E R I N G L T D

Cert. 00007

HTE2 & HTE2-L Operating manual

Hydrotechnik UK Test Engineering Ltd, 1 Central Park, Lenton Lane, Nottingham, NG7 2NR, UK

+44 (0)115 9003 550 |[email protected] |www.hydrotechnik.co.uk

E2 / D2 / C2

-20 - Ba_Ref-E2D2C2 • 09/2022

Table of contents page

0About This Operating Manual..................................................................................20

1Safety Instructions...................................................................................................21

2Device Description ..................................................................................................22

3Structure..................................................................................................................23

4Connection and Battery Replacement.....................................................................24

5Operation ................................................................................................................26

6Data Logger ............................................................................................................28

7Maintenance and Return Shipment.........................................................................29

8Disassembly and Disposal ......................................................................................30

9Technical Data ........................................................................................................31

10 EU Declaration of Conformity.................................................................................. 36

0 About This Operating Manual

•Read carefully before use!

•Retain for later reference!

Symbols used:

WARNING

Failure to do so may result in death or serious injury.

CAUTION

Failure to do so may result in minor or moderate injury.

IMPORTANT

Failure to do so may result in damage to property and the environment.

If you have any problems or questions, please contact your supplier or contact us directly at:

Hydrotechnik UK Ltd.

1 Central Park, Lenton Lane

Nottingham NG7 2NR / United Kingdom

+44(0)115 900 3550

[email protected]

www.hydotechnik.co.uk

The reproduction, distribution and utilization of this operating manual as well as the communication

ofits contents toothers without express authorization is prohibited. Offenders will be held liable for

design.

Exclusion of liability

We accept no liability for any damage or malfunctions resulting from incorrect installation, inappropri-

ate use ofthe device or failure to follow the instructions in this operating manual.

E2 / D2 / C2 Safety Instructions

Technical changes reserved - 21 -

1 Safety Instructions

Read the operating manual carefully. Follow all instructions and notices to prevent injury or

damage to property.

Intended use

The digital pressure gauge may only be used for checking, adjusting and calibrating pressure

measuring devices.

The digital pressure gauge must not be used outside the specification or in violation of the

operating instructions.

WARNING

The digital pressure gauge is not a safety component in accordance with Di-

rective 2006/42/EC (Machine Directive).

Never use the device as a safety component.

The operational safety of the device supplied is only guaranteed by intended use. The speci-

fied limits (p. 31) may under no circumstances be exceeded.

This applies in particular to compliance with the permissible pressure range end value and

the permissible temperature range.

WARNING

Exceeding the maximum overload values can lead to material failure of the digital

pressure gauge. This can cause serious damage to health.

Make sure that the overload values are never exceeded.

Qualified personnel

•The personnel in charge of the installation, operation and maintenance of the device

must hold a relevant qualification. This can be based on training or relevant instructions.

General safety instructions

•Degree of protection according to EN 60529:

Ensure that the ambient conditions at the place of use do not exceed the requirements of

the specified degree of protection (p. 31).

•Only use the device in perfect condition. Damaged or faulty devices must be checked im-

mediately and replaced if necessary.

•Do not remove or destroy type plates or other markings on the device, or the warranty is

rendered null and void.

Device Description E2 / D2 / C2

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2 Device Description

The types E2 / D2 / C2 are digital pressure gauges with actual value and MIN/MAX display.

They have an accuracy of ±0.5% Type E2, ±0.1% Type D2 and ±0.05% Type C2, relative to

the corresponding pressure range end value (FS).

Signals from the pressure measurement cells are recorded at a sampling rate of 10 ms

(100 measurements/s), converted into pressure values and displayed. Thanks to the high

sampling rate, dynamic pressure peaks can also be measured. They are written to the

MIN/MAX memory, which is continuously updated.

Versions

Standard

Version with data logger

Accuracy (from end value)

E2 0.5%

D2 0.1%

C2 0.05%

Pressure range

Resolution

-1...3 bar

1 mbar



-1...5 bar

1 mbar



-1...10 bar

1 mbar



-1...20 bar

1 mbar



-1...40 bar

10 mbar



-1...60 bar

10 mbar



0...100 bar

10 mbar



0...160 bar

10 mbar



0...250 bar

100 mbar



0...400 bar

100 mbar



0...700 bar

100 mbar



0...1000 bar

100 mbar



E2 / D2 / C2 Structure

Technical changes reserved - 23 -

3 Structure

Components

USB connection with protective cap (only

version with data logger).

Cast zinc housing with rubber protection

cap.

LC display with backlight.

Control panel with buttons.

G¼″ pressure connection.

Versions of rubber protection cap (rear side)

Rubber protection cap made of one piece

Rubber protection cap for opening

Display

Bar graph display.

Unit display.

MIN/MAX or Full Scale (FS).

Measured value display.

Connection and Battery Replacement E2 / D2 / C2

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4 Connection and Battery Replacement

The digital pressure gauge has a G¼″ (BSPP) male thread and is supplied with batteries fit-

ted. The device is ready for operation after it is switched on.

WARNING

The connection (AF 27) is approved up to a nominal pressure of 1,000 bar.

Observe the nominal pressure specifications of the installed measuring con-

nections and the specified safety factors.

Improper installation of the pressure gauges and the corresponding adapters

can lead to the pressure gauges being torn off.

4.1 Connection

The housing of the digital pressure gauge can be rotated on the pressure connection. When

mounting directly, make sure that no attachments obstruct the rotation.

1. Prepare the measurement setup for connection

to the G¼″ pressure connection.

WARNING

Only use adapters with corresponding nominal

pressure specifications!

2. Make sure that the gasket is correctly seated in

the pressure connection.

3. Carefully turn the digital pressure gauge by

hand into the measurement setup thread.

4. Tighten the pressure connection with an open-

end wrench (AF 27).

WARNING

The mounting must be carried out with a torque of 25 Nm.

5. Align the digital pressure gauge for your application.

E2 / D2 / C2 Connection and Battery Replacement

Technical changes reserved - 25 -

4.2 Battery Replacement

The battery capacity is indicated by the number of bars (0…5 bars) in the battery symbol.

The batteries should be replaced when no bar is visible and the bat-

tery symbol flashes. The digital pressure gauge is still completely

functional.

The batteries must be replaced when the additional message

Lo bAtt appears. The digital pressure gauge is no longer opera-

tional.

1. Switch off the device.

If you have a rubber protection cap for

opening, you can simply remove the rubber

protection cap from the housing.

Otherwise, we recommend that you leave

the protection rubber cap on the housing

during battery replacement.

2. Open the housing:

Completely remove the screws from the

rear cover.

3. Lever the rear cover off the housing.

4. Set the rear cover aside.

5. Replace the batteries (LR6 - AA).

!!! Pay attention to the POLARITY !!!

NO HOUSEHOLD WASTE

The batteries must be disposed of.

6. Check the seat of the gasket in the rear

cover and watch out for signs of damage.

7. Carefully attach the rear cover to the hous-

ing.

8. Align the rear cover with the boreholes.

9. Re-tighten the rear cover screws with

0.6 Nm.

Operation E2 / D2 / C2

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5 Operation

Button

1. function

2. function

(press for 2 s)

Switch the device on or off

Switch on backlight (20 s)

Display MIN, MAX or full scale

value (FS)

Setting the date and time*

Correct zero point

Open device settings

Delete MIN and MAX values /

confirm entry

Start or stop data logger*

* Only version with data logger

5.1 Display Mode

During switching on, the serial number is displayed. Then the digital

pressure gauge is in display mode and the current measured value is

displayed.

The zero point suppression is 0.1% of the range. Example: Digital

gauges with a pressure range of -1...10 bar only indicate pressures

from 0.010 bar.

Pressure range exceeded / oFL display

The oFL display appears if the current pressure is outside the pres-

sure range (≥ 110% FS) of the digital pressure gauge. If the pressure

drops below this range again, the current measured value is dis-

played.

If the oFL display appears in depressurised state, there is a malfunc-

tion.

Please contact SIKA.

Zero point correction (ZERO)

In case of unwanted deviations in depressurised condition (atmospheric pressure), the zero

point can be corrected manually.

IMPORTANT

The zero point correction sets the current ACTUAL value to zero. If the ZERO

function is activated when pressure is present, the pressure measurement is no

longer carried out against ambient pressure and incorrect measurements will oc-

cur.

E2 / D2 / C2 Operation

Technical changes reserved - 27 -

Press the ZERO/MENU button.

2Ero on appears in the display for 2 s. The ZERO function can

be activated.

Press the SET/OK button to perform the zero point correction.

The display and the MIN/MAX values are reset.

oFL 2Ero appears in the display for 2 s. The measured pres-

sure (0 bar) is greater than 5% of the pressure range. The ZERO

function cannot be performed.

The device switches back to measuring mode.

Depressurise and press the ZERO/MENU button again.

Resetting the zero point correction

The zero point correction stays activated until the device is switched

off. After it is switched on again, the zero point correction is no longer activated.

5.2 Device Settings

Press the ZERO/MENU button for 2 s.

Press ZERO/MENU button to continue.

Automatic shut-off

(

Po off

Po on

)

Press the ZERO/MENU

button for the next menu item.

Confirm your selection with

the SET/REC button. You

return to the display mode.

Measuring unit (

unit

)

Display filter (

Filt

Delete all measured data**

(dEL dAtA)

Device information

* Value selection: 0...7 (0 = no damping)

** Only version with data logger

You will automatically return to the display mode if you do not press any button for about 5 s.

Automatic shut-off

When the function is activated, the device automatically switches off after 5 minutes.

The automatic shut-off is deactivated for devices with data logger during data recording.

If the function is deactivated, the device is in continuous duty and has to be manually

switched off with the ON/OFF button.

The current setting is displayed when the digital pressure

gauge is switched on:

Po on = activated (automatic shut-off);

Po off = deactivated (continuous duty).

The settings Po on or Po off remain stored and are ac-

tive again when the device is switched on.

Data Logger E2 / D2 / C2

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5.3 Setting the Date and Time

Only version with data logger:

Press the MIN/MAX/ button for 2 s.

Press the SET/REC button to continue.

Year (

4ear

)

Press / to set the

value.

Confirm with the SET/REC

button.

Month (

Mntx

)

Day (

da4

)

Hour (

Xour

)

Minute (

Min

)

Decimal separator*

(C0mma /P0int 5i9n)

Confirm with the SET/REC

button. You return to the dis-

play mode.

* Depending on the region, different decimal separators are used for the measured values.

6 Data Logger

Only version with data logger:

With the data logger function you can save up to 10 recording series. The longest recording

duration is 48 h. The storage rate adapts automatically within the recording duration. You can

transfer the measurement data in CSV format to your computer via the USB interface.

Recording duration

Max. time span

Storage rate

Max. data sets

0 s–1,800 s (0.5 h)

0.5 h (1,800 s)

100 ms

18,000

1,800 s–3,600 s (0.5 h–1 h)

1 h (3,600 s)

200 ms

18,000

1 h–2 h

2 h (7,200 s)

400 ms

18,000

2 h–4 h

4 h (14,400 s)

800 ms

18,000

4 h–8 h

8 h (28,800 s)

1,600 ms

18,000

8 h–16 h

16 h (57,600 s)

3,200 ms

18,000

16 h–48 h

48 h (172,800 s)

6,400 ms

27,000

6.1 Start or Stop Data Logger

Start data logger

Press the SET/REC button for 2 s.

REC flashes on the display. The number (1-10) of the recording series is also displayed.

Stop data logger

Press the SET/REC button for 2 s.

The data is saved and you return to the display mode.

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