Ecom Ecom-LSG Manual de usuario

Operating Instructions

and

Page 2 ecom-DP

Index Page

ecom-DP

1. Application 4

2. Design ecom-DP 5

3. Connection of components

4. Initialisation

4.1. Power supply 7

4.2. Accumulator charging 7

4.3. Clock set 7

5. Numerical indication

5.1. Zeroing pressure sensors 9

5.2. Freezing measurement values 9

5.3. Min. / Max. measurement values 10

5.4. Printout measurement values 10

5.5. Contrast and display backlit 10

. Pressure check 11

7. Set clock 12

8. Internal instrument settings

8.1. Switch on/off key beep 12

8.2. Pressure Auto -> 0 by start 13

8.3. Choose printer (ecom-P) 13

8.4. Battery loading 13

8.5. Display damping 13

8. . Pressure unit 14

8.7. Auto OFF function 15

8.8 Contrast 15

8.9 Light 15

9. Sensor setup 1

10. View service info 1

11. Data logger program „ecom DP Logger“ 17

12. Technical data ecom-DP 18

13. Maintenance tip 19

ecom-DP Page 3

Index Page

ecom-LSG

1. Application 21

2. Instrument design 21

3. Power supply 22

4. Battery change 22

5. Operation 22

. Leak detection 23

7. Zero point 23

8. Adjustments 24

9. Swtch off 24

10. Function control 24

11. Technical data 25

12. Maintenance tip 25

Page 4 ecom-DP

1. Application

The ecom-DP is designed to make easy pressure measurements and tightness

checks at gas pipes and gas installations.

Please respect the legal safety instructions

by works at gas pipes!

ecom-DP Page 5

2. Design ecom-DP

Pressure connection P1+

Pmax 999,9 mbar

Connection P1-

IR interface

(for IR printer)

Function keys

(current function is

shown on display)

Connection

loading unit

Grafic

display

Cursor keys

Confirmation key

ON/OFF key

Backside

Battery

compartment

Magnetic

fixation

Page 6 ecom-DP

3. Connection of components

Please connect the components as shown on below plan.

1. Please use for the pressure check only diffusion-close hoses!

2. For usual pressure measurements also not diffusion-close

material like e.g. silicone may be used.

3. A silicone hose can be pushed directly over the quick

connection.

If remounting the Swagelok-screw connections, please turn

the nut firmly with your fingers and another 1/4 revolution

with a wrench!

Connection

hose 2

Connection

hose 1

Connection

hose

(ecom-DP –

Cross piece)

ecom-DP

Swagelok-

screw connec-

tions

Cross piece

Compres-

sed

air ball

Shut-off valve

Quick connections

Plug for not

necessary hose Plug for not necessary

connection at cross piece

Hose 2

(Gas system – Cross piece)

Hose 1

(Gas system –

Cross piece)

ecom-DP Page 7

4. Initialisation

4.1. Power supply

The ecom-DP is powered by 3 batteries or 3 accumula-

tors. The following types can be used to operate the

instrument:

- Battery 1,5 V AA (Mignon)

- Accu 1,2 V AA NiCd (nickel cadmium)

- Accu 1,2 V AA NiMh (metal hydride)

If you are using a accu charger, please adjust the func-

tion „Bat. Loading“ (see chapter 8.4.)

Open the battery compartment and insert the batteries.

Be careful to ensure proper polarity. If using the re-

chargeable battery type, it will be necessary to fully

charge the batteries prior to initial use (approx. 4 hours).

The voltage of the batteries is monitored by the DP and

will indicate a low battery condition by approx. 3.3 V by

beeping and flashing a signal on the LCD display. If the

voltage sinks (approx. 3 V) so the ecom-DP will auto-

matically switch off.

4.2. Accu charging

The accu charging procedure is monitored by the ecom-

DP. Once connected to AC power, the instrument

switches on. During the charging procedure, a BAT-

TERY indicator will be shown on the LCD display. Once

the battery is fully charged, the BATTERY indicator on

the display will blink. It is possible to operate the ecom-

DP on AC power during the charging procedure by

pressing the <ON> button.

4.3. Setting clock

The internal clock and the internal RAM memory of the

ecom-DP are buffered via a capacitor. If the instrument

is without current supply during more than approx. 10

minutes, the recorded information gets lost. Before us-

ing the ecom-DP for the first time, adjust the internal

clock and delete the internal RAM memory.

Accu warning

Page 8 ecom-DP

Press <ON> to switch on the ecom-DP.

The instrument displays the following:

Clock set

Delete RAM

Press OK to continue!

- Press twice the <OK> key and the measurement value

menu will be displayed.

- Press <F2> (wrench symbol) to call up the menu „In-

strument settings“.

- With the cursor keys <UP/DOWN> scroll until the

menu point “Set clock”.

- Press <OK> to activate.

Date and time can be set as follows:

1. Select with the cursor keys <RIGHT/LEFT> the posi-

tion to be changed (corresponding field blinks).

2. Adjust the correct numbers with the cursor keys

<UP/DOWN>.

3. Press <OK> to confirm correct date and time settings.

ecom-DP Page 9

5. Numerical indication

After switch-on, the specifications of the pressure sen-

sor will be displayed: denomination, measurement

range and connection seizure (+/-). Press <OK> to

access to the measurement value menu.

5.1. Zeroing the internal pressure sensor

Please remember not to flow the pressure sensors

with pressure during the zeroing procedure.

As the difference pressure sensor can drift because of

its sensitivity in the zero point, it is possible to reset the

zero point.

- Press <F4> (P1) to zero the value of the pressure

sensor.

Different functions can be called up with the function

key <F1>. The current seizure of the other function keys

(<F2> - <F4>) is shown on the display. Press one time

<F1> to display the functions „Hold“, „Min/Max“ and

„Print“.

5.2. Freezing of measurement value

- Press <F2> (Hold) to „freeze“ that measurement value

displayed at the time the key is pressed (active function

Hold indication blinks).

- Press again <F2> (Hold) to quit the „freezing“ and the

current value will be displayed.

1. Before making measurements, the instrument must have

adapted the ambient temperature!

2. Make sure, that the ambient temperature remains constant

during measurement!

If „Pressure Auto -> O by start“ is set on

„YES“ (Chapter 8.2), so the internal pres-

sure sensor should be flown with pres-

sure first after the switch-on of the in-

strument, as they are zeroed during

said switch-on procedure.

Page 10 ecom-DP

5.3. Minimal / Maximal measurement values

With <F3> (Min/Max) the determined minimal and max-

imal values since unit´s switch-on (or deleting via

„CLR“) can be called up.

- Press one time <F3> (Min/Max) to view the lowest

determined values (Min/Max blinks).

- Press <F2> (CLR) to delete the minimal values (new

scanning begins).

- Press again <F3> (Min) to view the highest values

(Min/Max blinks).

- Press <F2> (CLR) to delete the highest values (new

scanning begins).

- Press one more time <F3> (Max) to quit the menu.

5.4. Printout measurement values

Press <F4> (Print) to transmit the current measurement

values via the infrared interface to the IR printer (op-

tion).

Condition hereto is a trouble free connection (direct

sight) between the sending diode at the front of the in-

strument and the receiving diode of the printer. The

distance between both instruments should not exceed

40 cm (1.3 foot), otherwise a trouble free transmission is

not warranted at any time.

The printout can be made with the infrared printers

ecom-P and HP 82240B. Please choose the used print-

er, as shown under capter 8.3.

5.5. Contrast adjustment and lighting

Basing on the previous function seizure, the functions

„LUMI“ and „Light“ are displayed after pressing <F1>.

The graphic display of the ecom-DP can be adjusted to

different visual conditions. The contrast can be adjusted

in 5 steps (each key pressing one step) while press-

ing <F3> (LUMI). Additionally the backlighting of the

display can be activated while pressing <F4> (Light).

-----------------------------------

ecom-DP

-----------------------------------

Date Time

05.10.01 12:12:50

-----------------------------------

P 0.0 (hPa)

-----------------------------------

min max

P -0.1 0.1 (hPa)

-----------------------------------

ecom GmbH

Am Grossen Teich 2

58640 Iserlohn

Tel. 02371-9455

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