Keller Dv-2 Bedienungsanleitung

➀➁

➂

➃

operating manual dv-2

➀ Select-Key

➁ enter-Key

➂ Actual Pressure

➃ Pressure Connection

> > > > > October 2005

Digital manometer

- 2 - www.keller-druck.com

GENERAL

dV-2 has two operating keys. The left key (Select) serves to select the functions and

the pressure units. The right key (enter) activates the selected function or pressure

unit.

Turn-on: Pressing either key turns the instrument on. When pressing the right key

(enter), the dV-2 immediately indicates the actual pressure.When turning on with the

left key, the instrument ﬁrst displays the software version (month/year), followed by

the full scale pressure range (in bar). When the instrument is turned on, an arrow is

pointing to the pressure unit in use. If the battery symbol ( ) lights up, the battery must

be replaced. A triangle with an exclamation mark ( ) indicates that the instrument

is in the continuous operation mode (if not, the instrument turns off 15 minutes after

the last key function).

Turn-off: Pressing the right key (enter) turns the instrument off.

FUNCTIONS / UNITS

Max Press Select: An arrow points to ”Max”. The maximum pressure

is displayed for 5 seconds.

Min Press Select 2x: An arrow points to ”Min”.The minimum pressure

is displayed for 5 seconds.

Reset Press Select 3x: An arrow points to ”Reset”. Press enter: The

max. and min. values are set to the actual pressure.

Mano Press Select 4x:. An arrow points to ”Mano”. Press enter:

Set ”Zero” is displayed. The other programming functions are

subsequently called up by pressing the Select-key.

SET Zero Pressing the enter-key sets the actual value to zero

(also see Ranges/Calibration on page 3).

resET Zero

Pressing the enter-key sets the zero back to the factory setting.

ON or OFF

The display shows ON, if the automatic turn-off function (15 min.)

is activated, OFF if the instrument is in the continuous mode.

Pressing the enter-key switches between ON and OFF.

(Units) An arrow points to the pressure unit bar. Pressing Select leads

to the next units (mbar, kPa, MPa or PSI). Pressing enter

activates the indicated unit. Now, the pressure is displayed in

this unit.

Operating Manual dV-2 - 3 -

NOTES

1) The functions and units can also be called up by keeping the Select-key de-

pressed. Releasing the key enables the displayed function or unit to be activated

with the enter-key.

2) If the selected function or unit is not activated within 5 seconds with the enter-

key, the dV-2 returns to the measuring mode without changing any settings.

3) Turning the dV-2 on and off (or a battery change) does not inﬂuence any of the

previous settings.

4) If a pressure can not be represented on the display, UFL (underﬂow) or OFL

(overﬂow) appears on the display.

5) If the actual pressure goes beyond the measuring range of the instrument, the

last valid pressure value starts ﬂashing on the display.

INSTALLATION

Screw the dV-2 into the pressure port and tighten using the hexagon of the transdu-

cer (pressure connection). If necessary, adjust the manometer housing.

The instrument may only be installed and operated by authorized qualiﬁed personnel.

BATTERY CHANGE

Carefully pull forward the frontsided cover by hand. Pull the battery out of the battery

holder and insert a new one (type CR 2032 Lithium 3,0 V). Snap the cover back into

its place.

RANGES / CALIBRATION

The factory setting of the zero for the ranges ≤31 bar absolute is at 0 bar absolute.

For sealed gauge pressure measurements, activate SET Zero at ambient pressure.

Instruments with ranges >31 bar are calibrated in a sealed gauge mode at 1 bar

absolute.

Declaration of Conformity

(will follow shortly)

KELLER AG für

Druckmesstechnik

St. Gallerstrasse 119 • CH-8404 Winterthur

www.keller-druck.com Tel. +41 (0)52 - 235 25 25 • Fax +41 (0)52 - 235 25 00

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