Keller HP Series Bedienungsanleitung
HigH-Pressure-Calibrator
standard- and Full-Version
KELLER
May 2006
Included In delIvery:
HIgH Pressure calIbrator
standard-versIon
– 1 Calibrator
– 1 Carrying Case
– 1 Test-Unit Adapter G 1/4” / G 1/2”
– 1 Test-Unit Adapter G 1/4” / G 1/8”
– 1 Spare Battery (3,6 V)
– 1 Allen Wrench
– 1 Manual
– 1TestCerticate
… in addition for version with
Logger-Option:
– K101-Cable (RS 232)
– 2 Program Discs:
• Logger Windows
• Logger MS-DOS
Included In delIvery:
HIgH Pressure calIbrator
Full-versIon
– 1 Calibrator
– 1 Carrying Case
– 1 Test-Unit Adapter G 1/4” / G 1/2”
– 1 Test-Unit Adapter G 1/4” / G 3/8”
– 1 Pressure Switch Adapter
– 1 Adapter (4…20 mA / 0…20 mA)
– 1 Adapter (0…10 V / 0…20 V)
– 1 Mains Adapter
– 1 Spare Battery (3,6 V)
– 1 Allen Wrench
– 1 Manual
– 1TestCerticate
… in addition for version with
Logger-Option:
– K101-Cable (RS 232)
– 2 Program Discs:
• Logger Windows
• Logger MS-DOS
lIst oF contents:
Outline Drawing 1
General Description 2
Operating the Calibrator 3
– Turn-On
– Connecting Test-Units
– Executing Functions and Commands
– Pressure Generation
– Turn-Off
Description of the Functions 4
Measuring Mode 5
– Mano-Mode
Temporarily Setting new Zero Reference 6
– tara-Mode
Selection of Pressure Unit 6
– unit-Mode
Preparing the Leak-Test 7
– leak-Mode
Executing the Leak-Test 8
– leak-Mode
Testing of Pressure Switches* 9*
– Pst-Mode*
Preparing Storage of Measured Values 11
– reC-Mode
Executing Storage of Measured Values 12
– reC-Mode
Measuring the Linearity* 13*
– lin-Mode*
Calculating the Linearity* 14*
– lin-Mode*
Adjusting the Display-Resolution 15
– reso-Mode
Permanently Setting new Zero Reference 15
– Zero-Mode
Data Transfer to PC 16
Maintenance 17
– Priming the Pressure System
– Testing of Battery Capacity
– Battery Change
– Restarting the Calibrator
– External Supply of Test-Units
– Overow/OverpressureLimit
– Service
Operating Guide/Functions 18
Technical Data 19
Declaration of Conformity 20
* Full-Version only
1
outlIne drawIng
max. Oil-Level
KELLER
KELLER
10 12 13 14
11a
9815
7
6
5
4
32
1b
1a
11b
1a) Connector for RS 232 Output
(Standard Version)
1b)* Connector for RS 232 Output
(Full-Version)
2) Instrument Base (with battery compartment*)
3)* LED-Diode
4) HOLD-Key (H-Key)
5) Shut-off Valve
6) Display
7) Function-Key (F-Key)
8) Oil Chamber
9) OilRellScrew
10) Oil Screw Compressor
11a) Outlet Pressure Port (G 1/4”, female)
with Hexagon Plug (200 bar and 350 bar
Calibrator with Overpressure Valve)
11b) Outlet Pressure Port (G 1/4”, female)
with Hexagon Plug (700 bar Calibrator
without Overpressure Valve)
12) Priming Pump
13)* Input Plug for external Power Supply to
Transmitter/Switch under Test
14)* Electrical Connection for Test-Unit Adap-
ters (Transmitters or Pressure Switches)
15) Return Pipe
High-Pressure-Calibrator Ranges: 200 bar, 350 bar, 700 bar (Sealed Gauge)
* Full-Version only
2
general descrIPtIon
The calibrator combines a number of functions
and performance features. Please take your
time reading this manual thoroughly prior to
setting the calibrator into operation. The safety
instructions on page 17 are meant to enhance
your safety and to maintain the functions as well
as the accuracy of the calibrator and its internal
sensor.
The instrument is battery powered, thus very
well suited for outdoor use.
The calibrator itself is powered by a 3,6 V
battery. Test-units (transmitters or electronic
switches) can either be powered by the internal
9 V batteries or external power supply.*
The high pressure calibrator generates pressure
with both the integrated priming pump and the
oilscrewcompressor.Thepressurecanbene
adjusted.
The high technology integrated in this instru-
ment allows it to measure precisely both the
pressure generated and the output signal of a
test-unit connected.
Thus, test-units can be measured and their
characteristics can exactly be documented.
The calibrator has an internal memory for recor-
dingdata.Itcaneitherbelledwiththelinea
rity measurements (function lin)*, the switching
points of a pressure switch (function Pst)* or
with continuously measured recordings. This
data can later be transferred to a PC for evalua-
tion via RS 232 serial interface.
The calibrator is operated with the function key
(F-key), marked by a pointed triangle.
An additional key, the Hold-key, will freeze the
display at any time during operation.
* Full-Version only
3
oPeratIng tHe calIbrator
turn-on
The calibrator is turned on by pressing the func-
tion key once.
connectIng test-unIts*
Adapter:
Included in the delivery of the calibrator are
different test-unit adapters, one for each of the
following transmitter types:
– 4…20 mA / 0…20 mA transmitter
– 0…10 V / 0…20 V transmitter
– Pressure switch
Plug the test-unit adapter into socket 14.
electrIcal connectIon oF test-unIt*
Select the correct adapter. Wire the transmitter/
switch under test to the adapter. Check that
polarity is observed and that good connections
are made.
Pressure connectIon For tHe test-unIt**
Your test-unit can be connected with the
calibrator via the pressure connection 11a resp.
11b.
Pressure generatIon
Attention: To avoid an overpressure within the
oilchamber,theoilrellscrew(9)mustbeopen
when operating the calibrator!
Generate pressure with the priming pump (12)
up to approx. 10 bar.
Increase or reduce pressure with screw com-
pressor (10).
decreasIng tHe Pressure
1) To return pressure to zero, completely
screw back compressor (10).
2) Open shut-off valve (5).
Do not open (5) when system is under high
pressure! (Especially when using an external
pres
sure source, damage/injury may result).
If you are not able to reach the desired pressure,
read the chapter “Maintenance” on page 17 on
how to completely prime the pressure system.
executIng FunctIons and commands
Read the following chapter to get acquainted
with the functions.
turn-oFF
Press the function key until the command oFF
appears on the display. Release the key imme-
diately and the instrument turns off.
** To avoid leakage and damage of the check valve, the test-unit has to be cleaned prior to connecting it to the
calibrator.
4
descrIPtIon oF tHe FunctIons
For a better understanding, the operating ele-
ments are described again:
FunctIon-Key (F-Key)
The function key on the front of the instrument,
marked by a pointed triangle, serves to operate
the instrument.
Hold-Key (H-Key)
The Hold-Key, integrated in the back of the
instrument housing, freezes the values during
the Mano-Mode. It has additional functions in
other modes (see following pages).
command structure
When keeping the F-Key pressed, the functions
exe, oFF, Mano, tara, unit, leak, Pst*, reC, lin*,
Zero, reso and ascending numbers appear suc-
cessively on the display. Releasing the F-Key at
a displayed function activates and leads into the
function. This cycle (constantly pressing the F-
Key and letting it go at a desired function) is cal-
led activation (e.g. to activate Mano --> Press
F-Key until display shows Mano --> Release the
F-Key).
Withinspecicfunctions,theFKeycanexecute
additional commands (exe, steP, reset).
Activating oFF turns off the instrument. When
starting the instrument again, the display will
automatically lead into the function from which
the instrument was previously turned off.
Activate Mano if normal operation is desired.
exe:In Mano-Mode: To reset peak- and
trough-pressure.
oFF:To turn off the instrument.
mano:To display the actual pressure
generated, the units, peak- and
trough pressure.
tara:To set a new, volatile reference for
the zero point (Tare).
unIt:To display the pressure in different
units (bar, Psi, kPa, MWC…).
leaK:To measure the pressure changes
over a programmable time.
Pst*: To test pressure switches.
rec:To record the measured values in
programmable intervals.
lIn*: To determine the linearity of a
test-unit.
reso:To reduce the resolution by
factor 10 or to return to the
original resolution.
Zero:To write a new zero point into the
non-volatile memory.
28, 29… Ascending numbers (have no
function).
* Full-Version only
5
mano-mode
The Mano-Mode is the standard mode of the ca-
librator. In this mode, the calibrator shows on
the upper display the actual pressure generated.
The smaller displays below indicate the peak-
and trough values. The measured values on the
smaller displays always appear with a reduced
resolution. Activating exe resets the peak- and
trough values, meaning that they are reset to the
actual pressure.
Full-Version only: If a transmitter is connected,
the display automatically indicates the value
of the transmitter in mA or V on the lower left
display. The lower right display shows the tem-
perature.
Pressing the Hold-Key (H-Key) freezes the
measured values. The actual pressure is now
shown on the lower right display. Pressing the
H-Key again leads back into the Mano-Mode
with the peak- and trough values reset to the
actual pressure (same as exe).
mano-mode
disPlay WitHout transMitter
= Is being read as a “1” between 100 bar and 200 bar when displaying with increased resolution --> 133.41 bar
Actual
Pressure
TroughPeak
Activate ExE
Actual
Pressure
TroughPeak
Press H-Key
Hold-mode
Frozen
Value
Actual PressurePeak
With H-Key back to
MAno-Mode
mano-mode
disPlay WitH transMitter (Full-Version only)
Actual
Pressure
Temperature of
the Reference-
Sensor
Signal of
Transmitter
Press H-Key
Hold-mode
Frozen
Value
Actual
Pressure
Frozen Value
of Transmitter
6
tara-mode / unIt-mode
The tara-Mode serves to set a temporary zero
reference. Unlike to the Zero-Mode, this new
zero reference will not remain after the instru-
ment has been turned off.
Activate tara:
Value to be
set to zero
Actual
Pressure
Activate ExE
mano-mode
With the command exe the new zero is being
determined and stays as a reference until a new
tara is being executed or until the instrument is
turned off.
The program returns to the Mano-Mode.
The unit-Mode allows the selection of one of
four pressure units.
Activate unIt:
Activate ExE
Activate ExE
Activate ExE
Activate Mano to return to the Mano-Mode with
the new selected unit.
Please note that, depending on pressure range,
the units can differ from the above.
7
leaK-mode
The leak-Mode serves to measure a pressure
change over a programmable time. The unit to
be tested has to be connected to the calibrator.
Setting the Test Time:
Activate leaK:
Test Time
Actual
Pressure
Activate SEl
Flashing. exe changes
to hr (hours),
exe again to day.
Activate StEp
Firstdigitisashing,exe
encreases digit.
With steP to next digit.
Activate StEp
Seconddigitisashing,
exe encreases digit…
With steP to next digit.
When the test time is set, activate PreP. The
display is now back in PreP-Mode.
The test time is now programmed (35:00). The
start of the leak-test is described on the next
page.
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