Kobold HND-P Series Manual de usuario

Operating Instructions

for

Hand held Pressure Measuring Devices

with Integrated Pressure Sensors

Model:

HND-P121 HND-P123

HND-P126 HND-P127

HND-P129

HND-P121/-123/-126/-127/-129

page 2 HND-P121-129 K04/1121

1. Contents

1.Contents ........................................................................................................ 2

2.Note .............................................................................................................. 3

3.Instrument Inspection .................................................................................... 3

4.Regulation Use ............................................................................................. 3

5.Operating Principle ........................................................................................ 4

6.Electrical Connection .................................................................................... 4

6.1Mains Operation with Power Supply .................................................... 4

7.Operation / Configuration / Adjustments ....................................................... 5

7.1General ................................................................................................ 5

7.2Pop-up clip ........................................................................................... 7

7.3Calibration Services ............................................................................. 8

7.4Configuration ....................................................................................... 8

7.5The Serial Interface ............................................................................. 9

7.6Zero Displacement Sensor ('OFFS') .................................................. 10

7.7Scale Correction Sensor ('SCAL') ...................................................... 10

7.8Pressure Connection ......................................................................... 10

7.9Error and System Messages .............................................................. 11

8.Maintenance ............................................................................................... 12

8.1Battery Operation ............................................................................... 12

9.Technical Information .................................................................................. 12

10.Order Codes ............................................................................................... 14

10.1Accessories ....................................................................................... 15

11.EU Declaration of Conformance ................................................................. 16

Manufactured and sold by:

Kobold Messring GmbH

Nordring 22-24

D-65719 Hofheim

Tel.: +49(0)6192-2990

Fax: +49(0)6192-23398

E-Mail: [email protected]

Internet: www.kobold.com

HND-P121/-123/-126/-127/-129

HND-P121-129 K04/1121 page 3

2. Note

Please read these operating instructions before unpacking and putting the unit

into operation. Follow the instructions precisely as described herein.

The instruction manuals on our website www.kobold.com are always for currently

manufactured version of our products. Due to technical changes, the instruction

manuals available online may not always correspond to the product version you

have purchased. If you need an instruction manual that corresponds to the

purchased product version, you can request it from us free of charge by email

([email protected]) in PDF format, specifying the relevant invoice number and

serial number. If you wish, the operating instructions can also be sent to you by

post in paper form against an applicable postage fee.

The devices are only to be used, maintained and serviced by persons familiar

with these operating instructions and in accordance with local regulations

applying to Health & Safety and prevention of accidents.

When used in machines, the measuring unit should be used only when the

machines fulfil the EC-machine guidelines.

3. Instrument Inspection

Instruments are inspected before shipping and sent out in perfect condition.

Should damage to a device be visible, we recommend a thorough inspection of

the delivery packaging. In case of damage, please inform your parcel service /

forwarding agent immediately, since they are responsible for damages during

transit.

Scope of delivery:

The standard delivery includes:

 Hand held Pressure Measuring Devices with Integrated Pressure Sensors

Model: HND-P121/-P123/-P126/-P127/-P129

4. Regulation Use

Any use of the device which exceeds the manufacturer’s specification may

invalidate its warranty. Therefore, any resulting damage is not the responsibility of

the manufacturer. The user assumes all risk for such usage.

HND-P121/-123/-126/-127/-129

page 4 HND-P121-129 K04/1121

5. Operating Principle

Nearly all measuring tasks for the determination of pressure can be performed

with the HND-P series KOBOLD hand-held pressure measuring devices. Various

housing designs make it possible to find the right housing with the appropriate

characteristic for every application. In addition to the large selection of external

pressure sensors up to max. 400 bar absolute, measuring devices with integrated

sensors in the millibar range are also available.

6. Electrical Connection

6.1 Mains Operation with Power Supply

Warning: When using a power supply please note that operating

voltage has to be 10.5 to 12 VDC. Do not apply overvoltage!! Cheap

12 V-power supplies often have excessive no-load voltage. We,

therefore, recommend using regulated voltage power supplies.

Trouble-free operation is guaranteed by our power supply HND-

Z002.

Prior to connecting the power supply to the mains makes sure

that the operating voltage stated at the power supply is identical

to the mains voltage.

HND-P121/-123/-126/-127/-129

HND-P121-129 K04/1121 page 5

7. Operation / Configuration / Adjustments

7.1 General

7.1.1 Safety Requirements

This device has been designed and tested in accordance with the safety

regulations for electronic devices.

However, its trouble-free operation and reliability cannot be guaranteed unless

the standard safety measures and special safety advises given in this manual will

be adhered to when using the device.

1. Trouble-free operation and reliability of the device can only be guaranteed if

the device is not subjected to any other climatic conditions than those stated

under 9 Technical Information.

2. Device and sensors have to be handled with care (don’t throw, hit, etc.).

Protect plugs and sockets from soiling.

3. If the device is transported from a cold to a warm environment condensation

may cause in a failure of the function. In such a case make sure the device

temperature has adjusted to the ambient temperature before trying a new

start-up.

4. If device is to be connected to other devices (e.g. via serial interface) the

circuitry has to be designed most carefully. Internal connection in third party

devices (e.g. connection GND and earth) may result in not-permissible

voltages impairing or destroying the device or another device connected.

Warning: If device is operated with a defective mains power

supply (e.g. short circuit from mains voltage to output voltage)

this may result in hazardous voltages at the device (e.g. at sensor

socket or interface).

5. If there is a risk whatsoever involved in running it, the device has to be

switched off immediately and to be marked accordingly to avoid re-starting.

Operator safety may be a risk if:

 there is visible damage to the device

 the device is not working as specified

 the device has been stored under unsuitable conditions for a

longer period of time.

In case of doubt, please return device to manufacturer for repair or maintenance.

HND-P121/-123/-126/-127/-129

page 6 HND-P121-129 K04/1121

7.1.2 Display

7.1.3 Basic Operation

Please Note: Activating/deactivating tara clears the max- & min-

memories.

1) Zero-Point Adjustment: If there is no pressure or zero-pressure (absolute)

applied to the pressure ports the device will display 0. If there is a permanent

deviation (and device is operated under steady conditions), a permanent zero

point adjustment can be carried out. To carry out the adjustment press button 3

for approx. 5 seconds (Auto Null will be displayed shortly). The adjustment is

done via the OFFSET-value of the sensor (referring configuration menu).

To recall the manufacturer’s calibration press button 3 for approx. 15 seconds.

HND-P121/-123/-126/-127/-129

HND-P121-129 K04/1121 page 7

7.1.4 Connections

Connection for pressure tube

Interface: Connection for el. isolated interface adapter (p.r.t.

chapter 7.5 The Serial Interface)

The mains adapter socket is located at the left side of the device.

7.2 Pop-up clip

Handling:

 Pull at label “open” in order to swing open the pop-up clip.

 Pull at label “open” again to swing open the pop-up clip further.

Function:

 The device with a closed pop-up clip can be plainly laid onto a table or

attached to a belt, etc.

 The device with pop-up clip at position 90° can be set up on a table, etc.

 The device with pop-up clip at position 180° can be suspended from a

screw or the magnetic holder.

HND-P121/-123/-126/-127/-129

page 8 HND-P121-129 K04/1121

7.3 Calibration Services

Calibration certificates – DKD-certificates – other certificates:

If device should be certificated for its accuracy, it is the best solution to return it

with the referring sensors to the manufacturer.

Only the manufacturer is capable to do efficient recalibration if necessary to get

results of highest accuracy!

7.4 Configuration

To change device settings, press Menu (key 4) for 2 seconds. This will call the

configuration menu.

Pressing key Menu jumps between the parameters.

The parameters can be changed with  (key 2) or  (key 5).

Quit (key 6) finishes the configuration and returns to standard measuring

operation.

Parameter

alue Description

‚Menu‘ ▲ o

▼

mbar, bar, … Unit: Unit of display

oFF/on Sea-Level: Sea level correction: on or off

(only available at HND-P129)

-2000 … 9999 Altitude: Input of altitude above sea level [m],

only if SL=on

(only available at HND-P129)

1…120

uto Power-Of

time in minutes

oFF Auto Power-Off deactivated

0,1, 11…91 Base adress of interface

OFFS refer to list

below The offset of sensor will be displaced by this

value to compensate for deviations in the

probe or in the measurin

device.

oFF Zero displacement inactive

(

=0.00

)

SCAL -2.000 …

2.000

The measuring scale of sensor will be

changed by this factor [%] to compensate

deviations of temperature probe or measuring

device.

oFF Scale correction factor inactive

(

=0.000

)

HND-P121/-123/-126/-127/-129

HND-P121-129 K04/1121 page 9

Device t

pe ad

ustable offset

HND-P121 -5.00…5.00 mba

HND-P123 -50.0…50.0 mba

HND-P127 -50.0…50.0 mba

HND-P126 -500…500 mba

HND-P129 -500…500 mba

7.4.1 Sea Level Correction for Absolute Pressure Sensors (HND-P129)

The device displays the absolute pressure measured at the sensor. This is not

necessarily the same like the values given by weather stations! The weather

stations‘ values are pressure at sea level. Usually, the sensor is placed above

sea level and therefore, if the value at sea level (zero) is to be measured, the

pressure loss resulting from the actual level above zero has to be considered! To

correct the measuring display, activate the “Sea-Level-Function” (SL, p.r.t.

chapter 7.4).

If the sea level correction is active this will be shown by the functional arrow „SL“

in the display, the device now displays the absolute pressure at sea level (zero).

7.4.2 Power off Time

The device will be automatically switched off if no key is pressed/no interface

communication takes place for the time of the power off time.

It can be completely deactivated by setting the parameter to ‚P.oFF = oFF“.

7.5 The Serial Interface

By means of the serial interface and a suitable electrically isolated interface

adapter HND-Z031, HND-Z032 (accessories) the device can be connected to a

computer for data transfer.

To avoid transmission errors, there are several security checks implemented e.g.

CRC.

The following standard software packages are available:

BUS-S20M: 20-channel software to display the measuring values

Note: The measuring and display range values read back from the

interface are always in the selected measurement unit (mbar,

bar...)!

HND-P121/-123/-126/-127/-129

page 10 HND-P121-129 K04/1121

Supported functions:

7.6 Zero Displacement Sensor ('OFFS')

A zero displacement can be carried out for the measured value:

value displayed = value measured - offset

Standard setting: 'off' = 0.0°, i.e. no zero displacement will be carried out.

Together with the scale correction (see below) this factor is mainly used to

compensate for sensor deviations. Input is in the display unit.

7.7 Scale Correction Sensor ('SCAL')

The scale of the measuring can be influenced by this setting (factor is in %):

displayed value = measured value * (1+Scal/100)

Standard setting: 'off' =0.000, i.e. value is not corrected. Together with the zero

displacement (see above) this factor is mainly used to compensate for sensor

deviations.

7.8 Pressure Connection

2 (or 1) universal pressure connector for 6 x 1 mm (4 mm tube inner diameter) or

8 x 1 mm (6 mm tube inner diameter) plastic tubes.

7.8.1 Device type with absolute pressure (HND-P129)

Connect plastic tube to pressure port.

Code Name/Function Code Name/Function

0 Read measurement value 200 Read min display range

3 Read system state 201 Read max display range

6 Read min memory 202 Read display range - unit

7 Read max memory 204 Read display range – decimal point

12 Read ID number 208 Read # of channels

32 Read configuration flag

BitCorrectToSealevel:32

214 Read scale adjustment [%]

216 Read offset adjustment

160 Set configuration flag (see above) 220 Read altitude (only abs. press sensors)

174 Clear min memory 221 Set altitude (only abs. press sensors)

175 Clear max memory 222 Read power off time (Conf-P.oFF)

176 Read min measuring range 223 Set power off time (Conf-P.oFF)

177 Read max measuring range 240 Reset

178 Read measuring range – measuring unit 254 Program version

179 Read measuring range – decimal point

180 Read kind of measuring of sensor

199 Read kind of measuring of display

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