Kobold HND-P105 Manual de usuario

Operating Instructions

for

Handheld Pressure Measuring Devices

with External Pressure Sensors

Model: HND-P105

HND-P105

page 2 HND-P105 K05/0117

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Safety Requirements ...........................................................................5

7.2Connections.........................................................................................6

7.3Display.................................................................................................6

7.4Basic Operation...................................................................................6

7.5Configuration .......................................................................................7

7.6Measuring Of Water Level – Display Unit [m]......................................8

7.7Calibration Services.............................................................................9

7.8Pressure Connection To The Sensors.................................................9

7.9Error And System Messages.............................................................10

7.10The Serial Interface ...........................................................................11

8.Maintenance ...............................................................................................11

8.1Battery Operation...............................................................................11

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

10.Order Codes ...............................................................................................13

10.1Pressure sensors for HND-P105 .......................................................13

10.2Accessories .......................................................................................14

11.EU Declaration of Conformance..................................................................15

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-P105

HND-P105 K05/0117 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 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:

Handheld Pressure Measuring Devices with External Pressure Sensors

model: HND-P105

Operating Instructions

4. Regulation Use

Any use of the Manual Pressure Measuring Devices with External and Integrated

Pressure Sensors, model: HND-P105, 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-P105

page 4 HND-P105 K05/0117

5. Operating Principle

The KOBOLD manual pressure measuring devices HND-P105 are highly precise,

compact pressure measuring devices that can be used universally. In conjunction

with the appropriate external pressure sensors, precise measurement results

over the entire measuring range can be achieved.

Various pressure sensors are available for a multitude of measuring tasks and

special applications. The respective measurement task determines which

combination is selected. Naturally, these first-rate KOBOLD-measuring units can

display more than just pressure. All devices in this series allow for

minimum/maximum value memory, hold function, automatic self-shut-off, or zero

point offset entry for all connected pressure sensors.

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 make sure that

the operating voltage stated at the power supply is identical to the

mains voltage.

6.1.1 Connecting/Changing Sensors

Do not use unsuitable sensors. Connecting other devices/sensors as specificated

may cause a damage to the instrument and device/sensor! Switch off device

before changing the sensor.

Connect sensor before switching on the device, otherwise the sensor may not be

detected correctly. When connecting the sensor the connector may not lock

correctly. In such case take the plug not at the casing but at the buckling

protection at the end of the plug. If plug is entered correctly, it will slide in

smoothly. To disconnect sensor do not pull at the cable but at the plug (to open

locking mechanism).

HND-P105

HND-P105 K05/0117 page 5

7. Operation / Configuration / Adjustments

7.1 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-P105

page 6 HND-P105 K05/0117

7.2 Connections

1. Interface: Connect to optically isolated

interface adapter (accessory: GRS 3100,

GRS 3105, USB 3100 or USB 3100N)

2. Connections for pressure sensors of the

HND-PS-family

3. The mains socket is located at the left side

of the instrument

7.3 Display

7.4 Basic Operation

When switching on the device displayed “Corr”, if a sensor with activated offset or

scale correction is connected.

Tare Function: By pressing `Tara`(key 3) the displays will be set to 0. All

measuring from then on will be displayed relatively to the set tare

values. When the tare function is activated, the arrow “Tara”

appears in the display. To deactivate tare function press `Tara`for

>2 seconds. Please note: Activating/deactivating tara clears

the max-&min-memories.

Max Memory: Pressing ´max´ (key 2) shows the maximum of the measured

values. Pressing it again hides it. To clear the max memory press

key ´max´ for >2 seconds.

Min Memory: Pressing ´min´ (key 5) shows the minimum of the measured

values. Pressing it again hides it. To clear the min memory press

key ´min´ for >2 seconds.

Hold Function:By pressing ´Store/Quit´ (key 6) the last measuring value will be

held in the secondary display. Pressing it again hides it.

HND-P105

HND-P105 K05/0117 page 7

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 key 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). Please note: A zero-point adjustment can only be carried

out if the difference between the value on display is less than 500

digits!

To recall the manufacturer`s calibration press button 3 for approx.

15 seconds.

Note: If a zero-point adjustment was carried out, this will be

signalled by the short displaying of “Corr” when switching on the

device.

7.5 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.

7.5.1 Unit: Choice Of The Display Unit

Choose the desired display unit, the referring unit is displayed by means of

a functional arrow in the display. The selection is permanently stored in the

sensor, therefore after reconnecting the sensor the unit will instantly

reappear. The choice depends on the used sensor.

7.5.2 Sea Level Correction For Absolute Pressure Sensors

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 activate the „Sea-Level-Function“:

Select „on“ in the menu „SL“ with (key 2) or (key 5).

Jump to the next parameter „Alti“ by pressing Menu (key 4).

Then enter the altitude above sea level of the sensor‘s location in meters

and leave the configuration by pressing Quit (key 6)

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).

MPaPabarmbar kPa

Tara AL LoggSLPSI

mbar

MPaPabarmba r kPa

Tara AL LoggSLPSI

MPaPabarmbar kPa

Tara AL LoggSLPSI

HND-P105

page 8 HND-P105 K05/0117

7.5.3 P.oFF: Auto 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.

The power off time can be set to values between 1 and 120 min. It can be

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

7.5.4 Adr: Base Address of Interface

Up to 10 devices of the HND- handheld-family can be connected to a

serial interface at once (depending on interface converter, e.g. HND-P...: 5

devices). To get access to each device the base addresses of the devices

have to be different. For example choose 01 for the first, 11 for the second

device and so on.

7.5.5 OFFS: Adjusting Sensor Zero Displacement

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.

7.5.6 SCAL: Adjusting Sensor Scale

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.

7.6 Measuring Of Water Level – Display Unit [m]

(only for devices with ‚m‘ printed below the display)

When using a suitable waterproof pressure sensor the unit [m] for meters of

water can be set in the menu “Unit“. 10 m of water are roughly 1 bar over

pressure. Measurings can be made e.g. like described below :

With abs. pressure sensor (SL oFF!): Press ‚Tara‘ when sensor is at ambient

air and then bring sensor to the depth to be measured. The display shows now

the depth in [m].

With rel pressure sensor: bring tube connection for lower press. in contact to

ambient air by means of a tube (no water contact!) and bring the sensor with

its open press. connection for higher pressure to water depth to be measured

(display and is compensated for pressure changes in ambient air).

MPaPabarmbar kPa

Tara AL LoggSLPSI

MPaPabarmbar kPa

Tara AL LoggSLPSI

mbar

HND-P105

HND-P105 K05/0117 page 9

7.7 Calibration Services

Calibration certificates – DKD-certificates – other certificates:

If device should be certificied 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!

7.8 Pressure Connection To The Sensors

The device is designed to be connected to the sensors of the HND-PS...-series

without a new calibration being necessary. Therefore a great variety of

replaceable sensors of e.g. –1.999...2.500 mbar relative up to 0...400.0 bar

absolute pressure can be connected to the device (p.r.t. chapter 10.1 Pressure

sensors)

7.8.1 Relative Pressure Sensors

For measurements of over- or under pressure:

Connect plastic tube with internal dia of 4 mm to pressure port "B". Port "A" will

not be used!

Pressure sensors HND-PS01, -PS02 and –P03 allow for measurements of

under pressure up to the entire over pressure measuring range by re-plugging

the tube to pressure port "A". Please note that all values are displayed as

positive values. No minus sign will be shown. (Example for HND-PS02: For

tube connection "B" the measuring range covers -19.99 to 25.00 mbar. If you

replug to port "A" under pressure measurements down to -25.00 mbar could be

carried out with the display showing the value 25.00 (no minus sign).

For measurements of pressure differences:

Connect both plastic tubes with an internal dia of 4 mm to pressure port "B"

and "A"; make sure to apply higher pressure to port "B".

7.8.2 Absolute pressure sensors:

Connect plastic tube with an internal dia of 4 mm to pressure port "A". (Port "B" is

not used.)

7.8.3 Stainless steel pressure sensors:

For measurements of over-, under- or absolute pressure screw sensor to G1/4"

pressure terminal or plug plastic tube to a suitable adapter.

HND-P105

page 10 HND-P105 K05/0117

7.9 Error And System Messages

Display Meaning What to do?

Low battery power, device will only continue

operation for a short period of time Replace battery

Battery empty Replace battery

Mains operation without battery: wrong voltage Check power supply, replace it when

necessary

or Err.9

No sensor connected Switch off device and connect sensor

Connected sensor or device defective If second sensor available, check if device

is ok. Return defective device/sensor to

manufacturer for repair

Measured value far out of allowable range Check: pressure not within sensor range?

No display or

confused

characters,

device does

not react on

keypress

Battery empty Replace battery

Mains operation without battery: wrong voltage

or polarity Check power supply, replace it when

necessary

System error Disconnect battery and power supplies,

wait shortly, then reconnect

Device defective Return to manufacturer for repair

Err.1 Measured value above allowable range Check: pressure not within sensor range?

-> measuring value to high!

Sensor defective Return to manufacturer for repair

Err.2 Measured value below allowable range Check: pressure not within sensor range?

-> measuring value to low!

Sensor defective Return to manufacturer for repair

Err.3 Display range overflow Check: value above 19999->to high to be

displayed

Err.4 Display range underflow Check: display below -19999 (Tara?)-> to

low!

Err.11 Value could not be calculated Choose different unit

Calculation overflow happened Choose different unit

Err.7 System error Return to manufacturer for repair

---- Sensor not present/recognised Connect suitable sensor

Could not calculate value

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