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Manual

Version

Page

DB04A

EN A1-9

PKP Prozessmesstechnik

11

1.17. Block diagram

The following GCM block diagram shows the structure of the device. The block diagram does not
show the optional manual control/needle valve (Model GCR) that would normally be placed on the
outlet of the unit.

Figure 4: Block diagram

Содержание DB04A

Страница 1: ...ion Manual DB04A Thermal Mass Flowmeter for Gases without auxiliary Power PKP Prozessmesstechnik GmbH Borsigstra e 24 D 65205 Wiesbaden Nordenstadt Tel 49 0 6122 7055 0 Fax 49 0 6122 7055 50 Email inf...

Страница 2: ...A1 9 PKP Prozessmesstechnik 02 Version DB04A EN A1 9 For the latest information on our products see our website at www pkp de PKP Prozessmesstechnik GmbH Borsigstra e 24 D 65205 Wiesbaden Nordenstadt...

Страница 3: ...ty There are no serviceable parts inside the unit Repairs must only be performed by qualified personnel Attention This unit has several power supply possibilities If you use the external 24 Vdc power...

Страница 4: ...ordered Make sure any spare parts or accessories are not discarded with the packing material Do not return any equipment to the factory without first contacting PKP E mail Customer Service info pkp d...

Страница 5: ...12 Measurement ranges air 13 2 13 USB interface 14 2 14 Battery 14 2 15 Optional Modules 14 2 16 Calibration 15 2 17 Operation with other gases 16 2 18 Pressure loss 16 2 19 Temperature compensation...

Страница 6: ...1 Returns 36 6 Appendix 37 6 10 Troubleshooting 37 6 11 Pressure loss 39 6 12 Dimensional drawings in mm 41 6 13 Dimensional drawings in inches 42 6 14 Dimensional drawings in mm 43 6 15 Dimensional d...

Страница 7: ...ble Dot matrix LCD touch screen Multiple gases possible 3 gases Flexible due to the many different settings accessible through the touch screen Back light screen in USB and 12 30 Vdc power mode Power...

Страница 8: ...s largely independent of temperature and pressure Stated simply the thermal measurement principle measures the heat transport by gas flowing past In the case of DB04A mass flow measuring instruments a...

Страница 9: ...lows 1 For all units that are used in normal like ln min the reference conditions are always 0 C and 1013 25 mbara This cannot be adapted 2 For all the other units that are standard like ls min and sc...

Страница 10: ...68 F and 1013 25 mbar 760 mmHg absolute You can select these type of units from the menu of the DB04A These units are mostly used in the USA Standardized can also refer to other reference conditions...

Страница 11: ...nik 11 1 17 Block diagram The following GCM block diagram shows the structure of the device The block diagram does not show the optional manual control needle valve Model GCR that would normally be pl...

Страница 12: ...icient 0 2 bar of reading typical N2 0 014 psi of reading typical N2 Working pressure range 0 2 11 bara 3 160 psia Test pressure 16 bara 232 psia Storage conditions 20 to 80 C 4 to 176 F 0 95 RH non c...

Страница 13: ...A Power supply hereafter refered to as the 24 Vdc power supply 2 12 Measurement ranges air The DB04A has 4 different flow elements Each element has a defined maximum operating flow range that will be...

Страница 14: ...6 months under non continuous use We recommend to use external power USB micro B or 24 Vdc if you application needs continuous measurement like measuring totalized flow To extend the lifetime of the b...

Страница 15: ...the battery They replace the battery module so you cannot use these modules in combination with battery power Generic specifications optional alarm module Power input Voltage supply range 12 30 VDC Po...

Страница 16: ...t on the pressure loss For example from around 60 ln min we recommend a pipe inside diameter of at least 10 mm Please also note that some fittings have a reduced diameter and can cause considerable pr...

Страница 17: ...ssive environments reduce the service life Liquid running backwards can penetrate into the measuring instrument An elevated mounting location generally helps or using check valves If your ambient air...

Страница 18: ...compression fittings are available with an internal 50 filter Please also consider that fittings and filters can create additional pressure drops over the flow meter Please note that the length of th...

Страница 19: ...eable batteries but the unit will however not charge the battery if powered by the USB micro B We strongly recommend to remove the battery from the case if you do not use the meter for longer periods...

Страница 20: ...hand grab the side where the plastic notches are located Pull the battery compartment from the main housing Replace the battery and push the battery compartment back on the main housing By pushing the...

Страница 21: ...will be turned on automatically Once you switch the unit on you are able to access a menu structure with which you can adjust the meter for your specific applications and preferences Before you put th...

Страница 22: ...area where the flow is normally displayed will show Out of range Select a different flow unit in section 4 12 2 Units Totalizer If the totalized value exceeds the 8 available digits or you selected a...

Страница 23: ...installed If you touch any of the home screens longer than one second you will access the Main Menu You will see the screen shown on the right From this menu you can modify your preferences and access...

Страница 24: ...to the Alarms totalizer settings gas selection settings information about the status and settings of your unit If your unit is battery powered it will give the option Power off on the bottom line If t...

Страница 25: ...i A1 flow high 4 11 2 1 Select Alarm Menu Once you selected A1 A2 or A3 you go into the specific alarm menu You have the following options Enable If you active this the alarm becomes operational You c...

Страница 26: ...unction the alarm gets activated if the flow is outside a Window that is predefined by the customer For example if upper threshold is set to 5 and lower threshold to 4 the alarm will get active if flo...

Страница 27: ...the value where the alarm turns ON from turning OFF and the value where it turns OFF from turning ON This difference is defined in of full scale In figure 9 an example of a 50 threshold value high ala...

Страница 28: ...oment that you push the button and the falling edge the moment when you let go of the push button Please note that the reset overrides the alarm Even if the alarm is still valid if you set this reset...

Страница 29: ...totalizer value exceeds the possible 8 digit display you can set the totalizer engineering units to a suitable unit that can display the value within the 8 digits for instance m3 n or kg See section 4...

Страница 30: ...uration of the unit When you select Software under the Info menu you can see the current firmware version and the date that this version was released Under Configuration you see the active settings fo...

Страница 31: ...e up to 5 of the home screens Deactivated screens do not show up as a home screen 4 12 1 2 Backlight In this menu you can select the brightness of the backlight The backlight is only available if you...

Страница 32: ...ore the backlight automatically switches off after the last touch event The backlight goes on again when you touch the display When the setting is Disabled the light is continuously on When the backli...

Страница 33: ...ease the number of readings that are averaged when the flow is less dynamic and decrease the number of readings that are averaged when the flow shows quick changes So when the flow is quickly rising o...

Страница 34: ...2 0 2 01 and 2 1 on the display 2 If the maximum number of digits is exceeded you see out of range on the display In that case select another unit see chapter 4 12 2 Units 3 The step size in auto mod...

Страница 35: ...he unit is switched off it no longer totalizes the flow Note When we supply the unit the auto power off will be set to 15 minutes 4 12 7 Factory reset If you activate the factory reset all variables w...

Страница 36: ...necessary recalibrated by PKP at the next opportunity 5 11 Returns When returning a DB04A please insure suitable packaging Please contact us before you return the unit to us To repair the unit we req...

Страница 37: ...operated with a different gas from its calibration For multi gas instruments you can set the appropriate gas type Offset due to mounting position Particularly with small measurement ranges heavy gase...

Страница 38: ...n switched on Firmware damaged Perform a firmware upgrade as described in this manual If the problem remains please consult PKP Out of Range Wrong unit selection Select a unit that fits better to the...

Страница 39: ...a DB04A measuring instrument only not the valve Please note that the curves below are as an indicator only and based on atmopheric outlet pressure Especially when the outlet is under vacuum the press...

Страница 40: ...Manual Version Page DB04A EN A1 9 PKP Prozessmesstechnik 40...

Страница 41: ...technik 41 6 12 Dimensional drawings in mm Units with BSP process connections P referes to the optional fittings length Fittings are options only Standard process connection is female BSPP tread If ad...

Страница 42: ...chnik 42 6 13 Dimensional drawings in inches Units with BSP process connections P referes to the optional fittings length Fittings are options only Standard process connection is female BSPP tread If...

Страница 43: ...9 PKP Prozessmesstechnik 43 6 14 Dimensional drawings in mm P referes to the optional fittings length Fittings are options only Standard process connection is female BSPP tread If additional informati...

Страница 44: ...chnik 44 6 15 Dimensional drawings in inches Units with BSP process connections P referes to the optional fittings length Fittings are options only Standard process connection is female BSPP tread If...

Страница 45: ...iliziumoxid Siliziumnitrit Epoxy Sensor packaging 1 4305 Abbreviation Abbreviation Abbreviation Abbreviation Kurzbezeichnung Kurzbezeichnung Kurzbezeichnung Kurzbezeichnung Designation Designation Des...

Страница 46: ...Reason for return Type of contamination Device was in contact with It was cleaned by us with To protect our employees and for general safety during transport it is vital to clean devices properly and...

Страница 47: ...0 Off 20 40 60 80 100 Max 5 Settings Display Orientation Auto 0 degree 180 degree 6 Settings Display Display auto off Disabled 1 minute 3 minutes 5 minutes 15 minutes 30 minutes 7 Settings Display Li...

Страница 48: ...d dynamics all these 3 gasses will be programmed The gas is set default on the customer ordered gas 2 The reference condition of all units under Real and Norm are always 0 C and 1013 25 mbara Both for...

Страница 49: ...of versions as a flowmeter with an integrated regulating valve a totaliser or with an adjustable limit switch Depending on the medium the device can be made of either stainless steel or aluminium The...

Страница 50: ...ree selectable Password protection for menu available Installation position up to 5 bar any from 5 bar horizontal Limit output potential free changer 24 V 1 A Function MIN or MAX alarm switching point...

Страница 51: ...0 01 0 5 Nl min G IG 03 0 04 2 Nl min G IG 04 0 1 5 Nl min G IG 05 0 4 20 Nl min G IG 5A 0 8 40 Nl min G IG 06 1 60 Nl min G IG 07 2 100 Nl min G IG 08 4 200 Nl min G IG 09 6 300 Nl min G IG 10 9 450...

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