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Wohler DC 410FLOW, Руководство пользователя

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Wohler DC 410FLOW Скачать руководство пользователя страница 8

Specifications 

8 

Air speed 

Description 

Data 

Range 

0.3 m/s to 120 m/s 

Resolution 

0.01 m/s 

Continuous density 
correction 

automatic, with 
temperature signal 

Содержание DC 410FLOW

Страница 1: ...Technology Manual Pressure Differential and Flowmeter Art n 22627 2012 08 26 W hler DC 410FLOW 99 Washington Street Melrose MA 02176 Phone 781 665 1400 Toll Free 1 800 517 8431 Visit us at www TestEqu...

Страница 2: ...Data 10 3 Component Explanation 11 3 1 Basic Unit 11 3 2 Probes and Components 13 3 3 Function 15 3 4 Functions 16 3 5 Display and Key Setup 16 4 Getting Started 18 4 1 Check Battery Status 18 5 Opera...

Страница 3: ...Volume 46 6 9 Graph Record 48 6 10 Printing out Measurement Records 50 6 11 Option Save measurements 51 6 12 Option SETUP 51 7 Option Data management 53 7 1 1 Save Customer Records 54 7 1 2 Creating...

Страница 4: ...ATTENTION Not following this note can cause permanent damage to the device NOTE Useful information 1 3 Intended Use The meter can be used for the measurement of differential pressure airflow air spee...

Страница 5: ...he pressure connectors have to be protected by the protection cap The case is included in the sets and can also be bought separately 1 6 Information on disposal Electronic equipment does not belong in...

Страница 6: ...value is 10 Pa better than 0 3 Pa Resolution 0 1 Pa at 1 100 Pa to 1 100 Pa otherwise 1 Pa Measurement of very small pressures Description Data Range 100 Pa Accuracy 3 of the reading if the value is...

Страница 7: ...nternal sensor Description Data Range 0 to 100 rh rela tive humidity non condensing Accuracy 2 RH in range 0 to 90 RH otherwise 3 RH Resolution 0 1 RH Barometric Pressure integrated barometric pressur...

Страница 8: ...Specifications 8 Air speed Description Data Range 0 3 m s to 120 m s Resolution 0 01 m s Continuous density correction automatic with temperature signal...

Страница 9: ...sensors are connected can be stored in the internal memory The user can set the log rate from 1 second to 24 hours USB interface for data transfer to a PC Permanent online da ta already during the reg...

Страница 10: ...and processor Interfaces USB COM Port data transfer to the PC It is possible to trans fer the data directly from the meter to the W hler TD 600 ther mal fast printer Storage temperature 20 C to 60 C O...

Страница 11: ...Component Explanation 11 1 3 3 Component Explanation 3 1 Basic Unit Fig 1 Overview 2 4 5 6 7 8 9 10 11 12...

Страница 12: ...key for 3 seconds to turn off the unit 8 Infrared interface Thermal fast printer to print out the measurement report 9 Overpressure socket Main connection 10 Underpressure so cket Reference socket for...

Страница 13: ...3 Insert the plug of the S tube probe into jack 11 Fig 1 of the W hler DC 410 FLOW Connect the overpressure hose turned against the flow of the S tube probe to the overpres sure socket Fig 1 part 9 a...

Страница 14: ...splay as T1 and the one measured by the meter con nected to jack 12 will be shown as T2 NOTE Any thermocouple type K may be connected to the jacks 12 and 13 Fig 5 Connecting the Special Wall Temperatu...

Страница 15: ...Component Explanation 15 3 3 Function Pressure sensor Pressure socket Absolute pressure and humidity sen sor Fig 6 Interior structure of the meter Pressure socket...

Страница 16: ...efore it is ideal to determi nate the air speed gas pressure volume tension and also the flue gas temperature is registered A maximum measuring range up to 100 hPa and a burst pressure of 0 75 bar pro...

Страница 17: ...own in the left status segment Date and time customer if selected system diagnosis status and battery level are shown in the status segment on the right The readings segment displays the readings or t...

Страница 18: ...eries can cause injury Never expose the battery to fire or high tempera tures Danger of explosion Liquids can leak out of the batteries due to mis treatment Never touch the liquid If you got in contac...

Страница 19: ...ion of the DC 430 FLOW Fig 1 part 3 Fig 10 Open the battery compartment Standard AA rechargers can be used for external charging when the batteries are not located in the analyzer To remove the batter...

Страница 20: ...e the meter is per forming the self check and do not expose it to any differential pressure because the pressure sensor will automatically be zeroed during the self test 5 2 Measuring Fig 13 Measuring...

Страница 21: ...ig 15 Zoom feature In the measuring mode press the up or down key to enter the zoom mode When the read ings are zoomed in they can be read even from a distance In the zoom mode three val ues are indic...

Страница 22: ...n any magnetic material surface It is also possible to fix the W hler DC 410 FLOW with the supporting loop during the measurement ATTENTION Do NOT place the Pressure Computer unse cured it can fall do...

Страница 23: ...Main menu 6 2 Option Air Speed Fig 18 Connection of the S tube probe to the W hler DC 410FLOW In this mode the air speed v of the gas is meas ured in m s when the gas temperature is up to 800 C NOTE A...

Страница 24: ...If necessary adapt the S tube to the cross section of the gas line with the help of the two knurled screws NOTE The S tube must be adjusted before the meas urement procedure starts since it is require...

Страница 25: ...gh go to the Setup menu and select Attenuation fine see chapter 6 12 6 2 2 Theoretical Background The W hler DC 410 FLOW will calculate the air speed automatically according with the following formula...

Страница 26: ...e airflow is calculated from the surface area and the air speed Formula 3 The Airflow is indicated in the unit which has been selected in the setup menu Underneath the airflow is indicated in the othe...

Страница 27: ...measuring with the correct area value 6 3 2 Grid point Measurements The readings shown in the display are instantane ous values The W hler DC 410 Flow can do grid point meas urements This means that t...

Страница 28: ...value as the velocity 1 The airflow is indicated in the upper part of the display as the result of the measurement 1 Press Return to bring up the measurement menu Press Proceed to start a new measurem...

Страница 29: ...a report Fig 26 Finish the measurement In the Evaluation menu select Finish meas urement top of the display to finish the measurement Fig 27 Main menu when the readings have been accepted In the main...

Страница 30: ...re lated to l s The k value is entered into the meter related to l s The air flow will be indicated by the W hler DC 410 FLOW in l s and in m 3 h The DC 410 Flow will calculate the airflow according...

Страница 31: ...re and the underpressure socket to the aperture with the lower pressure NOTE If the hoses are wrongly connected the reading will be negative In this case inverse the hoses Fig 29 Example Fixing with a...

Страница 32: ...rature value measured by the sensor con nected left and T2 is the temperature sensor measured by the sensor connected right Differential pressure PD Air density k value Underneath the k value entered...

Страница 33: ...e has stabilized and then press Stop Press Accept to accept and save the value In the main menu a tick mark beside the menu airflow k value will indicate that the meas urement has already been done NO...

Страница 34: ...is installed and another room which is not connected e g outside air stairway etc Before starting the measurement two flexible capillary hoses must be connected see accessories The pressure sensor of...

Страница 35: ...re profile during the 4 Pa Test The second capillary hose will stay uncut in the fireplace room 7 Press PD 0 to zero the pressure sensor 8 Press Start measurement to start the 4 PA Test The DC 410 FLO...

Страница 36: ...Measurement Modes in the Main Menu 36 NOTE Press Stop to stop the 4 PA Test earlier...

Страница 37: ...ressure drop caused by opening and closing the window is less or equal to 4 Pa 8 Pa in the case of wood burning without surround ing air After the 4 Pa test is completed 4 Pa Test will be marked by a...

Страница 38: ...the up or down key Confirm with OK Potential improvement points Flue gas loss Fig 41 Standard characteristic curve Fig 42 Entering the Flue gas loss The Flue gas loss function will convert the most re...

Страница 39: ...e ventilation loss has to be measured 30 se conds after burn out It is based on the measure ment of the air speed and of the temperature of the residual core flow The test fulfills the require ments o...

Страница 40: ...quipped with an am bient pressure probe so that the meter will de termine the ambient pressure automatically Press Procced A message will appear Zeroing pressure sensor Remove hoses 16 Confirm with OK...

Страница 41: ...46 Measuring the ventilation loss The measurement will be done automatically 21 When the burner is turned off press Start to start the data recording After 30 seconds the data recording will start au...

Страница 42: ...m 2 v t Air speed in the flue gas pipe in m s air air density temperature compensated e g 20 C 1 2 kg m3 cpl specific heat capacity norm 0 279 Wh kg C L air temperature in the exhaust stack U air tem...

Страница 43: ...ded to measure the surface loss see accessories Before measuring the surface loss it is necessary to enter certain data For that purpose all partial areas of the burner must be considered that do not...

Страница 44: ...ce loss qr r radiation The surface loss will be referred to the heat emission and then converted into improve ment potential points according to the DIN EN 15378 national appendix The conversion into...

Страница 45: ...air temperature tao should be measured with the same sensor The temperature values measured by the W hler DC 410 FLOW and the Special Wall Temperature Probe are necessary for the determination of the...

Страница 46: ...he total volume Vtube can be calculated 1 p p V V act Sample Tube Temp const 3 The Volume Vtube is determined with the following equation in accordance with the principle of the Boyle Mariott s Law Vt...

Страница 47: ...equal 100 ml a sy ringe has to be used If the volume exceeds 100 ml a Soot Test Pump will be needed The vol ume of the Soot Test Pump is 163 ml per strike Close the gas line and seal it with a suitab...

Страница 48: ...st PT PressureTube Pamb Ambient Pressure 6 9 Graph Record Fig 56 Record screen The graph record mode is used to start a per manent data recording A graph of the records will appear on screen The user...

Страница 49: ...to return to the main menu without saving the measured values In this case there will be no tick mark beside the menu Graph logging Press Yes to return to the main menu after saving the measured value...

Страница 50: ...D 600 or another printer The menu options in the preview screen are Option ESC left key Click the left key to exit and return to the main menu screen Option center keys click either up or down key to...

Страница 51: ...ressure The ambient pressure value of the DC 410 FLOW cannot be changed because the meter is provid ed with an ambient pressure probe Pressure unit Select the pressure unit hPa Pa mmH2O PSI inwc bar o...

Страница 52: ...thermal fast printer TD 600 or another printer Print graph Option Yes A graph will be printed with the dia gram Option No No graph will be printed The preselected option is Yes Search by Select betwe...

Страница 53: ...defaults Reset the DC 430 FLOW to its factory default setting except the calibration 7 Option Data management When working with the W hler DC 410 FLOW it is possible to save and manage custom ized dat...

Страница 54: ...will appear Select New riser to assign a new riser to this client Confirm with OK NOTE The records marked with a tick mark in the main menu are saved now After the records have been successfully saved...

Страница 55: ...create new customer folders or new risers in the customer menu see Fig 12 or when saving the data Enter the name a customer num ber and the name of the riser NOTE The user can save all together 128 r...

Страница 56: ...all risers Select Delete all customers to delete all customer folders Select USB data exchange to communicate with the PC see chapter 7 3 7 3 Data Transfer with the PC or Notebook The user can easily...

Страница 57: ...eries ATTENTION Overpressure high pressure Deflate pressure 9 Maintenance Proper operation of the W hler DC 410 FLOW re quires regular maintenance 9 1 Maintenance work Interval Maintenance work If req...

Страница 58: ...d by the warranty are batteries and defects of the pressure sensor caused by overpressure This warranty does not cover the freight and pack ing costs when the device is sent to the factory for repair...

Страница 59: ...rement Leakage Test Set Order no 21580 High pressure cone G 1 2 with sealing rings Order no 7213 High pressure cone G 3 8 with sealing rings Order no 7214 Extras Supporting loop with snap hook Order n...

Страница 60: ...Pressure Meter model number W hler DC 410 FLOW complies with the following requirements for conformity and electromagnetic compati bility EN 61326 1 1997 A1 1998 A2 2001 DIN EN 61010 1 2002 EN 60529 1...

Страница 61: ...61 Test Equipment Depot 800 517 8431 99 Washington Street Melrose MA 02176 TestEquipmentDepot com...

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