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Wohler HF 550 Manual

Wood moisture meter
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Manual
Wood Moisture Meter
Wöhler HF 550
The Measure of Technology

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Summary of Contents for Wohler HF 550

  • Page 1 Manual Wood Moisture Meter Wöhler HF 550 The Measure of Technology...

  • Page 2: Table Of Contents

    Transport ............5 Information on disposal ......... 5 Manufacturer ..........5 Technical Data ........6 Wöhler HF 550 Wood Moisture Meter ... 6 Wöhler FW 550 Moisture Scale for Bulk Material ............7 Device components and connections 8 Meter ............. 8 Probes and Moisture Scale ......
  • Page 3 Customer ............. 31 Save ............31 Print ............. 32 Select probe..........33 SETUP ............33 Check HF 550 and calibration HF 550 ..34 Data administration ......35 Save records..........35 Creating a new customer folder ....36 Customer Menu ........... 37 Maintenance and care ......

  • Page 4: General Information

    General Information General Information Operation Manual In- This operation manual allows you to work safely with the Wöhler HF 550. Please keep this manual formation for your information. The Wöhler HF 550 Wood Moisture Meter should be employed by professionals for its intended use only.

  • Page 5: Transport

    General Information Transport CAUTION! Improper transport can harm the meter, scale and probes. Always transport the meter, scale and probes in the provided carrying case in order to prevent damage. WARNING! Always secure the sharp probe needles with the protection cap. Information on disposal Electronic equipment does not belong into domes- tic waste, but must be disposed in accordance...

  • Page 6: Technical Data

    Technical Data Technical Data Wöhler HF 550 Wood Moisture Meter General technical data Connections Wöhler Hammer Probe, Lance Probe, Wöhler FW 550 Moisture Scale, Temperature Probe, USB-data transfer Power supply Lithium-ion battery 3.6V, 2,250 mAh, charging via USB Working time ca.

  • Page 7: Wöhler Fw 550 Moisture Scale For Bulk Material

    Wood moisture u displayed in % relative to the dry mass of fuel; user can switch to water content w displayed in % relative to the moist mass of fuel The readings are displayed on the HF 550 screen or on the PC screen Bulk material...

  • Page 8: Device Components And Connections

    Device components and connections Device components and connections Meter Connection for temperature probe Screen Keypad Infrared port for the data transfer to the Wöhler TD 100 Thermoprinter Jack connection: a) Hammer Probe b) Lance Probe USB port a) for Charger b) for Wöhler FW 550 Moisture Scale Transport lock for activating the accu.

  • Page 9: Probes And Moisture Scale

    The Temperature probe has to be connected to the meter for measuring the temperature of the sample. Fig. 3: Temperature probe Wöhler HF 550 Firewood log The Wöhler Hammer Probe or the Lance Probe have to be connected to meter for measuring the wood moisture of logs.

  • Page 10: Operation

    Operation The result of the resistance measurement will be more exact, if the Hammer Probe is used, be- cause the needles of the probe can be inserted more deeply into the wood, so that humidity can even be measured inside the wood. Fig.
  • Page 11 Operation After the meter has been switched on, a self test ist carried out for 5 seconds. During the self test the user has the possibility to enter the customer menu or the diagnosis menu. The diagnosis menu shows information about the firmware, the version of the measurement module, the serial number of the meter, the calibration date, the production date and the identification...

  • Page 12: Check Battery Status And Charge Battery

    Check battery status and charge battery When the device is switched on, the battery status Check battery sta- will be displayed in the upper right hand corner of tus and charge the screen. A fully charged battery is shown as a battery solid green battery symbol.

  • Page 13: Measuring The Wood Moisture Of Logs

    Measuring the wood moisture of logs Measuring the wood moisture of logs The Wöhler HF 550 can measure the wood moisture of logs according to VDI 4206, part 4. This measurement is based on a resistance measurement. In order to obtain an exact measurement, the respective material is considered.

  • Page 14: Connecting The Probe

    Measuring the wood moisture of logs The wood moisture must not be confused with the water content. The water content is the water mass related to the total mass of fuel and water (wet basis). �� �� Equation 2 �� = ∙...
  • Page 15 Measuring the wood moisture of logs  Plug the Temperature probe into the corre- spondent port at the top of the meter, see figure 1, part 1. NOTE! The (+) plug is smaller than the (-) plug. Therefore it is only possible to plug in the temperature probe in the correct direction.

  • Page 16: Measuring

    Measuring the wood moisture of logs  Measuring Switch on the Meter, see chapter 4.1. After the self test, the meter will automatically switch to the measuring mode. NOTE! If there is no probe connected to the meter, or if the hammer or lance probe is connected to the meter, the measurement mode of firewood logs will automatically appear on screen.
  • Page 17 Measuring the wood moisture of logs Fig. 14: Measrurement screen: Logs Explanation Selected type of wood Date and time Battery status Actual reading of the wood moisture u Actual measurement point (red) Wood temperature U-value: measurement point 1, already saved U-value: Measurement Point 2, not measured yet Average u-value, calculated from the...
  • Page 18 Measuring the wood moisture of logs The display is divided into a status, a menu and a readings segment. The type of wood is shown in the left status seg- ment. The status window is shown in the right status segment. It shows the time, the date and the battery status.
  • Page 19 The wood to be measured should have a temper- ature of 0°C to 30 °C. Temperature Measurement The Wöhler HF 550 will automatically perform a temperature compensation when measuring the wood moisture. Therefore it is necessary to measure the temperature before measuring the...
  • Page 20 Measuring the wood moisture of logs NOTE! We recommend to measure the wood tempera- ture at the stock location of the wood.  With the arrow keys scroll to the temperature line T see adjacent figure. wood,  Drive the needle of the temperature probe into the log.
  • Page 21 Measuring the wood moisture of logs  Measurement 2-9 With the arrow keys, scroll to the next meas- urement point  Drive in the electrodes of the probe at the next measurement point of the log.  Proceed as described for the measurement point 1.

  • Page 22: Moisture Measurement Of Bulk Material

    Moisture Measurement of bulk material Moisture Measurement of bulk material The Wöhler HF 550 can determine the moisture of bulk material (wood chips, pellets and cereals). NOTE! For the moisture measurement of bulk material the Wöhler FW 550 Moisture Scale must be connected to the meter.

  • Page 23: Preparation Of The Measurement

    Moisture Measurement of bulk material Preparation of the measurement  7.2.1 Positioning the Mois- Place the scale on a flat clean surface. ture Scale CAUTION! The cylinder of the scale has a rugged surface coating. Nevertheless, take care that the coating will not be damaged.

  • Page 24: Measuring

    Moisture Measurement of bulk material  Connect the Wöhler FW 550 Moisture Scale to the meter. Plug the cable of the Moisture Scale into the sleeve at the bottom of the me- ter, see fig. 1, part 5. Fig. 23: Bottom of the meter with Mois- ture Scale connected.
  • Page 25 Moisture Measurement of bulk material Fig. 25: Measurement mode “bulk material” Explanation Sample material (woodships, pellets or grain) Date and time Battery condition Charging level of the Moisture Scale Next step Material temperature Mass m of the sample Moisture value of the sample Menu- key 10.
  • Page 26 Moisture Measurement of bulk material  Temperature Measurement Use the arrow keys to go to the temperature line (T Bulk  Place the temperature probe in the bulk mate- rial.  As soon as the temperature value is shown stable, confirm the value with the -key. The meter will save the temperature value T Bulk On screen a hook will appear next to the tempera-...
  • Page 27 Moisture Measurement of bulk material CAUTION! Take care that the cylinder of the scale is dry, clean and not damaged.  Fill the sample into the cylinder of the Moisture Scale. NOTE! For charging the cylinder, it is possible to use the Fig.
  • Page 28 Moisture Measurement of bulk material The average screen will appear.  The U reading will be marked by a hook.  If you want to repeat the measurement, delete the value with the right key (bin icon). NOTE! For a more representative measurement result, repeat the measurement serveral times with differ- ent samples.

  • Page 29: Main Menu

    Main menu Main menu  In measurement mode, press the left key “ Menu” to open the main menu.  With the arrow keys select a sub menu. Confirm with OK to enter the sub menu.  To return from the menu to the measurement mode, press Escape. NOTE! The main menu depends on the measurement mode (Log Probe or Moisture Scale).

  • Page 30: Selection Of The Material

    Main menu Selection of the mate- Depending on the selected measurement mode (Log probe or Moisture scale) the second sub menu rial is “Log choice” or “Bulk choice”. 8.2.1 Log choice (in mode) Before measuring the moisture of logs, select the type of wood in the menu “Log choice”.

  • Page 31: Bulk Choice (When The Moisture Scale Is Connected.)

    Main menu 8.2.2 Bulk choice (when the Before measuring the moisture of bulk material, select the type of bulk: Pellets, woodchips or grain. Moisture Scale is con-  Select “Bulk choice” in the main menu. nected.)  With the arrow keys go to the selected type of bulk and confirm with OK.

  • Page 32: Print

    Go to the Sub menu “Print” to print all saved measurement data on the Wöhler TD 100 Ther- mal Fast Printer. First, a print preview will appear in the display of the Wöhler HF 550. NOTE! Also the company information will appear on the printout.

  • Page 33: Select Probe

    Main menu Select probe Select, if the measurement mode of logs or of bulk shall appear on screen. The main menu will change correspondingly. SETUP Make your personal settings in the setup menu. To do so, proceed as follows:  With the arrow keys go to the parameter that you want to change.

  • Page 34: Check Hf 550 And Calibration Hf 550

    Factory settings Reset all the settings to its factory default setting (except the calibration). Check HF 550 and cal- The meter has to be checked by a service point which is officially authorized. For this reason, these ibration HF 550...

  • Page 35: Data Administration

    Data administration The Wöhler HF 550 can save and administrate Data administra- customer data. The user can create a folder for tion every client and assign measured data to a client. For saving one ore more measurement records Save records under in a customer folder, proceed as follows: ...

  • Page 36: Creating A New Customer Folder

    Data administration Creating a new cus- You can create new customer or measurement folders in the customer menu (open the customer tomer folder menu directly after having switched on the meter,) or after saving the readings. With the arrow keys, enter the name and the customer number of the customer.

  • Page 37: Customer Menu

    Data administration  In the customer menu select „New customer“.  If necessary you can overwrite the name. To do so select the Customer Name with the up and down arrow keys. Select the letter with the right key. Change the letter with the up and down arrow-key.

  • Page 38: Maintenance And Care

    Maintenance and care Proper operation of the meter requires regular Maintenance and control and maintenance: care Interval Control or Mainte- nance work Before each measure- Check the distance ment with the Hammer between the electrodes, Probe or Lance Probe. if necessary change the needles Before each measure- Check the internal coat-...

  • Page 39: Warranty And Service

    Warranty and Service Warranty and Service 11.1 Warranty Each Wöhler HF 550 Wood Moisture Meter will be tested in all functions and will leave our factory only after extensive quality control testing. If used properly, the warranty period for the Wöh- ler HF 550 Wood Moisture Meter will be twelve month from the date of sale.

  • Page 40: Accessories

    Accessories Accessories Measuring the wood moisture of logs Temperature probe Wöhler HF 550 Order no. 1567 Lance Probe Order no. 5513 Wöhler Hammer Probe Order no. 2522 Measuring the wood moisture of bulk Protection cap and chute Order no. 1127 Wöhler FW 550 Moisture Scale for Bulk Material...

  • Page 41: Sales And Service Points

    Gneisenaustr.12 80992 München Tel.: +49 89 1589223-0 Fax: +49 89 1589223-99 sued@woehler.de International Tschechien Wohler USA Inc. Wöhler Bohemia s.r.o. 20 Locust Street, Suite 205 Za Naspern 1993 Danvers, MA 01923 393 01 Pelhrimov Tel.: +1 978 750 9876 Tel.: +420 5653 49019 Fax.: +1 978 750 9799...

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