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The Measure of Technologie

Operation manual

Thermoanemometer

Wöhler TA 420

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Содержание TA 420

Страница 1: ...The Measure of Technologie EN Operation manual Thermoanemometer W hler TA 420 Art n 23457 2014 04 07...

Страница 2: ...ic Bar with Sensors 10 4 Functional Principle 10 5 Preparation for Operation 11 6 Switch On 13 7 Measuring the Flow Velocity and the Temperature 13 8 Measuring the Volume Flow 14 8 1 Simple volume flo...

Страница 3: ...12 2 Select the Temperature Unit 20 13 Changing the Batteries 21 14 System Reset 21 15 Maintenance and Care 21 16 Warranty and Service 22 16 1 Warranty 22 16 2 Service 22 17 Accessories 23 18 Declarat...

Страница 4: ...use only Liability is void for any damages caused by not following this manual 1 2 Notes ATTENTION Not following this note can cause permanent damage to the device NOTE Useful information 1 3 Intende...

Страница 5: ...ovisions You may hand in any defective batteries taken out of the unit to our company as well as to recycling places of public disposal systems or to selling points of new batteries or storage batteri...

Страница 6: ...mm to 940 mm Probe diameter 12 mm Screen LCD 58 mm x 34 mm Simultaneous display of the flow speed and the temperature Flow probe Glas perl thermistor Temperature probe Thermistor operational conditio...

Страница 7: ...4 to 38 8 knot 40 3940 ft min Resolution 0 1 m s 0 1 km h 0 1 m h 0 1 knot 1 Ft min Accuracy 5 a of reading 1 a terminal value a 0 1m s 0 1 km h 0 1 mile h 0 1 knot 10 ft min Flow rate Description Dat...

Страница 8: ...C Fahrenheit F Range 0 to 50 C 32 F to 122 F Resolution 0 1 C 0 1 F Accuracy 0 8 C 1 5 F Additional Functions Description Data Data Hold Freezes the current readings Memory Recall Indicates the minima...

Страница 9: ...e Leave the menu 3 REC Enter key Recording function for maximum and minimum values Acknowledgement of adjustments 4 UNIT ZERO key Selection of measuring unit Zero point calibration 5 FUNCTION key Sele...

Страница 10: ...equired for a precise measurement at different tempera tures is automatically achieved via a separate thermistor which is installed below the flow sensor The display will simultaneously read both valu...

Страница 11: ...aration for Operation CAUTION Only use the device in the permitted temperature range Avoid strong vibrations CAUTION Do not operate the device in the vicinity of strong electric fields CAUTION Never l...

Страница 12: ...he telescopic bar with the device by plugging the sensor plug into the appropriate device opening The groove at the plug must be at the front side of the device Fig 4 Fig 5 In order to lock the sensor...

Страница 13: ...the device is automatically in the measuring mode for the flow velocity Press the UNIT key and you can select the requested measuring unit for the flow velocity Now hold the telescopic bar into the ai...

Страница 14: ...FM cubic feet per mi nute Select the unit by pressing the UNIT key Hold the telescopic bar into the air flow to be measured TO BE NOTED There is a mark white dot at the sensor head This mark has to be...

Страница 15: ...e can be adjusted with the UNIT ZERO key upwards and the FUNC TION key downwards with the AVERAGE key you go to the next figure TO BE NOTED As a matter of fact the area can only be input in the previo...

Страница 16: ...can be calculated from up to 20 measuring points Press the AVERAGE key The lower left part of the display will now read 1 the main display the first measured value Once again press the AVERAGE key Th...

Страница 17: ...age refer to item 8 3 In this case the aver age value measurement is to compensate fluctua tions during measurement Insert the measuring probe into the funnel as shown in the graphic representation TO...

Страница 18: ...with Chapter 8 2 Measuring funnel Item number Area to be input K 150 53788 0 005 m 2 K 120 53789 0 035 m 2 K 75 53793 0 011 m 2 K 35 53794 0 005 m 2 TO BE NOTED The area to be input depends on the ai...

Страница 19: ...de 11 Record the Mini mum and Maximum Values The minimum and maximum values can be rec orded in RECORD mode Press the REC key in order to get into the RECORD mode The display will read REC Once again...

Страница 20: ...ower off activated and 0 power off deactivated When the automatic power off is activated the device will automatically switch off if no key has been pressed for 10 minutes Shortly before power off an...

Страница 21: ...t in a change of the display a system reset may help With the device being switched on push the slide switch from the left to the right in order to lock the probe plug and then again to the left This...

Страница 22: ...hen the device is sent to the factory for repair Service by non authorized personnel or making modifications to the analyzer voids any warranty 16 2 Service W hler has built our reputation on excellen...

Страница 23: ...Declaration of conformity The product product name Thermoanemometer Model W hler TA 420 xxx complies with the key safety requirements set down in the guidelines of the Council for the Harmonization of...

Страница 24: ...ternational United Kingdom W hler United Kingdom Tel 44 7517 851066 Fax 44 1223 281107 e mail info woehler co uk www woehler co uk USA Wohler USA Inc 5 Hutchinson Drive Danvers MA 01923 Tel 1 978 750...