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Instruction manual

Feltest AirSpeed/2

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Summary of Contents for AirSpeed/2

Page 1: ...Instruction manual Feltest AirSpeed 2...

Page 2: ...2...

Page 3: ...2 1 Intended use 4 2 2 Safety precautions 4 3 About the instrument 6 3 1 Names of parts 6 3 2 Working principle 7 4 The measurement 7 4 1 Measuring procedure 7 4 2 Interpretation of the results 9 5 T...

Page 4: ...Feltest Equipment bv for more information Keep this manual where the operator can easily find it Use the instrument as intended and according to this manual Do not measure the airflow through forming...

Page 5: ...fety constructions from the paper machine Please note Doing measurements of any kind on running paper machines is dangerous and requires alertness concen tration and common sense The Feltest instrumen...

Page 6: ...f an electronic read out unit a probe with a small propeller that is installed in a plastic measuring head and a telescopic grip The air flow is measured by a small aerody namically optimised propelle...

Page 7: ...e air speed through a press felt Find a safe and stable position close to the Uhle box expand the telescopic grip so it will not be necessary to bend over into the machine but most important is to sta...

Page 8: ...ith which the measuring head is pressed onto the felt Generally spoken the position which gives the highest test results is the best After switching on the instrument averages are calculated over 2 se...

Page 9: ...several measurements over time with different levels of vacuum one could calculate a relative dynamic permeability This means to meas ure both vacuum and air speed and then calculating the air speed...

Page 10: ...Display LCD 4 characters Measuring rate 2 values sec Supply Battery 1 x 9 Volt size PP3 Current consumption approx 15 mA Battery life approx 12 hours Case dimensions 80x145x39 mm ABS plastic Case pro...

Page 11: ...1989 The evaluation procedure of conformity was assured according to the following standards a Emission EN 55022 1994 b Immunity EN 50082 1 1992 This EC Declaration of conformity is based on the test...

Page 12: ...P O Box 205 NL 6960 AE Eerbeek The Netherlands T 31 313 652 215 F 31 313 654 068 E info feltest com W www feltest com...

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