Lufft C300 Operating Instructions Manual Download Page 5 | Manualshive

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Manual

C300/C310...C340 English

Page 5 of 21

Appropriate use:

•

The measuring device must only be operated within the

specified technical parameters.

•

The measuring device can only be used for non-

corrosive gas, such as dry air and dry gases.

•

The measuring device must only be used under the

conditions and for the purposes for which it was

designed.

•

Operational safety can no longer be guaranteed in the

case of modifications or adaptations.

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Summary of Contents for C300

Page 1: ...Manual C300 C310 C340 English Page 1 of 21 C300 C310 C340 Version V3 01 2010 ...

Page 2: ...Manual C300 C310 C340 English Page 2 of 21 Contents 1 READ BEFORE OPERATING FOR THE FIRST TIME 4 2 C300 C310 C340 6 3 THE DISPLAY 8 4 OPERATION 9 5 THE UPPER MENU 11 6 THE LOWER MENU 12 ...

Page 3: ...00 C310 C340 English Page 3 of 21 7 SINGLE POINT CALIBRATION C300 15 8 CALIBRATION C310 C340 17 8 1 ZERO POINT CALIBRATION 17 8 2 GRADIENT CALIBRATION 18 9 REPLACING BATTERIES 20 10MAINTENANCE AND ADJUSTMENT 21 ...

Page 4: ...the measuring ranges of the sensors overheating can lead to their destruction Observe storage and transport requirements protect the device from direct sunlight Carry out pressure equalisation only with appropriate reference When moved from one location to another with different climatic conditions the device needs an acclimatisation period of several minutes Technical data storage and transport r...

Page 5: ...ecified technical parameters The measuring device can only be used for non corrosive gas such as dry air and dry gases The measuring device must only be used under the conditions and for the purposes for which it was designed Operational safety can no longer be guaranteed in the case of modifications or adaptations ...

Page 6: ...haracterised by a large display with background lighting simple operation by means of a thumb wheel a robust and attractively shaped housing high precision low price C300 C310 C320 C330 C340 Range 300 1100 hPa 500 Pa 0 100 mbar 0 2000 mbar 0 5000 mbar Absolute pressure Differential pressure Differential pressure Differential pressure Differential pressure Table Measuring ranges of the different mo...

Page 7: ...e equipped with two pressure ports P1 and P2 In the case of C310 models the higher pressure is connected to P1 For all the other models the higher pressure must be connected to P2 Please also observe the maximum overload on ports P1 and P2 Higher pressures may damage or destroy the sensor ...

Page 8: ...Manual C300 C310 C340 English Page 8 of 21 3 The display Upper menu with date and time Sensor 1 display pressure Hold Min Max Avg display Lower configuration and equalisation menu ...

Page 9: ...a THUMB WHEEL on the left hand side of the device The wheel can be turned up or down through 15 and can also be pressed in the middle position Turning the wheel up selects the upper menu Turning the wheel down selects the lower menu for configuration and equalisation The thumb wheel has to be pressed in the middle position to switch the device on or off and to confirm input values ...

Page 10: ...approx 2 seconds no menu activated Activating the upper menu with HOLD MAX MIN AVG Select with confirm with cancel with or by pressing nothing for 20 seconds Activating the lower configuration and equalisation menu Select with confirm with cancel with or by pressing nothing for 20 seconds Symbol in the rest of the text Symbol in the rest of the text Symbol in the rest of the text ...

Page 11: ... shown steady on the display The menu can be cancelled by or by pressing nothing for 20 seconds Hold Hold freezes the measured value MAX MAX displays the maximum value recorded while activated MIN MIN displays the minimum value recorded while activated AVG AVG displays the arithmetical average value while activated The measured values for the functions Hold MAX MIN and AVG are displayed in the low...

Page 12: ...er configuration and equalisation menu the functions Unit1 Time Date AutoOff CAL 1LH can be selected Select with the selected function flashes and is confirmed by means of The menu can be cancelled by or by pressing nothing for 20 seconds Unit 1 Time Date AutoOff CAL 12LH ...

Page 13: ...l The following table shows which units are possible with which model You can select with and and confirm with Model C300 300 1100 hPa C310 500 Pa C320 0 100 mbar C330 0 2000 mbar C340 0 5000 mbar Units hPa mbar In Hg psi Pa hPa mbar hPa mbar in Hg psi hPa mbar bar in Hg psi hPa mbar bar in Hg psi The units mbar bar in Hg and psi are printed on the housing The unit selected is indicated by means o...

Page 14: ...ans of and and confirm with Date Date is used to set the date Day month end year are entered one after another Select by means of and and confirm with AutoOff AutoOff is used to set the period in minutes for automatic switching off If OFF 1 is set the device will not switch off automatically Select by means of and and confirm with ...

Page 15: ... Maximum offset is 250 0 mbar hPa or 10 00 inHg or 5 00 psi and be entered in steps of 0 1 mbar hPa or 0 01 bar or 0 01 inHg or 0 01 psi In this context the signs and the figures before and after the decimal point are set individually starting with the sign The offset is active across the whole measuring range The original works settings elevation head 0m can be achieved by setting the offset to 0...

Page 16: ... head m Average air pressure hPa Height correction hPa Change m hPa 0 1013 25 0 0 120 100 1001 3 12 0 118 200 989 5 23 8 0 118 300 977 7 35 6 0 116 400 966 1 47 2 0 115 500 954 6 58 7 0 114 600 943 2 70 1 0 113 700 931 9 81 4 0 111 800 920 8 92 5 0 111 900 909 7 103 6 0 109 1000 898 8 114 5 ...

Page 17: ...o point calibration CAL1 L CAL1 L zero point calibration is used to adjust the zero point of the differential sensor To do this please remove the connecting hoses from pressure ports P1 and P2 Select the CAL1 L menu with and confirm with Then the value 0 0 is displayed 1 digit ...

Page 18: ...he sensor The values are entered at the calibration point not as absolute values but as differential values The maximum difference at the calibration point is for the C310 50Pa P1 high pressure P2 low pressure C320 10mbar P2 high pressure P1 low pressure C330 2000mbar P2 high pressure P1 low pressure C340 5000mbar P2 high pressure P1 low pressure The original works settings can be achieved by sett...

Page 19: ...ient calibrations must only be carried out by trained staff with suitable calibration equipment Illustration Changing the gradient on a differential pressure sensor Measured value Displayed value Original works calibration Offset input New characteristic line ...

Page 20: ...play you have a few hours of battery life left Open the battery cover on the back of the device Remove the discharged batteries and replace them with new ones Please use only IEC LR6 AA batteries Do not use rechargeable batteries When inserting the batteries please ensure that they are the right way round and use only high quality batteries ...

Page 21: ...intenance Before it is checked or adjusted the device should be stored at a temperature of approx 20 C 25 C for 12 hours Recalibration should only be carried out by specialist staff or better still at accredited laboratories Clean the device with a damp cloth as and when necessary Do not use any cleaning fluids just plain water to dampen the cloth ...

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