Lufft C300 Manual de usuario
Manual C300/C310...C340 English
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C300/C310-C340
Version V3 (01/2010)
Manual C300/C310...C340 English
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Contents
1READ BEFORE OPERATING FOR THE FIRST TIME 4
2C300/C310…C340 6
3THE DISPLAY 8
4OPERATION 9
5THE UPPER MENU 11
6THE LOWER MENU 12
Manual C300/C310...C340 English
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7SINGLE-POINT CALIBRATION, C300 15
8CALIBRATION, C310…C340 17
8.1 ZERO POINT CALIBRATION 17
8.2 GRADIENT CALIBRATION 18
9REPLACING BATTERIES 20
10 MAINTENANCE AND ADJUSTMENT 21
Manual C300/C310...C340 English
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1 Read before operating for the first time
• The operating instructions should be read carefully before
the device is used and followed in every detail.
• Never take any measurements of electrically live
components
• Remain within 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 requirements can
be found on the data sheet.
• Warranty: Device, 12 months
Manual C300/C310...C340 English
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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.
Manual C300/C310...C340 English
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C300
C310... C340
2 C300/C310…C340
The new Compact series of hand-held measuring devices for
the measurement of barometric pressure and differential
pressure is characterised 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 models
Manual C300/C310...C340 English
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The differential pressure models C310…C340 are 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.
Manual C300/C310...C340 English
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3 The display
◄Upper menu with date and time
◄Sensor 1 display (pressure)
◄Hold, Min, Max, Avg. display
◄Lower configuration and equalisation menu
Manual C300/C310...C340 English
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THUMB-WHEEL
4 Operation
In contrast to conventional hand-held measuring devices, the
C3x0 devices do not have a keypad, but what is known as 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.
Manual C300/C310...C340 English
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The 3 positions of the THUMB-WHEEL
To switch on: press briefly
To switch on with light: press for approx. 2 seconds
To switch off: press for 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
▼
Este manual sirve para los siguientes modelos
4
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