Trotec BC21 User Manual

6 EN
thermohygrometer BC21
Switch-on and measurements
1. Press the powerbutton(8).
ð The display is switched on.
ð The device is ready for operation.
2. Point the device at the area to be measured.
ð Wait for a moment to achieve a stable measured value.
Note:
Note that moving from a cold area to a warm area can lead to
condensation forming on the device's circuit board. This
physical and unavoidable effect can falsify the measurement. In
this case, the display shows either no measured values or they
are incorrect. Wait a few minutes until the device has become
adjusted to the changed conditions before carrying out a
measurement.
Switching the display illumination on and off
1. Press the HOLD/ lampbutton(5) for approx. 3seconds.
ð The display illumination goes on.
2. Press the HOLD/ lampbutton(5) again for approx.
3seconds.
ð The display illumination switches off.
Setting the MAX/ MINfunction
1. Press the MAX/ MINbutton(7).
ð MAX(9) appears on the display.
ð Actuating the MAX/ MINbutton(7) starts a new
measurement. The value now appearing on the display
is the reference value.
ð MAXfunction: The maximum value of the newly started
measurement interval is displayed. Values smaller than
the one displayed will not be indicated.
2. Press the MAX/ MINbutton(7) again.
ð MIN(10) appears on the display.
ð Actuating the MAX/ MINbutton(7) starts a new
measurement. The value now appearing on the display
is the reference value.
ð MINfunction: The minimum value of the newly started
measurement interval is displayed. Values exceeding
the one displayed will not be indicated.
3. Press the MAX/ MINbutton(7) for approx. 2seconds to
terminate the function.
ð The measurement interval is reset.
ð The currently measured value is indicated.
Setting the HOLDfunction
1. Press the HOLD/ lampbutton(5).
ð The current value will be held.
2. Press the HOLD/ lampbutton(5) again.
ð The display again indicates the current measured value.
Setting of the measuring functions
Here the unit for the lower measurement value display(16) can
be set.
1. Press the Dew Pointbutton(6).
ð The displayed unit(13, 14, 15) changes.
ð Possible display values are:
Unit Description
°C Temperature indication in degrees Celsius
°F Temperature indication in degrees Fahrenheit
Wet Bulb Indication of the wet-bulb temperature
Dew Point Indication of the dew point temperature
Switch-off
1. Press the powerbutton(8).
ð The device will be switched off.
Maintenance and repair
Battery change
A battery change is required when a battery indication(19)
lights up on the display(4) or the device can no longer be
switched on. See chapter Operation.
Cleaning
Clean the device with a soft, damp and lint-free cloth. Make
sure that no moisture enters the housing. Do not use any
sprays, solvents, alcohol-based cleaning agents or abrasive
cleaners, but only clean water to moisten the cloth.
Repair
Do not modify the device or install any spare parts. For repairs
or device testing, contact the manufacturer.
Errors and faults
The device has been checked for proper functioning several
times during production. If malfunctions occur nonetheless,
check the device according to the following list.

Trotec BC21 Specifications

General

Brand	Trotec
Model	BC21
Category	Measuring Instruments
Language	English