12
Design and Function
Ź
Digitalised electronic CO
2
control with automatic zero position, NDIR measuring system
with self-diagnosis system and acoustic error display, air pressure compensation
Ź
Language settings (see page 44 )
Ź
Alphanumeric text display
Ź
Integrated week time switch with grup function (e.g. each working day) (see page 31 )
Ź
Retracting push-turn control for simple operation of appliance (see page 26 )
Ź
Two separate Pt100 temperature sensors DIN Class A in a 4-wire circuit for control and
monitoring
Ź
Digital monitoring control for overtemperature, undertemperature and automatic
setpoint following (ASF) (see page 48 )
Ź
Mechanical temperature limiter (TB protection class 1, see page 45 )
Ź
Monitoring relay to switch off heater in case of error
Ź
Optical alarm display
Ź
Acoustic signal messages if temperature or CO
2
limits are crossed, when door is open and
if gas bottle is empty (see page 38 )
Ź
Calibration of temperature, humidity, CO
2
and O
2
possible on the device without a sepa-
rate PC (see from page 50 )
2.3.2 Optionally available additional modules
Comfort module:
Ź
Two gas connections with quick release connectors (see page 13)
Ź
Automatic switch-over of gas bottles
Hygiene module
yg
Ź
Electro-polished, seamless laser-welded chamber
Communication module
Ź
Logging option of temperature, CO2 and relative humidity via computer/laptop
Ź
Internal log memory with 1024 kB as ring memory for all setpoint and actual values, errors
and settings in real time and with date, logging approx. 3 months at 1 minute storage
interval (see page 58 )
Ź
Parallel printer port (PCL3-compatible) for printing out log data (see page 13 and page 43 )
Ź
optionally USB, Ethernet, RS-232 or RS-485 interface (see from page 55 )
CO
22
module
Ź
Extended adjustment range from 0 to 20 %
Ź
3-point calibration (5 %, 10 %, 15 % CO
2
)
O
22
module
Ź
Control of oxygen concentration through the introduction of nitrogen (N
2
); adjustment
range 1 % to 20 % O
2
(not in combination with Comfort or Premium module)
Premium module
Ź
Includes comfort, hygiene, communication and CO
2
modules
Humidity module
y
Ź
Active microprocessor humidification and dehumidification control (40-97 % rh)