Memmert ICH 256 Climate Chambers (Generation 2003) - Manual (Page 53)

53
Advanced Functions
Tolerance band ASF
Adjustment range: 0.5 to 5°C (see page 53 )
Language Language
Setting: GERMAN, English, franCAIS, ESPANOL and italIANO
Corrective values
CAL 1-3, rh20, RH80, CO2 5, CO2 10, CO2 15
for customer-side calibration of temperature, humidity and
CO
2
(see chapter " Calibration " on page 59 )
Leave setup Leave setup
Save all settings and leave the SETUP mode
The realtime clock which is set in the SETUP contains the date and clock time. It is used
for logging purposes in accordance with GLP. Date and clock time are specified on the log
printout. On graphical printouts, the time axis is labelled with the realtime. The clock is
battery-buffered and is independent of the mains connection. The integrated lithium battery
of the type CR 2032 has a lifetime of approx. 10 years.
7.3 Temperature monitoring
The monitoring temperature is measured via a separate Pt100 temperature sensor in the
chamber interior. The monitoring unit is used to protect the chamber load and as a protection
for the appliance and surroundings.
The appliance is equipped with a double overtemperature protection (mechanical/electronic)
in accordance with DIN 12880.
°C
MIN
AUTO
MAX
1
2
3
1 6
5
4
Fig. 22 Temperature monitoring display
1 Visual
Fig. 22 Fig. 22
alarm icon lit up: TB
Temperature monitoring display Temperature monitoring display
alarm flashing: TWW
Temperature monitoring display Temperature monitoring display
alarm, ASF alarm
2 Undertemperature protection
alarm icon lit up: TB alarm icon lit up: TB alarm flashing: TWW alarm flashing: TWW
3 Automatic temperature monitor (ASF, see page 56 ) 56 56
4 Overtemperature protection (TWW, TWB, see page 54 ) 54 54
5 Trigger temperature
6 Acoustic alarm icon
Trigger temperature Trigger temperature