Basic Equipment - Memmert CTC 256 Operating Manual

T
T (100 %) = 180 °C
max
90 % = 158 °C
10 % = –18 °C
T (0 %) = –40 °C
min
Fig. 7 Heating up speed and cooling down speed

2.4 Basic equipment

FCKW-free cooling unit with automatic hot gas defrosting device and motor-driven air circula-
tion in the chamber
►
Electronic fuzzy-supported PID process controller with permanent performance adjust-
ments and time-saving self-diagnosis system to quickly locate errors (see chapter chapter
6. Malfunctions and error messages on page 44 )
►
Alphanumeric text display (see page 28 )
►
Control of appliance and logging of actual values on MEMoryCard XL (see page 58 )
►
Programme sequence control for up to 40 ramp segments (see chapter 5.8.5 Program-
ming mode on page 35 )
►
Integrated week time switch with group function (e.g. each working day) (see chapter
5.8.3 Week time switch on page 33 )
►
Retracting push-turn control for simple operation of appliance (see page 27 )
►
Acoustic warning signal when programme ends and for input acknowledgment (button
click) (see page 47 )
►
Digital monitoring control for overtemperature, undertemperature and automatic setpoint
following (automatic safety function / ASF) (see page 48 )
►
Two separate Pt100 temperature sensors DIN Cl. A in a 4-wire circuit for control and moni-
toring (see page 21 )
►
Parallel printer port (PCL3-compatible) (see page 46 )
►
USB interface (optionally Ethernet) for computer-based temperature control programmes
and to read out the controller's internal log memory (see page 55 )
►
MEMMERT Celsius software from version V9.4 for remote control of the test chamber via
computer and to read out the controller's internal log memory
Aufheizzeit
Design and description
Abkühlzeit
t
13