Memmert TTC 256 Temperature test chamber (Generation 2003) - Manual (Page 13)

13
Design and description
-50,0
0,0
50,0
100,0
150,0
200,0
00:00 00:10 00:20 00:30 00:40
158 °C
-18 °C
98%
90%
10%
Warm-up time 0%
Fig. 8 Warm-up 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