On this page, you can find all the essential technical data on the Memmert environmental chamber CTC/TTC for climate testing and temperature testing.
Temperature
| Setting accuracy temperature |
up to 99.9 °C: 0.1 / from 100 °C: 0.5 |
| Temperature range |
without humidity: from -42°C up to +190°C |
| Temperature distribution (spatial) |
+/- 0.5 up to 2K |
| Temperature sensor |
2 Pt100 sensors DIN Class A in 4-wire-circuit for mutual monitoring, taking over functions in case of an error |
| Display |
resolution of display for setpoint values 0.1°C up to 99.9°C, 0.5°C from 100°C and for actual values 0.1°C (LED) |
Control technology
| Controller |
Electronic microprocessor temperature controller with auto-diagnostic system |
| Controller |
digital display of all set parameters, such as temperature, weekdays, time, fan speed, air flap position, programme status and set-up values – language to be chosen via set-up |
| Timer |
integrated timer for tempering profiles of up to 40 ramps each, each segment adjustable from 1 min. to 999 hrs. |
| Calibration |
three freely selectable temperature values |
Ventilation
| Fan |
high-performance air fan in working chamber |
| Fan control |
depending on operation status automatic adaption of fan speed resp. manual adjustment from 10 to 100 % |
Communication
| Interface USB |
USB-interface incl. Memmert software “Celsius” for programming and documentation |
| Interface Printer |
parallel printer interface (incl. real time clock with date function) for all PCL3-compatible ink jet printers for GLP-conforming documentation |
| Documentation |
integrated ring memory as data logger for GLP-conforming long-term documentation of all relevant parameters – 1024 kB |
| Documentation |
programme stored in case of power failure |
| Programming |
chip-card control incl. 1 MEMoryCard XL with 32 kB storage capacity (max. 40 ramps) |
Safety
| Temperature control |
mechanical temperature limiter TB, protection class 1 according to DIN 12880 to switch off the heating approx. 10°C above nominal temperature |
| Temperature control |
over- and undertemperature monitor TWW, protection class 3.3 or adjustable temperature limiter TWB, protection class 2, adjustable at controller |
| AutoSAFETY |
additionally integrated over- and undertemperature protection “ASF”, automatically following the setpoint value at a preset tolerance range, alarm in case of over- or undertemperature, heating is switched off in case of overtemperature, compressor in case of undertemperature |
| Autodiagnostic system |
integral fault diagnostics for temperature control |
| Alarm |
with visual and acoustic alarm in case of over-/under temperature and open door |
Heating concept
| Ring heater |
high-performance ring heaters with optimised air circulation |
| Door |
door heating to avoid condensation |
| Cooling |
twin compressor; refrigerant R449A |
Standard equipment
| Entry port |
Entry port right, 80 mm, with stopper |
| Internals |
1 stainless steel grid(s), electropolished |
| Works calibration certificate |
standard values +10 °C and +37 °C, 60 % rh at +30 °C |
| Door |
fully insulated stainless steel door with double-locking and 4-point adjustment, heated |
| Interior |
easy-to-clean stainless steel interior, materil 1.4301 (ASTM 304), hermetically welded |
Stainless steel interior
| Volume |
256 l |
| Dimensions |
w(A) x h(B) x d(C): 640 x 670 x 597 mm |
| Max. number of internals |
6 |
| Max. loading per internal |
25 kg |
Textured stainless steel casing
| Dimensions |
w(D) x h(E) x d(F): 898 x 1730 x 1100 mm (d +50mm door handle) |
| Installation |
on lockable castors |
| Housing |
rear zinc-plated steel |
Electrical data
| Electrical load |
400 V, 3 phases, 50/60 Hz / approx. 7000 W |
Ambient conditions
| Set Up |
The distance between the test chamber and the walls/ceiling must be at least 25 cm. |
| Ambient temperature |
16 ºC to 28 ºC |
| Humidity rh |
max. 70 %, non-condensing |
| Altitude of installation |
max. 2,000 m above sea level |
| Pollution degree |
2 |
Packing/shipping data
| Transport information |
The appliances must be transported upright |
| Customs tariff number |
8419 8998 |
| Country of origin |
Federal Republic of Germany |
| WEEE-Reg.-No. |
DE 66812464 |
| Dimensions approx incl. carton |
w x h x d: 1020 x 1910 x 1310 mm |
| Net weight |
approx. 337 kg |
| Gross weight carton |
approx. 463 kg |
