Climatic test chamber CTC256

Climatic test chamber CTC256

Features:

Ventilation and control technology:

• extremely powerful air turbine in the interior
• depending on the operating state automatic speed adjustment or adjustability of 10-100%
• adaptive fuzzy-assisted multi-functional digital PID microprocessor controller
• Self-diagnostic fault finding system for temperature control
• 2 Pt100 sensors DIN class A in 4-wire measurement with mutual monitoring and failover at exactly the same temperature value
• Digital real-time weekly program clock with daily group function, adjustable to the minute
• Relative time clock for tempering profiles with up to 40 ramps, each segment adjustable from 1 min. To 999 hrs
• digital display of all temperature, weekday, time, speed, air damper, ramp segment and set-up default values ​​- language selection via set-up
• digital setpoint specifications (resolution 0.1 ° C to 99.9 ° C, 0.5 ° C from 100 ° C) and actual value display (resolution 0.1 ° C) of the temperature values ​​(LED)
• Calibration option on the controller for three freely selectable temperature values ​​Two-point calibration for humidity: 20 and 90% rh
• Moisture supply with distilled water from 2 x 10 l container integrated on telescopic extension in the device, with automatic switching
• Integrated GLP-compliant long-term logging (ring buffer) of all relevant data as a datalogger - 1024 kB
• Storage of the program sequence in case of power failure
• Parallel printer interface (including real-time clock with date function) for all PCL3-compatible inkjet printers for GLP-compliant documentation
• USB interface incl. Memmert software "Celsius" for control and logging
• Chip card control incl. 1 MEMoryCard XL with 32 kB storage capacity (max. 40 ramps)
• Incl. Factory calibration certificate for -20 ° C and below. + 160 ° C
• Incl. Factory calibration certificate for + 30 ° C a. 60% rh
• powerful ring radiators with optimized air circulation
• Door heating to prevent condensation

Humidification and dehumidification system:

• active humidification and dehumidification of 10-98% rh with digital display of relative humidity - display resolution 0.5%, setting accuracy 1%
• Moisture feed with distilled water from external container through self-priming pump
• Humidification by hot steam generators

Cooling concept:

• Chiller with 2 compressors
• Variable speed condenser fan
• CFC-free refrigerant R404A

Multiple overtemperature protection:

• with audible and visual alarm
• Temperature selector switch (TWW), protection class 3.3 or temperature selector limiter (TWB), protection class 2, adjustable on the controller
• with audible and visual alarm when the temperature is over / under temperature, door open warning
• additionally integrated over- and under-temperature protection "ASF", which automatically follows the setpoint at a freely selectable distance; Alarm when exceeding or falling below, heater shutdown when exceeding or switching off the cooling unit when falling below
• mechanical temperature limiter TB protection class 1 (DIN 12 880) for heating shutdown approx. 10 ° C above the max. cabinet temperature

Textured Stainless Steel Casing:

• fully insulated stainless steel door with double lock and 4-point adjustment, heated
• fully galvanized sheet steel rear wall
• movable and lockable, on wheels

Inner space:

• easy-care stainless steel work room W.-St. 1.4301 (ASTM 304), hermetically welded
• 1 stainless steel grate