Memmert, Environmental Test Chamber, CTC256, 256 liters

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Free shipping for orders with a pickup location in Ho Chi Minh City
Orders with delivery locations in other provinces will have delivery costs depending on the delivery location and negotiated in the contract with the customer.

Details:

Specifications

– Volume: 256 liters

– Interior dimensions: width 640 x height 670 x depth 597 mm

– Exterior dimensions: width 898 x height 1730 x depth 1100 mm

– Stainless steel interior

– Textured stainless steel casing

– Door: fully insulated stainless steel door with double-locking and 4-point adjustment, heated

– Maximum number of grids: 6

– Max. loading per grid: 25 kg

– Max. loading of chamber: 100 kg

– Lockable castors for ease of transport

– Stainless steel grid: 1 pc

– Entry port right, 80 mm, with stopper

– High-performance air fan, speed adjustable in 10 % steps with monitoring function of fan speed and automatic speed adjustment

– Works calibration certificate (measuring point chamber cen tre): -20ºC and 160ºC

– Works calibration certificate (measuring point chamber centre): 30ºC and 60% RH

– Electronic microprocessor temperature controller with Pt100 and auto-diagnostic system

– Temperature sensors Pt100 Class A in 4-wire circuit for uninterrupted operation on failure of one Pt100 with warning indication

– Temperature range with humidity control: 10 – 95ºC

– Temperature range without humidity control: -42 to 190ºC

– Setting accuracy: -42 to 99.9ºC: 0.1ºC, 100 to 190ºC: 0.5ºC

– Temperature change rate in heating operation (acc. to IEC 60068-3-5) -40°C to +180°C measured at an ambient temperature of 22°C: 10 K/min

– Temperature change rate in cooling operation (acc. to IEC 60068-3-5) 180°C to -40°C measured at an ambient temperature of 22°C: 3 K/min

– Temperature changes over time according to DIN 12880:2007-05 (depending on set point of minimum temperature to 150ºC and humidity> 20%): ± 0.2 … 0.5 K

– Chamber uniformity (depending on set point): ± 0.5 … 2 K

– Active microprocessor control for humidifying and dehumidifying (10 – 98 % rh) incl. digital indication and autodiagnostic system ensures rapid reaching of set humidity and very short recovery times; humidity supply with water (only for demineralised water with a conductivity of 5 to 10 μS/cm and a pH value between 5 and 7; from an external tank) by self-priming pump

– Humidity stability in time: ± 1 – 3% rh

– Telescopic slide for each 2 x 10 l tanks for water (only for demineralised water with a conductivity of 5 to 10 μS/cm and a pH value between 5 and 7) as well as 2 x 10 l tanks as condensate collector.

– Automatic water tank change-over with alarm for continuous operation.

– Control technology: Timer with residual running time: max. 40 ramps (each ramp 1 min. up to 999 h) programmed through controller or MEMoryCard XL card; programming via PC and free-of-charge software: unlimited number of ramps.

– Real-time/weekly programmer with group function (e.g. Monday – Friday)

– Calibration (no separate PC required), Temperature: 3-point calibration on controller

– Calibration (no separate PC required), humidity: 2-point calibration at 20% and 90% rh

– Setting of language for dialogue and display DE / EN / ES / FR / I T

– Microprocessor temperature monitor acting as overtemperature protection (protection class 3.3), with Pt100 incorporating fault diagnostics with visual and acoustic alarm

– Temperature monitoring band automatically linked to the setpoint (ASF)

– Monitor relay for reliable heating cut-off in case of fault

– Mechanical temperature limiter (TB)

– Internal log memory1024 kB as ring memory for all setpoints, actual values, errors, settings with real-time and date; capacity approx. 3 months at 1 min. intervals.

– “Celsius” software for control and documentation of temperature and relative humidity

– Refrigeration: High-performance twin compressors (refrigerant R449A) with adjustable speed condenser fan and electronically controlled refrigerant injection.

– Halogen interior lighting 2 x 25 W

– Acoustic and optical alarm: Door-open

– Acoustic and optical alarm: Empty water tank

– Acoustic and optical alarm: Over- and undertemperature

– Acoustic and optical alarm: Underhumidity

– Housing: rear zinc-plated steel

– Electrical load: 400 V, 3 phase, 50/60 Hz, 7000 W

– Ambient temperature: 16 – 28ºC

– Humidity: max. 70% rh, non-condensing

Included:

+ Stainless steel grid, 1 pc

+ Works calibration certificate (measuring point chamber centre): -20ºC and 160ºC

+ Works calibration certificate (measuring point chamber centre): 30ºC and 60% rh

+ “Celsius” software for control and documentation of temperature and relative humidity

+ MEMoryCard XL

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