40 Deg C & 75%R.H. Drug Study Walk In Stability Chamber CE Certification

Model: THR–14800-A

Dimensions:

Interior Dimension: W4500×H1500×D2200 mm

Exterior Dimension: W5500×H2200×D3000 mm

Tech Spec:

Temperature :25℃~60℃

Temperature Indication Resolution: ±0.1℃

Temperature Control Accuracy: ±0.5℃

Temperature distribution uniformity:±3 ℃

Humidity: 40%~90%R.H

Humidity Indication Resolution: ±0.1%R.H

Humidity distribution uniformity: ± 5.0%R.H

Test Points: 40 ℃ & 75%R.H.

Air Supply Systems

Air Cycling Device: centrifugal fan, externally installed motor drive

Heating Mode: wire heaters made of a material called Nichrome; PID & SSR control

Cooling Mode: air cooling

Humidification Mode: Stainless steel steam humidification; water purifier is provided for automatic water supply

while being connected to the chamber

Dehumidification Mode: by compressor& de-humidify device

Measuring and Control System:

1 High-accuracy platinum resistance is used for temperature and humidity measurement.

2 Central Control Unit:

2-1 LCD touch screen controller;

2-2 Machine conversational mode is used for control system;

2-3 Two lines of input & two lines of output control mode for controlling temperature and humidity separately; Can

display set point, program curve, working time, and working condition of heaters, refrigeration units & fan.

2-4 Test procedure automatic operation and PID parameter self-tuning function;

2-5 Can automatically combine the subsystem like heating system, humidification/dehumidification system,

refrigeration system, circulation fan, super temperature alarming to operate, to ensure high quality of the whole

temperature/humidity control system;

2-6 Control system has automatic self-checking, self-diagnosis, fault display and alarming function.

Main Parameters:

1 Display Mode: LCD display, touch control

2 Display Accuracy: temperature 0.1%, huidity0.1%

3 Set Accuracy: temperautre0.1℃, huidity0.1%

4 Display Resolution: temperautre0.1℃, humidity0.1%

5 Sampling Time: 72 S/Time;

6 Graphical Display: Full display of setting and program curve

7 Program Capacity: Max.269 programs,each program with 50 Segment, max.13450 cycles

8 Temperature/humidity PV value transfer: this instrument has two way 4-20mA analog output,

Synchronous transmission temperature and humidity; Multi Power Failure Recovery function

9 Time display in /Y/M/D/ mode, also the operating time and program running time can be displayed

10 Communication: USB/RS-232 communication interface, dedicated software are provided.

11 Main Accessories: "LG" circuit breakers, leakage protector, AC contactor, thermal relay device;

12 System Running Mode: program operation, constant operation

13 Remote Control and Monitoring: this machine is equipped with remote communication software,

communication interface and communication cable for remote control & monitoring. Data record,

collecting curve , data acquisition, date save, printing can be finished.

14 Humidification/Water Supply Systems:It is mainly composed of built-in water tank, wet-bulb, solenoid

valve, humidifier, water level controller, connecting pipe, etc.

15 Humidification water processor (pure water treatment device, optional), can automatically/manually

Adding water; soft water after 3 levels filtration, the water resistivity is greater than 500 Ω m.

Multi protection function:

Grounded protection

Leakage/breakage protection

Heater short-circuit protection

Blower motor overload protection

Refrigerator over-voltage protection

Refrigerator overload protection

Water shortage protection

Using Conditions:

Environment Temperature: 25℃±5℃;

Environment Humidity: < 85%R.H. (25℃);

Air Pressure: 86 to 106Kpa;

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