Pharmaceutical stability testing Laboratory Equipment walk-in temp
P.S.:All above test index tested 2 hours later after machine
running stable, and under non linear control and no load condition.
|Model||THR-volume (low-temperature options : A ~ F)|
|Inner Dimensions(cm)||Customers designated space size and design|
|Temperature Range||Low Temperature(A:25℃ B:0℃ C:-20℃ D:-40℃ E:-60℃ F:-70℃) High
Temperature 80℃ (80℃ ~150℃ is optional)|
|Humidity Range||20%~98%R.H.(10%-98% R.H. / 5%-98% R.H ,is a special optional
condition, need dehumidifier)|
Uniformity of Temperature & Humidity
|0.1℃; 0.1% R.H/±2.5℃; ±3.5% R.H.|
Control Accuracy of
Temperature and Humidity
|±0.5℃; ±2.5% R.H.|
Temperature rising approx. 0.1~3.0°C/min;
temperature falling approx. 0.1~1.0°C/min;
( The Falling Velocity Min.1.0°C /min is a optional)
|Cooling System||Water cooled|
|Protection Devices||Fuse-free switch, overloading protection switch for compressor,high
and low voltage coolant protection switch, over-humidity &
over-temperature protection switch, fuses, fault warning system,
water short storage warning protection|
|Optional Accessories||Slope for cart , Recorder, Water Purifier, Dehumidifier|
|Compressor||French Tecumseh Brand, Germany Bizer Brand|
|Power||AC 380 V(±10%),50/60HZ ,3∮ 5 Lines|
3 Air Supply Systems for Walk In Climatic Stability Test Chamber.
3-1 Air Cycling Device: centrifugal fan, externally installed motor
3-2 Heating Mode: wire heaters made of a materiMedicine Stability
Incubator Walk In Test Chamberal called Nichrome; PID & SSR
3-3 Cooling Mode: air cooling
3-4 Humidification Mode: Stainless steel steam humidification;
water purifier is provided for automatic water supply while being
connected to the chamber
3-5 Dehumidification Mode: by compressor& de-humidify device
4 Refrigeration/Dehumidification Systems
4-1 Refrigeration Accessories:
Vortex cascade type mechanical refrigerating system
Good refrigeration scale, low noise, low energy consumption, high
Two compressors are used for the machine to ensure Long-term &
4-1-2 Refrigeration Evaporator:
Finned evaporators are used for increasing heat exchange efficiency
This evaporator has the advantages of beautiful look, compact
shape, and fast cooling effect.
4-1-3 Oil Separator & Refrigeration Oil:
Enough high-quality refrigeration oil is most important for
Refrigeration compressor, which will directly affects its service
life. If the refrigeration oil runs into refrigeration system,
especially into heat exchangers, the performance will greatly
reduces. So oil separator with best performance is provided for
this machine, with stable viscosity.
4-1-4 High Efficiency Condensing Evaporator:
The world advanced brazed plate heat exchanger is used for high
heat transfer intensity, also this exchanger is not easy to scale
4-2 Cooling Mode: air cooling or water cooling
4-3 Main Refrigeration Accessories: Solenoid valve, manual valve,
filters, expansion valve, pressure ,Controller, vibration absorber
tube, diminisher, electronic expansion valve are all world famous
4-4 Refrigerants: R404A or equivalent, environmental friendly.
5 Pharmaceutical stability testing Laboratory Equipment walk-in temp
humidity chambe construction
5-1 Console Model Chamber:
5-1-1 The workspace is located at the left side or as to the user
5-1-2 Refrigeration unit cabinet located in the right side;
5-1-3 Electric control part is placed in the refrigeration unit
cabinet, with operation panel on the front Chamber exterior is made
of cold rolled steel with powder-painted, interior is stainless
steel SUS304 #;
5-1-4 Thermal insulation material is flame retardant polyurethane
rigid foam, of 100-150mm thickness.
5-2 Refrigeration Unit Cabinet:
5-2-1 Located in the right side of the chamber, and refrigeration
compressors are installed on its frame,
5-2-2 Special door for maintenance & repair is provided.
5-2-3 Acoustical boards are used for lowing noise to maximum limit.
5-3 Chamber door:
5-3-1 Single door or double door, or according to customer’s
5-3-2 Silicon rubber is used for high sealing effect, high / low
temperature resistance, anti-aging, and good Sealed performance.
5-4 Lighting Device: two interior lights of 12W/36V, moisture-proof
& explosion-proof, can be directly manual switch controlled
from the outside.
5-5 Chamber Bottom:
5-5-1 Height distance to the floor is 200mm; chamber base board is
slightly slant with drain hole for letting out the condensed water.
5-5-2 Interior chamber floor contains many stiffeners, to enable
the floor load capacity ≥500Kg / m2, wheel impact ability≥1MT;
5-5-3 Movable entry ramp is provided.
5-6 Other construction details
5-6-1 Door knob, with safety lock
5-6-2 Stainless steel sample shelves or slope for cart are optional
6 Measuring and Control System of Medicine Stability Incubator Walk
In Test Chamber:
6-1 High-accuracy platinum resistance is used for temperature and
6-2 Central Control Unit:
6-2-1 LCD touch screen controller;
6-2-2 Machine conversational mode is used for control system;
6-2-3 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.
6-2-4 Test procedure automatic operation and PID parameter
6-2-5 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;
6-2-6 Control system has automatic self-checking, self-diagnosis,
fault display and alarming function.
7. Main Parameters:
7-2-1 Display Mode: LCD display, touch control
7-2-2 Display Accuracy: temperature 0.1%, huidity0.1%
7-2-3 Set Accuracy: temperautre0.1°C, huidity0.1%
7-2-4 Display Resolution: temperautre0.1°C, humidity0.1%
7-2-5 Sampling Time: 32 S/Time;
7-2-6 Graphical Display: Full display of setting and program curve
7-2-7 Program Capacity: Max.269 programs,each program with 50
Segment, max.13450 cycles
7-2-8 Temperature/humidity PV value transfer: this instrument has
two way 4-20mA analog output, Synchronous transmission temperature
and humidity; Multi Power Failure Recovery function
7-2-9 Time display in /Y/M/D/ mode, also the operating time and
program running time can be displayed
7-3 Communication: USB/RS-232 communication interface, dedicated
software are provided.
7-4 Power Control: adopts Taiwan "FOTEK/CKC" three-phase solid
state zero passage trigger work technology, reliable control, no
noise, electric network pollution;
7-5 Main Accessories: "LG" circuit breakers, leakage protector, AC
contactor, thermal relay device;
7-6 System Running Mode: program operation, constant operation
7-7 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.
8 Humidification/Water Supply Systems
It is mainly composed of built-in water tank, wet-bulb, solenoid
valve, humidifier, water level controller, connecting pipe, etc.
8-1 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.
8-2 Water Level Controller: famous brand
8-3 Stainless Steel Humidifier
8-4 Self-priming Cycling Pump.
8-5 Electromagnetic Valve: work with water level controller to
realize continuous supply of water.
9 Safety Devices and Electromagnetic Compatibility Requirements:
9-1 The chamber shall meet the national electrical safety standard,
normative wiring, each connection ports has clear mark, no naked;
9-2 Workspace is absolutely insulated to all the power, resistance
is greater than 1 m Ω, and no accumulated static electricity.
9-3 Medicine Stability Incubator Walk In Test Chamber Multi
Heater short-circuit protection
Blower motor overload protection
Refrigerator over-voltage protection
Refrigerator overload protection
Water shortage protection
10 Energy Saving and Noise Reduction
10-1 Energy Saving: Centrifugal wind circulation system is used,
with larger air pressure, larger air volume, high efficiency of
10-2 Walk In Climatic Stability Test Chamber for Auto Spare Parts
10-2-1 International famous brand refrigeration compressor
10-2-2 Low temperature piping with shock absorption, to reduce
noise when compressor is operating
10-2-3 Cryogenic system with mufflers, to effectively reduce the
noise when the high pressure refrigerant flow through the pipe
10-2-4 Sound-absorbing steel plate is used for refrigeration
10-2-5 Sound-absorbing material is used in refrigeration cabinet
wall, reducing noise to max. Limitation.
11 Using Conditions:
11-1 Environment Temperature: 25°C±5°C;
11-2 Environment Humidity: < 85%R.H. (25°C);
11-3 Air Pressure: 86 to 106Kpa;
12 Technical Documents & Accessories:
Operating & maintenance manuals, warranty Cards, instrument
instruction manual, communication software, etc.;
If you have any question about our walk in temperature chamber ,pls
contact with us . thank you .