Description
Walk in environment testing room is suitable for complete machine or large parts with low temperature, high temperature,high-low temperature changes ,constant temperature,high- low temperatue cycles test etc. Walk in room dimension and function could be provide according ti customer specifications,elegant appearance with flight block style chamber,scientific air flue design and can match the different clients requirement.adopt to touch screen, programmable logic controller(PLC).
Specification
SR NO | SPECIFICATION | VALUE |
1 | temperature range | +20 °c to +80 °c |
2 | humidity range | 40% to 85% rh |
3 | temperaure fluctuation | +/-2°c |
4 | humidity fluctuation | +/-3%r.h |
5 | dimension (internal) (h x w x d) | 400 x 300 x 300cm |
6 | dimension (external) (h x w x d) | 550 x 340 x 340cm |
7 | rate of cooling | 1c /min in average, without load |
8 | rate of heating | 1c /min in average, without load |
9 | interior walls | stainless steel 304 |
10 | exterior walls | steell plate with paint spray |
11 | temperature measurement and controller | 32 bit control and monitoring system. interface facility with rs232 / usb temi 880 plc |
12 | viewing window | multi pane glass window size – 250 mm x 380 mm |
13 | port holes | 50 mm diameter for wire routing |
14 | power supply requirement | three phase, ac380 v ± 10 %, 50 hz |
15 | sound pressure level | < 72db (a) |
16 | condenser cooling | air cooled |
17 | general technical specification | |
18 | thermal cyclic chamber | |
18.1 | chamber with internal air circulation, and all the heaters and cooling coil located behind/below the false sheet of the chamber and outside the working space | |
18.2 | chamber provided with castor wheels for easy mobility | |
19 | interior | |
19.1 | test space welded vapour tight with rounded edges | |
19.2 | the conditioning with air circulation to maintain uniform temperatur | |
19.3 | interior have provision for arranging stainless steel | |
20 | insulation | |
20.1 | insulation is asbestos-free csc-free, with low thermal conductivity, polyrthene pu foam | |
21 | cooling system | |
21.1 | cascade type, refrigeration system with hermetically sealed refrigeration cycles with environment and ozone friendly and chloride free refrigeration | |
22 | door | |
22.1 | lockable front opening, with double door latch easy to open | |
22. | with silicon gasket for perfect sealing | |
23 | viewing window | |
23.1 | viewing interlock is sealed to avoid leakage and provided with heating provision to prevent condensation | |
24 | illumination | |
25.1 | inernallight on viewing windows with external control | |
26 | temperature measuring and control system | |
26.1 | the temperature measuring and control system adopts microprocessor system and provided with touch panel for monitoring and digital display: supplied with support software software is capable to visualize and graphical anallyse the measured & recorded value. | |
A. | graphical representation and digital display and control of set and actual values | |
B. | digital input and display of temperature in degree centigrade | |
C. | with automatic and manual operation | |
D. | fault diagnosis system | |
E. | 120 stroage of programmes | |
26.2 | have adjustable safety cut-out against high and low temperature | |
26.3 | facility to programme temperature measuring using sensor pt100 | |
27 | recorder & pc connectivity | |
27.1 | standard rs -232 interface for pc connectivity | |
27.2 | rs-232 cable for pc connectivity along with pc connectivity software | |
28 | port holes | |
28.1 | each portholes provided with silicon sealing bunker (plug) | |
29 | electrical panel | |
29.1 | all power connectors, protection devices power control logic built in the control panel integrated to the chamber | |
29.2 | all electrical cables tagged with id number | |
29.3 | all electrical function circuit equipped with its own safety device that shuts down the relevant circuit or the entire test chamber if a faulty develops | |
29.4 | all electrical systems comply with recognized technical regulation as well as with the accident prevention regulations. | |
30 | standard protection | |
30.1 | protective feature to be provided as follows: | |
A. | over load trip & earth leakage trip for complete chamber | |
B. | mcb’s for compressors, heaters and motors | |
C. | over load trip for compressors, heaters and motors | |
D. | over temperature cut-off for compressors | |
E. | high pressure and low pressure trip for compressors | |
F. | heater be cut off, if air circulation blowers are off | |
31 | operating system | |
31.1 | detailed operating & maintanance manual supplied in hard copy and soft copy (cd) also | |
31.2 | the manuals include the following: | |
A. | installation details | |
B. | operational instruction | |
C. | complete list parts | |
D. | preventive maintenance procedure | |
E. | trouble shooting measures | |
F. | electrical circuit diagrams | |
G. | refrigeration system details with circuit diagram | |
H. | details technical specification of all the items like compressors, heaters ,pumps,condensers, and valves etc. |