NSW-152-AC Altitude Chamber
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ENVIRONMENT CHAMBER
DETAILED DESCRIPTION
Environmental Test Chamber with Altitude.
- Construction: Standard chambers are made with stainless steel inner chamber; while exterior cabinet is made of powder coated GI sheet. The steel frame is nicely welded and firmly jointed to ensure you a rugged machine. High density PUF insulation is filled in the gap between inner and external walls. Heavy duty caster wheels are fitted at bottom for easy mobility of the temperature cycling chamber.
- Door: The door is also insulated and fitted with imported latch. A silicone gasket is fitted on the door for excellent sealing. A frost-free observation glass window is also provided on the door.
- Heater: Only branded SS tubular air heaters are used in our hot and cold chambers to generate heat. These heaters provide rapid heating with long service life
CONTROL SYSTEM AND ITS PROGRAMMING
Control, Data acquisition and Monitoring (minimum requirements)
- Digital 32 Bit measuringandcontrol system 4.3/5/7/10'' or larger Size Color TouchPanel which have inbuilt controller for operation, with/without the need of PC
- TouchPanel: Colortouchpanelforoperation
- Thedisplayshall provide the Information set andactual values of temperatureand relative humidity ingraphical form andnumericalform.
- The temperature of the chamber shall be monitored by a temperature-sensing device suitably located in its working space. Provision for continuous display of set value and actual value of Temperature, Humidity and graphical representation of Temperature and Humidity with respect to time
- USBandEthernetInterface
- Program memory programs-
- Segments- Program controllers start parameters for programs: immediately, delayed, real time, pause.
- Password protection- Yes
- Provision for selection of manual and automatic modes
- Ethernet port for connection to a remote PC for programming and data logging
CONSTRUCTION
Environmental Test Chamber with Altitude
- Interior: The inner chamber shall be constructed using Stain less steel sheet 18 SWG, 304 which is Corrosion Resistant. This shall be polished with a suitable finish. The entire test space is TIG welded and reinforced.
- Exterior: The exterior of the chamber shall be constructed of 18 SWG GI Steel, powder coated, heat and corrosion resistant chassis, with galvanized steel panels and access doors.
- Doors: Single door with door limit switches:
- Full opening single swing front single door equipped with Chromium plated hinges and tight sealing high temperature silicon rubber gasket
- Hinged on the left side, lockable, optimum contact pressure, one-handed operation with fog free heated viewing window.
- LOCK: Lock on right hand side of chamber mandatory to meet building installation requirement.
- Observation Window- Multilayer Observation Window of. Observation Window shall be provided with internal heaters to avoid condensation formation on the Window
- Shelves 2no of adjustable shelves provided along with the chamber with minimum loading capacity of 25-80 Kg each
- Test space loading- Capacity for Load 50 kg Maximum Load Per Shelf Maximum load: 150 kg on test space floor The Chamber shall operate with an ambient temperature of no more than 45°C.
- INSULATION- Insulation shall be made of high-density, low K- factor glass wool & ceramic wool combination. Low thermal conductivity breaker used to seal the insulation to eliminate heat transfer between the inner tank and outer body
- GASKET: Double layer silicon gasket shall be provided for proper sealing of the door with chamber.
- CASTER WHEELS: lockable non-metallic heavy duty castor wheels of sufficient weight carrying capacity shall be mounted for easy movement of the chamber on floor
- Illumination Lamp: Chamber shall be provided with illumination lamp for the working space
- Test Specimen protection: High and Low temperature limit controller which can be adjusted digitally (specimen protection with separate sensor) according to EN 60519-2 (1993)
- Measurement sensors; PT 100 Platinum Temperature Sensor.
FAN MOTORS AND AIR CIRCULATION:
Fan motor shall be required. Fan motors shall be 3 phase induction motor with single jointless long shaft made of S.S. properly balanced to avoid any noise and vibration during operation S.S Axial fans shall be used. Only S.S. Nut / bolt shall be used to mount fan/blower on motor shaft. Sufficient air circulation shall be provided to achieve specified temperature gradient. Air shall be sucked by the fan from the workspace, flown down to bottom and entering to workspace. Proper ducting for air flow passes over heater and cooling coil for uniform distribution of air in workspace.
DRY HEATING SYSTEM:
Sealed Inconel heaters properly insulated to withstand high and low temperatures. The system is protected from overheating when the temperature exceeds a predefined limit. Interlocks provided to prevent operation of heating system when there is no air circulation in the test space.
REFRIGERATION UNIT:
Air-cooled refrigeration unit
Two stage (cascade) refrigeration system using refrigerant R-404a (for High stage) and R-23 (for Low stage), Air cooled condenser, cascade condenser and compressors (semi-sealed). Air-Cooled, Refrigerant- environmentally friendly & non-CFC based Refrigeration unit
ACCESS PORTS:
Access Port: 50/75/100/125/150 mm on Left Side
Safety
- a) Safety thermostat
- b) Low/high pressure cutouts c) Safety Alarm, Tower Lamp
- d) Door Limit Switch e) Overload Trip & Earth Leakage Trip for complete Chamber.
- f) Single Phasing Trip in case of a phase failure
- g) High phase-to-phase voltage variation or phase sequence change for three phase system.
- h) MCB's/MPCB’S for Heaters, Motors, Compressors.
- i) Overload Trip for Heaters, Motors & Compressors.
- j) Separate over Temperature Cut-off for Heaters.
- k) Heater Power supply: 3/N/PE AC 380/400V ±10%, 50Hz
BASIC OF DESIGN
| MODEL | SIZE (MM) W D H | LTRS | RATING |
| NSW-152- AC -1 | 455 x 455 x 710 | 147 | 4.0 KW |
| NSW-152- AC -2 | 600 x 550 x 750 | 250 | 4.0 KW |
| NSW-152- AC-3 | 605 x 605 x 910 | 335 | 5.0 KW |
| NSW-152- AC -4 | 600 x 600 x 1200 | 450 | 5.0 KW |
| NSW-152-AC-5 | 600 x 650 x 1350 | 540 | 5.0 KW |
| NSW-152- AC -6 | 750 x 800 x 1000 | 600 | 6.0 KW |
| NSW-152- AC -7 | 800 x 800 x 1200 | 800 | 6.0 KW |
| NSW-152-AC-8 | 950 x 1000 x 1000 | 950 | 7.0 KW |
| NSW-152 AC-9 | 1000 x 1000 x 1000 | 1000 | 7.0 KW |
| NSW-152- AC-10 | 800 x 800 x 1800 | 1210 | 7.0 KW |
| NSW-152- AC-11 | 1000 x 1000 x 1300 | 1300 | 7.0 KW |
| NSW-152-AC-12 | 1000 x 1000 x 1500 | 1500 | 7.0 KW |
| NSW-152-AC-13 | 1600 x 800 x 1570 | 2000 | 7.0 KW |
| Brand | NSW INDIA | ||
| Temperature range | -30/-40/-70°C/-80°C /-90°C to +120°C /+150°C +180°C/+200°C//+250°C | ||
| Rate of Heating | 1°C/min to 15°C/min | ||
| Rate of Cooling | 1°C/min to 15°C/min | ||
| Altitude Simulation Range | Sea Level to 20 km equivalent altitude | ||
| Pressure Display Resolution | 0.1 mbar | ||
| Chamber Leak Rate | Less than 1 mbar/hour | ||
| Temperature Control Resolution | 1°C | ||
| Temperature Tolerance | ±1°C | ||
| Humidity Range | 20% to 98% RH (if applicable) | ||
| Internal Finish | SS304 Mirror Finish | ||
| External Finish | Mild steel with powder coating | ||
| Door Type | Airtight | ||
| Door Gasket | Ozone-resistant Silicone Gasket | ||
| Viewing Window | yes | ||
| Fan Type | Ozone-resistant Axial Fan | ||
| Sensor Accuracy | ±2% FS | ||
| Controller | PLC with Analog Inputs and Digital Outputs | ||
| HMI | 7" Touch Screen | ||
| HMI Functions | Set Point Entry, Alarm Display, History Log | ||
| Electrical Panel Protection | MCBs, ELCBs, Surge Protection | ||
| Safety Features | Emergency Stop,, Interlocked Door Switch | ||
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PRODUCT REVIEWS
We just wanted to let you know how impressed we've been with your assistance in the selection, purchasing process right through the manufacturing of the recent equipment we purchased from your company.
George Watson
The oven has arrived in one piece and that's good, even better we've positioned, wired, plumbed and gave her a test spin this afternoon and all looks good.
Mark T.
We are very impressed with their high precision temperature controlled equipment and wish them a very bright future ahead. We received best quality Industrial Ovens and Furnaces from their Company.
Adam R. Rollins.
