Material of Construction:
Inner chamber: Stainless steel SS 304 / 316.
Inner & outer doors sealed with silicone sponge rubber gaskets.
Outer body: Mild steel powder coated or full stainless GMP model.
Insulation:
Typical PUF or glass wool insulation (70 mm, 80 mm thick) to reduce thermal loss.
Door:
Heavy door with magnetic seal.
Glass view-window or acrylic inner door allows sample observation without opening.
Shelves/Trays:
Removable, adjustable stainless steel perforated shelves/trays.
Sample Access/Ports:
Some models have port-holes for inserting sensors/thermometers (Optional).
Observation Window & Lighting:
Allows viewing samples without opening the door, reducing disturbance.
Heating:
“U-shaped” tubular heaters or Nichrome wires embedded in airflow path.
Cooling:
Hermetically sealed compressor with CFC-free refrigerant for sub-ambient operation.
Refrigerant: R-134a.
Air Circulation:
Fan or blower, forced convection, duct distribution or motorized blower ensures even temperature distribution.
Temperature Range:
5 °C to 50 °C.
Accuracy: ±0.2 °C to ±1.0 °C.
Uniformity: Variation across the chamber often ±2 °C.
Controller:
Digital display with set value (SV) and process value (PV). Sensor often PT100 type. Microprocessor or PLC-based HMI Controller.
Sensor:
PT100 temperature sensor.
Alarms:
Over-temperature, under-temperature, door-open, power failure, deviation alarms (Optional).
Data Interface:
RS-232 or RS-485 interface, USB/data logging, printer, PC connectivity (Optional).
Security:
Password protection, optional biometric/door access. Optional features: GSM/Mobile alert system.
(AN ISO 9001:2015 CO. WHO-GMP COMPLIANCE, CE) (ISO13485:2016 , ASHRAE -110, MSME)
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