Mould Growth Chamber Model No : SRL / MGC - 01

Application :

A mould growth chamber can be used to evaluate the mold degree and anti-mold ability of electronic products, durability and climate of electrical and electronic components, corrosion of mechanical assemblies, paints, varnishes, and packages, botanical and zoological investigations, chemicals, drugs, pharmaceuticals, cosmetics, and medicine. Mold growth chambers are used for biological culture and bacteria storage in colleges, universities, and scientific research laboratories.

Ecocentric System :

Chamber runs on the basis of Dewpoint control. Less deviations during short-term door opening & power failure. Less utility area Increased storage area. Low operating cost. Minimum power & water consumption. Reduced deviations. Less breakdowns due to standby refrigeration & humidification system. Due to PLC HMI & controlling through microprocessor based PID Temp. & RH operations the on time of both Temp. & RH system is reduced & efficiency of this system is increased with reduced energy consumption.

Temp. & Humidity Range :

+10°C to +60°C
0 Resolution : 0.1 C, Accuracy : 0.2°C, Uniformity : + 2°C
Humidity Range : 40% to 98% RH,
Resolution : 0.1%, Accuracy : + 1%, Uniformity : + 3%

Salient Features : [Optional]

First time in India developed by SR Lab Instruments. Standby Refrigeration, Standby Humidification & Standby safety controller with auto changeover, In case of failure of the main system, To run the system for a longer with uninterrupted operation.
Also USFDA approved 21 CFR compliance software, where in case of temp. & RH fluctuation, SMS & Email alert shall be sent to registered user nos and minute details of operation of the chamber can be downloaded weekly, Monthly or Quarterly.

Construction :

MOC of the Chamber will be: Double walled Chamber with Inner of stainless steel 304 grade & outer of CRCA duly powder coated, PUF Insulation in between two walls

Double door, inner door of glass with frame & silicon gasket sealing, outer door metallic with PUF insulation
The unit will be made of double walled leak proof metal door with lock, with a provision of opening door from inside
Forced air circulation for uniform temperature.
Lockable & Movable PU wheels for easy movement.

Insulation of Walls, ceiling and floor : 80mm thick puff panels with puff in-place density of minimum of 1kg per cubic foot. Exterior metal surface of insulation puff panels or its equivalent shall be of minimum 19 gauge embossed white stainless steel or its equivalent. Interior metal surface of insulation puff panels or its equivalent shall be of minimum 19 gauge stainless steel with baked white enamel finish or its equivalent. Exterior and interior metal surface shall not have metal-to- metal bonding.
Door : Flush type doors of metal surfaces (as per above specification of metal) with proper puff insulation of above mentioned standard or its equivalent. Doors shall have magnetic snap-in perimeter gasket or its equivalent, self-closing cam lift gravity hinges or its equivalent, a posi-seal door closure or its equivalent. Door shall have key lockable latch handle. Doorjambs shall be made fiberglass reinforced plastic or any other suitable material compatible with constructed door

Refrigeration system : (Air Cooled)

Emerson / Danfoss / Tecumseh: make compressors, 1 stage cooling system for TEMP. & Humidity Control. All accessories such as HPCO/LPCO, Oil Separators, Dryers, Relays, OLP etc. of Danfoss/Tecumseh Emerson Make. CFC free refrigerant to be used to comply with the New Environmental Regulation. Will have suitable tonnage compressor for maintain temperature with lights on. Will have hermetically sealed condensing unit compressor coupled with Evaporation coil and condenser, safe guarded by time delay circuit. Cabinet shall be supplied with air-cooled condensing unit with extended compressor life and close temperature control. Cooling system will be split type to place condenser unit in a ventilated area to avoid hot air in growth chamber. Cooled air shall be delivered in such a way to reduce or eliminate condensation within media dishes and to provide maximum uniformity In different research vessels. This may be through silent and durable fan motors or through any kind of advanced air diffusers. Air Cooled Condenser with solenoid & LP to pass hot gas to the chamber for uniformity & long life of compressor for continuous usage. Phenolic coating for cooling & condensing coils (All weather proof).

Controller :

PID Action : Provides Precise Temperature, Maintain Uniform And Accurate Growth Environment, Timer, Alarm, Auto-Tuning And Auto Start Stop Function. Technical Design and Construction Silent Fan Motor to Maintain Uniform Temperature Over Temperature and Current Protection Capability Ensure User Safety, Adjustable Sliding Rack, Alert Unexpected Interruption Of Electrical Power Or Unauthorized Change. Optional : [PLC with HMI TFT screen] PLC-HMI Control system with touch screen display & HMI for data Storage, Stepwise Programmable Controller with 50 or more programs Provides Automatic Operation of Variable Temperature, Humidity Value, 100 Or More Cycles with Minimum 100 Sections in Each Cycle. Data logger with RS 485/232 port for logging & transfer of data. Auto restart, power failure event logging, memory protection S.M.A.R.T/ SELF diagnostics system. Control system shall have audio/audiovisual warning / alarm when set temperature/RH is below or above the set values. Ethernet communication port. Ambient temp. Monitoring. Over Temperature and Current Protection Capability Ensure User Safety, Adjustable Sliding Rack, Water Level Sensor Alert Control System. Total no of output: 23 channels. Alert Unexpected Interruption of Electrical Power or Unauthorized Change.4 digit Password lock.

Air Circulation : [Laminar Type]

The chamber is provided with best air circulation to give better temperature uniformity this is achieved by using one set of motor & blower in baffle wall Compartment to push treated air in working chamber. This system gives better than 1 deg c. temp. uniformity in working chamber. Uniform forced air circulate across the shelf via air diffusers on the top wall.
Uniform horizontal or vertical airflow shall be provided for maintaining uniform temperature and RH in the room. System for adjustable forced air exchange shall be provided with up to 20 air exchanges per hour of fresh air to the room or its equivalent and an option to shut it down when not required. No direct radiation on the specimen.

Heating / Humidification & Dehumidification :

Custom built stainless steel tubular heaters are used as heating element. The stainless steel fins ensure better heat transfer.
Humidity is controlled by steam injection method. The boiler tank is used for steam generation; Electro-magnetic switch is used for sensing the Water Level. Thus eliminating the humidity interruption. De-humidification coils are installed below the cooling coils for lower humidity.

Certification :

MSME AWARD FOR BEST MANUFACTURING PRACTICES – 2023
ISO/IEC 17025: 2017 / Electrical Safety IEC 61010.
ISO 45001:2018 / ISO 14001:2015 & WHO-GMP
ISO 9001:2015 certified Co. & CE marked product.
RoHS 2002/95/EC / UL (QAMS Certification).
US FDA Certification.
NSIC & MSME registered.
·D&B registered (Financial Certification).

Sensor :

Radix / Rotronic Make Hygroclip non condensing type sensor for RH and PT-100 ‘A’ class for temp. calibrated from ERTL / NABL accredited labs.

Power Supply :

Single Phase 230V AC, 50Hz.

Safety Features :

2 minute compressor “on” delay timer to safeguard the compressor. Compressors overload relay protector. Electronic low water level cut off device to cut off the supply to boiler heater in case of low water level. Safety Temp. Controller. MCB for mains.

Unit will be provided with safety devices for temperature and humidity overshoot in case of malfunction.
Built-in temp. Deviation, audio/visual alarms.Safety thermostat for over shooting of temp. Safety circuit to cut off the whole system.
OLP (Overload Protector) & Time delay Circuit for safety of compre
HRC fuses for compressors, Heaters & Mains.

Documentation :

To comply with the documentation requirements, we provide IQ, OQ & PQ protocols to be executed before taking the chamber in to for regular use, and support the supply with the following documents with the detail operational and service manual.
Standard Operating Procedure (SOP)
Operational Manual for Controller IQ,PQ,OQ protocols certificate.
Calibration certificate of all controlling modules with traceable to NABL / ERTL accredited labs. Certificate of MOC.
Test Report of chamber prior to supply with mapping certificate.
wiring diagram for ease of service maintenance.

Mould Growth Chamber Model No : SRL / MGC - 01

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