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Explosion Flame Proof Thermal Test Chamber

SR Lab Instruments Explosion Flame Proof Thermal Test Chamber

Explosion Flame Proof Thermal Test Chamber
Model No : SRL / EPHCCH-02

Application :

These equipments are used for lithium iron battery test and any other Hazardous material test / storage. Also climatic & durability tests of electrical & electronic components, corrosion test on mechanical assemblies, materials for simulated tropical & extreme tropical conditions.

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 Quarterl

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.

Construction :

MOC of the Chamber will be: Double walled Chamber with Inner of mirror finish 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 o
  • Forced air circulation for uniform temperature.
  • Lockable & Movable PU wheels for easy movement.
Insulation of Walls, ceiling and floor : 120-150mm 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 galvanized steel or its equivalent. Interior metal surface of insulation puff panels or its equivalent shall be of minimum 19 gauge smooth steel with baked white enamel finish or its equivalent. Exterior and interior metal surface shall not have metal-to- metal bonding.
Door:Test chamber door front open double door with handle facility shall be provided. The door shall have large observation window of multiple glazed glass (As per size). 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)

Bitzer / Emerson / Danfoss / Tecumseh:make compressors, 2 stage cooling system with Cascade system for ULTRA LOW TEMP. Range. 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 :[Flame Proof]

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.

Safety Features :

a) Heaters flame proof.
b) Motor flame proof.
c) Refrigeration system isolation from body.
d) Lighting flame proof.e) Control panel isolated from body
f) Butterfly valve operated with automatic exhaust, shall open when temperature rises above 70°C
g) Flame & smoke detection sensors installed inside the walk in chamber. No risk of personal Injury.
h) Fire Extinguisher provided in side the chamber
i) Best Environmental protection by HFCs
j) Unit will be provided with safety devices for temperature and humidity overshoot in case of malfunction.
k) Built-in temp. Deviation, audio/visual alarms. Safety thermostat for over shooting of temp. Safety circuit to cut off the whole system.
l) Interior safety release knob for door.
m) Hooter with switch inside (Alarm).

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 w orking 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 Optional :
To be provided with air flow regulator adjustable 0.2 m/s operated from PLC & HMI.

Temp. Range :

Temp. Range : -80°C to +200°C
Temperature Accuracy : ±0.2°C
Temperature Uniformity : ±2°C
Heating / Cooling Rate : 1°C/min to 5°C/min

Power Supply :

Single Phase 230V AC, 50Hz / Three Phase 440V AC, 50Hz

Chamber Light : [Flame Proof]

Chamber Light is provided for internal illumination water & moisture proof, inside the working chamber.

Shelves :

Stainless Steel 304 quality perforated/rod shelves will be fitted inside the chamber. Adjustable up to 0.5 inch increment / decrement.

Heating System : [Flame Proof]

Imported Encolite heaters up to 3 K.W. Air Heaters are provided for heating above ambient temperatures.

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.

Documentation :

  • MSME AWARD FOR BEST MANUFACTURING PRACTICES –
  • 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).

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