Deep Freezer Model : SRL / ULVF-04-VI
Deep Freezer
Model : SRL / ULVF-04-VI
Application :
Equipment specially designed & suitable for Electronic Industry, Space Programs Research, Research Labs, Defence Labs, Blood Banks, Biological Specimens, Serum, Vaccines, Research Laboratories Medical Specimens, Clinical Samples, Industrial research etc, for testing under extreme low temp. conditions.
Temperature Range :
-50ยฐC to -86ยฐC







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.
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
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.
Controller :
Standard PID : 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 touch screen]
PLC Control system with touch screen display & HMI for data Storage, data logger reading & audit trail, Door access & SMS records, Email alert. Data Logger 1 temp + 1 RH. Data Logger with LCD display window capable to store non volatile data memory up to 5000 readings with audit trail facility complies 21 CFR Part 11. Change over to stand by system automatically as per schedule or on detecting fault with current system Temperature & Humidity overshoot and under shoot protection Mobile Alarm system, Door Access, system setting reset , Graph, SMS, Email alert, etc. In built PC port for connectivity for PC base operation of data management.
Refrigeration system : (Air Cooled)
Standard PID: 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 touch screen]
PLC Control system with touch screen display & HMI for data Storage, data logger reading & audit trail, Door access & SMS records, Email alert. Data Logger 1 temp + 1 RH. Data Logger with LCD display window capable to store non volatile data memory up to 5000 readings with audit trail facility complies 21 CFR Part 11. Change over to stand by system automatically as per schedule or on detecting fault with current system Temperature & Humidity overshoot and under shoot protection Mobile Alarm system, Door Access, system setting reset , Graph, SMS, Email alert, etc. In built PC port for connectivity for PC base operation of data management.
Controller : [PLC with HMI TFT screen]
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
PLC-HMI Control system with touch screen display & HMI for data
Storage, Stepwise Programmable Controller with 10 or more
programs Provides Automatic Operation of Variable Temperature,
Humidity Value, 50 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 :
2 minute compressor โonโ 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.
Certification :
ISO 9001:2015 Certified Co. D&B registered & CE mark product.
ISO 14001:2015 & WHO-GMP
NSIC & MSME registered
Calibration & validation certificates traceable to NABL / ERTL accredited labs.
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 traceability.
Certificate of MOC.
Test Report of chamber prior to supply with mapping certificate. wiring diagram for ease of service maintenance.






