Tender For Supply, Installation And Commissioning Of Laboratory Equipments At Dibrugarh University. 1. REFRIGERATED CENTRIFUGE Speed: 15000 RPM / 22388 g RCF Microprocessor based system which can detects rotor automatically and sets maximum RCF on its own Refrigeration temperature range: – 10 °C to 40 °C Stainless steel corrosion free easy to clean round edged rotor chamber. Large backlit LCD Digital display with brushless DC motor Speed setting: 500-15000 RPM Max capacity: 4 x 100ml, Rotor Capacity: 24 x 2ml& 4 x 100ml Time setting: 30 secs to 999 mins & infinite mode Instrument is versatile, comes with detachable portable compressor unit which can be removed and machine can be used as a non-refrigerated centrifuge as & when needed. Lid Lock Safety &Imbalance detection feature with auto-cut off safety: YES Adjustable Ramp & Brake: Yes (selection from 1 to 9) Built-in condensation drain 9 acceleration mode and 9 deceleration modes for highly sensitive samples 99 user programs with 4 lines programming in each One touch RPM/RCF conversion & short spin operation option on the keyboard Select from 15 optional swing out and fixed angle rotors Intuitive interface with last run memory feature Lid-lock safety feature opens the lid automatically after every run. Power: 230 V 44x2ml fixed angle Rotor provided 4 x 100ml Rotor provided Warranty one year from the date of installation. 2. VERTICAL ELECTROPHORESIS AND POWER SUPPLY Mini gel tank can accommodate up to two gels per run. The unique tank design enables convenient side by side loading and enhanced viewing during use, forward facing wells for faster and easy loading Run should complete within approximately 35minutes. The unit should contain, gel runner tank, 2 caster units, tank base, tank lid, gel knife, power supply adapters. Stronger glass plates with 5X more strength The caster should capable to be placed and stable at 45degree angle for easy gel loading 2X the sample volume No sample spill over White stand for better visualization Unique well design allows increased sample loading capacity. Power-supply specifications Input Power - 230 VAC, 50/60 Hz Fuses - One 4A/250V, one extra fuse is provided Output power in watts ~90 watts Output voltage range 5~250 V Output current range 10 mA~3 A Timer ~99.99 per step Terminal pairs -4 (4 positive voltage and 4 negative voltage) Operating Modes - Constant Voltage 1V step, Constant Current 1 mA step, Constant Power 1 watt step Display type Backlit LCD Graphic type Safety features - No Load Detection,Load Change Detection,Overload Detection,Ground Leak Detection,Auto Restart Program: up to 10 steps Operating temperature 0°C–40°C. Warranty one year from the date of installation. 3. SPECIFICATIONS FOR SPEED-VARIABLE PERISTALTIC PUMP Speed-variable peristaltic pump should adopt high quality closed-loop stepper motor drive with Speed accuracy<±0.2%. Speed range should be 0.1～100rpm with speed accuracy<±0.2%，one channel flow range should be approx. 0.0001～480ml/min. It should have APP software, the pump can be controlled remotely and running status can be monitored in real time. RS485 communication to easier connection with other equipment’s, such as computer, human machine interface and PLC. It should have high-definition lattice LCD display and Industrial mask keypad operation with simple and convenient, high durability. Start/Stop, adjust speed, reversible direction, full speed and state memory (power-down memory) functions. It can set the parameters of running time, interval time and cycle times to meet the requirements of timing, quantitative, liquid dispensing and flow testing. It should have slow speed stop and suction function, which can effectively prevent the dropping of liquid when the machine stops. It should have Keypad locked function to prevent mis-operation. It should have streamline injection moulding shell design, simple and easy to clean. It should be dust-proof and moisture-proof. It should be able to match various high performance pump head, realize different pump head and drive combination. Pump should be CE certified. External Control Function-Powerful external control function, Support 5～24V wide voltage input, RS485 interface, MODBUS communication protocol Flow range：0.0001～480ml/min Speed range：0.1～100rpm Speed resolution：0.1 rpm Speed accuracy：<±0.2% Keypad locked: Long press direction keypad to lock, long press start and stop key to unlock. Timing function: Timing running time 0.1-999 S/Min/H/Dinterval time-0.1 -999 S/Min/H/D. Cycle times：0～999（0 Infinite cycle) Back Suction angle：0～720° External control signal inputStart /Stop: passive contact, external control input level 5-24V. Reversible direction: passive contact, external control input level 5-24V. Adjust speed：Analog quantity 0-5V, 0-10V, 4-20mA can set. External control signal output：Start /Stop ： level signal (following input voltage). Reversible direction ： level signal (following input voltage). Speed state- analog quantity 0-5V. Power supply: AC100～240V, 50Hz/60Hz. Power consumption：<30W Working environment: Temperature 0～40℃, relative humidity <80% IP Grade：IP31 Drive weight：2.9 kg approx. Accompany with Single pump head with 0.006～380 ml/min)Per channel flow rate and at least 3 channels with 0.00016～49 ml/ min flow rate Complete accessories like pump head, power code, and silicon tubing must be provided for the full functioning of the peristaltic pump Warranty-1 year from date of installation
