LABORATORY INSTRUMENT

LABORATORY INSTRUMENT

Heating Mantle for 6 sets of Soxhlet apparatus

Hot Air Oven-Digital

Moisture Dish-Aluminum

Silica Crucible Cap 25 ml and 50 ml

Top Loading Monopan Balance Digital

Thermocouple sensor

Digital Hygrometer Bid Number ( ) : GEM/2025/B/6258889 Dated : 21-05-2025 Bid Document 1/17

Bunsen Burner Specifications: - Base Diameter- 3.25 in.

Burner Place Diameter- 1 in.

Height- 5.7 in.

Height with base- 7.25 in.

material- Nickel with flame stabilizer to control flame temperature and length (three spoke bases) for LPG gas. It should give non luminous flame while in use.

Heating Mantle "Size- 1 litre

Thermostatically controlled with indicator "

Heating Mantle for 6 sets of Soxhlet apparatus 1. Individual built-in solid state electronic thermostatically controls enable easy regulation of heater. 2. Three 12.7mm diameter support rods are included. 3. Round bottom flask capacity from 100ml to 500ml at all 6 positions. 4. Top cover is polypropylene and external surfaces are powder coated giving good general chemical resistance. 5. Coiled heating element is suspended within a thermal insulating cartridge to provide maximum heat transfer and support. 6. Earth (ground) screen encloses the heater for added safety. 7. Individual heater cartridges are replaceable. 8. Neon lights indicate when power is on and supplied to heaters and

supplied to stirrers.

Hot Air Oven-Digital Size- 24"x24"x36" or more inner chamber

Temperature range 500C to 3000C or better with accuracy of ±20C. Digital display of temperature. & controller. Suitable for 220 to 240 volt.

Microscope "Compound microscope should have:- 1. Eye piece lens 5X

10X power. 2. Condense lens can be moved up & down. 3. Diaphragm on iris has a rotating disc. 4. Object lens 10x

40X & 100X power. 5. Illuminator- steady source of light in place of mirror/reflector. 6.Mechanical stage should be able to move slide around by turning knobs

one move in left and right and other move it up & down "

Moisture Dish-Aluminum Dia. 7- 8 cm.

depth- 1.5 to 2.0 cm.

Thickness- 0.2 to 0.4 mm.

Silica Crucible Cap- 25 ml & 50 ml. "1. As per BIS specification Type 2 — Medium form

based on a height diameter ratio of 0.8 [see Fig. 1 (b)]. 2. Nominal capacity = approximately 75 percent of overflow capacity. Lids- Type D — A lid of slightly domed shape. 3. Material- Silica crucibles and lid shall be made from vitreous silica

either translucent or transparent. "

Top Loading Monopan Balance - Digital "Minimum weight 0.1 mg. Weight capacity- 200 gm. Calibration in-built. Digital display. Sensitivity ± 0.0001( four decimal place) Minimum weight 0.1 mg. Weight capacity- 200 gm. Calibration in-built. Digital display. Sensitivity ± 0.0001( four decimal place) "

Water bath SS Double layer

12 holes and standard quality with thermal regulator controller.

Weight Box "F1 Grade for calibration of balance "

Thermocouple sensor "Temperature range-0 to 1800 degree celcius. Input sensor-RID

K type Thermocouple LED Display

Power suplly-230volt No of set point-two(configurable for high & low) Resolution-1 degree Celsius "

Vortex Machine Power-32 watt

Shaking movement-orbital

orbital diameter-4 mm

motor type- shaded pole motor

Speed range-0 to 2500 rpm

Dimension(mm)-185×150×165

power supply-220-240volt

Digital Hygrometer "Temperature 20⁰C to 60⁰C Readability 0.1⁰C Temperature Accuracy ±0.5⁰C to ±1.0⁰C Resolution 0.1⁰C Temperature Update Rate 500ms Data Storage Capacity 99points RH-Range 5% to 95% (RH ± 2.5%) Display-Backlit dual display of humidity and temperature Calibration- Certificate Calibration Certificate from ISO17025 for Temperature and Relative Humidity Warranty- 2 years " Bid Details 2/17