Contech Instruments Limited
Andheri East, Mumbai, Maharashtra
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Optical Instruments

We are one of the leading manufacturer, supplier, exporter & service provider of Optical Instruments. Our other products includes X-Ray Fluorescence Spectrometers, Weighing Indicators and many more.

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Polarimeter is an instrument used for determining optical rotation of substances. It is also used for measuring specific rotation, concentration & international sugar scale of optically active substances. Polarimeter is ideal for pharmaceutical, food and beverages, sugar, cosmetics, oil refinery, chemical industries & also scientific research studies.

Contech Digital Polarimeter is a fully automatic instrument and eliminates the need for manual adjustments thus offering a high degree of measurement precision.

The polarized light after passing through the sample falling on the analyzer deviates from the optical zero position to the extent of optical rotation of the sample and the photomultiplier detector will produce an electrical signal with the frequency corresponding to the optical rotation of the sample. This signal after passing through the selective frequency circuit and power amplifier drives the servo-motor & in turn the analyzer until the optical zero position is regained. The analyzer rotation is measured by an encoder and is displayed on the digital readout as the optical rotation of the sample.

Features:

  • Measures optical rotation, specific rotation, concentration and sugar content
  • Based on Optical Null principle
  • Multiple readings and calculation of average value and standard deviation
  • Measurement of dark samples upto 1% transmittance due to adjustment of high voltage supply to the detector in accordance with the darkness of sample
  • RS- 232 interface
  • Large backlite LCD display
  • Various types of sample tubes,
  • Sample tube length: 100 mm or 200 mm

Specifications:

  • Light source: Monochromatic Sodium Lamp
  • Wave length: 589 . 44 nm
  • Modulator: Faraday magneto optical modular
  • Measuring Range Optical Rotation : -450 - +450
  • International Sugar Scale: - 1200 - + 1200 Z
  • Accuracy Optical Rotation: +/ - (0 . 010 + measuring value x 0 . 05 %)
  • International Sugar Scale: +/ - (0 . 030Z + measuring value x 0 . 05 % Z)
  • Minimum transmittance of sample: 1 %
  • Power Supply: 230 V, +/ - 10 % AC, 50/ 60 Hz
  • Dimensions: 600 mm x 320 mm x 240 mm
  • Weight: 30 kg


Additional Information:
  • Pay Mode Terms: L/C (Letter of Credit),T/T (Bank Transfer),Other
  • Port of Dispatch: JNPT Navi Mumbai
  • Production Capacity: 50
  • Delivery Time: 5-6 weeks
  • Packaging Details: Export Quality Packing
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Being quality the foremost concern organization, we put forth the best Digital Abbe Refractometers. Based on advanced technology, these products are in compliance with the defined parameters of the industry. Furthermore, keeping in mind divergent demands of the clients, we offer these products in variegated specifications.

Features:

  • Measurement of refractive index of transparent, translucent liquids and solid substances
  • Measurement of percentage of solids in sugar solution (brix)
  • Automatic temperature correction of brix
  • RS- 232 Interface
  • Back lit LCD
  • Prism made of hard glass

Specifications:

  • Measuring range: Refractive Index D: 1 . 3000 to 1 . 7000
  • Brix: 0 to 95 %
  • Brix - TC: 0 to 95 %
  • Accuracy: Refractive Index nD: +/ - 0 . 0002
  • Brix: +/ - 0 . 1 %
  • Range of temperature display: 0 to 500
  • Range of temperature for correction of brix value: 15 to 450
  • Power Supply: 220 V +/ - 10 %, 50 Hz
  • Dimension: 330 x 180 x 380 mm
  • Weight: 10 kg


Additional Information:
  • Pay Mode Terms: L/C (Letter of Credit),T/T (Bank Transfer),Other
  • Port of Dispatch: JNPT Navi Mumbai
  • Production Capacity: 50
  • Delivery Time: 5-6 weeks
  • Packaging Details: Export Quality Packing
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Our valued clients can avail from us a remarkable Digital Melting Point Apparatus. Hence an ideal tool for the quality control of medicines, perfumes, dyestuff and other organic crystalline substances. Products that we offer are developed with latest advanced technology keeping in mind established quality parameters of the industry. These products measure the melting point of a substance such as the temperature at which the state of the substance changes from solid to liquid.

Features:

  • Photo electric detection
  • Large backlit LCD display
  • RS- 232 Interface
  • Measurement of 3 samples simultaneously
  • Display of initial and final melting points
  • Calculation of average value of initial and final melting points
  • Platinum resistor sensor for the precise temperature measurement
  • Capillary sample tube as stipulated by pharmacopoeia

Specifications:

  • Measuring range of melting point: Ambient to 300 °C
  • Resolution: 0 . 1 °C
  • Rate of heating(°C/ min): 0 . 2, 0 . 5, 1, 1 . 5, 23, 4, 5
  • Accuracy: +/- 0 . 5 °C up to 200 °C, +/ - 0 . 8 °C from 200 °C to 300 °C
  • Heating time (50 to 300 °C): 3 mins
  • Cooling time ( 300 to 50 °C): 5 mins
  • Capillary sample tube size: OD 1 . 4 mm, ID 1 mm
  • Power Supply: 220 V +/ - 10 %, 50 Hz, 100 Watt
  • Dimensions : 400 x 280 x 210 mm
  • Weight: 12 . 5 kg


Additional Information:
  • Pay Mode Terms: L/C (Letter of Credit),T/T (Bank Transfer),Other
  • Port of Dispatch: JNPT Navi Mumbai
  • Production Capacity: 50
  • Delivery Time: 5-6 weeks
  • Packaging Details: Export Quality Packing
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Contech Instruments Limited

V.n. Holla (Director)
207, So Lucky Corner, Opposite Popular Car Bazar Chakala, Andheri East
Mumbai - 400097
Maharashtra, India
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