India’s Largest Manufacturer and Exporter of Magnet based high precision electronic balances.

 
 

Contech Instruments Ltd.
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Company was awarded
ISO 9001 : 2008,
ISO 14001:2004,
OHSAS 18001:2007
From
UKAS
Management Systems in
the year 2014.
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Contech Instruments Ltd.

is a leading manufacturer and exporter of high precision Electronic Balance that has for the past few years provided the industry with quality products like electronic balances, weighing machines
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POLARIMETER

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.
 

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  DIGITAL POLARIMETER CDP - 001

  Manufacturer Supplier  and Exporters

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.
RS-232 interface.
Large backlite LCD display.
Various types of sample tubes, Sample tube length : 100 mm or 200 mm

 

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Specifications

Light source :                                        Infrared LED
Wave length :                                       589.44nm
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 :                +(0.030 Z+ measuring value x 0.05%Z)
Minimum transmittance of sample :    1%
Power Supply :                                   230V, +10% AC, 50/60 Hz
Dimensions :                                       600mmx320mmx240mm
Weight :                                             30kg
 

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  DIGITAL ABBE REFRACTOMETERS    MODEL : CAR-02

Abbe Refractometers measure the refractive index (nD) of transparent, translucent liquids and solid substances. It is also used to measure percentage of solids (brix) of sugar solutions as well as temperature compensated brix values.
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.
Backlite LCD.
Prism made of hard glass

 
 

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Specifications


Measuring Range                                                                :      Refractive Index nD : 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 50 o
Range of temperature for correction of Brix value     :    15 to 45 o
Power Supply                                                                         :    220 V +/-10%, 50Hz
Dimension                                                                              :    330x180x380mm
Weight                                                                                    :     10 kg     
 

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  DIGITAL MELTING POINT APPARATUS  Model : CDMP-300


Melting Point Apparatus measures the melting point of a substance i.e. the temperature at which the state of the substance changes from solid to liquid. The actual melting point is an indication of the purity of a substance and hence an ideal tool for the quality control of medicines, perfumes, dyestuff and other organic crystalline substances. 

 
Photo Electric detection.
Large Backlite 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

 

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Specifications

Measuring Range of Melting point       :           Ambient to 300oC
Resolution                                                  :           0.1oC
Rate of heating(oC/min)                         :           0.2,0.5, 1, 1.5, 2 3, 4, 5
Accuracy                                                     :          +0.5oC upto200 oC, +0.8 oC from 200 oC to  300 oC
Heating time (50 to 300oC)                    :          3 mins
Cooling time( 300 to 50oC)                     :          5 mins
Capillary sample tube size                      :          OD 1.4mm, ID 1mm
Power Supply                                              :         220 V +/-10%, 50Hz, 100 Watt
Dimensions                                                 :          400 x 280 x 210 mm
Weight                                                          :         12.5 kg
 

 
 
 

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