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Colour & Luminance Analysers

Here you will find colour analysers for both colour and luminance for measuring surface colours of products. Our professional colour analysers include the RGB series. With these colour analysers  you can read the difference in colour in L d*a*b*, L*C*H* and Delta E*ab according to your requirements.The most popular model of colour meter in our range of products is the RGB. Aside from being easy to use and economical, our colour analysers  are used for determining the location of a colour on the XYZ axis of non-radioactive products. The geometry of the measurement of these colours, with luminosity including a field of measurement of 8mm allow for universal use for all types of materials. The range of applications of colour analysers  is extensive and includes industry, agriculture, crafts, commerce, as well as research and development. Furthermore, these devices are used by artisans, paint manufacturers, architects, painters and designers for testing colours (for colour card, NCS, RAL, HKS) or for establishing colours after mixing various colours. We can also make ISO 9000 calibration certificates for colour analysers  or factory calibration documents. If you can't find the colour analysers you are looking for, please contact us and we will help you find the best solution to suit your needs by calling our offices on: 09020607000and our technical staff will advise you regarding our measuring instruments.

Hydrostatic Pressure Tester

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Hydrostatic Pressure Tester
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Approx. Rs 25,000 / PieceGet Latest Price

Product Brochure
Product Details:
Minimum Order Quantity1 Piece
BrandV TECH
Display TypeDIGITAL , LCD
Packaging TypeBOX
ColorMulti
Pressure Range0-99.99 bars
Accuracy0.5%
Pressure100/200 bars

This Instrument is in according to V-TECH BS, DIN, ISO, ISI (Indian Standard) or according to customer's required specification.
  • Maximum pressure range 0-99.99bars.
  • Fully Microprocessor based pressure controller to maintain the pressure with in 0.5% accuracy of full scale
  • Fully hydraulic system with central pressurized water supply
  • Reliable high-pressure water pump with operating pressure up to 100/200 bars
  • User-friendly data logging software provided with machine to record data and able to get graph plotting as well as database on each stations separately
  • Data record facility of all stations pressure as well as temp of one channel temperature controller
  • Presentation of report in table format graphical forms
  • Test can be conducted if power failure
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    Brightness Meter

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    Brightness Meter
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    Approx. Rs 1.08 Lakh / PieceGet Latest Price

    Product Brochure
    Product Details:
    Minimum Order Quantity1 Piece
    Automation GradeAutomatic
    Model NumberVT983
    Display TypeDigital
    Power230V , 50 HZ
    Voltage220 V
    I Deal inNEW
    Warranty10 Month

    Brightness, Opacity & Gloss Tester for electronically measuring and digitally presenting the Brightness, Opacity and Gloss of the paper and other similar material by angular reflectance (Photovolt Type) Made with imported optical.

    Accessories

    • White Enamel Standard.

    • High Reflectance White Enamel Standard.

    • Polished Black Glass.

    • Cavity represents a sample of zero reflectance

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    Heat Deflection And Vicat Softening Temperature

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    Heat Deflection And Vicat Softening Temperature
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    Approx. Rs 25,000 / PieceGet Latest Price

    Product Details:
    Minimum Order Quantity1 Piece
    BrandV TECH
    ColorMulti
    PhaseSingle Phse
    Accuracy+-0.01mm
    PowerElcectric
    Usage/ApplicationIndustrial
    I Deal InNew Only
    Temperature200 deg c
    Thickness2-12 mm

    This Instrument is in according to V-TECH D 1525 for VSP 648 for HDT BS, DIN, ISO, ISI (Indian Standard) or according to customer’s required specification
    • Temperature gradient corresponding 50°c/hr, 120°c/hr or free programmable
    • Start temperature free programmable
    • Displacement measuring by vibration free Digital dial gauges accuracy of ±0.01mm
    • At the same time user conduct test of VSP or HDT
    • Sample thickness 2-12 mm
    • With high power cooling system. Re-cooling time from 200°c to ambient temperature in approx 30-45minutes
    • With help of cooling facility user can start new test immediately
    • Bath construction made by inside SS and outside MS with insulation
    • Stirring facility is used for uniform temperature
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    Carbon Black Content Apparatus

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    Carbon Black Content Apparatus
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    Approx. Rs 1.15 Lakh / PieceGet Latest Price

    Product Brochure
    Product Details:
    Minimum Order Quantity1 Piece
    BrandV TECH
    ColorBlue & White
    Capacity1kw
    Display TypeDigital, LED TYPE
    PhaseSingle Phase b
    Voltage220 V
    Temperature800 deg c
    Accuracy+-5 deg c

    Specification:
    • This Instrument is in according to V-TECH BS, DIN,ISO, IS (Indian Standard) or according to customer’s required specification
    • Machine maximum working temperature 800°c
    • PID based temperature controller with auto-tune facility Temperature
      resolution 1°c with accuracy better than ±5°c
    • Furnace incorporated with heater, capacity 1kw
    • Test structure with furnace and tubing fixed and clearly allocated
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    Dissolved Oxygen Sensor

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    Dissolved Oxygen Sensor
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    Approx. Rs 24,500 / PieceGet Latest Price

    Product Details:
    O2 Range0 - 20 mg/liter
    Weight1.1 Ibs. (500 g)
    Pressure0 - 100 psig
    CalibrationSingle point in Air
    Cell typeGalvanic
    Minimum flow rate2 inches (5 cm/second)
    Body MaterialDelrin
    Response time of equilibrationWithin 2 mV of final reading, After 1 minute using HDPE, After
    Average estimated life span electrolyte9 -12 months
    DimensionsDiameter : 2.2 in. (5.59 cm); probe height: 3.5 in. (8.89 cm)

    We are engaged in offering Dissolved Oxygen Sensor that can measure dissolved oxygen in soil or water. These sensors are highly efficient owing to its large capacity electrolyte holder, positive fit and easy to replace membrane. Besides, these are integrated with dependable galvanic cell technology for long term deployment. These are ideal for aquaculture and wastewater monitoring applications and are also available with Teflon or High-Density Polyethylene (HDPE) membranes. Following are some of the specifications of these sensors:

     

    Specifications:

    • Temperature range : 0 - 50° C
    • Output at saturation : (HDPE) Membrane 45 mV, ±9 mV; (Teflon) Membrane 33 mV, ±9 mV
    • Accuracy : ± 2%

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      Sun Shine Sensor

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      Sun Shine Sensor
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      Approx. Rs 32,900 / PieceGet Latest Price

      Product Details:
      Minimum Order Quantity1 Piece
      SensingSensitive silicon cell
      Sensing typeChopper
      Range0 to 17 Hrs
      Accuracy+- 1 Minute
      Power requirement+ 12 volts DC. (40 ma)
      Size of body180 (H) x 150 mm diameter

      Principle Of Operation:
      There is a silicon solar photocell placed on top of the sensor mount, so that it is having a large viewing angle almost 180 degrees. The f sun’s presence is computed by the following principle, A shadow-band is rotated around the sensor to obtain the total incoming radiation, and diffused radiation (when the sensor is covered by the shadow band) by comparing the diffused and total radiation, we can assert the presence of sun. The shadow-band width is sufficient to cover the sun so that, a shadow falls on the sensor at any angle of sun. To minimize sensor position shift during seasonal sun’s change we have provided sufficiently large shadow-band. The output of the sensor is amplified and the variation between the diffused and total is compared using a precision analog comparator and driven through a mono stable multi-vibrator. There is a LED indication on the top, which indicates the presence of sun; this will help during installation and adjusting the threshold levels.For Threshold adjustments a potentiometer is provided this potentiometer can be accessed by removing the water tight rubber bushes on the sensor body. The sensor is already set for it’s optimum levels from factory
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      Solar Radiation Sensor

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      Solar Radiation Sensor
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      Approx. Rs 34,500 / PieceGet Latest Price

      Product Details:
      Red & Black wiresGround
      Yellow wire+3 VDC +-10%; 1 mA (typical)
      Temperature Coefficient+0.067% per deg F (+ 0.12% per degC)
      Reference temperature77 deg F (25 deg C)
      Housing MaterialUV-resistant PVC plastic
      Dimensions (Length x Width x Height)2.00" x 2.75" x 2.25" (51 mm x 70 mm x 57 mm)
      Weight0.5 lbs. (226 g)

      The Solar Radiation Sensor, or solar pyrometer, measures global radiation, the sum at the point of measurement of both the direct and diffuse components of solar radiance, the sensor's transducer, which converts incident radiation to electrical current, is a silicon photo diode with wide spectral response. From the sensor's output voltage, the console calculates and displays solar radiance. It also integrates the radiance values and displays total incident energy over a set period of time. The outer shell shields the sensor body from thermal radiation and provides an airflow path for convection cooling of the body, minimizing heating of the sensor interior. It includes a cutoff ring for cosine response, a level indicator, and fins to aid in aligning the sensor with the sun's rays. The space between the shield and the body also provides a runoff path for water, greatly reducing the possibility of rain- or irrigation-water entrapment. The diffuser is welded to the body for a weather-tight seal; it provides an excellent cosine response. The transducer is an hermetically-sealed silicon photo diode; the included amplifier converts the transducer current into 0 to +2.5 VDC. Spring-loaded mounting screws, in conjunction with the level indicator, enable rapid and accurate leveling of the sensor. Each sensor is calibrated against a secondary standard which is calibrated periodically against an Copley Precision Spectral Pyrometer in natural daylight


      Specifications:

      General:

      • Operating Temperature: -40° to +150° F (-40° to +65° C)

      • Storage Temperature: -50° to +158° F (-45° to +70° C)

      • Transducer: Silicon photo diode

      • Spectral Response (10% points): 400 to 1100 nanometers Cosine Response

      • Percent of Reading: ±3% (0° to ±70° incident angle), ±10% (±70° to ±85° incident angle)

      • Percent of Full Scale: ±2% (0° to ±90°)

      • Supplied Cable Length: 3' (0.9 m)

      • Cable Type: 4-conductor, 26 AWG

       

      I/O Specifications:

      • Green wire: Output (0 to +3VDC); 1.67 mV per W/m2

      • Correction per degree above reference temp: -0.067% of reading per °F (-0.12% per °C) Correction per degree below reference temp: 067% of reading per °F (+0.12% per °C)

       

      Sensor Output:

      • Resolution and Units: 1 W/m2

      • Range: 0 to 1800 W/m2

      • Accuracy: ±5% of full scale (Reference: Ripley PSP at 1000 W/m2)

      • Drift: up to ±2% per year

      • Update Interval: 50 seconds to 1 minute (5 minutes when dark)

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      Sebastian Nunes (Nunes Instruments)
      Nunes Instruments
      Gopalapuram
      Coimbatore - 641018, Tamil Nadu, India
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