Rudolph Research

J 157 Series Digital Refractometer with Temperature Control (Adjustment from 15 up to 50 °C)

Rudolph refractometers provide excellent measurement of refractive index and concentrations of liquid, gel and fluid derivatives used in all sectors, particularly in the pharmaceutical, food, cosmetic and petrochemical industries. It offers the possibility of easy model selection according to sensitivity, temperature range and methods to be worked.

The Main Sectors

  • Universities (Research Laboratories)
  • Food industry (sugar industry, olive oil, honey and fruit juice producers. Purity determination of water-soluble dry matter determination)
  • Chemical industry (determination of refractive index and refractive index)
  • Pharmaceutical industry (quality control of raw materials and final products)
  • Cosmetic industry (determination of the concentration and the amount of the substance)
  • Oil industry (oil ratios , to measure concentrations)
  • Agriculture Industry (determination of the amount of solid material in liquid material)

J157-HA-EP

  • Measuring range: 1.29 - 1.66 RL, 0-100 PRIX, 1.0000 - 1.0400 Ukraine SG 
  • Accuracy(accuracy): ±0.0001, RI, ±0.1 PRIX
  • Resolution(Resolution): ±0.0001, RI, ±0.1 PRIX 
  • Reproducibility(Repeatability): ±0.0001, RI, ±0.1 PRIX 
  • Measurement wavelength: 589.3 nm,
  • Temperature control: 10⁰C - 85⁰C Temperature range for validation: 4⁰C - 95⁰C 
  • The temperature of the sample Limit: -20⁰C with 250⁰C
  • Windows 7 operating system, touch screen (8"), USB (3 ad), one Ethernet port and RS232 port, 8 GB storage and with calibration certificate

J157-WR-EP

  • Measuring range: 1.29 - 1.66 RI, 0-100 PRIX, 1.0000 - 1.0400 Urine SG 
  • Accuracy (accuracy): ±0.00001 RI, ±0.1 PRIX
  • Resolution (Resolution): ±0.0001, RI, ±0.1 PRIX 
  • Reproducibility(Repeatability): ±0.0001, RI, ±0.1 PRIX 
  • Measurement wavelength: 589.3 nm, Dual temperature control with cover and prism
  • Temperature control: 10⁰C - 65⁰C, Validation Temperature Range: 4⁰C - 95⁰C 
  • The temperature of the sample Limit: -20⁰C with 250⁰C
  • The amulet operating system, touch screen (8"), USB (3 ad), one Ethernet port and RS232 port, 8 GB storage and with calibration certificate


 

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