IN-LINE PROCESS
REFRACTOMETER PRM-100
Continuous Concentration Measurement
NEW Wider-than-ever 0.0 to 100.0% Brix range
NEW Options to display readouts to the first or second decimal place
NEW Two-piece construction: detection section and operation display section (power supply included in the operation-display section)
NEW User-scale programmable from a computer (via RS-232C)
NEW Easy-to-read color display panel
·      Automatic Temperature Compensation according to the sample type ensures accurate concentration/Brix display at all times.
·      An alarm output to warn when measurements exceed programmed limits.
·      Continuous monitoring made possible by real-time measurements.
Applications
Food
Brix of soft drinks
Concentration of beverage in the blending stage of syrup and water
Concentration of liquid coffee extracts
Concentration of liquid condiments in the dilution & blending stages
Fermentation level of alcohol
Concentration of sugar wastewater
Industry
Washing liquids – dilution coefficients, the water content, the concentration of        contaminant liquids, and the concentration in the rinsing process
Concentration of cutting oil, lubricants, or release agents in process
Concentrations of IPA, DMF, and hydrogen peroxide solutions
Concentrations of coolants and brine
Polymer concentration during polymerization
Specifications
Measurement range	Refractive index (nD) 1.32000 to 1.55700 Brix 0.00 to 100.00%
Minimum indication	Refractive index (nD) 0.0001 or 0.00001 Brix 0.1% or Brix 0.01% (by selection)
Measurement accuracy	Refractive index (nD) +/-0.00010, Brix +/-0.05%
Measurement temperature	5 to 100๐C (Clean-in-process (CIP) up to 130๐C for no more than 30 minutes)
High and low limit settings	High and low control limits can be set by the keys.
Display items	Refractive index (nD), Brix, concentration (%), temperature (๐C)
Output items	Either refractive index (nD), Brix or concentration (%), and temperature (๐C)
Output method	RS-232C, DC4 to 20mA
Alarm output	Open-collector output for high and low limit settings (alarm output)
Power supply	AC100 to 240V, 50/60Hz
Cable	Detection section – operation display section (power supply 12V and RS-485) Length: standard 15m (maximum up to 200m)
Material	Prism: Sapphire
Light source	LED (D line approximation)
Pressure resistance	1.0MPa (detection section)
Relative humidity	5 to 40๐C, 30 to 90%RH
International protection class	Detection section IP66, Calculation Display section IP65
Dimensions and weight	Detection section                 : 12.8 x 26.6 x 12.8 cm, 3.3 kg Calculation Display section   : 19.2 x 10 x 24 cm, 3.3 kg