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In-Line Industrial Process Refractometers |
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Schmidt + Haensch Process Refractometer |
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Features
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Working
Principle
The light from an LED source is transmitted by a fiber optic onto one side of a measuring prism and internally reflected to the interface of the prism and the sample liquid. A portion of this light beam is reflected back onto the opposite side of the prism at an angle which depends on the refractive index of the liquid at the interface. The position of this reflected beam, as it exits the prism, changes with the angle of reflection (which depends on the refractive index of the sample ). A linear diode array is used to accurately detect the varying position of the reflected beam and this position is calibrated with respect to refractive index. As there are no moving parts, only precise optical and electronic elements, the calibration is very stable, repeatable and accurate. |
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Built for processing environment Suitable for many applications in the food and sugar industry as well as chemical and effluent monitoring systems.The iPR is ideal for juice, juice concentrate, beverages, soft
drinks, wine, beer, coffee, milk products, jams jellies and tomato
pastes. And massecuit, molasses, press water, liquid sugar, fructose,
glucose and sucrose. For sticky materials the adaptor flange can be fitted with a cleaning nozzle. |
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| In Situ
cleaning The illustration shows a refractometer head with a cleaning nozzle opposite the prism face viewed through a cutaway in the Tuchenhagen flange. This kind of cleaning device can be used with any of the IPR in line refractometers |
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| Measuring head adaptable to any location The stainless steel refractometer head can be mounted into pipes, kettles, or other vessels with the aid of suitable fittings. You can specify the fittings you need and our engineers will work with you to provide a configuration for your process. We also offer Tri Clover, aseptic and Varivent Tuchenhagen flanges. |
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| Mounting Arrangements | |
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| Mounted in 90 degree elbow hose connections | Mounted in flange for tank or vessel with cleaning nozzle |
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| Water cooled head with ultrasound cleaning | Mounted in T to a pump |
| Product Links | |
| Product | Description |
iPR Compact
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Measuring Range: 1.3320-1.4209 RI 0-50 Brix(w/ ATC) The main feature of the new iPR Compact is it’s minimized dimension and weight. Installation in pipes or vessels is simple due to the use of standardized flanges. Fast measurement allows short response times to control the production process. The reduced response time minimizes the waste quote and improves the process performance. Consequently it is a big money saver. |
iPR Basic |
Measuring range M1: 0 - 50 Brix / 1.3300 - 1.4200 RI Measuring range M2: 30 - 75 Brix / 1,3800 - 1,4800 nD Measuring range M3: 45 - 85 Brix / 1,4000 - 1,5000 nD Measuring range M4:
55 - 95 Brix / 1,4200 - 1,5200 nD Resolution: 0.1 Brix / 0.0001 RI 0.02 Brix on request - depending on process The automatically operating process refractometers IPR Basic measure the refractive index continuously as well as the concentration of a binary or quasi-binary liquid mixture. The measurement is independent of light intensity from the light emitting diode (LED) and is free of signal drift, granting high precision and better process control. Colour, turbidity, undissolved particles or gas bubbles do not affect the measurement. You can choose from 4 measuring ranges. |
iPR FR (Full Range) |
Measuring range M1: 0 - 95 Brix / 1.3300 - 1.5300 RI Measuring range M2: 50 - 100 Brix / 1.4200 - 1.6000 RI Resolution: 0.1 Brix / 0.0001 RI 0.02 Brix on request - depending on process
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iPR HR (High Resolution) |
Measuring Range: 1.332000 - 1.372000 RI / 0 - 25 Brix The iPR HR is specially developed for the check of liquids with very low solid concentrations (e.g., Light drinks). |
iPR Ex-Protection  |
The process refractometer IPR EX is a modular system. The basic configuration consists of a measuring head and a controller. You can choose from 4 measuring ranges for highest precision. The controller has a free configurable LCD display, a keypad for data input, menu selection and programming and a serial interface RS232. Up to 3 sensor heads per controller are possible. The ex-proof version of the process refractometer consists of an intrinsically safe sensor installed in the hazardous area and a barrier unit and an electronic unit installed in the safe area, European classification ATEX ib II A T4. |
Universal Controller  |
• User-friendly touch screen interface to your instruments providing instructions in plain text • Configuration and maintenance of the Schmidt + Haensch process refractometers (Scale definition, or other calculations with the measured values) • Electronic real-time monitoring & recording (standard USB Stick or FTP over Ethernet) • Reliable archiving on the internal memory or network devices • Connect up to 10 different process instruments • IP65 proof stainless steel casing • Alarm set points • No data loss even in case of power failure! Standard interfaces: Serial, Ethernet, Modbus (over Ethernet), PS2 (for barcode or external keyboard) |
Data Logger (Multi Channel Recorder) |
• Electronic recording replaces strip chart recorder, effects economy on consumables • Up to 6 universal inputs record all measuring signals • Coloured digital display, bargraph or curve display • Reliable data archiving with internal memory and separate CompactFlash card • System-enabled: network integration and remote data transmission via Ethernet, RS232/RS485 (modem) and USB • Inputs are galvanically isolated from the system |
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Topac Inc 231 CJC Highway, Cohasset MA 02025 USA |