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IPR Ex-Protection

Description

The automatically operating process refractometers IPR EX measure the refractive index continuously and thus, 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.

The process refractometer IPR EX is a modular system. The basic configuration consists of a measuring head and a controller. You can choice 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 stainless steel measuring head is resistant against chemicals, suiting foodstuff regulations and CIP and pipe pig use possible. The IPR measuring head can be installed in pipes, reactor vessels, mixing tanks, kettles, boiling pans and evaporators, using different weld-in flanges.

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.

Technical details

Basic cofiguratiom

IPR2-EX consists of a controller and a measuring head (max. 3 heads can be controlled)

Electronic unit

Electronic control unit for wall mounting, prepared for the connection of one measuring head, button keyboard, RS232 interface, graphic LCD-display, mains supply 90 - 264 V with 5m mains cable

Measuring head

 

Process temp. (max.)

120°C (with water cooling installed)

Process pressure (max.)

1 Mpa (145 psi, 10 bar)

Temperature correction

Brix in the range of 15 - 40°C

Measuring scales

Brix, 2 scales programmable

Wetted part

Sapphire or YAG, stainless steel, optional: PTFE

Power supply

85 - 260 V / 50 - 60 Hz

Serial interface

RS 232 or RS 485

Optinal interfaces

3 isolated 4 to 20 mA analog outputs, 8 digital outputs/limit switches

Connecting flanges

VariVent, TriClamp or APV

Ex-proof

Intrinsically safe, class EEx ib II A T4

Cleaning option

Water or steam  cleaning

 

 

 

 

Measuring head IPR FR EX

 

Measuring range M1

0 - 95 Brix / 1.3300 - 1.5300 RI

Resolution

0,02 Brix  / 0,000 02 nD 

Precision

±0.1 Brix / ±0.000 14 RI