Description
The instrument is used for the measurement/control of conductivity or concentration in liquid media. It is particularly recommended for use in media where severe deposits of dirt, oil, grease or gypsum/lime precipitates are to be expected. The integrated temperature measurement enables fast and accurate temperature compensation, which is of particular importance when measuring conductivity. Additional functions, such as the combined changeover of measurement range and temperature coefficient, and a particularly robust conductivity probe, enable optimum application in CIP processes.
Two built-in switching outputs can be freely programmed to monitor limits for conductivity/concentration and/or temperature. It is also possible to assign alarm and control functions (dilution).
Typical areas of application: Food/beverage and pharmaceutical industries, product separation in the beverage industry, breweries and dairies, bottle cleaning plant, concentration control in electroplating and chemical processing plant, CIP systems, water and wastewater engineering, dosing of chemicals, leakage indication, in heating and cooling plant, and so on.
Features:
- hygienic sensor
- activation of up to four measuring ranges and temperature coefficients
- concentration measurement of caustic soda naoh and nitric acid HNO3
- fast-response temperature sensor- linear, natural water or specific characteristic
Specification
| General details | |
| Device type/measuring principle | INDUTEC K / inductive |
| Input / accuracy | |
| Measuring ranges | Accuracy (as % of the measuring range span) |
| 0…500µS/cm | ? 1 % |
| 0…1000µS/cm | ? 1 % |
| 0…2000µS/cm | ?0,5% |
| 0…10mS/cm | ?0,5% |
| 0…50mS/cm | ?0,5% |
| 0…100mS/cm | ?0,5% |
| 0…200mS/cm | ?0,5% |
| 0…500mS/cm | ?0,5% |
| 0…1000mS/cm | ? 1 % |
| 0…2000mS/cm | ? 1 % |
| Ambient temperature effect | ? 0,1%/K |
| Concentration measurement | implemented in the device software |
| NaOH | 0…15% by weight or 25…50% by weight (0…90°C) |
| HNO3 | 0…25% by weight or 36…82% by weight (0…80°C) |
| Output | |
| Output signal | 4…20mA or 20…4mA |
| Burden | ? 500? |
| Analog output at “alarm” | – low 0mA / 3.4mA or fixed value |
| – high 22mA or fixed value | |
| Conditions of use | |
| Medium temperature | -10°C … +120°C (140°C sterilization) |
| Ambient / storage temperature | 5…+50°C/ -10…+75°C; max. rel. humidity. 93 %, no condensation |
| Protection class acc. to EN60529 | IP 67 |
| Electromagnetic compatibility | class B, acc.to EN 61326 |
| Temperature compensation | |
| Reference temperature | 15…30°C, adjustable |
| Temperature coefficient | 5,5%/°C, adjustable |
| Compensation range | -20…150°C |
| Function | linear |
| Construction | |
| Electrical connection | – Standard: M16x1.5 cable screw connection, nickel-plated brass (stainless steel available on request) |
| – Optional: M12x1 round plug-in connector, nickel-plated brass (stainless steel available on request) | |
| Materials | Field housing: CrNiSt 1.4305 (303) |
| Sensor: PEEK | |
| Pressure | max. 10bar |
| Display and operation | |
| Display | Multiple-colour status LED |
| Operation | 2-key concept |
| Auxiliary energy resources | |
| Power supply/burden | 19…31V DC |
Download Data Sheet: Inductive conductivity concentration transmitter INDUTEC
Ref: Hengesbach.com
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