EXNER EXSPECT PROCESS MONITORS
EXspect process monitors provide accurate and repeatable turbidity measurement with local readout. Units are manufactured from 316L stainless steel and have sapphire optical windows for durability and resilience. A touch screen display allows for both user interaction and continuous indication of process turbidity value. EXspect process monitors are installed inline using a sanitary metal to metal sealing method, removing the need to periodically replace elastomer seals. For installation, a range of fittings are available to facilitate easy implementation in your plant.
Expect sensors have the following exceptional features:
- Compact design with integrated electronics and touch screen display
- Resilient sapphire windows
- Hygienic design – suitable for CIP/SIP
- NIR LED source guarantees steady and long-life signal
- Integrated digital and analog output
- Intuitive configuration
- Process monitoring and documentation
- Liquid free calibration and testing using EXcap solid state reference filters
EXspect 231
EXspect 231 Process Monitor
| Measurement Type | Absorbance |
| Measurement Range | 0 to 100 % / 0 to 6 AU / 0 to 6600 EBC |
| Available Measurement Units | %-turbidity / EBC, FAU / mg/l / AU / OD / customer defined unit |
| Accuracy | ± 1 % from measured value |
| Reproducibility | ≤ 1 % of final value |
| Resolution | 0.1 % or 0.01 AU |
| Wavelength | 850 nm |
| Optical Path Lengths | 5, 10 and 20mm |
| Material | 316L / 1.4435 Stainless Steel |
| Surface Finish | Electro-polished < 0.37 µm / 14.57 microinch Ra |
| Resolution | 0.1 % or 0.01 AU |
| Window Material | Sapphire |
| Pressure Rating | 0…10 bar / 0…145 psia |
| Temperature Rating | 0…90°C / 32…194°F continuous, 135°C / 275°F for 1hr (SIP cycle |
| Power Supply | 24 VDC |
| Analog Output | 4…20 mA |
| Digital Output | Configurable for NO or NC operation / max. 150 mA |
| Digital Input (for remote zeroing) | 24Vdc external signal |
| Electrical Connection | 5 or 8 pin M12 plug |
| Process Connection | ½” Thread (adapters available) |
| Protection Class | IP69 (incl. connection cable) |
Typical Applications: Phase detection/interface detection, product change-over, waste water cost reduction, CIP monitoring, filter monitoring, color independent concentration measurement, consistency trending
EXspect 271
EXspect 271 Process Monitor
| Measurement Type | Optical backscattered light |
| Measurement Range | 0 to 100 % |
| Accuracy | ± 1.5 % of measured value |
| Reproducibility | ≤ 1 % of final value |
| Resolution | 0.1 % |
| Wavelength | 850 nm |
| Material | 316L / 1.4435 Stainless Steel |
| Surface Finish | Electro-polished < 0.37 µm / 14.57 microinch Ra |
| Lens Material | Sapphire |
| Power Supply | 24 VDC |
| Pressure Rating | 0…20 bar / 0…290 psia |
| Temperature Rating | -10…90°C /14…194°F continuous, 141°C / 286°F for 2hrs (SIP cycle) |
| Analog Output | 0/4…20 mA |
| Digital Output | Configurable for NO or NC operation / max. 150 mA |
| Digital Input (for remote zeroing) | 24Vdc external signal |
| Electrical Connection | 5 or 8 pin M12 plug |
| Process Connection | ½” Thread (adapters available) |
| Protection Class | IP69 (incl. connection cable) |
Typical Applications: Phase detection / interface detection, product change-over, waste water cost reduction, CIP monitoring, filter monitoring, consistency trending
Have questions?
Get in touch with our expert sales engineers and technologists and we'll guide you to a solution.
EXNER EXPLORE PROCESS SENSORS
EXplore sensors provide continuous turbidity measurement at a very economical price point. Used for applications such as phase separation/product change detection and filtration monitoring, hygienic EXplore sensors are process color independent and provide a high level of accuracy and repeatability. EXplore sensors are installed inline using a sanitary metal to metal sealing method, removing the need to periodically replace elastomer seals and designed for integration into a supervisory control system. For installation, a range of fittings are available to facilitate easy integration into existing lines.
EXplore sensors have the following exceptional features:
- Compact design
- Resilient sapphire windows
- Hygienic design – suitable for CIP/SIP
- NIR LED source guarantees steady and long-life signal
- Integrated analog output
- Factory calibration – plug and play
- Liquid free testing using EXcap solid state reference filters
EXplore 131
EXplore 131 Process Sensor
| Measurement Type | Absorbance |
| Measurement Range | 0 to 100 % |
| Accuracy | ± 1 % of measured value |
| Reproducibility | ≤ 1 % of final value |
| Resolution | 0.1 % |
| Wavelength | 850 nm |
| Optical Path Lengths | 10 or 20mm |
| Material | 316L / 1.4435 Stainless Steel |
| Surface Finish | Electro-polished < 0.37 µm / 14.57 microinch Ra |
| Window Material | Sapphire |
| Pressure Rating | 0…10 bar / 0…145 psia |
| Temperature Rating | 0…90°C / 32…194°F continuous, 135°C / 275°F for 1hr (SIP cycle) |
| Power Supply | 24 VDC |
| Analog Output | 0/4…20 mA |
| Electrical Connection | 5 pin M12 plug |
| Process Connection | ½” Thread (adapters available) |
| Protection Class | IP69 (incl. connection cable) |
Typical Applications: Phase detection / interface detection, product change-over, waste water cost reduction, CIP monitoring, filter monitoring, color independent concentration measurement, consistency trending
EXplore 171
EXplore 171 Process Sensor
| Measurement Type | Optical backscattered light |
| Measurement Range | 0 to 100 % |
| Accuracy | ± 1.5 % from measured value |
| Reproducibility | ≤ 1 % of final value |
| Resolution | 0.1 % |
| Wavelength | 850 nm |
| Material | 316L / 1.4435 Stainless Steel |
| Surface Finish | Electro-polished < 0.37 µm / 14.57 microinch Ra |
| Lens Material | Sapphire |
| Pressure Rating | 0…20 bar / 0…290 psia |
| Temperature Rating | -10…90°C /14…194°F continuous, 135°C / 275°F for 2hrs (SIP cycle) |
| Power Supply | 24 VDC |
| Analog Output | 0/4…20 mA |
| Electrical Connection | 5 pin M12 plug |
| Process Connection | ½” Thread (adapters available) |
| Protection Class | IP69 (incl. connection cable) |
Typical Applications: Phase detection / interface detection, product change-over, waste water cost reduction, CIP monitoring, filter monitoring, consistency trending
Have questions?
Get in touch with our expert sales engineers and technologists and we'll guide you to a solution.
EXNER EXPURE INLINE TURBIDITY SENSORS
EXpure is a highly accurate, compact turbidity sensor for monitoring processes with very low turbidities, e.g., in potable water and swimming pool applications. Units have a robust flow-through plastic measurement cell with stainless steel and sapphire optical windows for durability and resilience. Electronics are integrated and have Modbus digital communications and optional analog output for connectivity with supervisory control and SCADA systems.
EXpure sensors have the following exceptional features:
- Compact design
- Nephelometric measurement according to DIN EN 27027 and ISO 7027
- Resilient sapphire windows
- NIR LED source guarantees steady and long-life signal
- Modbus Digital communications as standard
- Optional analog output
- No calibration necessary by user
EXpure 191
EXpure 191 Inline Turbidity Sensor
| Measurement Type | Nephelometric 90° side scattered light |
| Measurement Range | 0 to 10 NTU |
| Accuracy | ± 1 % of measured value |
| Reproducibility | ≤ 1 % of final value |
| Resolution | 0.01 NTU |
| Wavelength | 850 nm |
| Material | 316L / 1.4435 stainless steel, EPDM, black polyoxymethylene (POM) / polyethylene (PE-HD) |
| Window Material | Sapphire |
| Pressure Rating | 0…6 bar / 0…87 psia |
| Temperature Rating | 1…50°C / 34…122°F |
| Power Supply | 9…24 VDC |
| Analog Output | 4…20 mA |
| Digital Communications | Modbus over RS485 |
| Process Connection | G ¼” female thread (adapters available) |
Typical Applications: Potable water monitoring, swimming pool clarity, pump performance control, filter breakthrough, flocculant addition optimization, filter performance monitoring
Have questions?
Get in touch with our expert sales engineers and technologists and we'll guide you to a solution.
EXNER EXCAP CALIBRATION ACCESSORIES
Make the calibration checking and verification of EXcell probes, EXspect turbidity monitors and EXplore turbidity probes easy using EXcap solid state calibration reference standards. EXNER calibration standards are available for both absorbance and backscatter versions of these instruments with a range of different values to ensure that they are working to specification.
To use, EXcaps are simply applied to an instruments’ process interface to simulate a known and repeatable measurement response. EXcaps are supplied in a protective case with each being permanently marked with its simulation value. All EXcaps are supplied with a calibration certificate.
EXcap 110 (absorbance)
EXcap 110 (absorbance)
EXcap 110 calibration references are designed for use with Exner optical instruments that use NIR absorbance as their measurement technique. The EXcap 110 range includes seven values. Sets are supplied in a protective carrying case with up to three individually selected filters to enable verification of instruments in their applied measuring range.
| Reference Type | Absorbance |
| Available Values |
0.35 AU / 55% turbidity 1 AU / 90% turbidity 2 AU / 99% turbidity 3 AU 4 AU 5 AU 6 AU |
| Carrying Case Dimensions | 120 x 116 x 40 mm / 4.7 x 4.6 x 1.6” |
Typical Applications: Potable water monitoring, swimming pool clarity, pump performance control, filter breakthrough, flocculant addition optimization, filter performance monitoring
EXcap 120 (backscatter)
EXcap 120 (backscatter)
EXcap 120 calibration references are designed for use with Exner optical instruments that use NIR backscatter as their measurement technique. The EXcap 120 range includes three values. Sets are supplied in a protective carrying case with up to three individually selected filters to enable verification of instruments in their applied measuring range.
| Backscattered light | Absorbance |
| Available Values | 10 %, 20 %, 50 % |
| Carrying Case Dimensions | 120 x 116 x 40 mm / 4.7 x 4.6 x 1.6” |
Have questions?
Get in touch with our expert sales engineers and technologists and we'll guide you to a solution.
SOUTH FORK INSTRUMENTS CAN PROVIDE OPTICAL SENSOR-BASED TURBIDITY AND SOLIDS MEASUREMENT SOLUTIONS FOR MANY APPLICATIONS ACROSS MANY INDUSTRIES.
If you are looking for a cost-effective turbidity/suspended solids measurement, South Fork Instruments is ready to help specify the solution tailored to your needs.
SOUTH FORK INSTRUMENTS
3845 Buffalo Road
Auburn, CA 95602
Tel: (+1) 925-461-5059
