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Anderson-Negele Level Instrumentation Potentiometric Level TransmittersFast, accurate and hygienic continuous level measurement for foamy, viscous, adhesive and rapidly changing products in sanitary processing vessels. Explore the Benefits Contact the Team |
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Continuous Level Measurement Dependable Measurement for Difficult Process MediaAnderson-Negele potentiometric level transmitters deliver continuous level measurement in metallic vessels where foam, sticky products, temperature changes or rapid filling can challenge conventional technologies. The NSL-F and compact NSL-M are designed for hygienic food, beverage, dairy and life-science processes. Their potentiometric sensing principle supports stable measurement without requiring frequent recalibration when the product changes within the transmitter’s specified conductivity range.
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Key Benefits
Designed for Fast, Stable and Hygienic Level Control
Potentiometric technology helps maintain accurate continuous level measurement in applications where foam, residue, vessel pressure or changing process temperatures can reduce the effectiveness of other sensing methods.
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Accurate in Difficult MediaProvides stable readings in foamy, viscous, pasty and adhesive products where conventional level systems may drift or produce inconsistent results. |
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Fast Process ResponseFast sampling on supported models enables precise monitoring of rapid filling, dispensing, dosing and filler-bowl level changes. |
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Hygienic by DesignCLEANadapt and other hygienic connections and sanitary wetted materials support clean installation in CIP and SIP processing environments. |
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Minimal RetuningThe potentiometric sensing principle generally does not require readjustment when switching between products within the supported conductivity range. |
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Flexible CommunicationChoose simple 4–20 mA analog transmission or Flex-Hybrid configurations combining analog output with IO-Link diagnostics and configuration. |
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Versatile InstallationTop, side and bottom mounting options, bent probes and remote-head configurations help accommodate different vessel geometries. |
Product Portfolio
NSL-F and NSL-M Level Transmitters
Select a transmitter based on installation space, communication requirements, vessel geometry and the level of local configuration required.
NSL-FFlexible Potentiometric Level Transmitter A versatile continuous level transmitter for demanding hygienic applications requiring fast measurement, flexible installation and advanced configuration.
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NSL-MCompact Two-Wire Level Transmitter A compact transmitter designed for installations with limited tank-top space or applications that require straightforward analog integration.
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Common Applications
Continuous Level Measurement Across Hygienic Industries
Potentiometric transmitters are particularly effective in smaller vessels and applications involving foam, coating, rapidly changing levels or process pressure.
Food and BeverageFast and stable measurement for batching, filling, ingredient storage and product handling.
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Dairy ProcessingContinuous hygienic measurement for products that foam, coat or adhere to conventional probes.
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Pharmaceutical and Life SciencesSanitizable continuous level measurement for metallic vessels used in controlled hygienic production.
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Shallow and Pressurized TanksAn effective alternative where vessel depth, changing temperature or process pressure can make hydrostatic measurement less suitable.
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Product Capabilities
Built for Hygienic Process Measurement
Available configurations support a range of vessel sizes, installation arrangements, process connections and plant communication requirements.
| Measurement Principle | Continuous potentiometric level measurement in conductive liquids and products |
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| Product Families | NSL-F flexible transmitter and compact NSL-M two-wire transmitter |
| Process Media | Foamy, viscous, pasty, adhesive and rapidly changing conductive products |
| Communication | Two-wire 4–20 mA or Flex-Hybrid 4–20 mA with IO-Link on supported configurations |
| Installation | Top, side or bottom mounting with straight, bent and remote-head options on selected models |
| Hygienic Connections | CLEANadapt and other sanitary process connections with compliant options depending on configuration |
| Process Cleaning | Designed for hygienic CIP and SIP processes according to the selected model and configuration |
| Typical Vessel Type | Metallic hygienic vessels, including shallow, compact and pressurized tanks |
Anderson‑Negele potentiometric level transmitters—NSL‑F and NSL‑M—offer fast, precise, and hygienic continuous level measurement when media are foamy, sticky, or fast‑moving, and where small or pressurized vessels are common. With CLEANadapt hygienic fittings, CIP/SIP readiness, IP69K options, and flexible outputs (IO‑Link + 4–20 mA or 2‑wire analog), they integrate easily into sanitary automation while minimizing setup and maintenance. If your process demands repeatable level control under challenging conditions, these potentiometric transmitters are a proven fit
Need Help Selecting Instrumentation?
Contact the Gerrie Rockwell Automation team for support with hygienic pressure measurement, sanitary process connections, application selection, and system integration.