Technical Data
ComparePoint Level / Liquids
| Measuring Principle | Capacitive Liquid |
| Characteristic / Application | Transmitter with intrinsically safe signal Calibrating using operating keys adjustable operating delay 2-wire PFM 3-wire Rail mounting: Wide: 45mm (PFM )Wide: 22,5 mm With adjustable hysteresis |
| Specialities | Min / Max - changeover Test/correction key (PFM) |
| Supply / Communication | 85V ... 253V AC 20V ... 60V DC |
| Ambient temperature | Serial montage -20 °C ... 50 °C (-4 °F ... 122 °F) |
| Communication | 2 Relays |
| Certificates / Approvals | ATEX, IEC Ex, FM, CSA, TIIS |
| Safety approvals | Overfill protection WHG |
Point Level / Solids
| Measuring Principle | Capacitive Solid |
| Characteristic / Application | Transmitter with intrinsically safe signal Calibrating using operating keys adjustable operating delay 2-wire PFM 3-wire Rail mounting: Wide: 45mm (PFM )Wide: 22,5 mm With adjustable hysteresis |
| Specialities | Min / Max - changeover Test/correction key (PFM) |
| Supply / Communication | 85V ... 253V AC 20V ... 60V DC |
| Ambient temperature | -20 °C ... 50 °C Serial montage (-4 °F ... 122 °F) |
| Communication | 2 Relays |
| Certificates / Approvals | ATEX, IEC Ex, FM, CSA, TIIS |
| Safety approvals | Overfill protection WHG |
The Nivotester FTC325 capacitive limit switch uses an intrinsically safe signal circuit. The one-piece housing is convenient for installation on a standard DIN rail in an instrument cabinet.
Advantages
Intrinsically safe signal circuit EEx ia IIC for use in hazardous areas
Calibration using the operating keys
High functional safety thanks to:
- Fail-safe pulse frequency modulation (PFM) or 3-wire technology
- Detectable relay function
One-piece housing, convenient for installation on a standard DIN rail in an instrument cabinet.
Pluggable terminals for easy wiring.
Can be used with EC16Z (PFM), EC17Z (PFM) and EC61 (3-wire).
Limit value and alarm relay
Application
This limit detection switch can be used for liquid tanks and bulk solids silos, and can also be used in hazardous areas of ATEX II (1) GD classification.
Overfill protection for tanks containing flammable or non-flammable liquids.
Dry-run protection for pumps.
2-point control (Δs 3-wire switch)
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Technical documentation
Technical data
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Accessories/Spare parts
Source:Endress+Hauserwebsite public information
Case Studies
Municipal Wastewater Treatment — Wastewater Treatment Plant · Capacitance Application Case
Project Background
Municipal Wastewater Treatment customers at the Wastewater Treatment Plant stage have long faced the challenge of insufficient accuracy in effluent quality monitoring and instruments prone to contamination causing data drift, affecting compliance discharge, placing higher demands on the stability and measurement accuracy of Capacitance.
Solution
Based on the on-site conditions, the Ainstru technical team selected suitable Capacitance for the customer and delivered one-stop service covering selection, installation, commissioning and tuning.
Results
- Measurement accuracy and response speed significantly improved, with stable and reliable data;
- Instruments adapt to complex Municipal Wastewater Treatment conditions, greatly reducing maintenance;
- Helping customers achieve continuous online monitoring and cost reduction, highly recognized by customers.
Food & Beverage — Food Production Line · Capacitance Application Case
Project Background
Food & Beverage customers at the Food Production Line stage have long faced the challenge of high hygienic measurement requirements, with inline instruments needing to withstand CIP/SIP cleaning while maintaining stable accuracy, placing higher demands on the stability and measurement accuracy of Capacitance.
Solution
Based on the on-site conditions, the Ainstru technical team selected suitable Capacitance for the customer and delivered one-stop service covering selection, installation, commissioning and tuning.
Results
- Measurement accuracy and response speed significantly improved, with stable and reliable data;
- Instruments adapt to complex Food & Beverage conditions, greatly reducing maintenance;
- Helping customers achieve continuous online monitoring and cost reduction, highly recognized by customers.
Chemical & Pharmaceutical — Reactors and Storage Tanks · Capacitance Application Case
Project Background
Chemical & Pharmaceutical customers at the Reactors and Storage Tanks stage have long faced the challenge of highly corrosive media and complex conditions, requiring corrosion-resistant and explosion-proof instruments, placing higher demands on the stability and measurement accuracy of Capacitance.
Solution
Based on the on-site conditions, the Ainstru technical team selected suitable Capacitance for the customer and delivered one-stop service covering selection, installation, commissioning and tuning.
Results
- Measurement accuracy and response speed significantly improved, with stable and reliable data;
- Instruments adapt to complex Chemical & Pharmaceutical conditions, greatly reducing maintenance;
- Helping customers achieve continuous online monitoring and cost reduction, highly recognized by customers.
Power & Energy — Power Plant Boiler and Turbine · Capacitance Application Case
Project Background
Power & Energy customers at the Power Plant Boiler and Turbine stage have long faced the challenge of unstable measurement under high temperature and pressure, with high maintenance and downtime costs, placing higher demands on the stability and measurement accuracy of Capacitance.
Solution
Based on the on-site conditions, the Ainstru technical team selected suitable Capacitance for the customer and delivered one-stop service covering selection, installation, commissioning and tuning.
Results
- Measurement accuracy and response speed significantly improved, with stable and reliable data;
- Instruments adapt to complex Power & Energy conditions, greatly reducing maintenance;
- Helping customers achieve continuous online monitoring and cost reduction, highly recognized by customers.
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