Omron 61F-LS-CP11-NRA Floatless Level Controller
SKU: 61F-LS-CP11-NRAUSD 27.00
Omron 61F-LS-CP11-NRA is a floatless level controller for conductive liquid level monitoring and pump control in industrial systems.
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Product Overview
61F-LS-CP11-NRA belongs to Omron 61F level controller family and is used for conductive liquid level detection without mechanical float mechanisms. Floatless control is commonly selected in tank and pump systems where reliable level management and reduced mechanical wear are desired. This model is frequently used in water treatment, utility skids, and process support systems to supervise low/high level conditions and manage pump sequencing. Engineering teams should verify electrode configuration, medium conductivity assumptions, and control logic for startup, stop, and alarm states. Commissioning should include electrode wiring checks, threshold behavior confirmation, and fault response testing. 61F-LS-CP11-NRA is typically chosen for maintainable liquid-level automation where operational reliability and predictable control behavior are critical.
- SKU: 61F-LS-CP11-NRA
- Series: 61F
- Voltage: 240V
Best-Fit Applications
- Tank high/low level control in utility systems
- Pump automatic start/stop based on level states
- Conductive-liquid monitoring in process support lines
- Dry-run prevention logic for pump protection
- Alarm generation for abnormal level conditions
- Retrofit replacement of mechanical float-based systems
Buying Checklist
- Confirm liquid conductivity suitability for electrode sensing.
- Design electrode arrangement for stable switching behavior.
- Validate control sequencing and interlock logic before operation.
- Plan electrode maintenance for long-term reliability.
- Test fail-safe behavior during sensor or wiring faults.
Technical Specifications
| Model | 61F-LS-CP11-NRA |
|---|---|
| Series | 61F |
| Type | Floatless Level Controller |
| Supply Voltage | AC100-240V |
| Sensing Method | Conductive electrode |
| Control Output | Relay |
| Control Mode | Multi-level control |
| Liquid Conductivity | 100μS/cm min |
| Response Time | 0.5 seconds |
| Mounting | Panel or DIN rail |
| Operating Temperature | -10 to +55°C |
| Protection | IP20 |
Resources & Downloads
FAQ for 61F-LS-CP11-NRA
What's the advantage of floatless vs mechanical float?
No moving parts = no mechanical wear, no sticking, longer life. Suitable for dirty liquids where floats get stuck. Electrode-based sensing is more reliable for continuous operation.
Can this controller handle multiple levels?
Yes, multi-level control: pump on/off at different levels, high alarm, low alarm. Configure electrode positions for desired level points.
What maintenance is required?
Minimal: periodically check electrode condition (clean if coated), verify operation. Electrodes may need replacement if corroded. Controller itself is maintenance-free.
Can I use this for chemical tanks?
Yes, for conductive chemicals. Ensure electrode material is compatible with chemical (stainless steel, titanium, graphite). Check chemical conductivity meets minimum requirement.
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