蒙自LRC Series Capacitance Level Transmitter
●Pulse digital capacitance measurement with admittance compensation technology
● Plug and Play
● Supports HART protocol (please specify when ordering)
●Isolated Circuit Design
● Compensating for the effects of dielectric constant changes caused by temperature variations
● Key shortcut operations
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Product Description
Product Overview Product overview
The LRC-T series capacitive level transmitter offers continuous measurement of liquid levels in open or pressurized vessels, converting the displacement caused by liquid-level changes into a standardized, linear 4-20mA analog signal output. This series of capacitive level sensors operates on a two-wire system, enabling seamless integration with any instrument—such as indicators, recorders, controllers, or DCS systems—that accepts a 4-20mA input. It facilitates accurate measurement, display, and control of liquid levels, making it ideal for use across industries including chemical processing, pharmaceuticals, petroleum, metallurgy, and more.
Performance metrics TECHNICAL PARAMETERS
Power supply: 18–32 VDC;
Measurement media: liquids, solid powders, and solid granules (particle size ≤10 mm);
Measurement range: 0.0–3200.0 pF
Measurement accuracy: 2%FS, 1%FS, 0.5%FS, 0.2%FS; (Higher accuracy available upon request)
Resolution: 0.1 pF:
Output signal: Two-wire 4-20mA;
Communication methods: 4-20mA + HART protocol; RS485;
Load impedance: 450Ω,
Process interface: Flanged or threaded connection (customizable based on site requirements);
Electrical interface: Standard M20×1.5 cable gland with locking nut;
Pressure rating: 6, 10, 16, 25, 40, 63, 100, 160, 220, 320 bar;
Media temperature: -200°C to +250°C (for media above 100°C, a cooling component must be installed between the probe and the transmitter head);
Probe material: 304 or 316L stainless steel;
Probe length range: 0–30 m;
Exploring extreme insulation materials: Teflon PTFE or PFA
Temperature drift coefficient: ≤ ±0.02% of span per °C
Long-term stability: ±0.1%FS/year;
Housing material: Die-cast aluminum, epoxy resin coating, with sealing gasket
Housing protection: IP65
Explosion-proof rating: Exd IIC T6Gb;
Ambient temperature: -25 to 60°C
Storage temperature: -40 to 70°C
Relative humidity: 0–95% RH
External dimensions APPEARANCE OF SIZE
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Selection Assistance Selection Help
| Model | Measurement range (m) | Medium pressure (MPa) | Medium temperature (°C) | Extreme Probe Specifications | Exploring Extreme Features | Connection method | Installation method | Container Requirements | Applicable Medium |
| LRC-T51 | 0.1–3.0 | 0 to 6.3 | -200 to 250 | Φ6Φ8Φ10 | Rigid Single-Probe Electrode | Flange or thread | Insertion or External Measuring Cylinder | Metal container | Various liquids and powders |
| LRC-T52A | 0.1–3.0 | 0 to 2.5 | -200 to 250 | Φ8Φ10 | Hard Dual-Probe | Flange: For measuring hydrochloric acid level, use a PVC flange rated for temperatures up to 85°C. | Interpolated | Non-metallic containers such as cement ponds, fiberglass tanks, PVC tanks, and more | Liquids such as acids, bases, salts, and water |
| LRC-T52B | 0.1–30 | 0 to 2.5 | -200 to 250 | Φ5 | Soft Dual-Probe | Flange: For measuring hydrochloric acid level, use a PVC flange rated for temperatures up to 85°C. | Interpolated | Non-metallic containers such as hydrochloric acid storage tanks, cement pools, and more | Liquids such as acids, bases, salts, and water |
| LRC-T53 | 0.1–3.0 | 0 to 6.3 | -200 to 250 | Φ8 | Hard single probe with protective tube | Flange or thread | Insertion or External Measuring Cylinder | Metal or non-metal container | Liquids with lower dielectric constants, such as oil and liquid CO2, among others. |
| LRC-T54A | 0.1–3.0 | 0 to 6.3 | -200 to 250 | Φ8 | Hard single bare probe | Flange or thread | Insertion or External Measuring Cylinder | Metal container | Non-conductive solid particles or powder |
| LRC-T54B | 0.1–30 | 0 to 2.5 | -200 to 250 | Φ8 | Soft single bare probe | Flange or thread | Interpolated | Grain silos, cement silos, coal powder silos, and more | Non-conductive solid powders such as cement, coal powder, and others |
| LRC-T55 | 0.1–30 | 0 to 2.5 | -200 to 250 | Φ5 | Soft Single-Probe Electrode | Flange | Installed inside the container under test | Metal container | Liquids such as acids, bases, salts, and water |
| LRC-T56 | 0.1–3.0 | 0 to 6.3 | -200 to 250 | Φ6 | Soft single-probe electrode, capable of replacing dual-flange level gauges | Flange | Installed inside the container under test | Metal container | Acids, bases, salts, water, and more—such as the urine scrubber. |
| LRC-T320 Synthetic Ammonia High-Pressure Level Gauge | 0.1–3.0 | 0–32 | -200 to 250 | Φ6 | Soft single-probe electrode, specifically designed for high-pressure liquid level applications such as ammonia separation towers, cooling exchange towers, and ketone towers. | Threaded flange, lens seal | Insertion-type or external measurement cylinder | Metal container | Liquid ammonia, etc. |
| The LRC-T series level gauges, except for the LRC-T54B model with a bare electrode, feature probes coated with either PTFE or PFA. These probes are resistant to corrosion by nearly all media within a temperature range of -200°C to 250°C. | |||||||||
Installation Requirements INSTALLATION
Interpolated installation method
Externally mounted measuring cylinder installation type
Double-flange mounting configuration
Bottom flange internal insertion type
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