ELTAR 20 Through Air Radar Level Transmitter

ELTAR-20 Radar Level TransmitterFeatures

Self-adjusting tracking radar technology
Simple push-button calibration
4–20 mA / 20–4 mA output (isolated on 4-wire models)
Diagnostics and data logging software
PLC compatible (MODBUS RTU)
Two-wire or four-wire operation
Fully programmable
Suitable for liquids, solids, tanks, silos, and reactors

Description

Electronet ELTAR-20 is a high-frequency radar level transmitter designed for accurate and reliable level measurement in industrial applications. It supports a measuring distance of up to 30 meters. Its optimized antenna and advanced microprocessor provide superior signal analysis, making it suitable for reactors, solid silos, and complex environments with steam, dust, or turbulence.

Technical SpecificationsElectrical & Enclosure

Electrical Connection: ½" NPT (F) × 2, M20 × 1.5 (F)
Enclosure Material: Aluminum or Stainless Steel (94V0)
Ingress Protection: NEMA 4 / 4X (IP67)
Installation Category: Class II

Operating Conditions

Temperature Limits:
• PP Rod: –40 to +190°F (–4 to +88°C)
• PTFE Rod: –40 to +350°F (–40 to +177°C)
Maximum Pressure: 3 bar
Operation Principle: Pulse Radar (26 GHz)

Electrical Specifications

Power Supply:
• 24V DC (±10%)
• 24V DC two-wire loop powered
Transmitter Power: 50 µW average
Accuracy:
• ±0.1% of max range (lab)
• ±0.25% of max range (field)
Outputs: 4–20 mA / 20–4 mA (isolated on 4-wire)
Communication: MODBUS RTU

Calibration & Diagnostics

Calibration: Via communication port
Diagnostics: Echo profile available via communication port

Antenna & Construction

Antenna Options:
• PTFE dielectric rod
• SS316 horn antenna for low dielectric materials
Probe Material: PP / PTFE / SS316 depending on antenna type

Local Indication

Display: LCD