Level Sensor - RLT-1000

Brand: WIKA Alexander Wiegand SE & Co. KG

For industrial applications, stainless steel version.
Features
  • Media compatibility: Oil, water, diesel, refrigerants and other liquids. 
  • Permissible medium temperature range: -30 ... +120 °C. 
  • Output signal: Resistance in a 3-wire potentiometer circuit,. 
  • Measuring principle: Reed-chain technology. 
  • Accuracy, resolution: 12, 10, 6 or 3 mm. 

Specifications

Measuring Principle

  • Reed-Chain technology with optional analogue amplifier

Measuring Range M

  • The Measuring Range is determined from the selected guide Tube length L and the position of the 100 % Mark. for dimensions see drawing

Guide Tube Length L

  • 150 ... 1,500 mm [6 ... 59 in], greater lengths on Request

Output Signal

  • Current output, 4 ... 20 mA, 2-Wire Power Supply: DC 12 ... 32 V Load in Ω: ≤ (Power Supply - 12 V) / 0.02 A
  • Variable resistance The overall resistance of the reed chain is approximately 1 ... 10 k Ω, depending on the Measuring Range Max. Voltage < DC 40 V

Accuracy, Resolution

  • 3 mm [0.1 in]
  • 6 mm [0.2 in]
  • 10 mm [0.4 in]
  • 12 mm [0.5 in]
  • 24 mm [0.9 in]

Mounting Position

  • Vertical ± 30°

Process Connection

  • G 3/8, installation from inside
  • Flange DN 50, form B per DIN 2527/EN 1092, PN 16, installation from outside
  • G 2, installation from outside
  • G 1-1/2, installation from outside
  • G 1, installation from outside
  • G 1/2, installation from inside
  • G 1/4, installation from inside

Wetted Material

  • Process Connection, Guide Tube: Stainless Steel 1.4571 (316Ti)
  • Float: See table on page 3

Non-Wetted Material

  • Case: Stainless Steel 1.4571 (316Ti)
  • Electrical Connection: See table below

Permissible Temperatures

  • Medium:  -30° to +80° C [-22 … +176° F], option: -30° to +120° C [-22 … +248° F]
  • Ambient:  -30° to +80° C [-22 … +176° F]
  • Storage:  -30 … +80° C [-22 … +176° F]

  • Level measurement of liquids in machine building
  • Control and monitoring tasks for hydraulic power packs, compressors and cooling systems

Documentation

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