Proven Mechanical Inclinometers for Reliable Angle, Level, Slope Indication – and more.

Rieker mechanical inclinometers deliver simple, reliable, and trouble-free angle indication for slope, level, boom position, pitch, roll, heel, and attitude across demanding land, air, and sea applications.

Products

Features

Options

1000 Series

View Series

Features

  • Glass tube & ball construction with engraved degree markings for clear, repeatable readings
  • Single-axis mechanical inclinometer, ±10° standard range (others available)
  • Housing: 6061 die-cast aircraft-grade aluminum (rugged and all-weather)
  • Operating Temperature: −45 °C to +75 °C
  • Mounting: panel or adhesive
  • Visibility: large engraved scale for quick read in any orientation

Options

  • Scale Ranges: ±5° | ±10° | ±20° | ±26° | ±45°
  • Scale Increments: 5° standard | 1° available on request
  • Custom color zones (e.g., red/yellow/green warning areas) available across models
  • FAA 8130-3 certification (1040 model)
  • OEM face graphics and branding available

2000 Series

View Series

Features

  • Mechanical ball-in-tube clinometer for precise, direct visual indication of angle or slope
  • Fluid-damped motion ensures smooth, accurate readings in rugged environments
  • Single-axis measurement, engraved degree or percent-grade scales
  • Housing: impact-resistant polycarbonate body, sealed to IP68 for outdoor and marine use
  • Operating Temperature: −45 °C to +82 °C (−50 °F to +180 °F)
  • Mounting: quick two-screw surface mounting for field replacement or OEM integration

Options

  • Scale Ranges: ±5° | ±10° | ±26° | ±45°
  • Scale Increments: 5° standard | 1° available on request
  • Dual scale options: degree and percent grade (±26°, ±45% grade)
  • Custom color zones: red/green for safety or alignment reference
  • UV-stable markings and OEM branding available

2100 Series

View Series

Features

  • Ball-in-tube mechanical inclinometer providing precise visual slope or tilt indication
  • Single-axis measurement, available in degree or percent-grade scales
  • Housing: rugged, UV-resistant polycarbonate case, sealed to IP68 for all-weather use
  • Operating Temperature: −45 °C to +82 °C (−50 °F to +180 °F)
  • Backlit models available for night or low-light operation
  • Mounting: two-screw design for simple OEM or field installation

Options

  • Scale Ranges: ±10° | ±26°
  • Scale Increments: 5° standard | 1° available on request
  • Dual scales: degrees and percent grade
  • Custom color zones: red/green for angle warning or level reference
  • Backlit models (12–24 V DC) for improved visibility
  • OEM face graphics and branding available

4100 Series

Boom Angle Indicators

View Series

Features

  • Large-format mechanical boom angle indicator for quick, precise visual reference of boom or platform angle
  • Single-axis measurement, −30° to +90° full-scale range
  • Housing: rugged polycarbonate enclosure with UV-resistant faceplate
  • Operating Temperature: −45 °C to +82 °C (−50 °F to +180 °F)
  • Complies with OSHA 1926.550 requirements for cranes and derricks
  • Optional backlit models (12 V DC) for nighttime or low-light visibility

Options

  • Scale Range: −30° to +90° (5° increments standard)
  • Mounting: two-screw, right-hand or left-hand configurations
  • Backlighting: internal 12 V DC illumination available (FEMA fire apparatus compatible)
  • Custom face graphics: warning zones, company branding, or OEM logos
  • Accessories: replacement brackets and indicator kits available

5000 Series

Aircraft Attitude Indicators for Fuel Calibration

View Series

Features

  • Precision mechanical inclinometers providing direct visual angle indication with ±5° full-scale range
  • Scale increments: 0.5° for fine resolution and easy readability
  • Housing: black compression-molded acetal copolymer resin, extremely tough for all-weather environments
  • Operating Temperature: −50 °C to +70 °C (−58 °F to +158 °F)
  • Large, high-contrast engraved scale for fast, accurate readings
  • Mounting: panel-mount configuration for OEM or retrofit applications

Options

  • Scale Range: ±5° (0.5° increments)
  • Scale Style:
    • 5002P: Alphabetized scale (A–U, left-to-right)
    • 5002R: Numbered scale (0–20, left-to-right)
  • Housing: compression-molded acetal copolymer resin, weather-resistant black finish
  • Calibration: factory-verified accuracy
  • OEM customization: face markings, scale layout, branding available