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Key Features of the H3 Flex Series Inclinometer

The Smart Choice for Demanding Environments and Seamless OEM Integration

The H3 Flex Series Inclinometer is engineered for professionals who demand performance they can trust. With a configurable ±180° range and multiple output options, including RS-485 digital, analog voltage or current, and a programmable switch, the H3 adapts easily to complex OEM systems and field-ready installations. Every unit is 100% tested and Verified Accurate to ±0.05° across the full operating temperature range, giving you confidence that your measurements will be consistent, reliable, and backed by proof – not assumptions.

Wide Measurement Range

±180° single-axis angle sensing for broad application

High Accuracy You Can Trust

Factory verified to ±0.05° accuracy across full temp range (–40°C to +85°C)

Verified Performance

100% of units tested and verified before shipment

RS-485 Digital Communication

Half-duplex interface with 32-bit IEEE packetized float output

Configurable Analog Output

Selectable voltage (0–10V) or current (4–20mA) output

Programmable Switch Output

Open collector trip thresholds/windows:
above | below | between | outside

Built for Harsh Environments

IP67-rated aluminum housing with EMC and surge protection

Compact, Easy-to-Mount Design

Only 2.60” x 1.95” x 1.10”, mounts to vertical surfaces with two screws

Flex Series Configurability

Fully configurable via Flex Series Configurator Kit or factory preset to your specifications.

Every Unit is Verified Accurate, Configurable, and Built to Last

Engineered to Perform. Designed to Adapt.

H3 Flex Inclinometer: Rugged Precision Meets Flexible Output

The H3 Flex Series Inclinometer is more than just accurate – it’s built for real-world use in demanding environments.

With ±0.05° verified accuracy, a fully configurable ±180° temperature compensated measurement range, and a triple-output architecture, it gives you everything you need for seamless OEM integration or field-ready performance. Backed by 100% unit testing and Rieker’s Flex Series toolkit, the H3 is the smart choice for OEMs, engineers, and field operators who demand dependability, configurability, and verified performance in the sensors they choose.

Ready to integrate a high-accuracy, temperature-compensated inclinometer into your system?

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H3 Inclinometer positioned with solar panel array, illustrating renewable energy tilt sensing application

H3 Flex Inclinometer Applications

Applications in Harsh and Demanding Environments

  • Platform Leveling

  • Solar Panel Tracking

  • Antenna Alignment

  • Boom Angle Monitoring

  • Industrial Machinery Positioning

  • Military and Field Equipment

Multiple Outputs. Fully Configurable.

  • RS-485 half-duplex digital interface

  • 0–10V or 4–20mA analog outputs

  • Programmable switch output with trip thresholds

  • All outputs configurable via Flex Series Toolkit

  • Factory pre-configuration available for OEMs

Verified Accuracy You Can Trust

  • ±0.05° typical accuracy (±0.09° max)

  • Factory tested and verified with traceable serial number

  • Available individual test report

  • Fully temperature-compensated MEMS sensing

  • Ideal for compliance workflows, system validation, and integration

Specifications Overview

Specification Summary

  • Verified accuracy ±0.05°
  • Resolution: <0.005°
  • Input voltage: 11–36VDC
  • Response time: 4Hz to 0.3Hz
  • Operating temp: –40°C to +85°C
  • Weight: 148g
  • IP67 enclosure

  • Supply Voltage: +11 to +36 VDC (non-regulated)

  • Supply Current:

    • 13 mA @ 24 VDC (digital output only, no load)

    • 35 mA max @ 24 VDC (digital + analog outputs enabled)

    • 40 mA max @ 12 VDC (digital + analog outputs enabled)

  • Protection:

    • Reverse polarity protection

    • ESD and surge protection

  • Power / Signal Common: Shared return line

  • Housing Material: Aluminum (IP67 rated)

  • Weight: 5.2 oz (148 grams)

  • Mounting Orientation: Vertical plane

  • Mounting Holes: Two #6 or M3.5 screws

  • Dimensions: 2.60” x 1.95” x 1.10” (66mm x 49.5mm x 27.9mm)

  • Connector: Male 8-pin header (see brochure for pinout)

  • Operating Temperature: –40°C to +85°C (–40°F to +185°F)

  • Storage Temperature: –45°C to +90°C (–49°F to +194°F)

  • Environmental Sealing: IP67

  • Vibration & Shock Resistant: Yes

  • EMC Protection: Yes (shielded design)

  • Measurement Range: Configurable within ±180°

  • Verified Accuracy (Full Temp Range):

    • Typical: ±0.05°

    • Maximum: ±0.09°

  • Resolution: < 0.005°

  • Response Time: 6 selectable rates (4Hz to 0.3Hz)

Analog Output (Voltage/Current)

  • Output Types:

    • Voltage: 0–5 V, 0–10 V (configurable within 0–10V)

    • Current: 4–20 mA, 0–20 mA (configurable within 0–24 mA)

  • Analog Accuracy (Temp): < ±0.015% FS

  • Analog Null Accuracy (25°C): < ±0.005% FS

  • Analog Resolution: 16-bit

  • Load Resistance (Current): 1kΩ minimum

  • Sensitivity: Fully configurable to scaled range

Switch Output

  • Type: Open collector to signal common

  • Trip Modes: Configurable – above, below, window, outside range

  • Drive Capability: 250 mA @ 36 VDC max

  • Output Type: RS-485 Half-Duplex (2-wire)

  • Inclination Output: 32-bit IEEE Float (packetized)

  • Baud Rate: 125K default (configurable: 9600 to 250K)

  • Byte Format: 8 data bits, no parity, 1 stop bit, no flow control

  • Packet Format: Refer to installation manual

  • Information Rate: Polled, up to 20 Hz

Let’s Find the Right Fit for Your Application

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Contact our team for custom specifications or enhanced accuracy requests