The Senseca HD2070.O1 "Spectral Analysis" Option (developed within the high-precision Delta Ohm product range, part of the GHM Group Germany) is an advanced firmware/software expansion designed specifically for the HD2070 3-channel portable vibration analyzer. This module transforms the instrument into a comprehensive real-time frequency spectrum analysis workstation, strictly adhering to the highest international metrological standards.

1. REAL-TIME ACCELERATION SPECTRUM ANALYSIS CAPABILITY
With the HD2070.O1 option activated, the HD2070 instrument simultaneously decomposes complex acceleration vibration signals into discrete frequency bands across all 3 measurement channels:
• 1/1 Octave Bands: Analyzes the acceleration spectrum continuously across the frequency range from 0.5 Hz to 2 kHz, allowing engineers to instantly determine whether vibration energy is predominantly concentrated in low, medium, or high frequencies.
• 1/3 Octave Bands (Third-Octave): Provides higher spectral resolution from 0.5 Hz to 3.15 kHz, delivering granular insights into specific narrowband vibration spikes generated by mechanical components such as bearing raceways, gear teeth meshing, or unbalance harmonics.

2. CLASS 1 ACCURACY ACCORDING TO IEC 61260
The embedded digital filter banks in the HD2070.O1 comply with Class 1 requirements set forth by the international IEC 61260 standard:
• Features steep filter roll-off characteristics, minimal passband ripple, and excellent out-of-band attenuation.
• Guarantees data reliability, repeatable precision, and legal traceability for compliance reporting, environmental noise/vibration monitoring, and advanced industrial R&D.

3. ISO 9001 CALIBRATION REPORT INCLUDED FOR BOTH FILTER BANKS
Every HD2070.O1 option is supplied complete with a factory ISO 9001 calibration certificate verifying that both individual filter banks (Octave and Third-Octave banks) strictly conform to IEC 61260 specifications, ensuring out-of-the-box metrological confidence.

4. ADVANCED PRACTICAL APPLICATIONS
• Root Cause Failure Analysis: Rapidly identifies machinery mechanical defects such as dynamic unbalance, shaft misalignment, structural looseness, and gearbox pitting.
• Vibration Isolation Engineering: Facilitates optimal selection and design of anti-vibration damping mounts based on live frequency spectrum profiles.
• Human Vibration Risk Profiling: In-depth breakdown of transmitted hand-arm and whole-body vibrations across distinct frequency spectra to implement effective ergonomic protection measures.

• Manufacturer: Senseca (Delta Ohm / GHM Group)
• Upgrade Option Code: HD2070.O1 (Spectral Analysis Option for HD2070)
• Origin: Germany (100% Germany Origin)
• Product Type: Real-time acceleration frequency spectrum digital filter module
• Compatibility: Fully compatible with the Senseca HD2070 3-channel vibration analyzer

[FREQUENCY FILTER SPECIFICATIONS]
• 1/1 Octave Bands:
  - Measuring Range: 0.5 Hz … 2 kHz
  - Accuracy Class: Class 1 in accordance with IEC 61260
• 1/3 Octave Bands (Third-Octave):
  - Measuring Range: 0.5 Hz … 3.15 kHz
  - Accuracy Class: Class 1 in accordance with IEC 61260
• Analysis Mode: Real-time simultaneous multi-channel spectrum filtering across all 3 channels

[STANDARDS & TRACEABILITY]
• Standard Compliance: IEC 61260 Class 1 (Octave-band and fractional-octave-band filters)
• Calibration Documentation: Factory ISO 9001 Calibration Report according to IEC 61260 included for both filter banks (Octave and 1/3 Octave)

[DATA VISUALIZATION & SOFTWARE INTEGRATION]
• On-screen Display: Real-time graphical bar spectrum and tabular data visualization on the HD2070 unit LCD
• Logging: Stores full time-stamped spectral matrices onto the 8GB SD card
• PC Software Integration: Seamless post-processing with "Noise Studio" PC software for 3D waterfall plots, spectral comparison, and automated reporting