Machine Health 
Ultra Low | Augury

Complete the detection picture with Augury’s ultrasonic and vibration sensing capabilities for critical low-RPM machines.

Advanced AI diagnostics for clear, prescriptive insights and root causes — down to 1 RPM

Robust ultrasonic sensors for continuous monitoring — up to 100kHz

No more guesswork and manual inspections — fully connect, monitor, and protect your slowest critical assets

Part of Augury’s Machine Health 360, expanding coverage and control to more assets and more environments

Bearing lubrication Bearing wear Axial unbalance
Damaged rotor bars Electrical faults Electrical discharge via bearings
Gear friction Structural mechanical looseness Loose rotor bars
Loose stator windings Misalignment Worn/Eccentric Motor Sheave
Rotor mesh abnormality Rotor eccentricity Radial unbalance
Rubbing/Friction Shaft eccentricity (Motor) Significant change in vibrations
Stator eccentricity Impacting Kiln refractory looseness

*Full diagnostic fault coverage is available through a combination of Halo R4000 motor sensors and Halo U2000 low RPM sensors.

The new Halo U2000 sensor delivers full-spectrum ultrasound data to effectively monitor your low RPM critical machinery.

Sensing

Sensor Element/Structure: PZT Ceramic/Shear Mode

Dynamic Range: ± 80g, peak; *Vsource ≥ 22V, 12V bias

Frequency Response: ± 3dB (0.5Hz – 22 kHz)

Frequency Response: ± 10% (1 Hz – 16 kHz)

Peak Sensitivity: ± 21dB ± 2 dB

Electrical

Sensitivity (± 10%): 100 mV/g

Spectral Noise @ 10 Hz: 30 μg/√Hz

Spectral Noise @ 100 Hz: 4 μg/√Hz

Spectral Noise @ 1000 Hz: 2 μg/√Hz

Case Isolation: > 108 ohm

Environmental/Physical

Operating Temperature Range: -50°C to +121°C (-58°F to +250°F)

Maximum Shock Protection: 10,000g, peak

Electromagnetic Sensitivity: CE

Sealing: Welded/Hermetic

Submersible Depth: 200 ft. (60 m)

SIL Rating: SIL 2

Case Material: 316L Stainless Steel

Mounting Thread: 1/4-28 UNF

Connector (non-integral): 2 Pin mini-MIL, J series connector

Resonant Frequency: 2,520,000 CPM ± 12,000 CPM (42 kHz±2kHz)

Calibration Certificate: CA10

The new Halo Hub 1.0 is designed for simultaneous analog signal acquisition from Augury’s proprietary wired sensors. It is a fully integrated unit that combines 24-bit analog-to-digital signal conversion and acquisition, wifi and cellular connectivity, and power supply.

Ultrasound Sampling

Channels/Sensors per Node: 4 channel, simultaneous

Resolution: Up to 24 bits

Sampling Rate: Up to 100 kHz per sensor

Sampling Duration: Up to 300 seconds

Max Frequency Resolution: < 0.1 Hz

Peak Sensitivity: 20 – 30 kHz

Max Cable Length: 30 feet

Total Harmonic Distortion Plus Noise (THD+N): -95 dB

Electrical

Input Type: VAC

Input Voltage (AC): 85 – 264 VAC

Power (Watts): 60W

Environmental / Physical

Operating Temperature Range: 0°C to +60°C (32°F to +140°F)

Storage Humidity: 5 – 95% RH (non-condensing)

IP Rating: IP65

Data Connectivity

Connectivity: Integrated Wi-Fi 802.11a/b/g/n

LTE Cat. 1 for the US, EU, and APAC regions

WLAN Standards: 802.11a/b/g/n, Bluetooth 4.2 compliance

Frequency Band: 2.4 GHz/5 GHz

SIM Format: Nano x 2

Cellular Carrier Approvals

US: Verizon, AT&T

See how a mining and metals manufacturer leveraged Augury’s low RPM solution to uncover a critical gear issue, saving $108K.