The Ultraprobe 401 Digital Grease Caddy (UP401) Ultrasonic Lubrication Instrument, engineered and manufactured by UE Systems Inc. (USA), is an advanced digital condition-monitoring tool specifically designed to transform industrial bearing regreasing into a precise, data-driven, Condition-Based Lubrication (CBL) protocol.

Unlike traditional analog lubrication aids, the Ultraprobe 401 introduces complete digital data acquisition directly to the lubrication process. The instrument simultaneously displays the Baseline dB, Before-lubrication dB, Real-time Live dB during grease injection, After-lubrication dB, and an automated stroke counter recording the exact amount of grease dispensed. This completely eliminates "blind" calendar-based greasing—the root cause behind more than 60% of premature bearing failures caused by over-lubrication, which ruptures protective bearing shields, creates intense hydraulic shear friction, and causes motor winding burnouts.

Key Engineering Features & Operational Advantages:
- Universal Grease Gun Mounting: Features a rugged, heavy-duty mounting bracket engineered to clamp firmly onto virtually any standard manual lever grease gun, pistol-grip gun, or cordless battery-powered grease gun. This creates an ergonomic, all-in-one lubrication station, allowing technicians to pump grease, inspect digital readouts, and listen to acoustic friction levels simultaneously without requiring an assistant.
- Comprehensive Multi-Parameter Digital Display: Backlit digital LCD screen presents critical metrics at a glance: real-time decibel level, before-greasing baseline, 16-segment dynamic bar graph, current route record location number, and grease stroke counts.
- Real-Time Friction Acoustic Guidance: Using a high-strength magnetic mount contact sensor placed on the bearing housing, the instrument continuously translates high-frequency mechanical friction ultrasound into audible acoustic sound. As fresh lubricant enters the raceways, the friction hiss subsides and the on-screen decibel level drops. The exact moment the decibel level bottoms out and levels off (or rises slightly by 1 - 2 dB, indicating cavity saturation), the technician stops pumping, ensuring optimal film thickness without overfill.
- On-Board Data Logging & Route Management: Accommodates up to 400 bearing test points on scheduled lubrication routes. Critical asset history (date, time, technician ID, before/after dB, and strokes applied) is digitally stored on-board and synchronized bi-directionally with a PC via Ultratrend DMS (Data Management System) software for complete audit tracking conforming to ISO 55001 asset management standards.
- Built-In Zerk Fitting Spotlight: Equipped with a forward-facing, high-intensity LED spotlight that illuminates recessed, shadow-covered grease fittings located deep inside conveyor frames or machine guards.
- Early Mechanical Fault Detection: If grease is applied and ultrasonic decibel levels fail to decline, or if rhythmic knocking and scratchy clicking persist, the instrument immediately flags the asset, alerting maintenance engineers to subsurface bearing defects (spalling, flaking, or cracked raceways) before catastrophic seizure occurs.

Typical Industrial Applications:
- Condition-based regreasing and data tracking for electric motor bearings, centrifugal pumps, industrial exhaust fans, compressors, and gearboxes.
- Managing pillow block and idler roller bearing lubrication in heavy-duty mining conveyors, cement mills, power plants, and pulp & paper mills.
- Monitoring high-speed automated packaging lines, bottling carousels, and food & beverage processing assets.
- Preventing blown bearing seals and grease migration into electric motor stator windings, eliminating unexpected electrical short circuits.

• Manufacturer: UE Systems (UE Systems Inc.)
• Country of Origin: USA
• Product Line: Ultraprobe 401 Digital Grease Caddy Series
• Model Designation: Ultraprobe 401: Digital Grease Caddy (UP401)
• Frequency Response: Centered at 30 kHz (specifically optimized to capture mechanical bearing friction ultrasound)
• Signal Processing Circuitry: Solid-state digital heterodyne receiver with 16-bit A/D conversion and temperature compensation
• Response Time: Less than 10 milliseconds (< 10 ms)
• Display Panel: Backlit dot-matrix LCD display
• Displayed Parameters: Live real-time dB, Before-lubrication dB, Baseline dB, 16-segment dynamic bar graph, Stroke counter (grease quantity), route record location number, and battery status
• Memory Capacity: Stores up to 400 bearing inspection points on scheduled routes
• Grease Volume Tracking: Built-in stroke counter (records manual pumps or calculated lubricant weight)
• Integrated Spotlight: Forward-facing high-intensity LED spotlight for illuminating dark grease fittings
• Included Sensor: Magnetic Mount Contact Transducer with high-flux rare-earth magnet
• Sensor Cable: Heavy-duty expandable coiled cable (extends up to 5 ft / 1.5 m)
• PC Connectivity: Bi-directional USB interface for synchronization with PC
• Compatible Software: Ultratrend DMS (Data Management System) condition-based lubrication software
• Audio Output: Standard phone jack compatible with industrial noise-attenuating headsets
• Headset Included: DHC-2HH deluxe industrial noise-attenuating headphones (over 20 dB noise reduction, hard-hat compatible)
• Mechanical Mounting: Universal heavy-duty metal clamp bracket fitting standard manual and battery-operated grease guns
• Power Supply: Internal rechargeable Lithium-Ion or Nickel-Metal Hydride (NiMH) battery pack
• Battery Operating Life: Approximately 6 to 8 hours of continuous operation (handles hundreds of bearing lubrication cycles per full charge)
• Operating Ambient Temperature Range: 0°C to 50°C (32°F to 122°F)
• Enclosure Material: Heavy-duty engineering ABS plastic resistant to workshop grease, industrial oils, and chemical spills
• Protective Case: Heavy-duty aluminum carrying case or dedicated industrial cordura holster pouch
• Instrument Net Weight: Approximately 1.25 lbs (0.57 kg)
• Complete Kit Shipping Weight: Approximately 7.0 lbs (3.2 kg).