Grease bearings right. The SDT LUBEchecker ensures bearings receive the right amount of grease at intervals dictated by condition, not run time. FREE SHIPPING*

Grease Bearings Right

The SDT LUBEchecker ensures bearings are given the correct amount of grease at intervals dictated by condition, not run time.


  • Focused

    Poor lubrication practices are a leading cause of bearing failure. LUBE Checker is an ultrasound solution focused on optimizing grease replenishment. It is the perfect companion for performing lubrication on condition based intervals.

  • Simple

    SDT LUBEChecker is so easy to use. Simply open the box, connect it to your grease gun, and hear the difference. Its vibrant color display offers repeatable, accurate, digital measurements that guide you to a precision result every time.



    Failed bearings and excessive grease consumption gnaw away at your bottom line. LUBEChecker is the affordable solution. Built with SDT quality, it’s offered at a price that makes you want to Hear More.


The SDT LUBEchecker is an acoustic lubrication tool designed to optimize bearing lubrication. The LUBEChecker uses the LUBESense1, a robust, repeatable sensor built to withstand harsh conditions.


LUBEChecker system components:

SDT LUBEChecker Receiver

Battery Alkaline 1,5V AA, 2 Pack

LUBEsense1 Contact Sensor, Threaded, w/o Cable

Cable For Sensor, Lemo to Lemo, Coiled

Magnetic Base, Flat Surface

Magnetic Base, Multi Surface

Lube Adapter w/ Grease Coupler – Zerk type, button type adapter available

Checker Grease Gun Mounting Cradle

Checker Magnetic Mount

Headphones, Neckband

USB Cable

Screwdriver For Battery Cover

SDT915 Custom Carrying Case


Contact us for more information.

*FREE ground shipping in the continental US.

SDT LubExpert Ultrasound tool(Opens in a new browser tab)

Additional information



Tech Specs

Function Ultrasound measurement device
Display 160×128 pixel Color OLED
Keyboard 5 function keys
Typical measurement range -6 to 99.9 dBμV (reference 0 dB = 1 μV)
Resolution 0.1 digits
Measurement bandwidth 35 to 42 kHz
Signal amplification +30 (built-in sensor gain) dB to +102 dB by step of 6 dB
RMS period time 250 milliseconds (main screen) / 3 sec (bar graph)
Sampling frequency 64 kHz
ADC Resolution 12 bit
Minimum sensitivity -31dB (@40 kHz, 0 dB-1 V/µbar)
Operating temperature range -10 to +50 °C |14 to 122°F
IP rating IP42
Standards EN 61326-1:2013, EN 55011:2016 + A1:2017, EN 61000-4-2:2009, EN 61000-4-3:2006 + A1:2008 + IS1:2009 +A2:2010
Housing material ABS
Dimensions housing 158 x 59 x 38,5 mm |6.22” x 2.32” x 1.51”
Flexible rod length (Removable sensor) 445 mm |17.51”
Weight 350g | 12.35 oz
Battery/Utility connector USB Mini-B 5-pin
Battery 2 AA batteries
Autonomy 7 hours
Operable with SDT provided head set only
Maximum audio output (protection) +83dB SPL with SDT headset
Headset 25dB NRR Peltor HQ headset
Warranty Lifetime


LUBEChecker Brochure

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