Mopeka Sonic Grease (4 Pack)
Mopeka Sonic Grease (4 Pack)
Acoustic Couplant for Ultrasonic Sensors - 4 x 1 cc Single-Use Packets
View all products from Mopeka

DESCRIPTION
Mopeka Sonic Grease: Precision Couplant for Ultrasonic Tank Sensors
Reliable Signal Transmission for Accurate Level Monitoring
The Mopeka Sonic Grease (4 Pack) is a specialised acoustic couplant engineered to optimise the performance of Mopeka ultrasonic tank sensors. By filling microscopic air gaps between the sensor face and the tank surface, this sonic grease ensures consistent ultrasonic signal transmission, delivering precise and repeatable tank level readings in caravans, RVs, marine vessels, and off-grid installations.
Unlike dielectric grease or general-purpose lubricants, Mopeka Sonic Grease is formulated specifically for ultrasonic conductivity. It does not insulate or attenuate the acoustic pulse, which is critical for sensors that rely on sound waves to measure liquid levels through tank walls. Using incorrect compounds can lead to erratic readings, signal loss, or sensor damage, making this purpose-built couplant essential for reliable monitoring.
Why Acoustic Couplant Matters
Ultrasonic sensors operate by emitting high-frequency sound pulses that travel through the tank material and reflect off the liquid surface. Any air gap between the sensor and the tank wall scatters the signal, causing measurement errors. Mopeka Sonic Grease provides a stable, low-impedance interface that maximises acoustic energy transfer, even on rough or uneven surfaces. This is particularly important for propane tank monitoring, where accuracy is critical for safety and convenience.
Key Features
- Optimised for ultrasonic sensors – Formulated to match the acoustic impedance of Mopeka sensors, ensuring minimal signal loss
- Protects sensor integrity – Creates a moisture-resistant barrier that helps prevent corrosion on the sensor face, extending service life
- Single-use 1 cc packets – Pre-measured for one application, eliminating guesswork and reducing waste
- 4-pack convenience – Ideal for multi-tank setups or keeping spares on hand for reinstallation after tank swaps
- Wide application range – Suitable for steel, aluminium, and composite tanks commonly found in mobile and off-grid systems
When to Reapply Sonic Grease
Reapplication is recommended whenever a sensor is removed from the tank, such as during cylinder exchanges or system maintenance. The grease can also degrade over time in high-temperature or dusty environments. Keeping a 4-pack ensures you can restore peak sensor performance immediately, avoiding downtime and inaccurate readings.
Applications
- Caravans and RVs – Monitor fresh water, grey water, and propane levels with confidence
- Marine vessels – Reliable tank monitoring in humid, salt-laden conditions
- Off-grid cabins – Track water and fuel reserves without manual dipping
- Industrial and agricultural – Use on stationary tanks where ultrasonic sensors are deployed
Technical Insight: Not a Dielectric Grease
While dielectric grease is designed to insulate electrical connections, it can block ultrasonic signals. Mopeka Sonic Grease is a non-conductive acoustic couplant that does not interfere with the sensor's electronics but actively enhances the mechanical wave transmission. This distinction is vital for users comparing sonic grease vs dielectric grease for their monitoring systems.
Maintain Accurate Tank Monitoring
Equip your Mopeka sensors with the correct couplant to ensure every reading is dependable. Add the Mopeka Sonic Grease 4 Pack to your maintenance kit and eliminate the uncertainty of false or fluctuating tank levels.
SKU: 4xM2003045
SPECIFICATIONS
Specifications
| Brand | Mopeka |
|---|---|
| Product | Sonic Grease |
| Part Number | M2003045 |
| Application | Applied to the sensor face to improve ultrasonic performance |
| Pack Size | 4 Pack |
| Unit Volume | 1 cc |
| Unit Type | Single Use Units |
| SKU: | 4xM2003045 |
WARRANTY
Mopeka Warranty Policy
This warranty policy applies to Mopeka products sold in Australia through authorised dealers, resellers, distributors, approved websites, or approved sales channels. It applies to the original end-user purchaser of the product, as evidenced by the authorised dealer’s, reseller’s, or website invoice, and is not transferable without our written consent.
We warrant that Mopeka products supplied by us are free from defects in materials and workmanship under normal use and service, subject to the terms and conditions below. The benefits given by this warranty are in addition to any other rights and remedies available under law.
Our goods come with guarantees that cannot be excluded under the Australian Consumer Law. You are entitled to a replacement or refund for a major failure and compensation for any other reasonably foreseeable loss or damage. You are also entitled to have goods repaired or replaced if goods fail to be of acceptable quality and the failure does not amount to a major failure.
Warranty Coverage and Periods
This warranty covers Mopeka monitoring sensors, display products, and related electronic components. Warranty applies to manufacturing defects in materials and workmanship under normal recommended use.
- Mopeka Pro Check: 12 Month Warranty
- Mopeka Pro Check Universal: 12 Month Warranty
- Mopeka PRO200: 12 Month Warranty
- Mopeka LCD Display: 12 Month Warranty
- Mopeka TD40: 36 Month Warranty
Commencement of Warranty: The warranty period begins on the date of purchase by the original end-user, as shown on the authorised dealer’s, reseller’s, distributor’s, or website invoice. A valid proof of purchase from an authorised sales channel is required for all warranty claims.
Installation, Mounting and System Responsibility
Mopeka products may require mounting, pairing, configuration, connection to a display, app setup, or integration with a broader monitoring system. The installer, dealer, reseller, or end-user is responsible for ensuring that the product is suitable for the intended application and is installed, mounted, configured, and used correctly.
All Mopeka products must be installed and used in accordance with the product manual, Mopeka’s instructions, applicable safety requirements, and recognised industry best practice. Issues or damage arising from incorrect installation, unsuitable mounting, incorrect configuration, incompatible equipment, poor signal conditions, or failure to follow instructions are not product defects and are not covered by this warranty.
The installer or end-user is responsible for ensuring that sensors, displays, mounts, adhesive pads, wiring where applicable, connected devices, and any related equipment are compatible and suitable for the application. This warranty covers the Mopeka product only and does not guarantee the performance of the broader system, connected device, tank, cylinder, app, vehicle, vessel, or installation environment into which the product is fitted or used.
Products must be installed in a manner that allows reasonable access for inspection, testing, servicing, removal, and replacement. We are not responsible for additional labour, access equipment, removal of fixtures, or other costs caused by installation methods that restrict reasonable access to the product.
Warranty Exclusions
This warranty covers manufacturing defects or failures of the product arising from normal use in accordance with Mopeka’s instructions. It does not cover failure, damage, performance issues, deterioration, or loss caused by external factors, misuse, incorrect installation, or circumstances outside our control.
Warranty exclusions include:
- Improper installation, mounting or handling: Damage or malfunction caused by incorrect installation, unsuitable mounting surfaces, incorrect sensor placement, poor adhesion, incorrect configuration, failure to follow the product manual, mishandling during installation, or damage during removal or reinstallation.
- Misuse, abuse or neglect: Use outside product specifications, use for purposes the product was not designed for, physical abuse, dropping, crushing, impact damage, careless handling, neglect, deliberate damage, or continued use after a fault becomes apparent.
- Unauthorised modification or repair: Modification, alteration, disassembly, opening, repair, reprogramming, tampering, replacement of parts with non-original parts, or any other unauthorised interference with the product.
- Incompatible or third-party components: Failure or damage caused by incompatible connected devices, displays, apps, mounts, adhesives, accessories, power sources, wiring, software, firmware, or other third-party components not approved for the application.
- Environmental damage or exposure: Damage caused by environmental conditions outside the product’s specified tolerances, including water ingress where the product is not rated for the exposure, corrosion, excessive heat or cold, chemical exposure, excessive dust or contamination, fire, smoke, lightning, flood, storm, impact, vibration beyond specification, pest or animal damage, or improper storage.
- Signal, app or configuration issues: Issues caused by poor installation location, signal obstruction, incompatible phones or displays, incorrect app setup, outdated software or firmware, incorrect settings, or interference from the surrounding environment are not covered unless the underlying fault is confirmed to be a manufacturing defect in the Mopeka product.
- Consumables and normal wear: Replaceable batteries, adhesive pads, consumable items, cosmetic wear, fading, marks, scratches, and normal deterioration from use are not covered unless the item was defective when supplied.
- Lack of required maintenance: Failure caused by lack of reasonable inspection, cleaning, battery replacement, firmware or software updates where required, or continued use after visible damage or malfunction may void or limit warranty coverage.
- Serial number or identification removed: Where applicable, the product’s serial number, batch number, compliance label, rating label, or identification marking must remain intact, legible, and unmodified. Removal, defacement, alteration, or tampering with product identification may make the product ineligible for warranty service.
- Unauthorised resale or non-authorised dealer purchases: This warranty applies only to genuine new Mopeka products sold through authorised dealers, resellers, distributors, approved websites, or approved sales channels. Products purchased second-hand, from unauthorised marketplaces, auctions, liquidation sales, parallel imports, grey-market sellers, or unapproved channels may not be covered.
- Industrial, commercial or abnormal applications: Unless expressly approved in writing, this warranty applies to products used in normal recommended applications. Use in heavy industrial, hire fleet, continuous-duty, high-cycle, commercial, public infrastructure, or other high-stress environments may be excluded or subject to a separate warranty.
- Other exclusions: Accident, collision, fire, explosion, vandalism, theft, natural disaster, Force Majeure events, acts of God, transport damage after delivery, misuse by third parties, and other events beyond our control are not covered.
Making a Warranty Claim
Important: If you suspect a fault with a Mopeka product, do not immediately remove or uninstall the product unless it is unsafe to leave it in place or unless authorised by us or an authorised dealer. Premature removal can cause further damage, prevent proper assessment, and may make it impossible to determine the original cause of the issue.
- Contact the Dealer or Reseller: Warranty claims should be initiated through the authorised dealer, reseller, distributor, website, or place of purchase.
- Provide Product Information: The customer must provide proof of purchase, product model, serial number if applicable, a clear description of the issue, photos or videos of the fault, installation or mounting photos where relevant, and details of any connected display, app, or equipment.
- Assessment and Troubleshooting: The dealer, reseller, distributor, or our support team may conduct an initial assessment. This may involve safe checks, confirming settings, checking battery condition, testing the product in a different configuration, inspecting mounting position, or confirming installation details.
- Photographic Evidence: The customer may be required to provide clear photos of the product before removal, including the installed location, mounting points, surrounding area, labels, serial numbers, and any visible damage.
- Return for Testing, Repair or Inspection: If the fault cannot be confirmed by correspondence, photos, or remote troubleshooting, the product may need to be returned for inspection, testing, repair, or replacement assessment. The dealer, reseller, distributor, website, or place of purchase will provide return instructions.
- Evaluation and Outcome: Once received, the product will be inspected and tested to determine whether the fault is covered by this warranty. If the fault is confirmed to be due to a manufacturing defect or covered failure, we will provide an appropriate remedy. If the product is found not to be faulty, or the issue is caused by an excluded factor, the claim may be rejected.
Remedies Under Warranty
If a defect covered by this warranty is confirmed, we may, at our discretion, provide one or more of the following remedies:
- repair;
- replacement;
- refund;
- credit;
- supply of replacement parts;
- another appropriate remedy required by law.
Repair: If the defect can be resolved by repair, we may repair the product or relevant components. Repairs will be performed by us, an authorised service provider, or another approved party.
Replacement: If the product or major component is not reasonably repairable, we may provide a replacement. The replacement may be the same model, a superseded equivalent, a product with similar specifications, a new unit, or a refurbished or factory-reconditioned unit where permitted by law.
Refund or Credit: In some cases, we may provide a refund or credit. Refunds will usually be handled by the original place of purchase. The refund amount will not exceed the original purchase price paid for the affected product unless otherwise required by law.
No Charge for Approved Claims: For approved warranty claims, the repair, replacement, refund, or approved remedy will be provided at no charge to the customer.
No Extension of Original Warranty: Repair or replacement under this warranty does not restart or extend the original warranty period. The warranty continues from the original purchase date.
Limit of Liability
To the extent permitted by law, our liability under this warranty is limited to the repair, replacement, refund, credit, or approved remedy relating to the defective Mopeka product supplied.
We are not responsible for special, indirect, incidental, or consequential loss arising from product failure, installation issues, misuse, system design, or breach of warranty. This includes, to the extent permitted by law, labour costs, removal or reinstallation costs, travel costs, freight not approved by us, access equipment, loss of revenue, loss of profit, downtime, loss of use, damage to other equipment, property damage, personal injury, loss of data, or economic loss.
Nothing in this warranty excludes, restricts, or modifies any rights or remedies that cannot be excluded under Australian Consumer Law.
Contact
For warranty support, contact the authorised dealer, reseller, distributor, website, or place of purchase.
Thank you for choosing Mopeka products.














































