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Blue Sea 0–150A DC Ammeter with Shunt
Blue Sea 0–150A DC Ammeter with Shunt
Analogue Panel Gauge with 4-Wire Sensing & 12V/24V Backlit Face
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DESCRIPTION
Precision High-Current Monitoring for Marine and Off-Grid DC Systems
Maintaining complete visibility over your electrical system's current draw is essential for protecting battery banks and diagnosing electrical loads. The Blue Sea Systems 0-150A DC Ammeter provides reliable, real-time analogue current indication for demanding marine, caravan, RV, and off-grid power setups. By utilising an external DC shunt (included), this meter allows you to monitor heavy loads up to 150A without routing bulky, high-amperage battery cables directly behind your dashboard or control panel.
Safe and Simplified Four-Wire Shunt Architecture
Unlike basic in-line ammeters that require running thick gauge wiring to the display unit, a shunt-based ammeter isolates the high-current path from the user interface. The included external shunt installs directly into the main negative or positive circuit, while a simple four-wire connection links the shunt to the back of the meter. This intelligent configuration allows the gauge to both sense the voltage drop across the shunt and draw its operating power from the same connection, reducing installation complexity, minimising voltage drop across long cable runs, and mitigating fire risks behind your switchboard.
Clear Visibility in All Lighting Conditions
Designed for practical use in wheelhouses, cabin interiors, and vehicle dashboards, this analogue DC ammeter features a clear, high-contrast pointer against a sharp 0 to 150A measurement scale. For night navigation or dimly lit battery compartments, the backlit meter face ensures effortless readability. The backlighting is powered via separate 12V or 24V DC connections, giving system designers the flexibility to wire the gauge illumination directly into the vessel or vehicle dash light circuit independent of the main shunt sensing wires.
Key Features and Benefits
- High-Capacity 0-150A Scale: Accurately tracks heavy DC loads, alternator outputs, or charging currents in high-demand electrical systems.
- External DC Shunt Included: Keeps heavy-duty cabling close to the battery bank, improving safety and simplifying panel wiring.
- Streamlined 4-Wire Connection: Draws both current sensing data and meter operating power directly from the shunt connection.
- Dual-Voltage Backlighting: Features dedicated 12V or 24V DC terminals for seamless integration with existing dashboard illumination switches.
- Front-Accessible Zero Adjustment: Equipped with a centred adjustment screw on the bezel for straightforward pointer calibration.
- Secure Panel Mounting: Built with integrated mounting hardware to ensure a stable fit in high-vibration marine and mobile environments.
Why Choose a Dedicated Analogue Ammeter?
While digital multi-monitors have their place, a dedicated analogue ammeter offers instantaneous visual feedback at a glance. Operators can immediately spot unusual load spikes, verify if high-draw appliances like winches, inverters, or watermakers are operating within expected parameters, and monitor system performance without scrolling through digital menus. Compared to unbranded alternatives that often suffer from pointer bounce and calibration drift, Blue Sea Systems instruments are engineered for long-term stability in harsh marine and mobile environments.
Ideal Applications
- Marine Vessels: Monitor house battery loads, windlasses, thrusters, and high-output marine alternators from the helm or navigation station.
- Caravans and Motorhomes: Keep track of 12V or 24V auxiliary power consumption, inverter draw, and DC-DC charging systems.
- Service Vehicles and 4WDs: Observe heavy-duty accessory loads such as air compressors, winches, and work lighting arrays.
- Off-Grid Cabins and Skids: Provide a permanent, easy-to-read visual reference point on main DC distribution enclosures.
Upgrade Your Electrical Panel
Equip your dashboard or distribution panel with dependable current monitoring. Add the Blue Sea 0-150A DC Ammeter with Shunt to your system today for safer, cleaner, and more accurate DC load management.
SKU: BS-8018B
SPECIFICATIONS
| Specification | Details |
|---|---|
| Product type | DC ammeter |
| Current range | 0–150A |
| Connection | 4-wire connection from shunt |
| Meter sensing and power | From shunt connection |
| Included component | DC shunt |
| Meter face | Backlit |
| Backlight connections | Separate 12 or 24V DC connections |
| SKU: | BS-8018B |
| Model #: | BS-8018B |
| MPN: | BS-8018B |
| Package weight: | 0.42 kg |
| Package length: | 0.18 m |
| Package width: | 0.12 m |
| Package height: | 0.09 m |
WARRANTY
Blue Sea Warranty Policy
Blue Sea Systems products sold by us are supplied with a warranty against defects for the warranty period shown below, subject to the product type, application and the terms of this warranty policy.
The express warranty provided by us is limited to a maximum of 5 years from the original date of purchase, unless otherwise required under Australian Consumer Law.
Blue Sea Systems may offer longer manufacturer support on some products at their discretion
Warranty Lengths by Product Range
| Blue Sea Product Range | Warranty Length | Application / Notes |
|---|---|---|
| Most Blue Sea Systems Products | 5 years | Applies to most Blue Sea Systems products found to be defective in materials or manufacture. |
| P12 Battery Chargers | 5 years | Warranty period starts from the original date of purchase. |
| P12 Remote Displays | 5 years | Warranty period starts from the original date of purchase. |
| Digital Meters | 3 years | Warranty period starts from the original date of purchase. |
| Vessel System Monitors | 3 years | Warranty period starts from the original date of purchase. |
Warranty Assessment and Remedy
If a Blue Sea Systems product is found to be defective in materials or manufacture within the applicable warranty period, we will, at our discretion, arrange a repair, replacement, store credit or refund, depending on the nature of the fault and the requirements of Australian Consumer Law.
Products may need to be returned for assessment before a warranty claim can be approved. Where required, the product must be returned with dated proof of purchase and a clear description of the fault.
Labour costs for removing, replacing, reinstalling or diagnosing a product are not covered by this express warranty unless otherwise required under Australian Consumer Law.
Making a Warranty Claim
To make a warranty claim, please contact us with your dated proof of purchase, product details and a description of the fault.
The product may need to be returned for inspection before the claim can be assessed. If the product is confirmed to be faulty and covered by this warranty, we will advise the available remedy.
What This Warranty Does Not Cover
This warranty does not cover faults or damage caused by incorrect installation, incorrect application, misuse, abuse, neglect, unauthorised modification, accidental damage, normal wear and tear, environmental damage, or failure to use the product in accordance with the manufacturer's instructions.
- Incorrect installation or wiring
- Incorrect product selection or application
- Misuse, abuse or neglect
- Physical or accidental damage
- Water ingress or environmental damage outside the product's intended use
- Unauthorised modification or repair
- Normal wear and tear
- Labour costs for removal, replacement, reinstallation or diagnosis
- Freight, travel or call-out costs unless otherwise required by law
- Products not returned for assessment when reasonably required
Manufacturer Support
Blue Sea Systems may provide additional manufacturer support on some products beyond the warranty period listed above. Where available, we may assist customers in contacting the manufacturer, but any manufacturer support beyond the express warranty period is subject to the manufacturer's own terms and continued availability.
Australian Consumer Law
This warranty is in addition to other rights and remedies available at 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 the goods repaired or replaced if the goods fail to be of acceptable quality and the failure does not amount to a major failure.
DOCUMENTS
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