Mini ampèremètre OLED- Max 100A - Mini OLED Ammeter - Yellow

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Blue Sea Systems

1732B-BSS

Mini OLED ammeter - Max 100A

Designed for precise DC current monitoring, the Blue Sea 100A OLED mini ammeter (1732B-BSS) provides a bright display and IP66 waterproofing. Suitable for 12/24V systems, it delivers 0.1A resolution with ±2% accuracy. Part of the Blue Sea Mini OLED Meters range, this modern unit ships with a 9230 shunt (100A/50mV).

Measurement: Ammeter

Ammeter Voltmeter Temperature

Color: Yellow

Yellow Blue

Retail priceBenefit from the professional rate

£70.63 GBP

£70.63 GBP ~~£86.06 GBP~~

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In stock

Free pickup point from €150 in France
Pickup at Skysat possible

Custom installation

Trust Skysat to install the equipment on board

Request a quote

Installers near you

thanks to our network of approved installers

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Support service

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Technical specifications

Product use	DC current measurement for marine electrical installations
Type de mesure	Current
Sous-type de mesure	Continue
Display type	OLED
Measurement range	0-100A
Plage de mesure max	100A
Unité de mesure	A
Shunt requis	Oui
Valeur du shunt	100A/50mV
Plage de tension d'alimentation	12/24VDC
Rétroéclairé	Oui
Couleur de la bague	Black
Mounting type	Flush-mounted
IP rating	IP66
Weight	0.32 kg
Warranty	5.0
Accuracy	+/- 2%
Certifications	CE marked, E marked
Cranking Current 30s	175
Daylight Readability	Yes
Intermittent Current 5min	110
Max Operating Current	15
Reverse polarity protection	Yes

Detailed description

Designed for precise DC current monitoring aboard, the Blue Sea 100A OLED mini ammeter (part number 1732B-BSS) provides a compact and high-performance solution for marine systems. It measures current on either the positive or negative side of the circuit, a critical function for outboard alternators, inboard alternators, system amperage, or service load consumption. Its bright OLED display remains readable in daylight, ensuring constant visibility even in challenging lighting conditions. The unit is protected against reverse polarity and rated IP66 for front-panel water resistance, making it suitable for marine environments. It is also E-marked, confirming compliance with European standards.

Technical specifications and performance

This ammeter handles a maximum continuous current of 100A, with intermittent ratings of 110A for 5 minutes and 175A for starting (30 seconds). It operates on a nominal 12V or 24V DC supply, with an extended operating range from 8V to 36V DC. The device draws a maximum of 15mA. It offers a resolution of 0.1A and an accuracy of ±2%, delivering reliable measurements for energy diagnostics and management. The product ships with a 100A/50mV shunt (model 9230) required for operation.

Marine design and integration

Thanks to its compact size, the Blue Sea OLED mini ammeter fits easily into most instrument panels. It installs in a 29mm (1-1/8 inch) diameter hole, simplifying installation in tight spaces compared to bulkier alternatives. Unlike voltmeters or tank level gauges, this ammeter focuses on a single critical metric, providing a dedicated and precise reading. OLED displays offer long service life.

Positioning within the Blue Sea range

The 1732B-BSS is part of Blue Sea’s Mini OLED Meters series, a comprehensive line of measurement instruments. Alongside the ammeter, Blue Sea offers similar products such as the voltmeter, thermometer, and tank level gauge. The consistent design and mounting interface allow users to build a cohesive and functional instrument panel, with each device fulfilling a specific monitoring role without encroaching on space. The 1732B-BSS is the preferred choice for those requiring strict control of current consumption or generation without the multifunction features of an MFD, offering a dedicated and compact solution.

Expert opinion

Pol CONIN

Digital Manager

« DC current monitoring for marine use: the Blue Sea 100A OLED ammeter »

Adding a dedicated DC ammeter like the Blue Sea 100A OLED Mini Ammeter (1732B-BSS) is a fundamental step for any boat owner concerned with onboard power management. This model stands out for its simple integration and clear display. It is particularly suited to mid-sized boats where monitoring alternators or service battery banks does not justify a complex and costly monitoring system. Its 100A capacity is adequate for most common charging and discharging circuits, though you must ensure the maximum continuous current does not exceed this value on the monitored circuits. For high-power applications above 100A continuous, other solutions with higher-capacity shunts should be considered.

Installation is simplified by a standard 29mm cutout diameter, common to many onboard instruments. However, it is essential to follow ABYC recommendations regarding the placement of 1A fuses on the A and B connection wires, within 7 inches of the shunt, especially if the shunt is installed on the battery’s positive side. This precaution is critical for system safety. The product ships with its shunt, avoiding a separate purchase and ensuring compatibility. Its IP66-rated front face provides water spray resistance, making it reliable for installation in cockpits or exposed areas. For comprehensive monitoring, this mini ammeter can be advantageously paired with the voltmeter, thermometer, and tank gauge from the same Blue Sea Mini OLED Meters range, offering both aesthetic and functional uniformity at the helm.

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Mini OLED ammeter - Max 100A

£70.63 GBP

£70.63 GBP ~~£86.06 GBP~~

Frequently Asked Questions

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What is the primary function of the Blue Sea 100A OLED mini ammeter?

The Blue Sea 100A OLED mini ammeter is designed to accurately monitor the direct current (DC) onboard your vessel. It displays measurements on a bright OLED screen that remains readable even in full daylight.

What is the maximum current measurement capacity for this ammeter?

This ammeter can handle a maximum continuous DC current of 100A in normal operation. It also supports intermittent currents of 110A for 5 minutes and starting currents of 175A for 30 seconds.

What type of display does this ammeter have, and is it readable in outdoor conditions?

The ammeter is equipped with an OLED (Organic Light Emitting Diode) display. This display is bright and designed to be readable in daylight, ensuring good visibility even in harsh lighting conditions typical of marine environments.

What input voltage ranges does this device support?

The ammeter operates at a nominal voltage of 12V or 24V DC. Its extended operating range is from 8V to 36V DC.

What is the measurement resolution of this ammeter?

The measurement resolution of this ammeter is 0.1A, enabling precise readings for diagnostics and energy management.

What is the accuracy of the measurements provided by the ammeter?

The ammeter provides an accuracy of ±2%, ensuring reliable measurements for monitoring your electrical system.

Is the ammeter protected against reverse polarity?

Yes, this ammeter is protected against reverse polarity, which helps prevent damage in case of wiring errors.

Can current be measured on the positive or negative side of the circuit?

Yes, the Blue Sea OLED mini ammeter can measure current on both the positive and negative sides of the circuit, providing flexibility for various monitoring setups.

What is the ingress protection rating of the ammeter's front panel?

The ammeter's front panel is IP66 certified, meaning it is protected against powerful water jets. This makes it perfectly suitable for marine environments.

Is the shunt included with the ammeter?

Yes, a shunt is included with the ammeter. It is model 9230 (100A/50mV), which is required for the device to function properly.

What is the required mounting hole size for installing this ammeter?

The ammeter installs in a 29 mm (1-1/8 inch) diameter hole. Its compact size makes it easy to fit in most dashboards.

Should fuses be added when installing the shunt?

Yes, it is recommended to add 1A fuses on wires A and B when the shunt is installed on the positive side of a battery. These fuses must be installed within 7 inches of the shunt, in accordance with ABYC recommendations.

What is the maximum current consumption of the ammeter itself?

The maximum consumption of the ammeter is 15 mA.

What are the typical applications of this ammeter on board a boat?

This ammeter is ideal for monitoring various power sources and consumption on board. It can be used to check engine starting current, alternator output (outboard or inboard), or electrical consumption of house loads.