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We wanted a simple voltage monitor for our motorcycles to warn of any undercharge conditions and they created it, Clearwater Company. As they say ‘A need creates a new product’.

The CVS is tiny, easy to install and all the installation wiring is hidden apart from that one important LED which indicate all the endangers.

There are plenty of other Volt meters and lights you can use on your bike but the Clearwater Voltage Sentry is about the simplest there is and it’s extremely accurate, using an internal CPU (computer) to measure down to a claimed 0.25% change in your battery’s Voltage.

The best thing about this product is that it works all the time, when your motorbike is parked and when you are riding it. Other analog or digital Voltmeters work only when the bike is running.

Reliability
Vibration is not an issue as all of our parts are securely mounted directly on a high quality multi-layer PCB. To further improve reliability, each assembly is sealed in epoxy in an injection molded enclosure.

Flexibility
As the product is completely controlled by software, so all the parameters with code. If an application is needed for a different voltage indication range (say Li-ions in your new Tesla) they can easily make the change.

Time for the digital age. They designed the best and most accurate voltage minder for not only motorcycles, but any vehicle with a 12 volt battery and charging system. We used a microprocessor based system of voltage measurement to illuminate a single LED in three different colors and with six different display voltages.

The indicator LED is only illuminated when either the engine is running (thus indicating a charging system status) or for a short time period after the engine is turned off. After the device determines that the engine is now off, it initiates a timed sequence to display the battery voltage for short period (5 minutes). Then it shuts down the LED (saving what little power is used by an LED).

Thermal stability
Wide temperature variations are common on outdoor vehicles and the design is impervious to any “human” survivable temperature. From -40 degrees up to 200 degrees, CVS is dead solid accurate.

Accuracy
Without strapping a high quality Volt meter onto the triple clamp and monitoring voltages around town, the CVS allows instantaneous monitoring of your battery/alternator system. This system is the most accurate voltage monitoring device of its kind anywhere. Accuracy is better than 1/4 of a percent!

The Clearwater Voltage Sentry is a very useful and accurate tool to monitor voltage. If the light is green, you are good to go; yellow means there is a slight cause for attention. A red light conveys that your battery is definitely not charging; shut off accessories one at a time until you get a green or slow flashing green condition. If you are running a pair of our Kristas on your bike (total power usage 72 watts) you might only need to switch off your high beam to lower your power usage while stopped at a light. Once you get moving again (and spinning your alternator faster) you can switch back to high beam or the high setting on your heated garment!

You can very easily tell if additional accessories are drawing more power than your bike can supply. A simple Green/Yellow/Red LED displays 6 stages of battery voltage.

Solid Red: Indicates between 11.6 and 12.0 volts (12.7 and 12.8 volts on Shorai battery). Weak battery, start and run the engine for a while or get a charger. If this persists after charging, the battery needs to be replaced. If this occurs while the bike is running, your alternator is bad or severely overloaded.

Solid Yellow: Indicates between 12.1 and 12.4 volts (12.9 and 13.1 volts on Shorai battery). This indicates the battery needs to be recharged. If this occurs while the bike is running, it means you are drawing a lot more power than the alternator is generating, and potentially a bad alternator.

Solid Green: Between 12.5 and 13.1 volts (13.2 and 13.4 volts on Shorai battery). Good battery condition with the bike off; poor to weak charging condition with the bike running. This can also indicate your accessories are drawing too much power. Note: some bikes do not generate sufficient power at idle. This can be normal. If you get the solid green light while your bike is idling, run the engine faster and it should start flashing green.

Slow Flashing Green: Indicates between 13.2 and 14.6 volts (13.5 and 14.8 volts on Shorai battery). The battery is charging properly.

Fast Flashing Green: The battery is over 14.6 volts (14.8 volts on Shorai battery). This indicates an abnormal overcharging situation that could indicate a faulty alternator. Get your electrical system evaluated immediately.

All you have to remember is: “GREEN IS GOOD”

CVS Installation: Installing CVS is that it’s so simple to install. It doesn’t need any connection to a special wire, computer or anything else on the bike.
dghThe only connections are a power and ground. The power (red/orange) lead has an 18-24 Posi-Lock attaching a short harness with a 5 Amp fuse. The power lead can be connected directly to the battery or the fuse section can be removed if the power lead is connected to a fused, always-on wire.
WireThe black lead is connected to the negative (ground) terminal on the battery. We always connect directly to the battery, with the ground wire to the negative terminal and the power lead to the positive terminal.

CVS is the solves a very important concern of all motorcyclist. Once again, a need creates a new product!

Information source: Clearwater Lights

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