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Details about  Battery Monitor with Alarm, voltage & charge indicator*

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Battery Monitor with Alarm, voltage & charge indicator*
Battery-Monitor-with-Alarm-voltage-charge-indicator
Item Ended
Item condition:
New
Ended:
14 Mar, 2012 23:56:48 GMT
Price:
£13.90
[
History:
]
Postage:
£1.35 Standard Delivery | See details
Item location:
Glasgow, East Dunbartonshire, United Kingdom

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Description

eBay item number:
150490811976
Seller assumes all responsibility for this listing.
Last updated on  12 Oct, 2011 18:01:09 BST  View all revisions
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Item specifics

Condition:

New

 

12v Voltmeter with audible alarm for low voltage, perfect for monitoring the voltage/charging system of your car, boat, caravan, motorbike, RC model or various other applications (e.g. electric fence batteries, 12v lighting systems, solar charging system etc.). 

Features:

  • intelligent audible alarm for low voltage (the longer it sounds, the longer the silence between bleeps)
  • ultra low power consumption in use
  • six different voltage 'curves' are pre-programmed for you to choose from (see below for an explanation)
  • quality British designed and made, with hundreds sold
  • microswitch on front panel turns unit on and off, and allows 'snapshot' of battery voltage (no external switch is required)
  • available for any battery voltage from 4v  to 30v (higher voltage unit available on special request - email for details)
  • built around a microcontroller running intelligent, copyrighted firmware
  • programming (i.e. the voltage thresholds or LED outputs) can be customised for you at no cost
  • reverse polarity protected with internal overload protection
  • uses six bright 5mm diffused LEDs
  • each unit is carefully tested on the bench before dispatch
  • measures only 50 x 35 x 20mm, with 500mm long flexible eads
  • case is durable ABS plastic, unit is splashproof
  • can be made for 6v or 24v on special request

Now all our 6 LED monitor models come ready programmed with 6 different voltage 'curves'.   It's easy to select the curve you want, and once set, it stays set even if the unit is disconnected.  You select the curve you want using the button on the front panel in an easy set up sequence - full instructions are enclosed.

The 6 curves are all slightly different, and this allows you to tune the monitor to your particular application.  The idea is that once you've found the curve that relates best to your battery and how you use it, you don't need to worry about the numbers, just the colours - this makes using the monitor very intuitive.  The six standard curves are shown below, and you can customise all six of them if you wish.  To do this, copy and paste the table of voltages, edit it to your requirements, and email it to me (contact details at the footer).

The Audible Alarm starts to bleep when the voltage drops below a particular threshold (see table below - and remember all values may be custom set for you).  The longer the period the alarm sounds, the longer the silence between bleeps - so you know you've hit low voltage, but you don't want to hit the monitor!  You can silence the alarm completely by putting the monitor into sleep mode, and turning it back on once you've charged or are charging your battery.

Outputs

There are 12 distinct output states as detailled below (standard 12v thresholds shown - 24v will normally be double these values), offering fine measurement of your battery's voltage. Monitors now come programmed with six different voltage "curves", allowing you to fine tune the monitor to your application.  If you wish any or all of the curves custom programmed, let us know the values you need and we will do it.  There will be no extra cost, and no delay in dispatch.
  Please consider if the Alarm Threshold values are right for your application, keeping in mind that a heavy load on a battery will bring down the measured voltage.

 

Curve 1

Curve 2

Curve 3

Curve 4

Curve 5

Curve 6

Green 1/Red 6 alternating

 

>15.3

>15.3

>15.3

>15.3

>15.3

Green 1, 4 Flashes, repeat

>13.3

>13

>13

>12.8

>12.7

 

Green 1, 3 Flashes, repeat

>13

>12.9

>12.9

>12.7

>12.6

 

Green 1, 2 Flashes, repeat

>12.7

>12.8

>12.8

>12.6

>12.5

 

Green 1

>12.4

>12.6

>12.7

>12.5

>12.4

>12.9

Green 2

>12.1

>12.4

>12.6

>12.4

>12.3

>12.65

Amber 3

>11.8

>12.2

>12.5

>12.3

>12.2

>12.4

Amber 4

>11.5

>12

>12.4

>12.2

>12.1

>12.15

Red 5

>11.2

>11.9

>12.3

>12.1

>12

>11.9

Red 6

>11

>11.8

>12.2

>12

>11.9

>5

Red 6, 2 Flashes, repeat

>10.5

>11.7

>12.1

>11.9

>11.8

 

Red 6, 3 Flashes, repeat

>10.3

>11.6

>12

>11.8

>11.7

 

Red 6, 4 Flashes, repeat

>5

>5

>5

>5

>5

 

Audible Alarm Threshold

<11

<11.8

<11.8

<11.6

<11.5

<11.8


You don't need to have these thresholds - they can be whatever you wish.  Your unit is programmed with all six curves - you don't have to just choose one.  And remember the unit can be made for any voltage from 3.2 to 30v.

Installation

Fitting could not be easier - the module has just two wires to connect - red to +12v/positive battery terminal, and black  to negative battery terminal or ground - you can connect it straight to the battery, or elsewhere in the circuit of your application.  There are only two wires to connect - the module comes with 500mm flying leads.  Instructions are provided and help is always available. 

The wires exit from the rear of the module so that it can be flush mounted without them showing (the wires passing through a 2.5mm hole in your panel).

The module is supplied with a strip of foam double sided adhesive tape on the back for mounting.  If you wish to mount it in your own panel it can be supplied uncased, or you can opt to remove the case for this purpose.  A template for drilling is available if required.

Questions

We are always on hand to answer any questions or provide any advice.  Contact us via eBay or using our email address, which you will find in 'Contact Details' at the foot of this listing.

Dispatch

We will dispatch within two working days, and customised programming will not delay dispatch (we usually dispatch same day or next).  We operate a Fair Postage Policy:  UK First Class postage will cost you £1.35, which is actually 4 pence less than the cost charged to us by Royal Mail - we don't add any margin and we don't charge for packing.

Adaptations?

If you have an idea about ways in which the module could be adpated to better meet your needs then please get in touch with us.  If the adaptation is feasible, and would be of interest to other customers, we may create it for you at no extra cost.

Also available!

We are now offering a super-compact module using a single tri-colour 10mm 8mm or 5mm LED with mounting bezel, which is ideal for panel mounting in your own semi-customised installation.  Sparkbright now produce the smallest integrated 10mm single LED monitor you will find anywhere - see listing 150479033981

Our six LED monitors are also available in three different layouts - please see our 'other items'.

About SparkBright Products

SparkBright Products is a small business based in Glasgow, UK.  It is operated by bright spark Andrew Ferguson, who has a First Class Honours degree and PhD from the University of Glasgow.  As well as operating SparkBright, Andrew is involved in freelance electronics and software design consultancy, as well as teaching part time at the University of Glasgow.

SparkBright has recently upgraded its premises and invested in process and production equipment, enabling us to produce top class products and offer you excellent value for money.  We are very grateful to Scottish Enterprise for all their assistance and support.

Our email address and UK telephone number is available by clicking on Contact Details below.



Business seller information

Sparkbright

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