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On a dr 8540 what is the voltage on the adapter 9 volts or 12 volts

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2 Answers

Power supply


ok you will need a 8 volt zenor diode and prob about 100 ohm resister to lower your current. if you can't build this then how about gettin a cigar ligher adapter for auto that has a voltage selector on it. and hard wire it up.

May 06, 2008 | Uniden 5.8GHz Expandable Cordless Phone...

3 Answers

How many volts I have a charger that has different volts which one to set it on I have a whistler 1610 just trying to put the charger on the right voltage


Most automotive electronics work on a 12 Volt DC system. You must be using adapter capable of providing about 12 to 14 volts because car batteries provide 12 volts; but car alternators put out 13.8 volts. Do not attempt to connect to an adapter that put out AC voltage!

May 21, 2014 | De-1610 Radar Detector With Car Charger

1 Answer

We have an Acculab V-200 electronic balance here at school. The AC adapter was misplaced, however one with a 12 volt output was found. It fits the balance but I am afraid to plug it in since the unit can...


re: Acculab V-200 Digital Scale
The original AC acpater is rated at 12VDC 300mA output. It is unregulated (i.e. the output voltage is about 16-17V with no load)
The centre pin is NEGATIVE, which is the opposite of "most" AC adapters.
(Acculab model number is 41-12-300D, for the 120V 60Hz version)

Aug 16, 2011 | Health & Beauty

1 Answer

I need a new battery for my 1986 Oldsmobile ninety-eight regancy sedan. fully loaded. what type of battery would i need?


Attributes Battery BCI # : 75
Battery CA @ 32 Degrees F : 775
Battery CCA @ 0 Degrees F : 630
Battery Height : 7 1/4"
Battery Length : 9 3/4"
Battery Posts Type : Side Post
Battery Reserve Capacity : 90
Battery Voltage : 12 volt
Battery Weight : 33 lbs.
Battery Width : 7"
Wet or Dry : Wet
A lead acid battery with the fallowing specs
group 75



Attributes Battery BCI # : 75
Battery CA @ 32 Degrees F : 775
Battery CCA @ 0 Degrees F : 630
Battery Height : 7 1/4"
Battery Length : 9 3/4"
Battery Posts Type : Side Post
Battery Reserve Capacity : 90
Battery Voltage : 12 volt
Battery Weight : 33 lbs.
Battery Width : 7"
Wet or Dry : Wet
Attributes Battery BCI # : 75
Battery CA @ 32 Degrees F : 775
Battery CCA @ 0 Degrees F : 630
Battery Height : 7 1/4"
Battery Length : 9 3/4"
Battery Posts Type : Side Post
Battery Reserve Capacity : 90
Battery Voltage : 12 volt
Battery Weight : 33 lbs.
Battery Width : 7"
Wet or Dry : Wet
Battery BCI # : 75
Battery CA @ 32 Degrees F : 775
Battery CCA @ 0 Degrees F : 630
Battery Height : 7 1/4"
Battery Length : 9 3/4"
Battery Posts Type : Side Post
Battery Reserve Capacity : 90
Battery Voltage : 12 volt
Battery Weight : 33 lbs.
Battery Width : 7"
Wet or Dry : Wet

Feb 27, 2011 | 1986 Oldsmobile Regency

1 Answer

The yellow modem light continues to flash. I have tried three different cables between my modem and the router, but it does not help. Any suggestions?


the power supply could be the problem 9 volts means 9 volts /// 12 volts means 12 volts check them first if the voltage is low replace unit

Mar 03, 2010 | Belkin (F5D7230-4) Router (587009)

3 Answers

Use Sony ICF-C1IPMK2 in Europe


A transformer type (Linear Mode Power Supply) AC to DC power adapter with a 9.V nominal output, measures about 12.V without load when tested with a multimeter. A power adapter with a nominal output of 7.5 V, measures a little over 9.V. Considering a number of people across different forums reported the adapter's measured power output as 12.V, I think the nominal rating of the AC to DC adapter should be 9.V. However, keep away from Switch Mode Power Supplies.

Jul 21, 2009 | Sony ICF-C1IP White Powered Speaker System...

1 Answer

Can the input voltage be changed in the field?


Yes you can. Then it would now operate on 12 volts.

May 26, 2009 | Xantrex Technology Xantrex DR Series...

1 Answer

Need charger


What needs to be done here is goto the local Rat Shack, and purchase a universal power adapter for your specific voltage and amperage. Remember to bring your device into the place to match up the tip with the power socket on the device. Tell them you need 1500 milliamps and tell them you need 9 or 12 volts.
The cost should be no more than fifteen dollars total for adapter and tip, usually the tip comes with the purchase of the transformer, and dont purchase one with a variable voltage, just a fixed voltage if possible you can use 9 or 12 volts but it has to be 1500ma(which is 1.5 amps).

May 15, 2008 | Televison & Video

1 Answer

Low voltage on voltage inverter board


Probley got a week capacitor in the 12 volt supply, but without even a make or model number your guess is as good as mine

May 15, 2008 | Televison & Video

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