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Author Topic: Diamond SX-200 power meter ,need power cord info  (Read 1367 times)
FLEX28
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Posts: 1




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« on: April 17, 2013, 04:00:40 AM »

I have an older model of the Diamond SX-200 meter and the manual doesn't say, can you tell me what size/nodel female power jack fits the power input jack on the back ? Is it center positive or what is the polarity setup ?
It looks like a 2 part male pin with the longer part at the bottom. Where can I find a power cord or the right connector to make one ? Any idea? Mine is at least 10 years old , found a manual but no power cord or power supply. . Any help is appreciated.
« Last Edit: April 17, 2013, 04:03:02 AM by FLEX28 » Logged
M6GOM
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Posts: 907




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« Reply #1 on: April 17, 2013, 04:14:40 AM »

All it does is power the bulb but positive is center pin.

No idea what the size is but any electronics component shop should have one that'll fit.
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W9GB
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Posts: 2623




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« Reply #2 on: April 17, 2013, 06:57:28 AM »

Correct, the DC power source is only for illumination of the lamp of the meter !!

Diamond SX-200 Manual
http://www.diamondantenna.net/pdfdocs/SX200&400.pdf

Photos
http://www.diamondantenna.net/sx_photos.html

Quote from: FLEX28
Is it center positive or what is the polarity setup ?
It looks like a 2 part male pin with the longer part at the bottom.
Where can I find a power cord or the right connector to make one ?

Positive Center Pin -- Where found: SX-200 MANUAL

Coaxial DC power connectors are used in millions of Asian electronics appliances.
http://en.wikipedia.org/wiki/Coaxial_power_connector

Connector or Connector with cable can be found at ANY Electronics distributor (Mouser, DigiKey, Allied, Newark, Future),
most amateur radio stores, RADIO SHACK, FRY's ELECTRONICS, some consumer big box stores

One common DC coaxial connector used on many pieces of equipment is the 5.5mm (SHELL OD) x 2.1mm (PIN OD).
Part numbers for this size:  CUI Inc. P5; CUI Inc. PP3–002A; Kobiconn 3217-EX; Philmore 210, 210L, 2109; Switchcraft S-760, S-765

===
IEC 60130-10:1971 defines Five Coaxial DC Power Connectors (measurements in metric).

Type A: 5.5 mm OD, 2.1 mm ID (with optional screw lock)
Type A: 5.5 mm OD, 2.5 mm ID (with optional screw lock)
Type B: 6.0 mm OD, 2.1 mm ID
Type B: 6.0 mm OD, 2.5 mm ID
Type C: 3.8 mm OD, 1.4 mm ID
Type D: 6.3 mm OD, 3.1 mm ID
Type E: 3.4 mm OD, 1.3 mm ID

Radio Shack and eBay reseller have assortment packs for experimenter/hobbyist.
« Last Edit: April 17, 2013, 07:15:08 AM by W9GB » Logged
N4NYY
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Posts: 4758




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« Reply #3 on: April 17, 2013, 05:20:21 PM »

I replaced the lamp with an LED. You can easily solder wire to the lamp if you cannot find a cable.
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