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01-06-2018, 16:44
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#1
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Registered User
Join Date: Nov 2012
Location: French Polynesia
Boat: Allied 39
Posts: 886
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Balmar Alt Temp Sensor to short
I have a old Balmar Alternator Temp sensor that I want to use on my Balmar regulator ARS-4
The wire is to short and I need to add another 5' to the wire length.
Repeated emails to Balmar have gone unanswered
Will the temp sensor wire still work if I add 5' to its length?
Thanks
Chuck
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01-06-2018, 17:10
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#2
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Moderator Emeritus

Join Date: Oct 2013
Location: Jacksonville/ out cruising
Boat: Island Packet 38
Posts: 31,348
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Balmar Alt Temp Sensor to short
Is this 5’ extra to the already full length, or is this one used and was cut short and your returning it to close to original length?
Either way I see no reason it won’t work, the thing can’t carry much power if it’s works the way I think it does, however you want to be very careful not to add any resistance, if it works they way I think it does.
Oh, and pretty sure you can call them too. I have called myself before, once anyway.
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01-06-2018, 17:14
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#3
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Registered User
Join Date: Aug 2011
Location: Victoria, BC
Boat: Catalina 36 MKII
Posts: 1,108
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Re: Balmar Alt Temp Sensor to short
Yes, it will work just fine!
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01-06-2018, 18:24
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#4
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Registered User
Join Date: Nov 2012
Location: French Polynesia
Boat: Allied 39
Posts: 886
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Re: Balmar Alt Temp Sensor to short
Quote:
Originally Posted by a64pilot
Is this 5’ extra to the already full length, or is this one used and was cut short and your returning it to close to original length?
Either way I see no reason it won’t work, the thing can’t carry much power if it’s works the way I think it does, however you want to be very careful not to add any resistance, if it works they way I think it does.
Oh, and pretty sure you can call them too. I have called myself before, once anyway.
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Its 5' longer(extra) than the new one.
Indeed I may call them from Tahiti.
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01-06-2018, 19:17
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#5
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Moderator Emeritus

Join Date: Oct 2013
Location: Jacksonville/ out cruising
Boat: Island Packet 38
Posts: 31,348
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Balmar Alt Temp Sensor to short
OK I’m not real smart, but I’m pretty sure there are ways to use Internet telephony and it only cost a small amount of data to make a phone call.
I think, but am not positive that the temp sensor works by varying resistance, it could be a thermocouple I guess, but I wouldn’t think so.
Either way, a poor splice will make it read incorrectly, so be sure the splice and the wire ends are bright and clean, and ideally heat shrunk and hot glue to prevent future corrosion.
I’d stay with the same gauge wire.
If you do it, you can of course watch voltage output to make sure it’s real close to what it is set for, I doubt where you are there should be much temp compensation. If it changes the set point by much at all, it didn’t work.
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02-06-2018, 01:41
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#6
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Registered User
Join Date: Nov 2012
Location: French Polynesia
Boat: Allied 39
Posts: 886
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Re: Balmar Alt Temp Sensor to short
Quote:
Originally Posted by a64pilot
OK I’m not real smart, but I’m pretty sure there are ways to use Internet telephony and it only cost a small amount of data to make a phone call.
I think, but am not positive that the temp sensor works by varying resistance, it could be a thermocouple I guess, but I wouldn’t think so.
Either way, a poor splice will make it read incorrectly, so be sure the splice and the wire ends are bright and clean, and ideally heat shrunk and hot glue to prevent future corrosion.
I’d stay with the same gauge wire.
If you do it, you can of course watch voltage output to make sure it’s real close to what it is set for, I doubt where you are there should be much temp compensation. If it changes the set point by much at all, it didn’t work.
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I will try the splice thanks
Regarding the internet here in Raiatea well let’s say it redefines poor internet. We start getting excited when we see the mps rise more than .10 (Yes that .10).  )))
Cheers
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02-06-2018, 05:45
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#7
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Marine Service Provider
Join Date: Jul 2011
Location: Baltimore
Posts: 1,346
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Re: Balmar Alt Temp Sensor to short
1) as long as you don't introduce resistance to the circuit you can indeed lengthen a resistor based temp probe (same for fridge ones)
2) good crimps and heat shrink are the key
3) I'm surprised you couldn't reach Balmar by phone, they provide very good tech support. We keep a 'skype out' account that lets us call any phone in the world from our 'US' number via Skype, VERY reasonable and there are other similar systems...
__________________
Scott Berg
WAØLSS
SV CHARDONNAY
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02-06-2018, 06:12
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#8
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Senior Cruiser

Join Date: Mar 2003
Location: Thunder Bay, Ontario - 48-29N x 89-20W
Boat: (Cruiser Living On Dirt)
Posts: 51,781
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Re: Balmar Alt Temp Sensor to short
Quote:
Originally Posted by Scott Berg
1) as long as you don't introduce resistance to the circuit you can indeed lengthen a resistor/thermister based temp probe (same for fridge ones)...
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Balmar's Alt Temp Sensor is a Thermister type.
➥ https://www.scribd.com/document/2714...-Sensor-Manual
Because thermistors have a high nominal resistance, lead-wire resistance (length) does not appreciably affect the accuracy of their measurements.
In addition to the 54" model, Balmar also has a Battery Temperature Sensor with 20 Ft. lead.
➥ https://www.westmarine.com/buy/balma...ecs-_-DY-_-PDP
__________________
Gord May
"If you didn't have the time or money to do it right in the first place, when will you get the time/$ to fix it?"
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02-06-2018, 13:33
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#9
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Registered User
Join Date: Nov 2012
Location: French Polynesia
Boat: Allied 39
Posts: 886
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Re: Balmar Alt Temp Sensor to short
Quote:
Originally Posted by Scott Berg
1) as long as you don't introduce resistance to the circuit you can indeed lengthen a resistor based temp probe (same for fridge ones)
2) good crimps and heat shrink are the key
3) I'm surprised you couldn't reach Balmar by phone, they provide very good tech support. We keep a 'skype out' account that lets us call any phone in the world from our 'US' number via Skype, VERY reasonable and there are other similar systems...
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Thanks Scott
#2 We also have a skype account but you have to have decent internet --band width here is very very poor
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02-06-2018, 13:35
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#10
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Registered User
Join Date: Nov 2012
Location: French Polynesia
Boat: Allied 39
Posts: 886
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Re: Balmar Alt Temp Sensor to short
Quote:
Originally Posted by GordMay
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Thanks Gord - We will lengthen the one we have in hand.
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02-06-2018, 14:27
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#11
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Marine Service Provider
Join Date: Jan 2007
Location: Maine
Boat: CS-36T - Cupecoy
Posts: 3,215
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Re: Balmar Alt Temp Sensor to short
As has been stated extending it is fine. The batt temp and alt temp sensors are the same other than wire length and the hole sizes in the lugs..
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03-06-2018, 12:36
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#12
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Registered User
Join Date: Jun 2013
Location: Bellingham, WA
Boat: Bruce Roberts 44' Steel Mauritius
Posts: 919
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Re: Balmar Alt Temp Sensor to short
Quote:
Originally Posted by Maine Sail
As has been stated extending it is fine. The batt temp and alt temp sensors are the same other than wire length and the hole sizes in the lugs..
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Thanks for the link
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