Salinity Probes that work with the Apex

[Rimsky]

I refer back to the original question: [Are there other] Salinity Probes that work with the Apex?

For instance, any of the probes offered by METTLER TOLEDO can work?
https://www.mt.com/int/en/home/prod...owse/pH-meter/sensor/conductivity-sensor.html

Even if the connector must be adapted/changed and a resistor or a simple mod must be done, I'm up for that.

I'm not interested in debating if the Neptune probe works or not, just want to know if I can get an alternative probe to work.

 

[Rimsky]

This one seems very similar to Neptune's:
https://www.ebay.com/itm/362498979065?ssPageName=STRK:MEBIDX:IT&_trksid=p2060353.m1438.l2649

 

[The Opinionated Reefer]

This one seems very similar to Neptune's:
https://www.ebay.com/itm/362498979065?ssPageName=STRK:MEBIDX:IT&_trksid=p2060353.m1438.l2649

That looks like the same probe to me just with a different connector, $24.99 I would bet that this is basically the same probe and this is its real cost!

 

[alabella1]

This one seems very similar to Neptune's:
https://www.ebay.com/itm/362498979065?ssPageName=STRK:MEBIDX:IT&_trksid=p2060353.m1438.l2649

Did you try it, did it work?

 

[alabella1]

Anyone ever figure anything out? Seems suspect to me that Apex stopped including the salinity probe in the new A3. Clearly they know it's an issue. FIX IT!! Take our money for something that works!! Hell I'll take something 3rd party with a way to integrate it at this point. But my probe just will not calibrate and it's reading between 3.6-3.9 - smfh

 

[Rimsky]

Did you try it, did it work?

I did not buy it yet. I think I will try to buy one today.

 

[Rimsky]

Just grabbed one from eBay. Open box for $11 shipped. Will take some time to get it and play with it, but I will report my results here.

 

[The Opinionated Reefer]

Did you try it, did it work?

NO because it has a different connector, not sure how id wire it up for an apex

 

[Rimsky]

of course it has a different connector. I will have to inspect a broken Neptune salinity probe and hard wire the Pasco probe to the Neptune connector or try to make an adapter. I will report my progress.

 

[alabella1]

It honestly blows my mind that instead of working to fix their probe they just abandoned it

 

[Rimsky]

They should license the technology from the Hanna salinity meter. That one works great IMO.

 

[The Opinionated Reefer]

It honestly blows my mind that instead of working to fix their probe they just abandoned it

Because it's not really their probe. They Just used a generic one.

 

[alabella1]

They should license the technology from the Hanna salinity meter. That one works great IMO.

Love that idea

 

[WhatCouldGoWrong71]

OK, so I thought it was me going nuts. My salinity probe is stuck at 3.00+. There is no fix?

 

[MnFish1]

Don't take this as a sarcastic response. Let's face it - barring a major problem the salinity is not really an 'important' parameter. I'm not sure there is a reason for constant monitoring. Were I you - I would just check it manually - with any number of test kits once a week. Why? By the time you get an alert that it's low, there will be water all over the floor - and any damage will be done perhaps. The only way the salinity can rise or fall - is not enough water being added - or not enough evaporating (too much added). IME - this is rare. The use of a small ATO as compared to a constant source of water helps make sure this does not cause a problem. I know this is not a direct answer but its my opinion

 

[MnFish1]

There are an awful lot of posts saying that they don't work. The two tanks that I setup for friends that have an Apex had similar issues and the owners decided to remove them due to drifting and the constant maintenance.

Absolutely - They IME - do not work consistently.

 

[WhatCouldGoWrong71]

@MnFish1 My Max s 500 has a manual ATO that I want to know if it is stuck on. Kind of just peace of mind, right? But, I think I am leaning towards dropping a Tunze ATO pump down the reservoir in the back of the tank and run it from there.

Don't take this as a sarcastic response. Let's face it - barring a major problem the salinity is not really an 'important' parameter. I'm not sure there is a reason for constant monitoring. Were I you - I would just check it manually - with any number of test kits once a week. Why? By the time you get an alert that it's low, there will be water all over the floor - and any damage will be done perhaps. The only way the salinity can rise or fall - is not enough water being added - or not enough evaporating (too much added). IME - this is rare. The use of a small ATO as compared to a constant source of water helps make sure this does not cause a problem. I know this is not a direct answer but its my opinion

 

[Rimsky]

I want to share my findings with the community.

I'm just sharing my findings, but I'm not responsible for any issues that may arise. Take this information with a grain of salt, do your own research and know that anything you do is at your own risk.

Having said that...

I found a compatible conductivity (salinity) probe. It can be found on eBay. The probe has a BNC connector, but an adapter is very easy to make. The inner pin of the BNC goes to pin 1 of the mini din 4 pin connector. The outside of the BNC goes to pin 2 of the mini din 4 pin connector. That's it. It calibrated perfectly and it has been running for hours very stable.

The probe I'm using is the following: Pasco PS-2116A PasPort Conductivity Sensor P09280. The probe comes with a module that is not required at all.

Here's a picture of the mini din 4 pin female connector with the pin numbers. Imagine you are looking at the Apex head unit and this is the salinity probe female port.

My probe looks like this:

The probe itself reads: Pasco Scientific 699-06621.

That's it. Cheers!

 

[kylarse]

I want to share my findings with the community.

I'm just sharing my findings, but I'm not responsible for any issues that may arise. Take this information with a grain of salt, do your own research and know that anything you do is at your own risk.

Having said that...

I found a compatible conductivity (salinity) probe. It can be found on eBay. The probe has a BNC connector, but an adapter is very easy to make. The inner pin of the BNC goes to pin 1 of the mini din 4 pin connector. The outside of the BNC goes to pin 2 of the mini din 4 pin connector. That's it. It calibrated perfectly and it has been running for hours very stable.

The probe I'm using is the following: Pasco PS-2116A PasPort Conductivity Sensor P09280. The probe comes with a module that is not required at all.

Here's a picture of the mini din 4 pin female connector with the pin numbers. Imagine you are looking at the Apex head unit and this is the salinity probe female port.

My probe looks like this:

The probe itself reads: Pasco Scientific 699-06621.

That's it. Cheers!

Works perfectly, thanks.

 

[kylarse]

I want to share my findings with the community.

I'm just sharing my findings, but I'm not responsible for any issues that may arise. Take this information with a grain of salt, do your own research and know that anything you do is at your own risk.

Having said that...

I found a compatible conductivity (salinity) probe. It can be found on eBay. The probe has a BNC connector, but an adapter is very easy to make. The inner pin of the BNC goes to pin 1 of the mini din 4 pin connector. The outside of the BNC goes to pin 2 of the mini din 4 pin connector. That's it. It calibrated perfectly and it has been running for hours very stable.

The probe I'm using is the following: Pasco PS-2116A PasPort Conductivity Sensor P09280. The probe comes with a module that is not required at all.

Here's a picture of the mini din 4 pin female connector with the pin numbers. Imagine you are looking at the Apex head unit and this is the salinity probe female port.

My probe looks like this:

The probe itself reads: Pasco Scientific 699-06621.

That's it. Cheers!

Works perfectly, thanks.