Choosing the Right Sensor for Zodiac Chlor Expert: A Client's Journey

Client:
Hi, I’ve got a zodiac chlor expert and my sensor is not working properly. I looked at your sensors but I can’t figure out what the difference between v1 and v2 is. Of what I can find there are no other version of the chlor expert than the one I have? I ordered a sensor from you two years ago but that one read (and still does) 0mV so I want to make sure I get the right one this time if there are differences between the sensors for chlor expert. Last time I ordered ORP-1-3-0101. What sensor should I order? Kind Regards, Tomas

Technical Advisor:
Hello, can you send me a picture of the probe you have now , useless to dismount it, I will check. Show me also where it is installed please.

Client:

Technical Advisor:
That one is the one you need here. It will work for Chlor expert.

Client:
Ok, and if it doesn’t work this time as well, can I return it in that case?

Technical Advisor:
Yes, you can find the return policy here.

Client:
Great! Then I’ll order one of those and hope it works 🙂

Technical Advisor:
Thanks, you are welcome.

Client:
My current sensor is calibrated at 465mV. Do you have calibration fluid for that? I only found 475.