What is the reference system used by pH and ORP Pocket Pro and Pocket Pro+ Testers?

Document ID

Document ID TE10656

Published Date

Published Date 04/11/2019
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Question
What is the reference system used by pH and ORP Pocket Pro and Pocket Pro+ Testers?
Summary
Reference system for Pocket Pro pH and ORP sensors.
Answer
The Pocket Pro and Pocket Pro+ pH and ORP sensors all use an Ag/AgCl 4M KCl reference system.
This is true for the following products:
Pocket Pro pH Tester Product # 9531000
Pocket Pro ORP Tester Product # 9531100
Pocket Pro+ pH Tester with Replaceable Sensor Product # 9532000
Pocket Pro+ ORP Tester with Replaceable Sensor Product # 9532100
Pocket Pro+ Multi 2 Tester for pH/Cond/TDS/Salinity with Replaceable Sensor Product # 9532800

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