1pc used SUNTEX PH/ORP PC-3110

Nikki Denso MDI-1602A MDI Multipurpose Data I/O Tested Working

Nikki Denso MDI-1602A-S2 Multipurpose Data I/O MDI1602AS2 Tested Working

Georg Fischer +GF+ Signet 8750 pH/ORP Transmitter 3-8750-1P Panel Mount 387501P

ABB Procontics CS31 07KR31 Central Unit Tested Working

1pc used SUNTEX pH/ORP PC-350 transmitter

Suntex pH/ORG Transmitter PC-3110-RS

Georg Fischer +GF+ Signet 8750 pH/ORP Transmitter 3-8750-1P Panel Mount 387501P