Sensor connectors for pH and DO 


    Commonly used connectors for pH standard sensors. From left S7/S8, middle K8/K9 and at right VP
    pH sensor S7/S8 cap style – new type of connector, centre electrode is not easily visible
    pH sensor K8/K9 cap style – old fashion connector, centre electrode is easily visible
    VP, VarioPin multi-lead connector with 3-12 electrical connectors for various sensors. More info on and
    2 different ARC digital signal modules from Hamilton. For Wi-Fi at left and hardwired at rigth. Both fit the analogue (CerCell p/n 4550-120) pH SUS VP8 sensor for ModBus communication.
    Cable connection from analogue pH sensor S7/S8 style to male VP8 length 200 mm