The BL-981411 is a compact, pH process controller designed for applications where space or cost is important. The device contains a high impedance pH input and may be used with any pH electrode with a standard BNC connector. It’s adjustable dosing relay may be configured to dose above or below a user programmable pH setpoint. Users may choose from automatic or manual dosing modes allowing for easy maintenance and troubleshooting. Mini panel-mount pH controller 12 volt supplied with wall brackets & 12vdc adapter. **Please ask for HI-75220VAC when planning to use in Europe, and ask that HI-12VDC be removed.** Adjustable Dosing Relay The BL981411 features a dosing relay which may be configured to dose above or below a user programmable pH setpoint. Selectable Overdose Protection The mini controller may be programmed to deactivate a valve, pump, or connected device if its activation continues over a selected time; adjustable from 5 to 30 minutes. Selectable Control Override With the flick of a switch, normal “Auto” operation may be overridden turning your connected device “Off” from operation or always “On.” Fuse Protected Dosing Contacts The mini controller is protected for up to a 2A load from a connected pump or device. Easy Peripheral Connection Quick-connect terminal blocks provide for easy connection to power, communication, dosing control, or sensors. Matching Pin Connection An included matching pin option helps protect the sensor from ground loop effects that may lead to erratic readings or system damage.
