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BL981411-1 pH Mini Controller (Res 0.1pH) – 220V

Product code: MX-11268

The BL 981411 pH controller has been designed for easy, affordable installation in tight spaces, ideal for simple and effective process control. The unit is provided with high impedance pH input and can be used with any pH electrode with standard BNC connector.

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Product description

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 "Autoin. operation may be overridden turning your connected device "Offin. from operation or always "On.in. 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. Front View Installation cut-out dimensions are provided as well as outside panel dimensions. Side View Adjustable location brackets allow the controller to slide easily and securely into place.

Specifications

Range0.0 to 14.0 pH
Resolution0.1 pH
Accuracy @ 25°C±0.1 pH
Calibrationmanual, with offset trimmer
Dosing Relaymax 2A (fuse protected), 250 Vac, 30 Vdc
Dosing Selectionacid or alkaline contact open =acid dosage=relay ON if measurement > set point contact close =alkaline dosage=relay ON if measurement < set point
Setpointadjustable from 0.0 to 14.0 pH
Overtimeadjustable, typically from 5 to approx. 30 minutes
Input Impedance10 2 Ohm
Power SupplySee Chart
Dimensions79 x 49 x 95 mm (3.1 x 1.9 x 3.7’’)