Hanna Instruments-9910-2 Wall Mounted pH Controller

Hanna InstrumentsSKU: HI-9910-2
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Description

Hanna Instruments-9910 is a pH controller with a single set point for proportional dosage of acid or alkaline solutions. Any pH electrode ending in a BNC connector can be directly attached to the controller. The proportional control can be fine tuned through two dials on the front panel.


Industrial Grade pH Controller with Single Set point and Proportional Dosage


The Hanna Instruments-9910 time cycle is adjustable from 0 to 90 seconds and the proportional band from 0.0 to 2.0 pH. Coarse, fine, offset and slope trimmers make accurate setting and calibration easy and convenient. A pump or electro valve can be wired directly to the controller and be powered through the terminals.


The Hanna Instruments-9910 also provides for an alarm relay. The alarm is activated when the measurements stray away from the set point by a predetermined value in the 0.5 to 2.5 pH range. A maximum dosing time from 1 to 10 minutes can also be set, after which the alarm is activated to warn of an abnormality. The alarm can be configured in either normally-closed or normally-opened state. The Hanna Instruments-9910 also provides an isolated output signal which is user selectable between 0-20 or 4-20 mA. A dial on the front panel renders manual temperature compensation fast and easy.


For automatic temperature compensation, hook up a three wire Pt100 to the controller. To speed up wiring, the Hanna Instruments-9910 comes with extractable terminal modules. Once wired up, the compartment containing the connections is protected behind a fire-retardant ABS panel. Several LED's show whether the set point or alarm relays are activated from a distance.

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