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BL983322 EC Mini Controller

The BL983322 is a compact, panel mounted, process controller for measuring electrolytic conductivity (EC) of a process stream. The device features a large LCD with protective cover. Users may choose from automatic or manual dosing modes. When in automatic mode the dry contact relay is activated when a reading is above the set point. The relay can be used to activate a solenoid that switches from one DI (deionized) tank to another or to open a valve that will allow lower EC water to flow into a tank being monitored in order to lower its EC. The BL983322 can also be used to monitor the quality of water from DI tanks or from a distillation apparatus. The BL983322 measures EC from 0.00 to 19.99 μS/cm.

Brand: Hanna

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Product CodeProduct Product Description Price (Excl gst) Qty Add
HA-BL983322-1 BL983322 EC Mini Controller BL983322 EC Mini Controller Login for price  

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Adjustable Dry Contact Dosing Relay

The BL983322 features a dosing relay that is activated when the reading is above a user programmable set point.

Programmable Overdose Protection

For enhanced safety the mini controller can be programmed to deactivate the dosing relay if the set point is not reached within a specified time interval. The overdosing timer is programmable from 5 to 30 minutes or disabled.

Relay Control Override

With the flick of a switch the mini controller's relay can be disabled (Off), placed in control (Auto), or be activated for manual operation (On) which is useful for priming a dosing pump.

Multicolor LED Indicator

Multicolor LED indicator allows an operator to quickly check the status of the controller.

Green = Meter in measurement mode and reading is below the set point.
Orange/Yellow = Reading is above the set point and the relay is activated.
Blinking Red = Indicates an alarm condition such as when the maximum dosing time has been exceeded.

Fuse Protected Dosing Contacts

The relay dosing contact is rated for up to a 2A load and is fuse protected.

Labeled Termination Connections

Quick-connect terminal blocks are clearly labeled for easy connection to power, conductivity probe and relay that can be used to operate a dosing pump, valve, audible alarm, or light.

Range 0.00 to 19.99 μS/cm
Resolution 0.01 μS/cm
Accuracy (@25°C/77°F) ±2% full scale
Calibration manual, with CAL trimmer
Dosing Relay maximum 2A (fuse protected), 250 VAC, 30 VDC
Dosing Selection relay activated (contact closed) when the measurement is greater thant the setpoint
Setpoint adjustable from 0 to 19.99 μS/cm
Overtime adjustable, typically from 5 to approximately 30 minutes
Temperature Compensation automatic from 5 to 50°C (41 to 122°F) with beta =2%/ºC
Power Supply models “-0”: 12 VDC adapter (included)
models “-1”: 115/230 VAC; 50/60Hz
Dimensions 83 x 53 x 99 mm (3.3 x 2.1 x 3.9’’)
Weight models “-0”: 200 g (7.1 oz.)
models “-1”: 300 g (10.6 oz.)
Ordering Information BL983322-1 (115/230 VAC) and BL983322-0 (12 VDC) are supplied with mounting brackets, transparent cover and instruction manual.
Warranty 2 years

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