Hanna Instruments BL 981411-1 Mini pH Controller

Hanna Instruments BL 981411-1 Mini pH Controller

The BL 981411-1 is a compact pH controller designed for applications where space and cost are at a premium. It features a high-impedance pH input and can be used with any pH electrode with a standard BNC connector. Its adjustable dosing relay can be configured to dose above or below a user-programmable pH setpoint. The user can select between automatic and manual dosing modes, facilitating maintenance and troubleshooting.

Specifications
Large, clear LCD display
Flame-resistant housing
pH range: 0.0 to 14.0 pH
Resolution: 0.1% pH
Accuracy: ±0.2 pH
Calibration
Manual, 1 point per CAL (offset) potentiometer
Dosing relay
Maximum 2 A (fused), 250 VAC, 30 VDC
Dosing selection
Acid or alkaline contact open = acid dosing = relay activated if reading > setpoint, contact closed = alkaline dosing = relay activated if reading
Setpoint: Adjustable from 0 to 14 pH
Overtime: Adjustable, typically from 5 to approximately 30 minutes
Input impedance: 10¹² Ohm
Power supply
BL981411-0: 12 VDC adapter (included); BL981411-1: 115/230 V AC; 50/60 Hz
Dimensions: 83 x 53 x 99 mm (3.3 x 2.1 x 3.9 in)
Weight: BL981411-0: 200 g (7.1 oz); BL981411-1: 300 g (10.6 oz)
Ordering Information
The BL 981411-1 (12 V DC) (115 V) Enclosures
come with mounting brackets
A transparent cover and an instruction manual.