HANNA BL981411-0 镶嵌式pH控制器，0.1分辨率，12VDC

Specifications
Range     0.0 to 14.0 pH
Resolution     0.1 pH
Accuracy (@25°C/77°F)     ±0.2 pH
Calibration     manual, 1 point through CAL (offset) trimmer
Dosing Relay     maximum 2A (fuse protected), 250 Vac, 30 VDC
Dosing Selection     acid or alkaline
contact open=acid dosage=relay ON if measurement > setpoint
contact closed=alkaline dosage=relay ON if measurement < setpoint
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 VAC; 50/60Hz
Dimensions     83 x 53 x 99 mm (3.3 x 2.1 x 3.9’’)
Weight     BL981411-0: 200 g (7.1 oz.);
BL981411-1: 300 g (10.6 oz.)
Ordering Information     BL981411-0 (12 VDC) and BL981411-1 (115V) are supplied with mounting brackets, transparent cover, and instruction manual.

datasheet