The Hanna's BL931700 Mini pH Controller is a compact and cost-effective solution for pH monitoring in tight spaces. It offers accurate pH control with a manual two-point calibration, adjustable dosing relay, and selectable overdose protection. Ideal for process industries, it supports both automatic and manual dosing modes. The controller features a clear LCD, BNC input, analog 4–20 mA output, and safety functions such as external disabling and fuse-protected dosing contacts for reliable and secure operation.

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