The HI1294D is a pH electrode for the direct measurement of pH in soil and soilless substrates.

The HI1294D is a glass body, refillable, single junction pH electrode and is compatible with the HI9814 Groline portable pH/EC/TDS meter.

· Most trusted direct pH electrode in the agriculture industry.

· Measures soil/substrate temperature as well as pH levels

· Stabilizes quickly for highly accurate pH readings