Process Control Parts & Accessories

Walchem WEL Series pH Sensor Cartridge Electrode, 1-1/4" BSPT, 5 VDC, 3 mA, 20' Cable, CPVC, Metric In-Line Mount, Flat Surface, Cartridge Electrode with Preamplifier and Tinned Lead for W100/W600/W900 Water Treatment Controller pH Sensor.

Walchem WEL Series pH Sensor Cartridge Electrode, 1-1/4" BSPT, 5 VDC, 3 mA, 20' Cable, CPVC, Metric In-Line Mount, Flat Surface, Cartridge Electrode with Pt 1000/Preamplifier and Tinned Lead for W100/W600/W900 Water Treatment Controller pH Sensor.

Walchem WEL Series pH Sensor Cartridge Electrode, 1-1/4" NPT, 5 VDC, 3 mA, 20' Cable, CPVC, In-Line Mount, Bulb, Cartridge Electrode with Preamplifier and Tinned Lead for W100/W600/W900 Water Treatment Controller pH Sensor.

Walchem WEL Series pH Sensor Cartridge Electrode, 1-1/4" BSPT, 5 VDC, 3 mA, 20' Cable, CPVC, Metric In-Line Mount, Bulb, Cartridge Electrode with Preamplifier and Tinned Lead for W100/W600/W900 Water Treatment Controller pH Sensor.

Walchem WEL Series pH Sensor Cartridge Electrode, 3/4" FPT, 5 VDC, 3 mA, 20' Cable, CPVC, In-Line Mount, Bulb, Cartridge Electrode with Preamplifier and Tinned Lead for W100/W600/W900 Water Treatment Controller pH Sensor.

Walchem WEL Series pH Sensor Cartridge Electrode, 1" MPT, 5 VDC, 3 mA, 20' Cable, CPVC, Submersion Mount, Bulb, Cartridge Electrode with Preamplifier and Tinned Lead for W100/W600/W900 Water Treatment Controller pH Sensor.

Walchem WEL Series pH Sensor Cartridge Electrode, 1-1/4" NPT, 5 VDC, 3 mA, 20' Cable, CPVC, In-Line Mount, Bulb, Cartridge Electrode with Pt 1000/Preamplifier and Tinned Lead for W100/W600/W900 Water Treatment Controller pH Sensor.

Walchem WEL Series pH Sensor Cartridge Electrode, 1-1/4" BSPT, 5 VDC, 3 mA, 20' Cable, CPVC, Metric In-Line Mount, Bulb, Cartridge Electrode with Pt 1000/Preamplifier and Tinned Lead for W100/W600/W900 Water Treatment Controller pH Sensor.