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Walchem
 

Pre-amplifier
±5 VDC Walchem

What do you do when your favorite pH/ORP electrode isn't available with a built-in preamplifier, but you need to send the signal a few hundred feet? Hook up to this external preamp and you can go 1000 feet if necessary! Compatible with all of Walchem's controllers.

NEMA 4X, epoxy coated, die-cast aluminum wall mount enclosure

Boost signal for reliable transmission up to 1,000 ft via 22 awg wire

No temperature simulation resistor required when used with Walchem controllers
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