The SPECTRE 1 Reference Electrode is engineered for unwavering accuracy and durability in water service and submerged environments. Designed to perform where consistency matters most, it delivers precise, repeatable readings even in the most demanding field conditions.

Built with a rugged 1.3" × 8" high-impact ABS housing, the SPECTRE 1 is made to withstand years of service without compromise. Each electrode comes standard with 25 feet of #14 XLPE-RHW-2 insulated lead wire, offering superior protection and flexibility during installation.

When it comes to performance, the SPECTRE 1 sets the standard. Featuring an exceptional stability tolerance of ±5 mV under a 3.0 μA load, it provides dependable accuracy you can trust. Its precision remains consistent across a wide operating range of 32°F to 135°F (0°C to 57.2°C), ensuring reliability in both cold and tropical environments.

Combining robust construction, tight voltage stability, and cost-effective design, the SPECTRE 1 delivers the professional-grade performance that engineers, technicians, and corrosion specialists depend on. It’s built to last, and to perform, year after year.