+GF+ Signet 3-2839-1V Conductivity Resistor Sensor

The +GF+ Signet 3-2839-1V is a high-performance conductivity/resistivity electrode designed for demanding water quality monitoring applications. As part of the Signet 2839-2842 series, this sensor features an ultra-low cell constant of 0.01 cm⁻¹, making it specifically engineered for high-purity water measurement including reverse osmosis, deionization, and semiconductor applications .

Manufactured by Georg Fischer Signet (GF Signet), a global leader in fluid measurement technology, the 3-2839-1V combines precision engineering with rugged construction to deliver accurate and repeatable conductivity measurements in the most critical processes .

Key Technical Specifications

The +GF+ Signet 3-2839-1V offers exceptional performance characteristics verified by multiple industrial distributors:

Specification Detail

Model Number 3-2839-1V 

Cell Constant 0.01 cm⁻¹ 

Measurement Range 0.055 – 100 μS (10 kΩ – 18.2 MΩ) 

Accuracy ±2% of reading (calibration certificate included) 

Wetted Materials 316 Stainless Steel electrodes, PVDF insulator 

Process Connection 3/4" NPT dual-threaded 

Cable Length 4.6 m (15 ft) standard, 3-conductor shielded 

Temperature Sensor PT-1000 RTD integrated 

Temperature Response 5 seconds (t63) 

Operating Temperature -10°C to 100°C (14°F to 212°F) 

Maximum Pressure 6.9 bar @ 100°C (100 psi @ 212°F) 

Weight 0.8 lbs (as configured) 

Why Choose the +GF+ Signet 3-2839-1V?

For engineers and procurement specialists seeking a reliable conductivity sensor for high-purity applications, the 3-2839-1V offers distinct advantages:

Ultra-low cell constant (0.01 cm⁻¹) specifically engineered for high-purity water measurement 

Proven accuracy with ±2% performance and individual calibration certificate 

Superior materials - 316 SS electrodes with PVDF insulators for excellent chemical resistance 

Versatile installation with dual-threaded design for in-line or submersion mounting 

Integrated PT-1000 for accurate temperature compensation 

Clog-resistant design with triple orifice flow-through 

The +GF+ Signet 3-2839-1V represents the ideal solution for critical high-purity water monitoring applications where accuracy, reliability, and material compatibility are paramount. Backed by GF Signet's decades of expertise in fluid measurement, this conductivity resistor sensor delivers the performance required for today's most demanding processes.