Four-Input Probe Interface Module (Maximum three per console. Includes terminal connector for one ground temperature thermistor for the volumetric line leak detector.

Eight-Input Smart Sensor Module

Compatible with: Series 7943 Interstitial Sensor for Fiberglass Tanks and Interstitial Sensor for Steel Tanks Series 7943 Piping Sump Sensor Series 7943 Hydrostatic Sensor

Four-Relay Output Interface Module

Two-Input/Two-Relay Output Interface Module

Provides a 25-pin D-connector for data transmission to P.O.S. terminal, printing device, or computer