The Electrolab D99 Discrete Analog Nodes are wireless, industrial I/O devices with two selectable discrete inputs and two analog inputs. The 10 V and 18 V Boost Power options allow for maximum compatibility with third party instrumentation and optimal power management for extended battery life. The node is easily configured using switches inside the node housing. Ideal solution for well head pressure, tubing, and casing.



Frequency Hopping Spread Spectrum technology and Time Division Multiple Access Control to ensure reliable data delivery. Transceivers provide bidirectional communication between the Gateway and Node, including fully acknowledged data transmission.


Long battery life

Designed for easy replacement

Compatible with third-party devices

Built-in GUI for streamlined navigation. Minimal tools required for set up

Certified Class I, Division 1, Groups A, B, C, D, IP68, Explosion proof housing



The node is powered with one lithium battery integrated into the intrinsically safe housing. The D99 housing is certified for use in Class I, Div. 1, Groups A, B, C, and D. Class II, Div. 1, Groups E, F, G; Class III, Zone 0 and 20 when properly installed in accordance with the National Electrical Code and applicable local codes and regulations.


Part Numbers

Electrolab D99 Discrete/Analog Nodes are available in four configurations:

  • ELD 99M2D1 – 0 to 20 mA analog/discrete node with 10 V Boost Power

  • ELD99M2D2 – 0 to 20 mA analog/discrete node with 18 V Boost Power

  • ELD99V1D2 – 0 to 10 V analog/discrete node with 10 V

  • ELD99V2D2 – 0 to 10 V analog/discrete node with 18 V Boost Power