Access Senquip Application Notes — detailed documents explaining configuration, integration, and data setup for each supported system.
Connecting to a 4‑20 mA Level Sensor
APN0003 | Revision 1.0 | April 18, 2024
This document details how to connect a Senquip ORB‑X1 to an industrial 4‑20 mA level or pressure transmitter, scale and calibrate the readings, and send the resulting data to a remote portal. It explains wiring for both loop‑powered and externally powered sensors, describing how to enable the ORB’s internal current source when required. The note walks through calibration steps using reference levels, shows how to apply scaling factors within the settings menu, and discusses noise‑reduction techniques such as shielded cabling and filtering. Power‑management recommendations are provided for solar‑ and battery‑powered deployments, using adjustable measurement and transmission intervals to extend run‑time. Example graphs illustrate the relationship between sensor current and liquid depth. When implemented, this configuration delivers accurate remote tank or bore monitoring with low power consumption and minimal maintenance.
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