Model SA-1N4

Non-Hazardous Location Gas Detection

Features

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Model SA-1N4 gas detection sensors are designed to detect and monitor toxic, oxygen and combustible gases in ambient air. Sampling is via diffusion. The design features a full range of sensor technologies; electrochemical sensors, photo ionization detectors, non-dispersed infra-red and a multi spectrum combustible gas detection sensor. Specific gas type is determined by installing a selected Model SA1 smart sensor module. Each sensor module stores gas type, range of sensitivity and the last zero and span calibration data points.

All electronics are contained within a NEMA 4X weather proof enclosure suitable for installation in non-hazardous locations. Model SA-1N4 gas detectors feature non-intrusive calibration using a small magnet or an Android™ phone or tablet and the Safeguard OpCheck application. The col-or graphic display provides simple and intuitive user interface with real time readings and full script service instructions. Device status is readily determined by screen color; green normal – no alarm condition, yellow alarm level 1, red alarm level 2 and blue indicates a fault condition.

Faults Monitored

OpCheck

OpCheck combines continuous supervision of the gas sensor element and associated circuits then adds analysis of performance data during routine calibration to create a high level of safety and reliability in every Safeguard Analytics gas detection sensor. Using the Bluetooth connection and an Android phone or tablet, OpCheck service reports are readily available in single de-vice or site wide formats. The reports can be uploaded via text or email.

Fail Safe Diagnostics

Detector  •  Input Voltage  •  Zero Drift •  Signal Loop  •  Processor Memory

Performance Diagnostics

Zero Stability  •  Span Drift  •  Response Time  •  Signal Stability  •  Sensor Life  •  Clearing