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The 879x Hybrid Gas Density Monitor offers continuous, drift-free monitoring of insulating gases with RS485/Modbus output. Combining quartz sensor tech and a reference chamber, it delivers precise, temperature-compensated readings from –40 degrees Celsius to 80 degrees Celsius. Ideal for harsh environments, it supports multiple switchpoints, optional display dial and test/re-fill valve. With no recalibration or maintenance needed, it's built for long-term, cost-effective use—compatible with SF6 and eco-friendly gases, and compliant with RoHS/REACH standards.
