Here are schematics and wiring diagrams, in Adobe Acrobat (pdf) format, for many of our products. If the schematic or wiring diagram you need is not listed below, or if you are unsure as to the applicability of a particular drawing, please contact our Service Department. Some of the drawings posted here are applicable to older or obsolete units.
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1000 Series Digital Models Wiring Diagram
1000 and 4000 Series Digital Models Display Board Schematic
4000 Series UL Classified Intrinsically Safe Models Schematic
4000 Series UL Classified Intrinsically Safe Models Wiring Diagram
LD/RM Series Bipolar 15V Power Supply Schematic
LD/RM Series With Analog Meter Multi-Alarm Circuit Board Schematic
LD/RM Series With Analog Meter Multi-Alarm Control Wiring Diagram