FNIRSI SG-004A 4-20mA Multifunctional Signal Generator
Precision-engineered for industrial calibration, this compact device generates 4-20mA signals, simulates PT100 thermocouples, and tests resistance/pressure transmitters. Its rugged aluminum casing ensures durability in harsh environments, while the high-contrast LCD delivers crisp readings. Ideal for HVAC technicians, automation engineers, and maintenance crews, it streamlines field diagnostics and factory calibration. The zero-drift circuitry guarantees long-term accuracy, and the intuitive knob control simplifies operation—no complex menus. Backed by global wholesale pricing, stock up for team deployments or resale with unbeatable bulk discounts. A must-have for professionals demanding reliability without the premium cost.