The Dwyer A3010-LT Photohelic Pressure Switch Gauge combines a pressure gauge and an electrical switch for a 0–10 in W.C. range with 120 V operation. It is housed in a Type 2 enclosure, providing indoor protection for the sensing and switching components. This Photohelic device delivers a switch output at the pressure setpoint while displaying the measured pressure on the built‑in gauge. The model number A3010-LT distinguishes this specific unit from Dwyer’s line of pressure-sensing instruments.
