This manual explains how to use the EchoSwitch II series controller.
The EchoSwitch II is a general-purpose ultrasonic level switch designed to control up to three unique devices, such as pumps, valves, or alarms. It features push-button digital configuration that eliminates the need for target calibration and includes an integrated timer for pump delay and alternation. The device supports simplex, duplex, and triplex options with selectable relay fail-safety.
| Range (LU77) | 4" to 8.2' (10 cm to 2.5m) |
|---|---|
| Range (LU78) | 8" to 24.6' (20 cm to 7.5m) |
| Repeatability | 0.25" (6.35 mm) |
| Supply voltage | 95-250 VAC |
| Contact rating | 60 VA, 1A max |
| Enclosure material | Polycarbonate (PC) |
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No, the EchoSwitch II should not be used within classified hazardous environments.