Reliable Products Trustworthy People Signal Conditioners & Interface Key Features • Works with a remote / external pulse frequency output sensor (NPN, PNP, or Mag Pick-up) • Accepts a wide range of input frequencies 0.01 Hz to 10 kHz • 4-20 mA and 0-10 VDC outputs proportional to shaft speed • Field adjustable calibration • 115, 230 VAC (50-60 Hz) and 12, 24 VDC power options • DIN rail mount • Optional explosion proof enclosure • Optional NEMA 4, NEMA 4X, or NEMA 12 enclosure kit The SA420 Digital Signal Conditioner provides an analog signal directly proportional to the speed of a rotating shaft. The 0-10 VDC and 4-20 mA output signals can be sent to a digital display, PLC, chart recorder, loop controller, drive speed controller or other control/monitoring device. The wide voltage range and wave shape flexibility of the SA420's sensor input circuitry enables it to translate input signals from Hall Effect sensors, proximity switches, magnetic sensors, and a wide variety of other pulse generator devices, into analog outputs. An example of a standard SA420 system includes the SA420 DIN rail mount module, a 906 Hall Effect Shaft Speed Sensor, and a 255 Pulser Disc. Other shaft speed sensor and pulser target options are available. Options: Protective Enclosures Explosion Proof • Model 305-001600 UL Listings: - Class I, Div I, Class B, C, D - Class II, Div I, Class E, F, G - Class III, Div I, Type 4 Standard System with: SA420, 906 Speed Sensor, 255 Pulser Disc 6111 BLUE CIRCLE DRIVE Enclosure Kits - NEMA NEMA 4X - Model 725-000006 • 10x8x6, Fiber Glass • Swing Out Door and Window NEMA 12 - Model 725-000004 • 8x6x6, Steel

Reliable Products Trustworthy People SA420 Specifications Input Power 115 VAC, 60 Hz (std) 230 VAC, 60 Hz (opt) 12 VDC (opt) 24 VDC (opt) Programmable Types Max. Amplitude Frequency Range Minimum Input for Full Scale Output Analog Output Signal Types Part Number Input Signal Sensor Supply Signal Conditioners & Interface 12 VDC @ 50 mA Max. Open collector NPN / PNP Logic Level 5 V Nom. 3 V Min. Magnetic Sensor +/- 75 MV Min. 125 Vpk-pk Max. 0.01 Hz to 10 kHz 0.5 Hz = 3.8 RPM @ 8 PPR (lower range available) 0-10 VDC, 4-20 mA with 500Ω Load Max. 0.1% Linearity for Both Outputs Accuracy Step Response...