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*To specify your F2A3X, select the input power, sensor power, desired analog output signal, communications option and alarm output option at checkout.

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Input Range

N/A 5-999,990 RPM speeds below 5 RPM possible with multiple pulses per revolution (0.083 Hz to 250 KHz)

Input Configuration and Voltage Range

N/A 1 to 9,999 pulses per revolution or use a scale factor of 0.0001 to 99,999—PC software programmable, TTL input and 1.1V to 25Vdc signals-Internal Jumper for : ±1 to ±25Vac

Analog Output

N/A Voltage: 0-5Vdc, 5mA max load, Isolated or 4-20mA Isolated, 500Ω max load, Internal 12V compliance voltage. 16 bit resolution. Full scale and offset RPM ranges PC programmable

Output Update

N/A Software selectable up to 244 times/sec-dependent on input frequency


N/A Maximum and minimum recall via PC software


N/A 1/8 DIN by 3.94” (100mm) deep

Input Power

N/A Standard 12-24Vdc 4.5W max or optional 12Vdc to 24Vdc isolated 4.5W max

Sensor Excitation

N/A 10Vdc at 60mA standard or optional 5Vdc at 60mA

Pulse Repeater Output

N/A 0-5V TTL compatible, one pulse out for each pulse in. Polarity is software selectable


N/A Standard: serial-requires USB interface cable, Optional: Ethernet RJ45 or USB type B


N/A Humidity: 80% max for temps up to 31°C, decreasing linearly to 50% RH at 40°C Indoor use only, installation category II per IEC 664 Temperature: -10° to 50°C operating per IEC 61010-1

Electrical Safety

N/A Meets EN61010-1:2001, EC low voltage directive 2006/95/EC