General Specifications
Model: EPRO SP1404

Type: Digital speed (RPM) monitoring and protection module

Application: Overspeed/underspeed detection for rotating machinery

Compliance: API 670 (Machinery Protection Standard)

Input Parameters
Sensor Compatibility:

Magnetic Pickups (MPU)

Proximity Probes (Eddy Current)

Optical Encoders

Signal Input:

Pulse Input: 5–30V AC/DC (adjustable)

Frequency Range: 1 Hz – 15 kHz

Measurement Range:

RPM Range: 0–30,000 RPM (configurable)

Pulses per Revolution (PPR): Programmable (1–60 pulses)

Output & Alarms
Relay Outputs:

2 SPDT Relays (250VAC/5A) for overspeed/underspeed alarms

Adjustable Delay Timers (0.1–10 sec)

Analog Output: 4–20 mA (linear to speed)

Display: 4-digit LED (real-time RPM readout)

Electrical & Environmental
Power Supply: 24 VDC (±10%) or 90–265VAC (auto-ranging)

Power Consumption: <5W

Operating Temperature: -30°C to +70°C

Protection Rating: IP20 (panel-mounted)

Certifications
CE, UL (industrial safety)

ATEX/IECEx (optional for hazardous areas)

Mechanical Specifications
Mounting: DIN Rail (35mm) or panel mount

Dimensions: 100mm (W) × 110mm (H) × 60mm (D)

Weight: 400g

Typical Applications
Gas/Steam Turbines

Compressors & Pumps

Power Generation Equipment

Critical Rotating Machinery