I. Model Explanation (330500-02-04)

330500: Velomitor standard piezoelectric velocity sensor (4.5Hz - 5kHz)

02: Installation thread 3/8-24 UNF

04: 4m integrated cable, standard connector, no explosion-proof certification (industrial general type)

II. Core Parameters (Electrical / Mechanical)

Measurement type: Absolute vibration velocity (bearing box / casing)

Sensitivity: 3.94mV/mm/s (100mV/in/s) ±5%

Frequency response range:

4.5Hz - 5kHz (±3dB)

6Hz - 2.5kHz (±0.9dB)

Range: 0 - 1270mm/s (0 - 50in/s) peak

Power supply: 24V DC (22 - 30V), ≤10mA

Output: Voltage signal (directly connected to 3500/42 etc. monitoring modules)

Shell: 316L stainless steel, IP67, rainproof and corrosion-resistant

Temperature: -55℃ - +121℃ (operation); -65℃ - +135℃ (storage)

Cable: 4m original cable, cannot be shortened, the longest extension can reach 305m

Installation: 3/8-24 UNF thread installation, any angle (horizontal / vertical)

Torque: 4 - 7Nm (35 - 62in-lbf)

III. Standard Accessories

Sensor: 330500-02-04 (4m cable, 3/8-24 thread)

Monitoring module: 3500/42 seismic monitoring card, 3300/55 dual-speed monitoring card

Extension cable: Optional as needed (up to 305m)

IV. Typical Applications

Rotating machinery: pumps, motors, fans, compressors, gearboxes (rolling bearing equipment)

Conditions: humid, dusty, corrosive environment (no additional protective shell required)

General vibration monitoring in non-explosion-proof areas, replacing eddy current probes (when unable to measure shaft vibration)