1、 Model code analysis (16925-AA)
16925: Product Series → Unarmored Connection Cable for Seismic Sensors (Different from 16710 Series Armored Cable)
99: Cable length → 99 feet (approximately 30.2 meters) (maximum length of this series, increasing in units of 1 foot/0.3m)
2、 Core technical parameters
1. Electrical and signal characteristics
Core specifications: 4-core shielded twisted pair (2 pairs), 22 AWG, FEP insulation, single-layer and double-layer braided shielding, strong anti-interference ability
Connector configuration: One end is a 3-pin miniature male connector (connected to the sensor), and the other end is an open terminal block (connected to the monitor/preamplifier)
Capacitive characteristics: about 100pF/m, stable signal transmission
Frequency response: 0-10kHz, covering the entire frequency range of vibration monitoring
Rated voltage: 300V AC/DC
Insulation resistance: ≥ 100M Ω (500V DC)
2. Machinery and Environment
Length: 99 feet (30.2 meters)
Outer diameter: approximately 6.0mm (unarmored)
Working temperature: -40 ℃~+105 ℃ (-40 ° F~+221 ° F)
Protection level: IP65 (at the joint), the cable body is oil resistant and dustproof
Bending radius: ≥ 8 times the outer diameter (≥ 48mm)
Weight: Approximately 2.8kg/99 feet
Material: no armor, PVC outer sheath, wear-resistant and anti-aging
3. System adaptation
Adaptive sensors: Seismic sensors such as 330400 (acceleration), 330500/330525/190501 (velocity), 177230 (vibration transmitter), etc
Compatible monitors: 3500/40M, 3500/42M, 2300/20, 1900/65, 990/991 and other monitoring modules
Standard: Complies with API 670 Rotating Machinery Monitoring Standard
Typical applications: Monitoring of casing and bearing vibrations in steam turbines, compressors, pumps, and fans, suitable for long-distance wiring and industrial sites with good environmental conditions