Greenlee PE620 Alarm Loop Verifier/Tone Generator [並行輸入品]

商品説明

Features: Designed specifically as a security and alarm continuity tester, the PE620 Loop Verifier can be connected to a Normally-Open or Normally-Closed loop pair Provides a distinct audible tone when the alarm condition occurs. Latching feature identifies intermittent failures (swingers) and confirms operation of switches at remote locations. In latching mode, the Loop Verifier will catch the alarm condition and continue until the tester is reset. Specifications: Electrical Power: 9V Battery Battery Life (Nominal): 100+ hours tone, 15+ hours audible signal Tone Frequency: 900/1100 Hz alternating, nominal Tone Output: +3 dBm into 600 ohms Continuity: N.O. on 50k ohms, off 80k ohms; N.C. on 120k ohms, off 80k ohms Latch Sensitivity: Any occurrence 100 microseconds case: High-impact ABS case