Technical specifications: ¡¡(1)Receiving channel Two channels Sampling interval: 0.1 ¦Ìs ¡« 3276.7 ¦Ìs Sample length: 1K, 2K, 4K Burst mode: single, continuous, signal£¬outside Burst level: 10 %, 20 %¡70 % FRS Band width: 10 Hz ¡« 5 KHz, 10 Hz ¡« 500 KHz, 10 KHz ¡« 500 KHz Sonic time difference range: 0 ¡« 32767 * ¦¤ t ( ¦¤ t is sample interval ) Sonic time difference precision: ¡À 0.1 ¦Ìs Sonic amplitude range: -20 dB ¡«84 dB Sonic amplitude precision: 1.0 % ¡¡(2)Transmission channel One channel Transmission voltage: 100V, 250 V, 500V, 750V, 1000V Transmission width: 1 ¦Ìs ¡« 500 ¦Ìs ¡¡(3)System configuration Host computer: 386 or 486 industrial control PC Flash Disk: 32M Display: 640 x 480 LCD (with back light) General port: RS-232 serial port, printer portOne channel ¡¡(4)Others Dimension: 305mm x 200mm x 210mm Weight: < 7 Kg Operating temperature: -10¡æ¡«+40¡æ 85%RH External power: 220 V AC 50Hz (or 12 V DC ) Power consumption: ¡Ü12 W