เนื้อหาวันที่ : 2012-10-09 23:04:37 จำนวนผู้เข้าชมแล้ว : 1930 views

Sound Level Alert with Alarm

30-130dB Meter with built-in under/over-range LEDs indicators
Wall, desk or tripod mount with optional 15ft (5m) microphone extension cable for remote monitoring
Bright LEDs (red flashing or green) can be read from 100ft (30m)
Continuous monitoring of sound level in 3 ranges: 30 to 80dB, 60 to 110dB, 80 to 130dB
User adjustable high or low limit (30 to 130dB) with output to drive external relay module
Built-in desk, wall and tripod mounts
Meets ANSI Type 2 and EN 60651 accuracy specs - compliant to OSHA
Complete with 100-240V AC 50/60Hz adaptor and microphone wind

Mail to: Extech Instruments Corporation
9 Townsend West
Nashua, NH 03063
U.S.A.
Fax us: 603-324-7864