Extech Sound Level Alert Extech SL130W-NIST With NIST, Alarm, 0.5" Microphone, 130dB, LCD Display Sound Level Meter Meets ANSI Type 2 and EN 60651 accuracy specs compliant to OSHA. Extech Instruments SL130G Sound Level Alert User's Manual | Manualzz Meets ANSI Type 2 and EN 60651 accuracy specs compliant to OSHA PAGE 1 PRODUCT DATASHEET SL130W Sound Level Alert with Alarm Continuously monitor sound levels throughout the day using the Extech SL130W Sound Level Alert. Bright LEDs (red flashing or green) alert user when sound level is too high or too low - LEDs can be read from 30m (100ft). Wall, desk or tripod mount with optional 15ft (5m) microphone extension cable for remote monitoring. User... User settable high or low limit (30 to 130dB) indication with output to drive external relay module. FLIR Commercial Systems, Inc. - Extech Division SL130W Sound When the sound level exceeds the HI set point the RED LEDs flash and can be seen from 30m 100ft
