BZ-SL130W EXTECH美國華儀 噪音監(jiān)測(cè)用報(bào)警儀

Features
User settable high or low limit (30 to 130dB) indication
with output to drive external relay module
Microphone rotates 180° for desired placement
Meets ANSI Type 2 and EN 60651 accuracy specs
compliant to OSHA
Optional 5m (15ft) microphone extension cable for
remote monitoring
Complete with 100-240V AC 50/60Hz adaptor,
microphone windscreen, and built-in wall, desk and
tripod mount (optional Tripod TR100)
Applications
Industrial, Hospitals, Classrooms, and special quiet
zones – When the sound level exceeds the HI set point
the RED LEDs flash and can be seen from 30m 100ft.
Speakers/Educators/Instructors, Auditoriums and
Theaters – The user can set the SL130 so the RED
LEDs flash when the sound level is below the LO set
point where people in the audience may not be able
to hear. When the sound level is above the LO set
point, the GREEN LEDs indicate the sound level is
acceptable. The user can reverse the Red and Green
LEDs activation per user color preference.
Specifications
Display 4.6 x 3.125” multifunction LCD
Measurement ranges (Resolution) 30 to 80dB, 60 to 110dB, 80 to 130dB (0.1dB)
Frequency bandwidth 31.5 Hz to 8 kHz
Microphone 0.5” Electret Condenser Microphone (may be used remotely with optional extension cable)
Frequency weighting ‘A’ and ‘C’ (Programmable)
Response time - Programmable Fast (125ms) / Slow (1s)
Alarm output 3.5mm Mono Phone Plug, Maximum: 3.4mA @ 5 VDC
Minimum Output Voltage 2.5 VDC
Power AC/DC Adaptor for full functions; 8xAA batteries for monitoring function only without LED alert
Dimensions / Weight 8.75 x 7.1 x 1.25" (22 x 18 x 3.2mm)/ 0.63 lbs. (285g)