เครื่องวัดเสียง > เครื่องวัดความดังเสียง > เครื่องวัดเสียงดัง > พร้อมสัญญาณเตือน, Extech USA รุ่น SL130
SL130: Sound Level Alert with Alarm
30-130dB Meter with built-in under/over-range LEDs indicators
Features::
• Continuous Monitoring of Sound Level
• Ideal for industrial, hospital, auditoriums, schools and other areas where there is a need for being alerted when sound level reaches set point
• Meets ANSI Type 2 and EN 60651 accuracy.
specs compliant to OSHA
• User settable high or low limit (30 to 130dB) indication with output to drive external relay module
• Wall, desk or tripod mount
• Microphone rotates 180° for desired placement.
Optional 15ft (5m) microphone extension cable for remote monitoring
• Complete with AC adaptor, microphone wind cover,wall, desk or tripod mount (optional Tripod TR100)
Specifications ::
| Display |
4.6 x 3.125" multifunction LCD |
| Frequency bandwidth |
31.5 Hz to 8 kHz |
| Microphone |
0.5" Electret Condenser Microphone (remoteable) |
| Measurement ranges |
30 to 80dB, 60 to 110dB, 80 to 130dB |
| Frequency weighting |
‘A’ and ‘C’ (Programmable) |
| Response time |
Fast (125ms) / Slow (1s) (Programmable) |
| Resolution |
0.1dB |
| 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" / 0.63 lbs. (22 x 18 x 3.2mm / 285g) |
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 100 ft (30m).
• 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.
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