User manual

SL130-EU-ENG 3.1 6/08 2
Introduction
Congratulations on your purchase of the Extech SL130 Sound Level Alert. Designed for
wall mount, desk, tripod mount operation, this meter meets IEC Type 2 Sound Level Meter
standards. Included is a High/Low Limit Set Point with 4 two color high intensity LED limit
exceed indicators and a large OVER indication when the set level is exceeded. An Alarm
Output can be used to drive a larger or a remote indicating device such as a “QUIET” sign.
Professional features include programmable A/C Weighting and Fast/Slow Response time,
Max Memory with time stamp, and a Clock display. The microphone can be rotated 180
degrees to accommodate any meter location. The bright LED’s are functional only when
the AC power adaptor is used. Careful use of this meter will provide years of reliable
service.
Specifications
Applicable standards Meets IEC 60651-1979 and ANSI S1.4 1983 Type 2
SLM standards
Display 11.7 x 7.94cm (4.6” x 3.125”) multifunction LCD
Frequency bandwidth 31.5 Hz to 8 KHz
Microphone 13.2mm (0.5”) Electret Condensor Microphone
Measurement ranges 30 to 80dB, 60 to 110dB, 80 to 130dB
Frequency weighting ‘A’ and ‘C’
Response time Fast (125ms) / Slow (1s)
Resolution 0.1dB
Max Hold Maximum reading is displayed with time stamp
Alarm output 3.5mm Mono Phone Plug, 3.4mA @ 5 Vdc, typical
Limit range 30 to 130dB
Under range indication
“- - -“
Over range indication
“OL”
Power AC adaptor (9V@500ma)
(8 AA batteries without the LED feature)
Battery life 240hrs continuous (approx); 30 days @ 8hrs/day
(LED’s are not functional when battery powered)
Operating temperature 0 to 50
o
C (32 to 122
o
F)
Operating humidity Less than 80% RH
Dimensions / Weight 22x18x3.2cm / 285g (8.75x7.1x1.25" / 0.63 lbs).