Extech SL130W Instruction Manual
User's Manual
Sound Level Alert
Model SL130
Meets IEC Type 2 Sound Level Meter Standards
Settable Limit with large bright High/Low LED level exceed indicators
Wall or Desk mountable
Extra large LCD display with bargraph
Maximum level display with time stamp
Introduction
Congratulations on your purchase of the Extech SL130 Sound Level Alert.Designedfor
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 programmableA/CWeighting 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 brightLED’s are functionalonlywhen
the AC power adaptor is used. Careful use of this meter will provide years of reliable
service.
Specifications
Applicable 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
Power AC adaptor (9V@500ma)
Battery life 240hrs continuous (approx); 30 days @ 8hrs/day
Operating temperature 0 to 50oC (32 to 122oF)
Operating humidity Less than 80% RH
Dimensions / Weight 22x18x3.2cm / 285g (8.75x7.1x1.25" / 0.63 lbs).
Meets IEC 60651-1979 and ANSI S1.4 1983 Type 2
SLM standards
“- - -“
“OL”
(8 AA batteries without the LED feature)
(LED’s are not functional when battery powered)
2
SL130-EU-ENG 3.1 6/08
Meter Description
1. Microphone
2. Over LimitDisplay
3. Bargraph
4. dBdisplay
5. OFF/ON/AUTO switch
6. Alert LEDs
7. Clock display
8. Max leveldisplaywith time stamp
9. Set limit
10. MAX RESET button
Rear Control Panel
1. Rangeselectswitch
2. Time set buttons
3. Limitset buttons
4. Calibrationadjustment
5. A/Cselectbutton
6. F/S selectbutton
Side Panel
1. LEDcolor switch– Greenposition
2. LEDcolor switch– Red-Greenposition
3. LEDcolor switch– Red position
4. High-LowLimit Alarmswitch
5. Remote Alarm outputconnector
6. ACadaptorconnector
Rear Panel
1. Tiltstand
2. Batterycompartment
3. AC Adaptorconnector
4. Remote Alarm outputconnector
5. Windscreen
3
SL130-EU-ENG 3.1 6/08
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