GAIN EXPRESS SLM-389 - User Manual

SOUND LEVEL METER
USER MANUAL
www.cd50.net/389/
USER
MANUAL
User Manual
INTENDED USE
SYNCHRONIZE TIME VIA PC SOFTWARE FOR PROPER METER LOGGING
PRODUCT FEATURES
SPECIFICATIONS
METER DESCRIPTION
1
dB
SOUND LEVEL METER
USBREC
SEL
www.cd50.net/389/Scan the QR code:
Thank you very much for your patronage and choosing our products. Before you use this
product, please read this manual carefully as it will familiarize you with the correct
operating procedure.
Wide Measurement Range: 30 ~ 130 dB.
Upper Limit Setting
Sound and Light Alarm
External Alarm Output Interface: Can be connected to an external 12V alarm
speaker, with adjustable alarm duration time.
Six Analog Bar Level Indicators
Data Storage: Records data once every 2 seconds and can continuously store data
for up to one year.
Data Records Download and Real-time PC Connection Function: Allows you to
display real-time data sheets and charts, export and print data sheets and charts.
The PC software is compatible with Win7, Win8, and Win10.
1. Hanging hook: (standard accessories, installed according to needs) center spacing
280mm;
2. Wall hook hole: center spacing 184mm;
3. 1/4 "inch copper nut, the user can fix the device on the tripod through the copper
nut;
4. USB power interface 5V/1A.
5. Alarm output port, used for external horn, the horn needs to be purchased
separately. It is recommended to use 12v alarm horn with 3.5mm headphone plugs;
6. Calibration button, reserved in the factory, the instrument has been calibrated at the
factory, please do not implement self-adjustment;
7. Built in buzzer
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1. Download and install the free EnvironmentalTester software from the QR code or URL
provided below.
2. Launch the software and then connect the decibel meter to the computer using the
provided USB cable. The software interface should appear as shown below, indicating
that it is now ready for use.
3. Click the "Sync" button to synchronize the current time
NOTE:
When it is ready to use,
it should display
"Connected"
1
2
Decibel value
Alarm indicator USB indicator
Test probe: 5m
Sound
probe
REC indicator
Analog bar level
Range
Accuracy
Resolution
Frequency weighting
Frequency response
Sampling rate
Time weighting
Sensor
Test prode
Display
Alarm output
Alarm alert
Working environment
Storage environment
Product size
Weight
Power
30~130dB
±1.5dB (sound pressure reference,94dB@1KHz)
0.1dB (＜10dB); 1dB (＞100dB)
A weighting
31.5Hz ~ 8.5KHz
2 times/s
FAST, 0.5s
6mm condenser microphone sensor
5m
LED digital tube, single character 4" inches
12V high level
Sound + light
0 ~ 40°C; max 80%RH,indoor altitude ＜2000m
-10 ~ 60°C; max 70%RH
323 x 173 x 40mm
Approx. 980g
DC 5V / 1A
1 12 3
4 5
6 7
When using it for the first time, ensure you synchronize the current time
using the software; otherwise, you won't be able to export recorded data
IMPORTANT

GAIN EXPRESS SLM-389 Specifications