DSL 331

Sound Level Datalogger,DSL 331

Features :

• Auto Ranging Measurement  30dB to 130dB
• Work with Window Software
• 32,000 Records Data Logger
• Bar graph Indication with Back Light 
• RS-232 Real Time Display Software for Window 95/98/2000  
• Frequency Weighting: A, C
• 4-Digit Display with updated cycle 0.5s
• 0.1dB resolution
• Max/Min  Hold Function
• The standard Fast and Slow Time weightings
• AC/DC signal output
• Overload condition indication
• Auxiliary output jack
• IEC 651 Type II, ANSI S1.4 Type2
• Calibration Potentiometer easy to adjust
• Back screw hole tripod connection
• External Power DC 9V input 
• Calibration Potentiometer easy to adjust

Specifications : 

Standard Applied:	IEC651 Type 2, ANSI S1.4 Type 2
Frequency Range	31.5Hz ~ 8KHz
Measuring Level Range	30 ~ 130dB
Frequency Weighting	A/C
Microphone	1/2 inch electric  condenser microphone
Display	LCD Back Light Function
Digital Display	4 digits ,    Resolution: 0.1dB,    Display Update: 0.5 sec
Analog Display	50 segment Bar graph, Resolution, Resolution: 1dB, Display update: 50mS
Time Weighting	FAST (125mS); SLOW(1 Sec)
LEVEL Range	Lo: 30 ~ 80dB ; Med: 50~ 100dB, Hi: 80~ 130dB;      Auto Range : 30~ 130 dB
Accuracy	±1.5dB (under reference condition at 94dB 1KHz)
Measuring Level Range	30 ~ 130dB
Dynamic Range	100 dB
Over and Under range Indication Function	"OVER" is displayed, while input is more than upper limit of range. ; " UNDER" is displayed, while input is less than lower limit of range.
MAX/MIN Hold	Hold Reading the Maximum and Minimum Value
AC Output	1V rms at FS (Full Scale),                                           output impedance :      Approx. 100 Ω
DC Output	10mV/dB, Output impedance approx. 1K Ω
Auto Power Off	30 minutes if no operation
GENERAL
Power Requirement:	One piece 9V battery NEDA 1604
Power Life	About 50 Hours (Alkaline battery)
AC Adapter (option)	Voltage 9VDC (8~ 15 V DC Max) ; Supply current : > 30mADC
Operation Temperature	0 to 40 ºC (32 to 104 ºF)
Operation Humidity	10 to 90% RH
Storage Humidity	10 to 75% RH
Weight:	10 oz(285g)
Accessories:	9V battery, Carrying case, calibration screwdriver, 3.5Ø plug,  windscreen and owners manual.
Tripod Connection Hole	Able to connect Camera Tripot Stand

audio level meter,audio meter,calibration,calibrator,calibrators,decibel,decibel meter,decibel metre,digital sound level meter,level meter,level sound,lux meter,measurement noise,measurement of noise,noise level,noise level meter,noise levels,noise measure,noise measurement,noise measurements,signal level meter,sound level,sound level measurement,sound level measurements,sound level meter,sound level tester,sound levels,sound meter,sound meter level,sound meters,sound pressure level,water level meter