Sound Level Meter

Specifications:-

Display:

14mm (0.55″) LCD with Backlight

Parameter Measurement :

LP, Lmax, Leq, LN.

Frequency range:

31.5Hz~8kHz

Measurement range:

LP :30~130dB (A)
35~130dB (C)
35~130 dB (F)
Leq:30-130dB
LN: 0~100%

Resolution:

0.1 dB

Accuracy :

±1dB

Memory :

Maximum value (30groups)

Time Weighting:

(a)Fast (125ms) (b) Slow(15 second)

Low Battery:

Indicated

Alarm Output :

LED Optional Relay Contact(NC)

Alarm Value set :

30~130dB

PC Interface:

RS232C

External DC Power supply :

6V DC, 100mA

Dimension:

236 x 63 x 26mm (9.3 x 2.5 x 1 inch)

Weight:

170g (Including Batteries)

Accessories with Instrument :

1. Main Unit---------------1pc
2. Carrying Case................1pc.
3. Operation Manual..........1pc.

Optional Accessories :

1. ND9 sound level meter calibrator
2. Cable and software for RS-232
3. External relay
4. AC Adapter

Measurement range         :  

LP :30~130dB (A)

Resolution                            :

0.1 dB

Accuracy                                 :

±1.5dB

Standard applied

IEC61672 -1 CLASS2

Accuracy

±1.4dB

Frequency range

31.5HZ ~ 8KHZ

Dynamic range

50dB

Memory

32700 Data

Level ranges

LO: 30dB~80dB

Med : 50dB~100dB

Hi - 80dB~130dB

Auto - 30dB~130dB

Frequency weighting

A/C

Time weighting

FAST ( 125ms ), SLOW ( 1s )

Microphone

1/2 inch electret condenser microphone

Display

4 digits Backlit LCD display with a resolution of 0.1dB

Display Update

2 times/sec

MAX hold

Hold the Maximum reading

MIN hold

Hold the Minimum reading

HOLD

Hold the readings

Alarm function

“OVER”is when input is more than upper limit of range.“UNDER”is when input is less than lower limit of range

Analog output

AC/DC outputs from earphone outlet AC=1Vrms, DC=10mV/dB

Data output

USB data traffic

Auto power off

Meter automatically shuts down after approx. 15 minutes of inactivity

Power supply

One 9V battery, 006P or NEDA1604 or IEC 6F22

Power life

About 30hours

Operation temperature and humidity

0°C~40°C, 10%RH~90%RH

Storage temperature and temperature

-10°C ~+60°C, 10%RH~75%RH

Dimension

278 (L) x 76 (W) x 50(H) mm

Weight

350g

Air Velocity

Range

Accuracy

Resolution

m/s(meter per second)

1.0~30.00

±3% ±0.20m/s

0.01

ft/min(feet per minute)

196~5900

±3% ±40ft/min

1

km/h(kilometers per hour)

3.6~108.0

±3% ±0.8km/h

0.1

MPH(miles per hour)

2.2~67.0

±3% ±0.4MPH

0.1

Knots(nautical miles per hour)

1.9~58.0

±3% ±0.4knots

0.1

Air Temperature

-10~60ºC(14~140ºF)

± 2.0ºC(4.0ºF)

0.1ºC/ºF