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Lagos, Ojo, 1 hour ago
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Smart Sensor AR844 Digital Sound Level Meter Noise Level
Brand New
Condition
Other
Type
Store address
4
Lagos State • Ojo
Progress Plaza No 14 Tools and Hardware Center Lagos Trade Fair Complex Badagrey Express Way
Closed
• Mon - Sat, 09:00-18:00
Product description
color: white
material: abs plastic
measuring range: 30~130 dba 35~130 dbc
accuracy ±1.5db
frequency range: 31.5hz to 8.5k hz
resolution 0.1db
frequency weighting: a and c
digital display4 digits
analogy bar graph 1db or 1 bar graph
sample rate 20 times / second
microphone1/2inch polarization capacitance microphone
standardaccording to iec651 type 2 & ansis1.4 type 2
dynamic range: 50db/100db
level ranges: 30-80db; 50-100db; 60-110 db; 80-130db
overload indication over / under
ac signal output: 4vrms/full bar graph, output impedance is about 600 ohm
pwm signal output:duty cycle=0.01xdb value/3.3 x 100%
dynamic characteristic:fast (high speed)/ slow(low speed)
calendar accuracy +-30 seconds/day
data storage quantity 4700
the maximum value holding max
auto power off v (after no operation for 10 minutes)
level range bar graph v
range selection 4 modes
range over indication / battery indication v
backlight display / max & min hold function v
external power supply
Safety tips
- Avoid paying in advance, even for delivery
- Meet with the seller at a safe public place
- Inspect the item and ensure it's exactly what you want
- Make sure that the packed item is the one you've inspected
- Only pay if you're satisfied
