7.
Technical Specifications
1.
Noise (dB)
Function
Range
Resolution
Accuracy Description
Sound Level
30~130dB
0.1
dB
±1.5
dB
Rate response: 31.5Hz-BKHz
Sampling Time
FAST
125ms
SLOW
1000ms
Overload Indication Shows
"UN"
and "OL"
MAXIMIN
Measurement Shows "MAXIMIN"
Data Holdl Backlight
Shows "HOLD" and turns backlight on or off
Auto
Power Off
Automatically
power off after 5mins without operation.
Low Battery
Indication
3,0~3.5V
Shows low battery prompt when power is
3.0-3.5V
2.
General Type:
a.
LCD display: 4-bit LCD display. The maximum display
is
9999.
b.
Overload indication: The meter shows "UN" when
under range, and shows
"OL" when
over
range.
c.
Low battery indication: prompt
"a",
The new battery
should
be
replaced
in
time.
d,
Sampling rate: fast rate 1/125ms, slow rate
111
s
e.
Sensor type:
1/2
inch condenser microphone
f.
Impact strength: Can withstand the impact of landing
from 1 meter height
g.
Power requirement: 1.5V batteries
(MA)
x3
h.
Product size: 150mmx52mmx27mm
I.
Weight: 116g
3.
Environment
Specification
a.
Indoor use
b.
Altitude height: 2000m
c.
Safety: EN61326-1
d.
Pollution level: 2
e.
Working temperature and humidity:
Oo(
-30
0
(
(not greater than 80%RH)
30
0
(-400(
(not greater than
BO%RH)
40"(-50"(
(not greater than 45%RH)
f:
Storage temperature and humidity:
_200(_60
0
(
(not greater than
BO%RH)
4.
Electrical
Specifications
a.
Accuracy: ±1.5dB (@1kHz Standard audio source).
Calibration period is 1 year.
b.
Environment temperature:
23°(
±
5°(
c.
Environment humidity:
:So:BO%RH
d.
Temperature coefficient:
0.1
x
(Accuracy)/'(
5.
General Maintenance
Warning: please do not open the meter case
to
avoid
affecting device accuracy or damage to the meter.
a.
Maintenance and service of the meter should
be
accomplished
by
professional personnel or designated
maintenance department.
b.
Clean the case by dry cloth periodically. Detergent
with abrasive or solvent composition
shall
not
be
used.
6.
Battery Installation and Replacement
a,
This device uses 3 pieces
of
AAA 1.5V batteries.
Please
see
figure below for steps of battery installation
and replacement.
b,
Turn the panel down, push the battery
cover
open
in
the
direction of the arrow, lift the cover and remove
the batteries; install new batteries
in
accordance of
polarity indications.
c.
Please use batteries of same type instead of improper
ones.
d.
Close the cover tightly after installing new batteries.
Figure 3
UNI-"T:
UNI-TFIENO
TECHNOLOGY,
CHINA>
CO.,
LTO.
No6. Gong
Ye
Bei 1st Road,
Songshan Lake National High-Tech Industrial
Development Zone, Dongguan City,
Guangdong Province, China
Tel:
(86-769) 8572 3888
http://wvlW.uni-trend.com
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