Main Specifications
Name
Piezoelectric Balance Dustmeter
Model
Model 3521
Measurement Object
Weight concentration of particles drifting in the air indoor or outdoor
使用温度范围
-10℃～40℃
保存温度范围
-30℃～60℃
Measurement Range
0
～
10mg/m
3
Diameter of Particle to Be
Measured
Below
Φ
10
μ
m
，
below
Φ
7.07
μ
m
（
by changing the impacter nozzle
）
Measurement Time
120s, 24s, 10
～
3600s
（
measured through the menu
）
Measurement Precision
±
10%
（
Indicated value
）
Elutriating Apparatus
Inertial impact elutriating apparatus (impacter)
Suction Flow
1l/min
Cleaning Gear
Manual cleaning crystal
Communication Protocol
Standard RS232
Communication Baud Rate
4800bps, 9600bps, 19200bps (set through the menu)
Number of Data Memory
500
Weight
About 2.4kg
Overall Dimension
65
（
w
）
×180
（
l
）
×150
（
h
）
mm
Power Source
1) AC/Dc adaptor (input: AC100
～
240V)
2) Built-in Ni-Mh cell (9.6V-1.5AH), 4.5h for consecutive use and
5-8h for charging
Attachments (on delivery)
1) Cleaning box ……… 2
2) Cleaning sponge ……… 2group
3) The sponge erection plate ……… 1
4) Cleaning agent ……… 100cc
5) Strap ……… 1
6) Sponge pressure plate ……… 1
7)
Burettes
………
2 个
8
）
AC/DC adaptor ……… 1
9)
Φ
7.07
μ
impacter nozzle ……… 1
10) Communication cable ……… 1
11) Communication software CD ……… 1
12) Directions for use ……… 1 copy
13) Printer (optional) ……… 1 unit
14) Adaptor of printer (optional) ……… 1 unit
15) Print Cable (optional) ……… 1 unit
5
