Overview – LW Measurements HRB 224 Magnetic Force Balance User Manual
Page 27

Overview
Specifications
Model
Unit
HRB-120.4
HRB-220.4
Accuracy class
I
I
Scale interval (d)
mg
0.1
0.1
1
1
g
m
)
e
(
l
a
v
r
e
t
n
i
e
l
a
c
s
n
o
i
t
a
c
i
f
i
r
e
V
Maximum capacity (Max)
g
120
220
Overload Alarm
Max +9d
Max +9d
Zero range
g
120
220
Maximum allowed tolerance mg
Repeatability error
mg
Operating temperature range
+15
+35
Sensitivity drift
within+15… +35°C
/K
о
-6
о
-6
Response time (average)
s
Match with the used
environment
Optimized 4 Level filter
Display update
s
0.2
0.2
External calibration weight
(of at least accuracy class…)
g
100(E
2
)
200(E
2
)
Net weight, approx.
kg
3.0
3.0
Pan size (inner diameter)
mm
Ɏ
Ɏ
Weighing chamber height
(from pan to cover)
mm
200
200
Dimensions (W+D+H)
mm
оо
оо
AC power source/
Power requirements
V
AC adapter, AC 100 240 V
Frequency
Hz
50 60 Hz
DC power source
/Power requirements
5
.
7
V
1
W
n
o
i
t
p
m
u
s
n
o
c
r
e
w
o
P
0
m50g
±0.5mg
50g
˘
m
120g
±1mg
0
m50g
±0.5mg
50g
˘
m
200g
±1mg
200
˘
m
220g
±1.5mg
0
m50g
0.5mg
50g
˘
m
120g
1mg
0
m50g
±0.5mg
50g
˘
m
200g
±1mg
200
˘
m
220g
±1.5mg
25