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Due to air currents prevailing in the SWC weighing cabinet , it may be necessary t o readjust the filter paramet ers on some
models in order for t he balance t o work wit hin t olerance. T he extended weighing t imes present ed in t he table below were
calculat ed based on filt er set t ings and airflows. T he US Pharmacopeia requires that the minimum sample weight be det ermined
on-sit e. T herefore, t he minimum sample weight s are given as recommended values only. T he act ual minimum sample weight
according to USP is st rongly dependent on the properties of t he t are container.
Ambient
Model
Note
Conditions
LA1200S
Lim ite d to us e
LA620S
with dra ft
LA220S
s hie ld + c o ve r
LA2000P
o nly!
LA620P
No s ta bility
LA5200D
witho ut c o ve r!
LA3200D
LE1003S
Lim ite d to us e
LE1003P
with dra ft
LE623S
s hie ld + c o ve r
LE623P
o nly!
LE323S
No s ta bility
C P 423S
Lim ite d to us e
C P 323S
with dra ft
C P 323P
s hie ld + c o ve r
C P 153
o nly!
ED623S
Lim ite d to us e
ED423S
with dra ft
Uns ta ble
ED323S
s hie ld + c o ve r
ED153
o nly!
M E614S
M E414S
M E254S
LA310S
LA230S
LA230P
LS 120S
LE324S
Uns ta ble
LE244S
C P 324S
C P 224S
Uns ta ble
C P 124S
C P 64
ED224S
Uns ta ble
ED124S
M E235S
With dra ft s hie ld ring
M E235P
M E235S
Witho ut dra ft s hie ld ringUns ta ble
M E235P
LE225D
Uns ta ble
C P 225D
Uns ta ble
M E5
Uns ta ble
M E5-F
Uns ta ble
M E36S
With inte rio r dra ft s hie ld S ta ble
M E36S
Witho ut inte rio r dra ft s hie ld
Uns ta ble
C P 2P
Uns ta ble
C P 2P -F
Uns ta ble
St abilit y Range
S ta ble
2d
S ta ble
2d
S ta ble
2d
1d
S ta ble
1d
S ta ble
2d
1d
1d
1d
S ta ble
2d
1d
1d
1d
1d
1d
2d
1d
1d
1d
T ypical Weighing
T ime
Minimum Weight Achievable
4s
6s
6s
4s
5s
4s
7s
7s
6s
8s
15s
20s
20s
20s
20s
12s
20s
12s
12s
1g
1.5g
2g
2g
2g
150m g
150m g
200m g
200m g
200m g
20m g
30m g
30m g
30m g
2m g
2m g
3m g
3m g
3m g
3m g
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