- 47 -
range of scale initial signal -1~+9mV
input signal sensitivity 0.2uV /d
（
minimum
）
1.5uV/d
（
recommended
）
zero scale range
±1.9%FS
、
±100%FS selectable
tare range
0 ~ +100%FS
operating temperature
-10 ~ 40
℃
℃
operating humidity
90%
≯
（
without dew
）
supply power source
with transformer
AC220V
（
–15%~ +10%
）
，
0.2A
without transformer
AC 7V~10V
，
1A or
：
DC 6V~7.5V
，
1A
relay current
DC 28V
，
2A
；
AC 220V
，
1A
load cell bridge voltage
DC 5V can be connected to 16 cells of not less than 700
Ω
or
8 cells of not less than 350
Ω
