34
Technical Data
Standard specifications Customer-
specific
modifications
Model WZA25-NC WZA224- WZA224-ND WZA1203- WZA523- WZA8202-
N/-NC N/-NC N/-NC N/-NC
Weighing capacity g 20 220 220 1200 520 8200
Readability g 0.00001 0.0001 0.0001 0.001 0.001 0.01
Maximum preload on pan
support w/o limiting the
weighing range, typical
2
) g 0 70 70 0 50 1300
Required preload g 5 – – – – –
Tare range (subtractive) g of the maximum capacity
Repeatability
(standard deviation)
1
) <±g 0.00002 0.0001 0.0001 0.001 0.001 0.01
Linearity <±g 0.00005 0.0002 0.0002 0.002 0.002 0.02
Response time
3
) s 0.8 s/0.01 mg 0.6 s/0.1 mg 0.25 s/1 mg 0.6 s/1.0 mg 0.6 s/1.0 mg 0.6 s/1.0 mg
Adaptation to
ambient conditions By selection of 1 of 4 optimized filter levels
Operating temperature range °C +10 … +30 °C
Allowable ambient
operating temperature °C +5…+40 °C
Sensitivity drift
within +10… +30 °C <±/K 1 • 10
-6
1 • 10
-6
1 • 10
-6
2 • 10
-6
2 • 10
-6
2 • 10
-6
External calibration weight g 10 (E2) 50 (E2) 50 (E2) 500 (E2) 200 (F1) 2000 (E2)
(of at least accuracy class...)
Material:
– Weigh cell: VA (14404, VA (load receptor: chemically nickel-plated aluminum)
(AISI 316L)
Pan stud:
– Electronics module: titanium Transparently passivated aluminum
Net weight, approximate kg 2.0 2.0 2.0 2.0 2.0 2.8
Alternatively:
Supply voltage VDc min. 12 … 26 max., optimal/15 V
Ripple 50/60 Hz 0.5 Vpp (Voltage peak-to-peak)
Power consumption typically 3.4 W (weigh cell only)
switch-on current Average: 6 W (weigh cell only); with optional YAC01ED: display and control unit: 7.3 W (weigh cell + display and
control unit)
Built-in interface RS-232C-S/V24-V28; 7-bit; even, mark, odd, space;
transmission rates: 150...38400 baud,
1 or 2 stop bits; software/hardware handshake
AC adapter
Unit Value
Power supply (primary)
Voltage V
AC
100 – 240 ± 10%
Current A 0.2
Frequency Hz 50 – 60 ± 5%
Power supply (secondary)
At between 0°C and +40°C V
DC
/ mA (max.) / W (max.) 15 ± 5% / 530 / 8
At between +40°C and +50°C V
DC
/ mA (max.) / W (max.) 15 ± 5% / 330 / 5
Installation location, above sea level (NN) m 3000
Protection class according II
to EN/IEC 60950-1
Protection class according IP40
to EN/IEC 60529
1
) = depends on system design
2
) = for operation with greater preload setting, please send e-mail to request YAD018S configuration software; e-mail address: fast.factory@sartorius.com
Greater preloads are possible, but reduce the weighing capacity.
3
) = The weighing time is the time period in which the measured value oscillates within the stated range of the static end value.
Test weight approx. 25% of max.
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