Operating Instructions Combics Indicators  119
Technical Data
ADC scale interface 2*3000e (option A8)
When used in standard applications (as opposed to legal metrology): 
–  Display resolution  ≤ 31250 d 
–  Lowest permissible input signal  625 d 
Using the Equipment in Legal Metrology:
Accuracy class  l, m
Verification scale intervals when used as: 
–  Single-range scale  ≤ 3125e
–  Multi-interval scale  ≤ 3125e
Maximum e1  6250e
–  Multiple-range scale  ≤ 3125e 
Load cell connection: 
–  Supply voltage  8.4 V (± 4.2 V) 
–  Bridge impedance  83 Ω up to 2000 Ω
–  Available sensor technology  4-conductor or 6-conductor technology
When used in legal metrology: 
–  Available sensor technology  6-conductor technology 
–  Max. cable length per gauge  150 m/mm
2
 
–    Lowest permissible input signal 
for Pind = 0.5   0.672 µV/e 
for Pind = 0.3   1.12 µV/e 
–    Fraction of tolerance for this module: 
for Delta U
min
 ≤ 0.672 µV/e  0.5 
for Delta U
min
 ≤ 1.12 µV/e  0.3
Measuring signal  0 mV to 27.7 mV
Measuring signal variation  4.2 mV to 27.7 mV
Sensitivity  4 million digits max. (internal)
Digital protective interface  According to EN45501
Data interface    Bidirectional RS-232 interface 
  with control outputs (5V, TTL standard)
Other data interfaces:  Optional
Display    20 mm LCD, 7-segment plus status symbols, backlit
Housing:  
–  Material  Stainless steel 1.4301
–  Protection class according to EN60529    CAISL1, CAISL2:  IP44 (IP65 as accessory) 
CAIS1, CAIS2:  IP69K
Temperature range  -10°C to +40�
Power supply    100-240 V AC (-10/+10%), 50-60 Hz, 
  max. 17 W / 23 VA 
  optional 15.5-24 V DC (± 10%), max. 12 W 
  optional 13-17 V AC (± 10%), 50-60 Hz, max. 12 W
Emissions    According  to EN61326-1 Class B (IEC 61326-1)
Defined immunity to interference    According to EN61326-1, industrial areas (IEC 61326-1)
Electrical safety    According to EN61010-1 (EC 1010-1)
  Specifications