120 Operating Instructions Combics Indicators
Specifications
ADC scale interface 10,000e (option A10, A20)
When used in standard applications (as opposed to legal metrology):
– Display resolution ≤ 100,000 d
– Lowest permissible input signal 1510 d
Using the Equipment in Legal Metrology:
Accuracy class l, m
Verification scale intervals when used as:
– Single-range scale ≤ 10000
– Multi-interval scale ≤ 3125
Maximum e1 ≤ 15100
– Multiple-range scale ≤ 3125
Load cell connection:
– Supply voltage 8.2 V (± 4.1 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 0.328 µV/e
for Pind = 0.3 0.546 µV/e
– Fraction of tolerance for this module:
for Delta U
min
≤ 0.328 µV/e 0.5
for Delta U
min
≤ 0.546 µV/e 0.3
Measuring signal 0 mV to 24.6 mV
Measuring signal variation 3.28 mV to 24.6 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°C
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)
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