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Weighing unstable samples
•
Totalisation
•
3.
Technical data
3.1
Indicator
Type
Accuracy class
Weighing range
scale intervals (n)
Minimum input voltage per VSI
Maximum capacity of interval (Max
Verification scale interval, e
Initial zero-setting range:
Maximum tare effect:
Fractional factor (pi)
Excitation voltage
Circuit for remote sense
Minimum input impedance
Maximum input impedance
Connecting cable to load cell(s):
Supply voltage:
Operating temperature range
Peripheral interface(s)
3.1.1
Connecting cable between the indicator and the junction box for load cell(s),
if any
3.1.1.1
4-wire system
Line
Maximum length
4.
Interfaces
4.1
Load cell interface
Refer to section 3.1.1.
Any load cell(s) can be used for instruments under this certificate provided the following conditions
are met:
There is a respective test certificate (EN 45501) or an OIML Certificate of Conformity (R60)
•
issued for the load cell by a Notified Body responsible for type examination under the
Directive 2009/23/EC.
The certificate contains the load cell types and the necessary load cell data required for the
•
manufacturer's declaration of compatibility of modules (WELMEC 2, Issue 5, 2009, section
Issued by DELTA
):
i
=
i
4 wires, shielded
The certified length of the load cell cable, which shall be con-
nected directly to the indicator.
Annex to Test Certificate No. DK0199-R76-11.10
KFA-TM / KFE-TM / KFC-TM
III or IIII
Single-interval, multi-range or multi-interval
6000 or 2×3000 for class III,
1,000 or 2×1000 for class IIII
1 µV
n
× e
i
i
Max
/ n
i
i
± 10 % of Max
100 % of Max
0.5
5 VDC
Not active
350 ohm
1200 ohm
See Section 3.1.1
9-12 VDC
Min / Max = -10 °C / +40 °C
See Section 4
Annex page 2 of 7
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