3 technical specifications – Flintec FT-12 Manual User Manual
Page 7

FT-12 Technical Manual, Rev. 1.35 November 2010
Page 7 of 44
3.3 Technical
Specifications
Accuracy
Accuracy class:
III
EU Type approved:
10 000 intervals (single range); 2x 6 000 intervals (dual range)
Display and Keyboard
Display:
6 digits, 7 segments, LED red, 20 mm high (Panel type 14 mm high)
Display update rate:
250 ms
Keyboard:
18-keys; membran with tactile feedback
A/D Converter
A/D converter type:
24 bit Delta-Sigma ratiometric with integral analog and digital filters
Conversion rate:
Max. 100 measurement values per second
Input sensitivity:
0.4 μV/e (approved), 0.1 μV/d (non approved)
Analogue input range:
0 to 20 mV
Internal resolution:
Up to 8 000 000 counts
Display resolution:
Up to 60 000 counts
Scale Calibration and Functions
Calibration:
Calibration is performed by application weights
Corner adjustment:
Only externally
Digital filter:
In 10 step adjustable
Application modes:
Basic weighing, filling, check weighing, dynamic weighing and peak hold
Weighing functions:
Tare, zero, auto zero tracking, motion detection, auto zero at power up
Programmable setpoints:
9 groups with 3 setpoints each (needs digital I/O option)
Alibi memory:
Optionally available: 74 880 records or 149 760 records
Linearity:
Within 0.0015% FS,
2 ppm/°C
Load cells
Excitation:
5 V DC at 58...1200
max. 100 mA
Number of load cells:
Up to 6 load cells (350
) or 18 load cells (1 100 ) connected in parallel
Connection:
4- or 6-wire technique. Cable length 274 m/mm² for 6-wire connection
Communication:
Standard serial interface RS232C; 1 200 to 57 600 baud; programmable
Continuous mode update rate:
100 ms
Option board update rate:
40 ms
Power supply:
AC Power supply
200…240 V AC, 50/60 Hz
DC Power supply
optionally 12…17 V DC, max. 12 VA or optionally 20…27 V DC, max. 12 VA
Battery runtime:
5 h (with 93
LC) to 7 h (with 410 LC)
Battery charging time:
6 h
Environment and Enclosure
Operation temperature:
-10 °C to +40 °C legal for trade; max. 85% RH, non-condensing
Enclosure
Aluminium cast desk type (IP30) or
panel type (front panel IP65) or
stainless steel (IP65)