Fema Electronica K K40-A Series, User Manual

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FEMA ELECTRÓNICA . Series K . K40-A
4
Digits
number of digits 4
led 7 segments led
color red
digit height 20 mm
Reading
maximum reading* 9999
minimum reading* -1999
decimal point configurable X.X.X.X.
overrange flash reading
(see section 1.11)
underrange flash reading
(see section 1.11)
acquisitions 15 readings / second
display refresh 15 readings / second
step response* <300mSec (input 0 to 95% FS)
<500mSec (input 0 to 50% FS)
<1100mSec (input 0 to 10% FS)
*The response time for a TrueRMS measuring system is faster for higher am-
plitude signals. Response times are given for input steps of 10 %, 50 % and
95 % of the full scale (FS), calculated at 99 % of end reading.
Measure
measured signals AC voltages and AC currents
measure technique True RMS
crest factor 3 for nominal accuracy
5 for accuracy of 2.5 % FS
accepted connections phase-neutral and phase-phase
measure coupling ‘AC’ or ‘AC+DC’
(see section 1.9)
scales
(see Table 3)
accuracy
(see Table 3)
thermal drift
(see Table 3)
signal continuity +20 % FS
minimum signal accepted 0.5 % of the scale (configurable)
(see
section 1.12.9)
reading will be ‘0’ for lower signals
input impedance
(see Table 3)
bandwidth (at 99 % FS) 1.3 KHz for AC voltages
2.0 KHz for AC currents
minimum frequency 25 Hz for reading oscillation ±1 count
1.7 Technical specifications
Power
power ‘H’ 85 a 265 Vac/dc
power ‘L’ 11 a 60 Vdc y 24/48 Vac
isolation* 2500 Veff with power ‘H’
1500 Veff with power ‘L’
*all units tested during 60 seconds
consumption <1.5 W only meter
<4.0 W meter with options
Configuration 3 buttons front keypad
(and rear jumper)
Front protection IP65
Output and control options relays, analog outputs, serial communi -
cations, ...
(see section 2)
Mechanical
mounting panel
connections plug-in screw terminal
housing material ABS, polycarbonate (V0)
weight <150 grams
front size 96 x 48 mm (1/8 DIN)
panel cut-out 92 x 44 mm
depth from panel 91 mm (including terminals)
Temperature
operation from 0 to +50 ºC
storage from -20 to +70 ºC
warm-up time 15 minutes
Scale Accuracy Zin
(at 50 Hz and 60 Hz)
Max. signal overload Offset drift Span drift*
*includes offset drift
600 Vac 0.25 % FS 14 M 1000 Vac permanent 150 ppm/ºC 200 ppm/ºC
100 Vac 0.15 % FS 2 M 200 Vac permanent 75 ppm/ºC 100 ppm/ºC
10 Vac 0.15 % FS 200 K 200 Vac permanent 75 ppm/ºC 100 ppm/ºC
1 Vac 0.15 % FS 20 K 65 Vac permanent 75 ppm/ºC 100 ppm/ºC
100
m
Vac 0.20 % FS 1 K 4.5 Vac permanent 75 ppm/ºC 150 ppm/ºC
5 A ac 0.20 % FS 20 mOhm 16 Aac @5 seconds 75 ppm/ºC 150 ppm/ºC
1
A
ac 0.20 % FS 20 mOhm 16 Aac @5 seconds 75 ppm/ºC 150 ppm/ºC
Table 3 - Technical specifications for each input scale