Fema Electronica M Series, User Manual, Page: 4 / 24

FEMA ELECTRÓNICA . Series M . M50-P
4
Digits
number of digits 5
led 7 segments led
color red or green
digit height 14 mm
Reading
maximum reading* 99999
minimum reading* -99999
decimal point configurable -.X.X.X.X.X.
note : the instrument allows for 6 digit scaling. If using the sixth digit,
display filters may be needed in order to stabilize the reading.
acquisitions 3.5 readings / second
display refresh 3.5 readings / second
step response <300 mSec. (0 % to 99 % signal)
overrange flash reading (see section 1.9)
underrange flash reading (see section 1.9)
Signal ranges (see Table 1)
Accuracy at 25 ºC
(see Table 1)
Thermal drift
(see Table 1)
Excitation voltage configurable
voltage +20 Vdc, +15 Vdc, +10 Vdc, +5 Vdc
accuracy ±5 %
maximum current 35 mA
protection short circuit protected
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 IP54 standard
IP65 optional
(see section 3.2)
)
Output and control options relays, analog outputs, serial communi -
cations, ...
(see section 2)
1.7 Technical specifications
Ranges Accuracy Zin Max. signal overload Offset drift span drift*
*includes offset drift
4/20 mA 0.03 % FS 11 Ohm 100 mA permanent 10 ppm/ºC 25 ppm/ºC
0/10 Vdc 0.03 % FS 932 KOhm 100 Vdc permanent 10 ppm/ºC 25 ppm/ºC
±20 mA 0.03 % FS 11 Ohm 100 mA permanent 10 ppm/ºC 25 ppm/ºC
±10 Vdc 0.03 % FS 932 KOhm 100 Vdc permanent 10 ppm/ºC 25 ppm/ºC
Table 1 - Input signal range specifications
Functions included Section
Segment linearization up to 20 segments 1.10.5
Display filters recursive
steps
fixed digits
dummy zero
left zeros
1.10.4
Memory max. and min. readings 1.10.4
Password configuration block 1.10.12
‘Measure’ yes 1.10.6
‘Field correction’ yes, high and low signals 1.10.2
‘Peak & Hold’ yes 1.10.4
Alarms double setpoints
activation delays
deactivation delays
hysteresis
inverted relays
locked alarms
1.10.3
Display brightness 5 levels 1.10.15
‘Fast access’ yes 1.10.6
‘Tare’ function yes 1.10.9
‘On Power Up’ yes 1.10.8
Table 2 - Functions included
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