User’s Manual S40-A
FEMA ELECTRÓNICA - Page 4
Technical Data
Digits
4
Type
7 segments, red
Height
14 mm
Display maximum
9999
Display minimum
-1999
Decimal point
selectable 8.8.8.8.
Overrange
9999 flashing
Underrange
-1999 flashing
Signals
accepted
Vac, Aac
Measure Type
TrueRMS
Coupling
selectable “AC+DC” or “AC Only”
Ranges selectable
600Vac
100Vac
10Vac
1Vac
100mVac
5Aac
1Aac
Connection type
Phase-Neutral or Phase-Phase
Oversignal
+20% of the range
Maximum input signal see table 3
Minimum input signal
0.5% of range. Reading will be “0”
for signals lower than this value.
Input impedance
see table 3 (values at 50/60Hz)
Bandwidth (at 98.85%) 1.3 KHz for Vac ranges
2.0 KHz for Aac ranges
Minimum frequency
25Hz for ±1 count oscillation
Accuracy
at 25ºC
see table 3
Acquisitions
15 acquisitions / second
Display refresh
15 display refresh / second
Step response time
<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 fast-
er for high amplitude signals. Response times are given for
input steps of 10%, 50% and 95% of the FS, calculated at
99% of end reading.
Crest Factor
3 for instrument accuracy
5 for 2.5% accuracy
Thermal stability
Offset drift
see table 3
Span drift
see table 3
*span drift includes also the offset drift
Power
Power “H”
85 to 265 Vac/dc
Power “L”
11 to 60 Vdc and 24/48Vac
Consumption <4W
Isolation
3500Veff for power “H”
2000Veff for power “L”
all levels tested for 60 seconds
Configuration
3 frontal push buttons
(rear jumper for range selection)
(internal jumper for coupling se-
lection)
Functions available
Fixed digits
yes, configurable
Filter on display
yes, recursive, configurable
Steps
yes, configurable
Memory of maximum
yes
Memory of minimum
yes
Zeros to the left
yes, configurable
Password
yes, configurable
“Measure”
function
yes
Auto correction high
yes
Auto correction low
yes
Peak & Hold
yes
Double setpoints
yes
Brightness control
yes, 5 levels
Optional boards
2 free slots
Mechanical
Mounting panel
Connections
plug-in screw terminals
Weight
<150 grams
Housing materials
ABS, polycarbonate, vergaflex
Front size
72x36mm
Panel cut-out
69x32.5mm
Deep from panel
98mm (including terminal)
Protection
IP54 standard
IP65 optional (If the housing is
opened, needs to be resealed)
Temperature
Operation 0 to 50ºC
Temperature Storage
–20 to +70ºC
Warm-up
15 minutes
Technical Data (cont.)
Range
Accuracy
Zin
Max. Input Signal
Offset drift
Span drift
600 Vac
0.25% FS
14MOhm
1000Vac permanent
150 ppm/ºC
200 ppm/ºC
100 Vac
0.15% FS
2MOhm
200Vac permanent
75 ppm/ºC
100 ppm/ºC
10 Vac
0.15% FS
200K
200Vac permanent
75 ppm/ºC
100 ppm/ºC
1 Vac
0.15% FS
20K
65Vac permanent
75 ppm/ºC
100 ppm/ºC
100 mVac
0.20% FS
1K
4.5Vac permanent
75 ppm/ºC
150 ppm/ºC
5 Aac
0.20% FS
20mOhm
16Aac @5 sec.
75 ppm/ºC
150 ppm/ºC
1 Aac
0.20% FS
20mOhm
16Aac @5 sec.
75 ppm/ºC
150 ppm/ºC
Table 3 - Input signal range specifications