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SGA-A-and-SGA-D0 pages
APPLIED MEASUREMENTS LTD.
3 Mercury House, Callewa Park, Aldermaston, Berkshire, RG7 8PN
Tel: +44 (0) 1189 817339 | Web: www.appmcas.co.uk
Fax: +44 (0) 1189 819121 | Email: info@appmcas.co.uk
SGA/A a SGA/D
Strain Gauge/Load Cell Amplifier/Signal Conditioner
Features
■ Very Stable Bridge Excitation
■ Selectable Sensitivity
■ High Frequency Filtering
■ User Selectable Analogue Outputs
High Specification:
■ IP65 ABS field case with cable glands
■ Surface mount PCB
■ Wide range filtering 1 Hz to 5kHz
■ Switch selectable offset ±70% FS
■ Excitation: regulated 10V@110mA
■ 3 year manufacturer's warranty
■ Full CE approval
Introduction
Flexible Solution: Simultaneous voltage and current output
10v Excitation for up to 4 x 350R Strain Bridges 230/110VAC or 18-24Vdc power supply
Adjustable transducer sensitivity 0.1 to 30 mV/V Direct connection to a PLC, a display unit, industrial
User-selectable analogue output ±10V, ±5V, 0-10V, 0-5V, 0-20mA, instrumentation, chart recorder, or a P (with A/D card)
4-20mA An LVDT version of this unit is also available.
Simple to use
All parameters configurable by DIL switch An ideal product to stock
Clear and concise operating instructions supplied
Cost Effective
Attractive discounts on quantity orders Fast delivery times
Specifications
Parameter
Power supply (SGA/A):- (110/230Vac) 50 - 60Hz
Power supply DC :-
Power supply IS 12/24 - Isolated
Power supply current DC :- (depends on loading)
Bridge excitation 350R Strain Gauge
Bridge resistance
Bridge sensitivity (Switchable)
Gain adjustment (Pot - fine adj.)
Offset adjustment (Pot - fine adj.)
Offset adjustment (Switchable - coarse adj)
Output load (Voltage output)
Output load (Current output)
Bandwidth (No filter and > 2mV/V) - 3d B point
Filter cut-off (Switchable ranges) - 3 d B point
Zero temperature coefficient (@2.5mV/V)
Span temperature coefficient
Linearity
Gain stability -1st 1000 Hours
Gain stability - 2nd 1000 Hours
90 day Offset stability
Output load stability gain (0 -100%)
Output load stability offset (0 -100%)
Power supply rejection gain (0 -100%)
Power supply rejection offset (0 -100%)
Operating temperature range
Storage temperature range
Humidity
*N.B. 18V max at full load FR= Full Range
Minimum
18
9
50
9.5
85
0.06
0.06
-1.25
±1.25
0
DC
1
Typical
110/230
90
10
0.002
0.007
0.03
0.2
0.1
3.3
-10
-20
Maximum
24*
36
200
10.5
29
1.0
+ 1.25
±79
2
500
6
5000
0.009
0.01
0.01
0.01
0.01
0.01
50
70
95
Units
VAC
V DC
V DC
mA
V
Ohms
mV/V
mV/V
%FR
%FR
mA
Ohms
kHz
Hz
%/ °c a
%/ °c
%FR
%FR
%FR
uV
%FR
%FR
%FR
%FR
°C
°C
%
!2.5mV/V FR
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