Download BA 500 Series Strain Gage Amplifier

BA 500 Series
Strain Gage Amplifier
Description
wide adjustment range. It provides direct
The BA 500-Series is a miniature ampliconnectivity to a range of analog input defier, designed to provide a signal condivices as required: PLC, display, chart retioning for full bridge strain gage sensors.
corder, PC with A/D card etc. The BA500It can be installed directly in the transseries can be connected in 3 wire or 4 wire
ducer. A internal voltage reference supOriginal size
mode and used in installations requiring long
plies the excitation voltage for a ≥350 ohm
19,5 x 12 mm
cable length. The unit is CE compliant, but it
sensor. The zero and span adjustment is
performed by a zero and span potentiometer with a is needed to be tested in the installed condition again.
Specifications
Power supply
Versions
BA 501
BA 502
BA 504
Typ.
24
12
24
V min
15
8,5
18
V max
30
14
28
Output
0,1 to 10 V 0,1 to 5 V 4 –20 mA
1)
Bridge Sensitivity
mV/V
2,2 to 3
Potentiometer adj. range (approx.
values @ sensitivity 2.5 mV/V)
- Span
%
±15
±15
±15
- Zero
%
-10/+20
-20/+40
±15%
Bridge excitation
V nom.
8
5
8
Bridge resistance
Ω
350 . . . 5000
- without bridge
mA
approx. 10 approx. 10 approx. 10
- with 350Ω bridge connected
mA
approx. 30 approx. 25 approx. 30
Bandwidth (-3dB)
Hz
1000
1000
2000
Output load
Ω
>5000
>2500
<1000 at
24V (sink
mode)
Non-linearity
%
Supply current
1)
0,02
Temperature coefficient’s
(typ.)
Zero
%/°C
0,002
0,0035
0,002
Span
%/°C
0,005
0,005
0,005
Operating temperature
°C
-40 ...+ 85
Dimensions
mm
dia. 19,5 x 12
To accommodate other sensitivities the gain resistor can be changed. A formula on how to calculate the required resistance value is provided in
the operating manual that is supplied with the instrument.
Subject to change without notice
Vishay Measurements Group GmbH
Tatschenweg 1
DE-74078 Heilbronn
Status: March 2001
www.vishaymg.de
Email: [email protected]
Fon: +49 (0) 7131 39099-0
Fax: +49 (0) 7131 39099-29