| STANDARD SPECIFICATION FOR MODULE IN SIGNALOG 4000 SYSTEM CA 243 |
| Typenumber: CA 243 |
Unit |
Function: DC-INSTRUMENTATION AMPLIFIER |
| Accuracy class |
% |
0.05 |
| Bandwidth (-3dB) |
kHz |
100 (G = 20000); 140 (G = 2000) |
| Supply voltage |
V |
± 15 (from dedicated powersupply) |
| Operating temperature |
°C |
0 … 70 |
| RANGE |
|
|
| Range |
mV |
± 0.5 / 1 / 2 / 5 / 10 / 20 / 50 / 100 / 200 / 500 / 1000 / 2000 / 5000 |
| Gain |
Factor |
20000 / 10000 / 5000 / 2000 / 1000 / 500 / 200 / 100 / 50 / 20 / 10 / 5 / 2 |
| Digital fine-gain |
% |
50 … 150 (in 4096 steps) |
| Gain accuracy |
% |
0.05 |
| Gain drift |
%/°C |
0.0025 |
| Linearity |
% |
0.01 |
| INPUT |
|
|
| Impedance |
M Ohm |
1 |
| Capacitance |
pF |
200 |
| Offset voltage drift |
µV/°C |
0,3 typical and 1 maximum |
| Offset current |
nA |
± 25 |
| Offset current drift |
pA/°C |
± 15 |
| Maximum common mode voltage |
V |
± 15 |
| Common Mode Rejection Ratio |
dB |
-90 ... -120 (dependent on range) |
| Noise RTI |
nV/Hz^0,5 |
5 |
| Overload range |
|
7x |
| CALIBRATION |
|
|
| Calibration value |
mV |
1 |
| Calibration accuracy |
% |
0.1 |
| Input-zero suppression |
dB |
-90 ... -120 (dependent on range) |
| OPTION LE-FILTER |
|
|
| Low-pass frequency (-3dB) |
Hz |
OFF / 0.8 / 1 / 1.25 / 1.6 / 2 / 2.5 / 3.15 / 5 / 8 / 10 / 12.5 / 16 / 20 / 25 / 31.5 / 50 / 80 / 100 / 125 / 160 / 200 / 250 / 315 / 500 / 800 / 1k/ 1k25 / 1k6 / 2k / 2k5 / 3k15 / 5k / 8k / 10k / 12k5 / 16k / 20k / 25k / 31k5 / 50k |
| Low-pass type |
|
4-stage Besselfilter, -24dB/Oct |
| OUTPUT |
|
|
| Full-scale voltage |
V |
± 10 |
| Maximum current |
mA |
10 |
| Protection |
|
long-term short-circuit allowed |
| Impedance |
Ohm |
0.5 |
| Slew rate |
V/µs |
± 10 (with 1kOhm load and G = 200 … 20000) |
| Overload recovery time |
µs |
15 (5-times overload) |
| Maximum capacitive load |
nF |
10 |
| Maximum cable-length |
m |
100 (100 pF/m) |
| Noise |
mVrms |
2 |
| GENERAL |
|
|
| Standard Input-connector |
|
7-pole MS-type (no 1/4-bridge + sensing simultaneously) |
| Alternative type |
|
9-pole D-SUB |
| Advantage 9-pole D-SUB |
|
1/4-bridge and 6-wire sensing simultaneously allowed |
| CURRENT OPTION 1 |
|
|
| Current output |
mA |
0 … 20 |
| Maximum voltage |
V |
12 |
| Impedance |
M Ohm |
0.5 |
| BRIDGE-SUPPLY OPTION |
|
|
| Obtained strain-ranges |
mV/V |
± 0.05 / 0.1 / 0.2 / 0.5 / 1 / 2 / 5 / 10 / 20 / 50 / 100 / 200 / 500 (bridge at 10 volts) |
| |
|
|
| Voltage-mode ranges (DC) |
V |
0 / 2 / 5 / 10 |
| Voltage-mode max. current |
mA |
100 |
| Temperature drift |
%/°C |
0.01 |
| Noise voltage (until 10kHz) |
µV |
100 |
| |
|
|
| Current-mode ranges (DC) |
mA |
0 / 16.66 / 41.66 / 83.33 (optimized for 120 a. 350 Ohm brigdes) |
| Output - impedance |
k Ohm |
200 |
| |
|
|
| Bridge-configurations |
|
1/1-, 1/2-bridge (1/4-bridge only on D-type connector) |
| Half-bridge completion |
|
120 Ohm, 0.02%, 2ppm |
| Straingauge impedances |
Ohm |
60 … 3000 |
| |
|
|
| Accuracy (2-wire) |
% |
0.1 (at bridge-connector not including cabling) |
| Accuracy (4-wire) |
% |
0.05 (at bridge including cabling-resistance) |
| Maximum output-voltage |
V |
11 (current-mode or 4-wire compensation) |
| Manual R-balance |
mV/V |
± 0.6 or ± 6.0 |
| |
|
|
| Line-regulation 230V-bridge |
% |
0.01 (or 400µV maximum) |
| TARE OPTION D253 |
|
|
| Digital tare |
|
5 times mesuring range |
| Digital tare accuracy |
% |
0.05 |
| Resolution |
%, FS |
0.02 |
| Digital auto-tare time |
ms |
10 |
Produkte 
