The Ultimate in high resolution measurment, ADC 24 is the best there is.
Specifications
| |
ADC-20 |
ADC-24 |
| Resolution |
20 bits |
24 bits |
| Number of channels# |
4 differential / 8 single-ended |
8 differential / 16 single-ended |
| Conversion time (per channel) |
660 ms, 340 ms, 180 ms, 100 ms, 60 ms |
| Voltage ranges |
±2500 mV
±1250 mV |
±2500 mV
±1250 mV
±625 mV
±312 mV
±156 mV
±78 mV
±39 mV |
| Accuracy |
0.2% |
0.1% (±39 mV to 1250 mV range)
0.2% (±2500 mV range) |
| Noise rejection |
120 dB typical at 50/60 Hz |
| Input impedance |
Differential: 2 MΩ
Single ended: 1 MΩ |
| Overload protection |
±30 V |
| Digital I/O |
none |
4 bi-directional (3.3 V CMOS) |
| Reference output |
+2.5 V ±2.5 mV @ 2 mA
+5 V ±1.0 V @ 2 mA
-5 V ±1.5 V @ 2 mA |
24 bit resolution, it is specially made for PT100 sensors , PT104 is a high resolution datalogger. User can select from the wide variety of PT100 sensors available from pico technology, or can use his own sensors. It also comes with an ethernet port.
PT-104 Platinum Resistance Data Logger Specifications
| Input/Output |
| Type |
Temperature |
Resistance |
Voltage |
| Sensor |
PT100, PT1000 |
n/a |
n/a |
| Range |
-200 to +800 °C |
0 to 375 Ω
0 to 10 kΩ |
0 to 115 mV
0 to 2.5 V |
| Linearity |
20 ppm |
| Accuracy (at 25 °C) |
0.01 °C |
20 ppm |
0.2% (2.5 V) |
| Temperature coefficient |
5 ppm/°C |
5 ppm/°C |
100 ppm/°C |
| RMS noise with filter |
0.01 °C |
10 ppm |
10 ppm |
| Resolution |
0.001 °C |
1 µΩ |
0.156 µV |
| Overload protection |
±30 V |
| Number of inputs |
4 |
| Converter resolution |
24 bits |
| Conversion time |
720 ms per channel |
| Input connectors |
4-pin mini DIN |
| Input impedance |
>1 MΩ |
| Output connectors |
USB and Ethernet |
