4-20 mA Process Current Loop Data Acquisition
DATAQ Instruments offers a wide range of environmental 4-20 mA current loop data acquisition products for any application and budget. Choose from Ethernet or USB interfaces, and stand-alone or PC-connected configurations. Included software acquires, displays, reviews, and exports data with ease and without programming. Our hardware and software combinations take you from concept to results in minutes. Most products shown here are voltage mode input devices, but are easily converted to measure 4-20 mA with an inexpensive external shunt resistor that we sell as an accessory (model R250.) This application note shows you how: Learn more about 4-20mA current loop measurements.
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| Model | Interface | Resolution | Channels | Channel Expansion | Max Sample Rate | Display | Data Storage | Measurement Range |
Price |
|---|---|---|---|---|---|---|---|---|---|
| DI-1100 | USB | 12-bit | 4 | No | 20,000 S/s/Ch | PC | PC | ± 10V | $59.00 |
| DI-2108 | USB | 12 to 16-bit | 4 or 8 | No | 220,000 S/s Throughput | PC | PC or USB Flash | ± 10V | $149.00 |
| DI-4208-U | USB | 12 to 16-bit | 4 or 8 | Yes | 160,000 S/s Throughput | PC | PC or USB Flash | ± 2V to ± 100V | $349.00 |
| DI-2108-P | USB | 16-bit | 4 or 8 | Yes | 160,000 S/s Throughput | PC | PC | ± 2.5V to ± 10V; 0-5V, 0-10V | $349.00 |
| DI-4108-E | USB and Ethernet | 12 to 16-bit | 4 or 8 | Yes | 160,000 S/s Throughput | PC | PC or USB Flash | ± 200mV to ± 10V | $399.00 |
| DI-4208-E | USB and Ethernet | 12 to 16-bit | 4 or 8 | Yes | 160,000 S/s Throughput | PC | PC or USB Flash | ± 2V to ± 100V | $399.00 |
| DI-2008 | USB | 16-bit | 4 or 8 | Yes | 200 S/s Throughput 2000 S/s with single channel |
PC | PC | ± 10mV to ± 50V | $299.00 |
| DI-710-UH | USB | 14-bit | 8DI/16SE | No | 4,800 S/s Throughput | PC | PC | ± 1.25V to ± 10V | $499.00 |
| DI-710-UL | USB | 14-bit | 8DI/16SE | No | 4,800 S/s Throughput | PC | PC | ± 10mV to ± 10V | $499.00 |
| DI-710-EH | Ethernet | 14-bit | 8DI/16SE | No | 4,800 S/s Throughput | PC | PC | ± 1.25V to ± 10V | $599.00 |
| DI-710-EL | Ethernet | 14-bit | 8DI/16SE | No | 4,800 S/s Throughput | PC | PC | ± 10mV to ± 10V | $599.00 |
| DI-710-UHS | USB | 14-bit | 8DI/16SE | No | 14,400 S/s Throughput | PC | PC or SD Card | ± 1.25V to ± 10V | $599.00 |
| DI-710-ULS | USB | 14-bit | 8DI/16SE | No | 14,400 S/s Throughput | PC | PC or SD Card | ± 10mV to ± 10V | $599.00 |
| DI-718B-U | USB | 14-bit | 8 | No | 4,800 S/s Throughput | PC | PC | ± 10mV to ± 60V | $595.00 |
| DI-4718B-U | USB | 12 to 16-bit | 8 | Yes | 160,000 S/s Throughput | PC | PC or USB Flash | ± 10mV to ± 60V DI-8B module dependent |
$695.00 |
| DI-718B-US | USB | 14-bit | 8 | No | 14,400 S/s Throughput | PC | PC or SD Card | ± 10mV to ± 60V DI-8B module dependent |
$695.00 |
| DI-710-EHS | Ethernet | 14-bit | 8DI/16SE | No | 14,400 S/s Throughput | PC | PC or SD Card | ± 1.25V to ± 10V | $799.00 |
| DI-710-ELS | Ethernet | 14-bit | 8DI/16SE | No | 14,400 S/s Throughput | PC | PC or SD Card | ± 10mV to ± 10V | $799.00 |
| DI-4718B-E | USB and Ethernet | 12 to 16-bit | 8 | Yes | 160,000 S/s Throughput | PC | PC or USB Flash | ± 10mV to ± 60V DI-8B module dependent |
$799.00 |
| DI-718B-E | Ethernet | 14-bit | 8 | No | 4,800 S/s Throughput | PC | PC | ± 10mV to ± 60V | $795.00 |
| DI-718B-ES | Ethernet | 14-bit | 8 | No | 14,400 S/s Throughput | PC | PC or SD Card | ± 10mV to ± 60V DI-8B module dependent |
$895.00 |
| DI-808 | Ethernet | 16-bit | 8 | No | 40 S/s/Ch | Browser | Internal, USB flash, Cloud | TC Types J, K, T, B, R, S, E, N ± 10mV to ± 50V |
$995.00 |
| GL240 | USB | 16-bit | 10 | No | 100 S/s/Ch | Graphing and Digital | PC, SD Card, Internal | ± 20mV to ± 100V | $995.00 |
| DI-718Bx | Ethernet | 14-bit | 16 | No | 4,800 S/s Throughput | PC | PC | ± 10mV to ± 60V | $1395.00 |
| DI-718Bx-S | Ethernet | 14-bit | 16 | No | 14,400 S/s Throughput | PC | PC or SD Card | ± 10mV to ± 60V DI-8B module dependent |
$1495.00 |
| DI-720-USB | USB | 14-bit | 16DI/32SE | No | 200,000 S/s Throughput | PC | PC | ± 1.25V to ± 10V | $1395.00 |
| DI-720-EN | Ethernet | 14-bit | 16DI/32SE | Yes | 180,000 S/s Throughput | PC | PC | ± 1.25V to ± 10V | $1590.00 |
| GL840-M | USB and Ethernet | 16-bit | 20 to 200 | Yes | 100 S/s/Ch | Graphing and Digital | PC, SD Card, Internal | ± 20mV to ± 100V | $2345.00 |
| DI-730-USB | USB | 14-bit | 8 | No | 150,000 S/s Throughput | PC | PC | ± 10mv to ± 1000V | $3195.00 |
| DI-730-EN | Ethernet | 14-bit | 8 | Yes | 150,000 S/s Throughput | PC | PC | ± 10mv to ± 1000V | $3390.00 |
| DI-788 | Ethernet | 14-bit | 32 | Yes | 180,000 S/s Throughput | PC | PC | ± 10mv to ± 60V | $3995.00 |
Videos
Learn how to make 4-20mA current measurements using the R250 shunt resistor.
