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4-20 mA Current Loop Data Logger

4-20 mA current loop data loggers capture sensor and control data that vary current as a function of measured parameters. Measurements from process current loops are popular in many applications for load, pressure, torque and other mechanical parameters. DATAQ Instruments is an expert in data loggers for process current data applications, and offers a wide range of product solutions for any application. 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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Deployment

Stand-alone Capability
PC-connected Only

Data Storage

PC
Internal
USB Flash
SD Card
Cloud

Live Display

PC
On-board Digital
On-board Graphing
None

Channels

1 Channel
4 Channels
8 Channels
10 Channels
16 Channels
20 Channels
32 Channels
Expandable

Interface

USB
Ethernet

Voltage Measurements Supported

±10V
±10mV to ±10V
±200mV to ±10V
±1.25V to ±10V
0V to ±10V
±10mV to ±50V
±10mV to ±60V
±20mV to ±100V
±2V to ±100V
±10mV to ±1000V

Reset

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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-1110 USB 12-bit 4 or 8 No 160,000 S/s Throughput PC PC ± 10V $89.00
DI-245 USB 16-bit 4 No 2,000 S/s Throughput PC PC ± 10mV to ± 50V $299.00
DI-2108 USB 12 to 16-bit 4 or 8 No 220,000 S/s Throughput PC PC or USB Flash ± 10V $279.00
DI-4108-U USB 12 to 16-bit 4 or 8 Yes 160,000 S/s Throughput PC PC or USB Flash ± 200mV to ± 10V $349.00
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
EL-USB-4 USB 0.05 mA 1 No 1 S/s None Internal 4-20mA $89.99
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.