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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Interface
USB
Ethernet
Web-based
Deployment
Stand-alone
PC-connected
Price
<$250
<$500
<$1000
>$1000

 

DI-1100 Data Acquisition Starter Kit
  • 4 differential armored analog channels
  • 12-bit measurement resolution
  • ±10 V fixed measurement range
  • 20-40 kHz sample rate per channel
  • Includes WinDaq software
  • Includes .NET Class
  • Fully documented command protocol
$59
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DI-1110 Data Acquisition Starter Kit
  • 8 differential armored analog inputs
  • 12-bit measurement resolution
  • ±10 V measurement range
  • 7 digital I/O ports with rate and count
  • 160 kHz sample rate
  • Includes WinDaq software
  • Includes .Net class
$89
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DI-1120 Data Acquisition Starter Kit
  • 4 differential armored analog inputs
  • Up to 64 channels (ChannelStretch™)
  • 14-bit measurement resolution
  • ±2V to ±100V range
  • 160 kHz sample throughput rate
  • Includes WinDaq ready-to-run software and .NET Class
$178
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DI-245 Voltage and Thermocouple Data Acquisition System
  • 4 differential and isolated channels
  • Programmable Voltage or thermocouple type per channel
  • ±10mV to ±50V measurement range
  • Supports types J, K, T, B, R, S, E, and N
  • Fully documented command protocol
$299
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DI-2108 High Speed Data Acquisition System
  • 8 differential analog inputs
  • Anti-alias filter per channel
  • ±10V measurement range
  • Up to 220 kHz throughput
  • 16-bit resolution
  • 7 Digital Ports with rate and count
  • Includes WinDaq/Lite software
$259
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DI-2108-P High Speed Data Acquisition System
  • 8 differential analog inputs
  • Expandable using ChannelStretch
  • 16-bit measurement resolution
  • Programmable measurement ranges
  • 160 kHz throughput
  • 7 Digital Ports with rate and count
  • Includes WinDaq/Lite software
$349
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DI-2008 USb Voltage and Thermocouple Data Acquisition System
  • 8 differential and isolated channels
  • Voltage or TC type per channel
  • Expandable using ChannelStretch™
  • 16-bit measurement resolution
  • ±10mV to ±50V measurement range
  • Rate and count inputs
  • Includes WinDaq/Lite software
$499
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DI-710 Data Acquisition and Data Logger Systems
  • 16 analog inputs
  • 4800 Hz max sample rate
  • ±1.25 V to ±10 V programmable ranges
  • Measure environmental temperature
    & humidity with HMP60 probe
  • Includes WinDaq software
$499
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DI-710 Data Acquisition and Data Logger Systems
  • 16 analog inputs
  • 4800 Hz max sample rate
  • ±10 mV to ±10 V programmable ranges
  • Better than 2 μV resolution on the 10 mV range
  • Includes WinDaq software
$499
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DI-710 Data Acquisition and Data Logger Systems
  • 16 analog inputs
  • 4800 Hz max sample rate
  • ±1.25 to ±10 V programmable ranges
  • Measure environmental temperature
    & humidity with HMP60 probe
  • LAN-compatible Ethernet interface
  • Includes WinDaq software
$599
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DI-710 Data Acquisition and Data Logger Systems
  • 16 analog inputs
  • 4800 Hz max sample rate
  • ±10mV to ±10V programmable ranges
  • Better than 2 μV resolution on the 10 mV range
  • LAN-compatible Ethernet interface
  • Includes WinDaq software
$599
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DI-710 Data Acquisition and Data Logger Systems
  • 16 analog inputs
  • 14.4 kHz max sample rate
  • ±1.25 V to ±10 V programmable ranges
  • Records to PC or SD memory
  • Measure environmental temperature
    & humidity with HMP60 probe
$599
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DI-710 Data Acquisition and Data Logger Systems
  • 16 analog inputs
  • 14.4 kHz max sample rate
  • ±10 mV to ±10 V programmable ranges
  • Records to PC or SD memory
  • Better than 2 μV resolution on the 10 mV range
$599
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DI-718B Data Acquisition and Data Logger Systems
  • 8 analog inputs
  • 4800 Hz max sample rate
  • Uses isolated 8B amplifier modules
  • Makes any industrial measurement
  • Small form factor fits into tight spaces
  • Wide power supply range (9-36 Vdc)
  • Includes WinDaq software
$595
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DI-718B Data Acquisition and Data Logger Systems
  • 8 analog inputs
  • Up to 14.4 kHz max sample rate
  • Any industrial measurement
  • Uses isolated 8B amplifier modules
  • Records to PC or SD memory
  • Small form factor fits into tight spaces
  • Includes WinDaq software
$695
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DI-710 Data Acquisition and Data Logger Systems
  • 16 analog inputs
  • 14.4 kHz max sample rate
  • ±1.25 to ±10 V programmable ranges
  • Records to PC or SD memory
  • Measure environmental temperature
    & humidity with HMP60 probe
  • Includes WinDaq software
$799
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DI-710 Data Acquisition and Data Logger Systems
  • 16 analog inputs
  • 14.4 kHz max sample rate
  • ±10mV to ±10V programmable ranges
  • Records to PC or SD memory
  • Better than 2 μV resolution on the 10 mV range
  • Includes WinDaq software
$799
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DI-718B Data Acquisition and Data Logger Systems
  • 8 analog inputs
  • 4800 Hz max sample rate
  • Any industrial measurement
  • Uses isolated 8B amplifier modules
  • Small form factor fits into tight spaces
  • Wide power supply range (9-36 Vdc)
  • Includes WinDaq software
$795
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DI-718B Data Acquisition and Data Logger Systems
  • 8 analog inputs
  • 14.4 kHz max sample rate
  • Any industrial measurement
  • Uses isolated 8B amplifier modules
  • Records to PC or SD memory
  • Small form factor fits into tight spaces
  • Includes WinDaq software
$895
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DI-808 Voltage and Thermocouple Data Logger
  • Works with any smart device
  • TC, mV, V, pulse inputs
  • Advanced triggering functions
  • Alarm outputs with email/text alerts
  • Manage, receive and retrieve data from across the room, or the other side of the planet
$995
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DI-718Bx Data Acquisition and Data Logger Systems
  • 16 analog inputs
  • 4800 Hz max sample rate
  • Any industrial measurement
  • Uses isolated 8B amplifier modules
  • Includes WinDaq software
  • Wide power supply range (9-36 Vdc)
  • Provided with ActiveX Control set
$1395
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DI-720 Data Acquisition Systems
$1395
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DI-718Bx Data Acquisition and Data Logger Systems
  • 16 analog inputs
  • 14.4 kHz max sample rate
  • Any industrial measurement
  • Uses isolated 8B amplifier modules
  • Records to PC or SD memory
  • Includes WinDaq software
  • Wide power supply range (9-36 Vdc)
$1495
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DI-720 Data Acquisition Systems
$1590
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DI-722 Data Acquisition Systems
  • 32 ruggedized, differential analog inputs
  • Protected to 120 Vrms
  • 50 kHz max sample rate
  • ±2.5 to ±20 V programmable ranges
  • Includes WinDaq software
  • Wide power supply range (9-36 V dc)
$1995
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DI-722 Data Acquisition Systems
$2185
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DI-730 Industrial Data Acquisition Systems
$3195
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DI-730 Industrial Data Acquisition Systems
$3390
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DI-785 Industrial Data Acquisition System
$3995
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DI-788 Industrial Data Acquisition System
$3995
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DI-5001 Data Acquisition Board
$1390
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DI-5001 Data Acquisition Board
$1390
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DI-5001 Data Acquisition Board
  • 32 analog inputs
  • 8 each discrete inputs and outputs
  • 200 kHz sample rate
  • ±1.25 to ±10 V programmable ranges per channel
  • Includes WinDaq software
  • Provided with ActiveX Control set
$1195
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DI-5001 Data Acquisition Board
  • 32 analog inputs
  • 8 each discrete inputs and outputs
  • 200 kHz sample rate
  • ±0.625 to ±5 V programmable ranges per channel
  • Includes WinDaq software
  • Provided with ActiveX Control set
$1195
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