LabJack | Measurement & Automation
 
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Analog Inputs

LabJack makes multiple data acquisition (DAQ) and control products with analog inputs. The devices analog inputs differ in quantity, input voltage range, effective resolution, and adjustable gain options.

Product Comparison

U12 U3-LV U3-HV U6 U6-Pro UE9 UE9-Pro T4 T7 T7-Pro
Voltage Range[1] ±10V 0-2.4V ±10V [2] ±10V ±10V ±5V ±5V ±10V[5] ±10V ±10V
Analog Inputs 8 16 16 14 14 14 14 12 14 14
With Mux80 N/A N/A N/A 84 84 84 84 N/A 84 84
Effective Resolution [3] 12 bit 12 bit 12 bit 16 bit 22 bit 12 bit 20 bit 12 bit 16 bit 22 bit
Adjustable Gain No No Yes Yes Yes Yes Yes No Yes Yes
LJTick Compatible [4] No Yes Yes Yes Yes Yes Yes Yes Yes Yes
Screw Terminals
On Board 8 8 8 4 4 4 4 8 4 4
With CB15/CB37 8 16 16 14 14 14 14 12 14 14
  1. Voltage range can be expanded with a LJTick-Divider.
  2. Can be configured for -10V to +20V range.
  3. According to actual measured data, see related Noise and Resolution (App Note)
  4. Useful LJTicks for analog inputs are the InBuff, InAmp, Divider, and the CurrentShunt
  5. The T4 has 4 high voltage (±10V) and up to 8 low voltage (0-2.5V) analog input lines

LabJack also makes several accessories to assist in measuring a variety of analog signal sources. Useful accessories for analog inputs are:

  • Mux80 - Multiplexes the analog input channels to provide up to 84 analog inputs.
  • LJTick-InBuff - Useful for measuring super weak signals.
  • LJTick-InAmp - Useful for amplifying low voltage signals.
  • LJTick-Divider - Useful for measuring high voltage signals.
  • LJTick-CurrentShunt - Converts 4-20mA signals into measurable voltages.
  • LJTick-VRef-41 - Produces a stable 4.096V signal commonly used as an excitation voltage.
  • LJTick-VRef-25 - Produces a stable 2.5V signal commonly used as an excitation voltage.

For more information about our devices analog input systems please look at their datasheets.

DAQ Devices

T7
$450/$400 OEM
High performance, USB, Ethernet, WiFi
  • USB, Ethernet, and WiFi connectivity
  • Fully compatible with Modbus TCP
  • 14 analog inputs
  • 16+ bits of resolution
  • T7-Pro: Up to 22-bit resolution
  • ±10V, ±1V, ±0.1V, and ±0.01V ranges
  • 100k samples/s max stream rate
  • Expand to 84 channels with Mux80
  • Optional NIST traceable Calibration Certificate.
  • AIN-EF: Hardware scaling & processing
  • 2 analog outputs
  • 23 digital I/O
  • Up to 12 timer and counter features
  • Run Lua scripts in hardware
T7: 450.00
T7-Pro: 600.00
T7-OEM: 400.00
T7-Pro-OEM: 550.00
T4
$229/$189 OEM
Low cost USB and Ethernet
  • USB and Ethernet connectivity
  • Fully compatible with Modbus TCP
  • Up to 12 analog inputs
  • 12-bit resolution
  • 4 dedicated ±10V analog inputs
  • Up to 8 0-2.5V analog inputs
  • 50 ksamples/s max speed
  • AIN-EF: Hardware scaling & processing
  • 2 analog outputs
  • Up to 16 digital I/O
  • Up to 10 timer and counter features
  • Run Lua scripts in hardware
T4: 229.00
T4-OEM: 189.00
U3
$135/$95 OEM
Our most affordable DAQ
  • USB Connectivity
  • Up to 16 analog inputs
  • 12-bit resolution
  • Some 0-2.4V range and some ±10V range
  • 50 ksample/s max stream rate
  • 2 analog outputs
  • Up to 20 digital I/O
  • 2 timers and 2 counters
U3-LV: 130.00
U3-HV-OEM: 95.00
U3-LV-OEM: 90.00
U3-HV: 135.00
U6
$345/$310 OEM
Exceptional price and performance
  • USB Connectivity
  • 14 high quality analog inputs
  • 16+ bits of resolution
  • U6-Pro: Up to 22-bit resolution
  • ±10V, ±1V, ±0.1V, and ±0.01V ranges
  • 50 ksamples/s max stream rate
  • Expand to 84 channels with Mux80
  • Optional NIST traceable Calibration Certificate.
  • 2 analog outputs
  • 20 digital I/O
  • 4 timers and 2 counters
U6: 345.00
U6-Pro: 410.00
U6-OEM: 310.00
U6-Pro-OEM: 360.00
UE9
$670/$770
The original USB and Ethernet DAQ
  • USB and Ethernet connectivity
  • 14 analog inputs
  • 12–16 bit resolution
  • UE9-Pro: Up to 20-bit resolution
  • ±5V and 0-5V ranges
  • 50 ksamples/s max stream rate
  • Expand to 84 channels with Mux80
  • 2 analog outputs
  • 23 digital I/O
  • 6 timers and 2 counters
UE9: 670.00
UE9-Pro: 770.00
U12
$180/$130 OEM
The original LabJack
  • Our original groundbreaking USB DAQ device
  • 8 analog inputs, 12 bit resolution, 1.2 ksamples/s
  • 2 analog outputs
  • 20 digital I/O
  • 1 counter
U12: 180.00
U12-NTH: 130.00
U12-PH: 140.00

DAQ Services

Calibration Service with Cert U6/UE9/T7

NIST traceable calibration of the U6, T7, or UE9.  Includes a calibration certificate.

CAL_SERVICE: 70.00

Product Comparison

View Brochure
T-Series
UD Series
Legacy
U3-LV U3-HV U6 U6-Pro T4 T7 T7-Pro
Price $130 $135 $345 $410 $229 $450 $600
Voltage Range 0-2.4V ±10V [1] ±10V ±10V ±10V [4] ±10V ±10V
Analog Inputs 16 16 14 14 12 14 14
Effective Resolution [2] 12 bits 12 bits 16 bits 22 bits 12 bits 16 bits 22 bits
Digital I/O 20 16 20 20 16 23 23
Logic Level 3.3V 3.3V 3.3V 3.3V 3.3V 3.3V 3.3V
Analog Outputs 2 2 2 2 2 2 2
Counters Up to 2 Up to 2 Up to 2 Up to 2 Up to 10 Up to 10 Up to 10
Maximum Sample Rate 50 kHz 50 kHz 50 kHz 50 kHz 50 kHz 100 kHz 100 kHz
USB Yes Yes Yes Yes Yes Yes Yes
LJTick Compatible Yes Yes Yes Yes Yes Yes Yes
Internal Temp Sensor Yes Yes Yes Yes Yes Yes Yes
Thermocouple Ready [3] No No Yes Yes No Yes Yes
Ethernet No No No No Yes Yes Yes
Modbus TCP No No No No Yes Yes Yes
On-board Scripting No No No No Yes Yes Yes
Built-in WiFi No No No No No No Yes
OEM Version Yes Yes Yes Yes Yes Yes Yes
Calibration Service with Cert No No Yes Yes No Yes Yes
Recommended [5] Yes Yes Yes Yes Yes Yes Yes

[1] Can be configured for -10V to +20V range.
[2] According to actual measured data, see related Noise and Resolution (App Note)
[3] If not thermocouple ready, can purchase an amplifier like the LJTick-InAmp, see related Thermocouples (App Note)
[4] The T4 has 4 high voltage (±10V) and up to 8 low voltage (0-2.5V) analog input lines
[5] The U12, UE9, and UE9-Pro are older devices and are not recommended for most new applications. Consider using the T4, T7, U3, or U6.


For more details see this comparison app note.

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