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LabJack T8 Top View
LabJack T4 with cables transparent
LabJack T7
LabJack T7-Pro
LabJack U3-LV
LabJack U3-HV
LabJack U6
U6-Pro
LabJack U12
LabJack T7-Pro
LabJack T4 with cables transparent
LabJack T7
LabJack T8 Top View
LabJack U3-LV
LabJack U3-HV
LabJack U6
U6-Pro
LabJack U12
LabJack T4 with cables transparent
LabJack T7
LabJack T7-Pro
LabJack T8 Top View
LabJack U3-LV
LabJack U3-HV
LabJack U6
U6-Pro
LabJack U12
Price
Regular price Sale price $1,400
Regular price Sale price $245
Regular price Sale price $520
Regular price Sale price $750
Regular price Sale price $155
Regular price Sale price $155
Regular price Sale price $400
Regular price Sale price $470
Regular price Sale price $210
Regular price Sale price $750
Regular price Sale price $245
Regular price Sale price $520
Regular price Sale price $1,400
Regular price Sale price $155
Regular price Sale price $155
Regular price Sale price $400
Regular price Sale price $470
Regular price Sale price $210
Regular price Sale price $245
Regular price Sale price $520
Regular price Sale price $750
Regular price Sale price $1,400
Regular price Sale price $155
Regular price Sale price $155
Regular price Sale price $400
Regular price Sale price $470
Regular price Sale price $210
±11V, to ±0.018V
±10V
±10V, ±1V, ±0.1V and ±0.01V
±10V
0-2.4V
±10V
±10V
±10V
±10V
±10V
±10V
±10V, ±1V, ±0.1V and ±0.01V
±11V, to ±0.018V
0-2.4V
±10V
±10V
±10V
±10V
±10V
±10V, ±1V, ±0.1V and ±0.01V
±10V
±11V, to ±0.018V
0-2.4V
±10V
±10V
±10V
±10V
8
12
14
14
16
16
14
14
8
14
12
14
8
16
16
14
14
8
12
14
14
8
16
16
14
14
8
N/A
N/A
84
84
N/A
N/A
84
84
N/A
84
N/A
84
N/A
N/A
N/A
84
84
N/A
N/A
84
84
N/A
N/A
N/A
84
84
N/A
24 bits
12 bits
16 bits
up to 22 bits
12 bits
12 bits
16 bits
22 bits
12-bits
up to 22 bits
12 bits
16 bits
24 bits
12 bits
12 bits
16 bits
22 bits
12-bits
12 bits
16 bits
up to 22 bits
24 bits
12 bits
12 bits
16 bits
22 bits
12-bits
20
23
23
23
20
16
20
20
20
23
23
23
20
20
16
20
20
20
23
23
23
20
20
16
20
20
20
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
up to 22
22
22
up to 22
22
18
22
22
N/A
up to 22
22
22
up to 22
22
18
22
22
N/A
22
22
up to 22
up to 22
22
18
22
22
N/A
Up to 10
Up to 10
Up to 10
Up to 10
Up to 2
Up to 2
Up to 2
Up to 2
1
Up to 10
Up to 10
Up to 10
Up to 10
Up to 2
Up to 2
Up to 2
Up to 2
1
Up to 10
Up to 10
Up to 10
Up to 10
Up to 2
Up to 2
Up to 2
Up to 2
1
40k samples per channel simultaneous
50 kHz aggregate
100kHz aggregate
100kHz
50kHz aggregate
50kHz aggregate
50 kHz
50 kHz
1.2kHz
100kHz
50 kHz aggregate
100kHz aggregate
40k samples per channel simultaneous
50kHz aggregate
50kHz aggregate
50 kHz
50 kHz
1.2kHz
50 kHz aggregate
100kHz aggregate
100kHz
40k samples per channel simultaneous
50kHz aggregate
50kHz aggregate
50 kHz
50 kHz
1.2kHz
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes-PoE
Yes
Yes
Yes
No
No
No
No
No
Yes
Yes
Yes
Yes-PoE
No
No
No
No
No
Yes
Yes
Yes
Yes-PoE
No
No
No
No
No
No
No
No
Yes
No
No
No
No
No
Yes
No
No
No
No
No
No
No
No
No
No
Yes
No
No
No
No
No
No
Yes
Yes
Yes
Yes
No
No
No
No
No
Yes
Yes
Yes
Yes
No
No
No
No
No
Yes
Yes
Yes
Yes
No
No
No
No
No
Yes
Yes
Yes
Yes
No
No
No
No
No
Yes
Yes
Yes
Yes
No
No
No
No
No
Yes
Yes
Yes
Yes
No
No
No
No
No
Yes
No-Needs InAmp
Yes
Yes
No-Needs InAmp
No-Needs InAmp
Yes
Yes
No
Yes
No-Needs InAmp
Yes
Yes
No-Needs InAmp
No-Needs InAmp
Yes
Yes
No
No-Needs InAmp
Yes
Yes
Yes
No-Needs InAmp
No-Needs InAmp
Yes
Yes
No
No
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes (U12-PH or U12-NTH)
Yes
Yes
Yes
No
Yes
Yes
Yes
Yes
Yes (U12-PH or U12-NTH)
Yes
Yes
Yes
No
Yes
Yes
Yes
Yes
Yes (U12-PH or U12-NTH)
No-not yet!
No-Consider T7 or U6
Yes
Yes
No
No
Yes
Yes
No
Yes
No-Consider T7 or U6
Yes
No-not yet!
No
No
Yes
Yes
No
No-Consider T7 or U6
Yes
Yes
No-not yet!
No
No
Yes
Yes
No
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[1] According to actual measured data, see related Noise and Resolution (App Note).
[2] If not thermocouple ready, can purchase an amplifier like the LJTick-InAmp, see related Thermocouples (App Note).
[3] The T4 has 4 high voltage (±10V) analog inputs plus 8 low voltage (0-2.5V) analog inputs. The U3-HV has 4 high voltage (±10V) analog inputs plus 12 low voltage (0-2.4V) analog inputs.
[4] Use LJTick-DACs to add 16-20 analog outputs.

The U12 is an older devices and are not recommended for most new applications. Consider using the T4, T7, U3, or U6.