Specifications 9

Thermocouple Input Range:

Type J: -18 to 1200°C (0 to 2192°F)

 

Type K: -129 to 1372°C (-200 to 2502°F)

 

Type T: -101 to 400°C (-150 to 752°F)

 

Type E: -184 to 1000°C (-300 to 1832°F)

 

Type R: 204 to 1768°C (400 to 3214°F)

 

Type S: 204 to 1768°C (400 to 3214°F)

 

Type B: 538 to 1820°C (1000 to 3308°F)

 

Type N: -129 to 1300°C (-200 to 2372°F)

Cold Junction

±1.0°C

Compensation Accuracy:

Input Voltage Range Relative

-10 to +10 Vdc

To Analog Common (COM):

Input Resistance:

1MΩ (single ended);

 

2MΩ (differential); ±5%

Absolute Maximum Input Voltage:

±20 V maximum,

 

relative to analog common

Warm-up:

1 hour to rated specifications

USB Device Type:

USB 2.0 (full-speed)

Device Compatibility:

USB 1.1, USB 2.0

Power Supply:

From USB(Port) or 9 Vdc adaptor

External Power Source:

Required when used with a bus-powered

 

hub;

DIN Rail Mounted For

Optional

Rack Application:

Open Thermocouple Detect:

Automatically enable when a channel is

 

configured for a thermocouple sensor.

Limitations of the Total Recording

1 G or 500M (in PC)

Memory Size:

MCU:

32 bit

 

NOTE:

All temperature specifications assume unit is held in relatively still air environment.

NOTE:

UNIV-AC-100/240, the external power supply is a Universal Power Adaptor. It is a 100-240 VAC to+9 Vdc output adaptor

9-2

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Omega Engineering OM-DAQ-USB-2401 Thermocouple Input Range, Cold Junction, Compensation Accuracy, To Analog Common COM