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USB-TEMP and USB-TC Series

USB-TEMP-AI/TC-AI Specifications, continued

RTD Measurement Accuracy: T0x-T3x

RTD

Sensor Temp.

Range (°C)

Accuracy

Error Max.

(°C)

Accuracy

Error Typ.

(°C)

Tempco

(°C/ °C)

PT100,

DIN, US

or ITS-90

–200

2.913

2.784

0.001

–150

1.201

1.070

0.001

–100

0.482

0.349

0.001

0

0.261

0.124

0.001

100

0.269

0.127

0.001

300

0.287

0.136

0.001

600

0.318

0.150

0.001

Ix+ = 210 µA. All specifications are (±).

Thermistor Measurement Accuracy: T0x-T3x

Thermistor

Sensor

Temp.

Range (°C)

Accuracy

Error Max.

(°C)

Accuracy

Error Typ.

(°C)

Tempco

(°C/ °C)

2252 Ω

–40

0.001

0.0007

0.001

0

0.021

0.008

0.001

50

0.263

0.130

0.001

120

3.473

1.750

0.001

5000 Ω

–35

0.001

0.0006

0.001

0

0.009

0.004

0.001

50

0.115

0.049

0.001

120

1.535

0.658

0.001

10000 Ω

–25

0.001

0.0005

0.001

0

0.005

0.002

0.001

50

0.060

0.028

0.001

120

0.771

0.328

0.001

30000 Ω

–10

0.001

0.0005

0.001

0

0.002

0.001

0.001

50

0.019

0.009

0.001

120

0.267

0.128

0.001

Ix+ = 10 µA. All specifications are (±).

Typical Thermistor Resistance Measurement Range

Temp (°C)

Thermistor

2252 Ω

3000 Ω

5 kΩ

10 kΩ

30 kΩ

–40

76 kΩ

101 kΩ

168 kΩ

240 kΩ

885 kΩ

–35

55 kΩ

73 kΩ

121 kΩ

179 kΩ

649 kΩ

–30

40 kΩ

53 kΩ

88 kΩ

135 kΩ

481 kΩ

–25

29 kΩ

39 kΩ

65 kΩ

103 kΩ

360 kΩ

–20

22 kΩ

29 kΩ

49 kΩ

79 kΩ

271 kΩ

–15

16 kΩ

22 kΩ

36 kΩ

61 kΩ

206 kΩ

–10

12 kΩ

17 kΩ

28 kΩ

48 kΩ

158 kΩ

–5

9.5 kΩ

13 kΩ

21 kΩ

37 kΩ

122 kΩ

0

7.4 kΩ

9.8 kΩ

16 kΩ

29 kΩ

95 kΩ

Resistance values >180 kΩ cannot be measured by the device in thermistor mode.

Absolute Accuracy: V0x-V3x

Range

Absolute Accuracy (mV)

±10 V

±2.779

±5 V

±1.398

±2.5 V

±0.707

±1.25 V

±0.362

Noise Performance

Range

Peak to Peak

Noise (µV)

RMS Noise

(µVrms)

Noise-Free

Resolution (Bits)

±10 V

41.13

6.23

19.09

±5 V

30.85

4.67

18.51

±2.5 V

17.14

2.60

18.36

±1.25 V

11.14

1.69

17.98

Settling Time: V0x-V3x

Range

Accuracy ±0.0004% (seconds)

±10 V

15.0

±5 V

0.40

±2.5 V

0.40

±1.25 V

0.40

Specifications

Accuracy Components

Range

Gain Error

(% of Reading)

Offset error

(µV)

INL error

(% of range)

Gain Temperature

Coefficient (ppm/°C)

Offset Temperature

Coefficient (µV/°C)

±10 V

0.0246

16.75

0.0015

3.68

0.42

±5 V

0.0246

16.75

0.0015

3.68

0.42

±2.5 V

0.0246

16.75

0.0015

3.68

0.42

±1.25 V

0.0246

16.75

0.0015

3.68

0.42

All specifications are (±).