ETX-1812,RTD Calibrator,Handheld RTD Calibrator,Calibrator for RTD,0.05% Accuracy

Function

Measure

Source

DC V

0~30V

Not available

Resistance

0~3200Ω

0~3200Ω

RTD

Pt100, Pt1000, Cu50, Cu100

Pt100, Pt1000, Cu50, Cu100

Others

Stepping output, ramp, phase step output, user-defined range

Range

Maximum measurement range

Resolution

Accuracy (% of reading + Count)

ETX-1812

ETX-2012

30V

0V~31V

0.001V

0.05+2

0.02+2

-10°C~18°C,+28°C~55°C temperature coefficient,±0.005%FS/°C.

Input resistance: >1MΩ.

Range

Maximum measurement range

Resolution

Accuracy (Ω)

ETX-1812

ETX-2012

2-wire, 3-wire

4-wire

2-wire,

3-wire

4-wire

400Ω

0~440Ω

0.01Ω

0.25

0.15

0.15

0.10

3200Ω

420Ω~3600Ω

0.1Ω

1.5

1.0

1.0

0.5

-10°C~18°C,+28°C~55°C temperature coefficient,±0.005%FS/°C.

Exciting current during measurement:

400Ω:1.0mA±10%;

3200Ω:0.2mA±10%;

Two-wire: Conductor resistance is excluded from errors.

Three-wire: Matching test line should be used. The total resistance of conductor should not be larger than 25Ω.

Range

Maximum output range

Resolution

External exciting current

Accuracy (Ω)

ETX-1812

ETX-2012

400Ω

0~440Ω

0.01Ω

0.4mA~4.0mA

0.25

0.15

3200Ω

400~3600Ω

0.1Ω

0.1mA~0.5mA

1.0

0.50

-10°C~18°C,+28°C~55°C temperature coefficient,±0.005%FS/°C.

Graduation

Range

Resolution

Accuracy (°C)

ETX-1812

ETX-2012

2-wire

3-wire

4-wire

Output

2-wire

3-wire

4-wire

Output

Pt100

-200°C~850°C

0.1°C

0.7

0.4

0.7

0.4

0.3

0.3

Pt1000

-200°C~650°C

0.4

0.3

0.3

0.3

0.15

0.15

Cu50

-50°C~150°C

1.2

0.8

0.8

0.8

0.5

0.5

Cu100

-50°C~150°C

0.7

0.4

0.4

0.4

0.25

0.25

As for exciting current during measurement, please refer to resistance measurement function.

As for allowable external exciting current during output, please refer to resistance output function.

2-wire: Does not include lead resistance.

3-wire: Assumes matched leads with a total resistance not exceeding 25Ω.