Items

Specifications

Model

AAT141

AAR181

Number of input channels

16, isolated (*7)

12, isolated

Input signal

TC:     JIS C1602:1995, IEC584:1995

Type J, K, E, B(*1), R, S, T, N

mV:    -100 to 150 mV, -20 to 80 mV

RTD:  JIS C1604:1997, IEC751:1995

Pt100 (3-wire type)(*6)

Switching input signals

TC/mV can be set individually for CH1 to CH16.

CH1 to CH12 are RTD inputs.

Allowable input voltage

±5 V

±5 V

Withstanding voltage

Between input and system: 1500 V AC, For 1 minute

Input resistance

Power ON

2 MΩ or more

Power OFF

2 MΩ or more

Accuracy

TC:     ±30 µV

MV:    ±80 µV for span (-100 to 150 mV)

±30 µV for span (-20 to 80 mV)

RTD:  ±120 mΩ

Allowable total resistance of signal source plus wiring

1000 Ω or less

40 Ω or less (wiring resistance per wire) (*2)

Effect of allowable signal source resistance (1000 Ω)

±20 µV(*3)

—

Reference junction compensation accuracy

Within ±1 °C (*4) (*5)

—

Measurement current

—

RTD: 1 mA

Temperature drift

±80 µV/10 °C (-100 to 150 mV input)

±30 µV/10 °C (TC/-20 to 80 mV input)

±120 mΩ/10 °C (RTD input)

Data update period

1 s

Burn-out

All channels can be set together.

Setting: Not available/available (UP/DOWN)

detection time: 60 s

Maximum current consumption

450 mA (5 V DC)

450 mA (5 V DC)

Weight

0.2 kg

External connection

Pressure clamp terminal