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Items                                                                                       Speci?cations

Model                                                    AAT145                                                                AAR145

Number of input channels   16, isolated channels                                             16, isolated channels

TC:   JIS C1602:1995 (*1), IEC584:1995 Type J,   RTD:  JIS C1604:1997 (*3), IEC751:1995 Pt100

Input signal                                       K, E, B (*2), R, S, T, N                                            (3-wire type)

mV:   -100 to 150 mV, -20 to 80 mV                     POT:  Total resistance 100 ? to 10 k? Span

resistance: 50 % or more of total resistance

Switching input signals        TC/mV can be set individually for CH1 to CH16.    RTD/POT can be selected individually for CH1 to

CH16.

Allowable input voltage        _5 V                                                                       _5 V

Withstanding voltage            Between input and system: 500 V AC (for single card: 1500 V AC), For 1 minute

Between input channels: 200 V AC, For 1 minute

Input resistance Power ON     1 M? or more

Power OFF 1 M? or more

Accuracy                                  _40 _V                                                                   RTD:  _150 m?

POT:  _0.2 %/FS

Allowable total resistance of                                                                             1000 ? or less 150 ? or less (wiring resistance per wire)(*4)

signal source plus wiring

Effect of allowable signal     _20 _V                                                                   —

source resistance (1000 ?)

Reference junction                _1 _C (*5) (6)                                                         —

compensation accuracy

Measurement current          —                                                                           RTD:  1 mA

Data update period                1 s

All channels can be set together.

Burn-out                                  Setting: not available/available (UP/DOWN)

detection time: 60 s

Temperature drift                 _80 _V/10 _C                                                         RTD:  _0.3 ?/10 _C

POT:  _0.4 %/10 _C

Maximum current                  350 mA (5 V DC)                                                   350 mA (5 V DC)

consumption

Weight                                      0.3 kg

External connection              Dedicated cable (KS1)                                           Dedicated cable (KS8/AKB335)

*1:  Model AAT145 is also in compliance with JIS C1602:1981.

*2:  Type B dose not carry out temperature compensation and can not measure under 44 _C.

*3:  Model AAR145 is also in compliance with JIS C1604:1989 (Pt100, JPt100).

*4:  Each wiring resistance should be equal.

*5:  This accuracy changes due to the installation condition.

If measured temperature is lower than 0 _C, multiply the above value by the following coef?cient (K):

=               Thermoelectromotive force per degree at 0 _C

Thermoelectromotive force per degree at measured temperature

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*6:  Reference junction compensation accuracy varies depending on the temperature environment of terminal board (AET4D).

Speci?cations for Terminal board only

Temperature Environment            Reference Junction Compensation accuracy

-20 to 0 ?C                                                             _1.5 ?C

0  to 30 ?C                                                            _1.0 ?C

30 to 70 ?C                                                             _1.5 ?C

Speci?cations for installing in a standard cabinet

Temperature Environment            Reference Junction Compensation accuracy

0  to 30 ?C                                                            _1.0 ?C

30 to 50 ?C                                                             _1.5 ?C