Toho-electronics TTM200 Manual de usuario descargar pdf (Pagina 233)

48-7009-E 7-2

7.1 Product specifications

7.1.1 Rating and performance

(1) Input section

1) No. of input points

One point for TTM-204, and up to 2 points for TTM-205, 207 or 209

* The second point on TTM-205, 207 or 209 cannot be selected for thermocouple, resistance temperature detector or voltage 0 -

10 mV.

2) Input type

① Input 1: Multi-input of thermocouple, resistance temperature detector, voltage and current

② Input 2: Multi-input of voltage and current (excluding voltage 0 - 10 mV)

3) Input type switchover

Switchover of input type per setting

4) Measurement temperature range

See the table 1.

5) Setting temperature range

Identical to the measurement temperature range.

6) Measurement resolution

See the table 1.

7) Sampling cycle

0.2 seconds

8) Input specifications

① Thermocouple input

a) Measurement accuracy

In standard environment conditions (23 ± 10 °C)

Thermocouples of K, J, T, E, R, S, B and N:

Either larger ± (0.3 % + 1 digit) or ± 2 °C of the indicated value

Note: ±3 °C for -100 to 0 °C and ±4 °C for -200 to -100 °C

No specification for 400 °C or lower for B thermocouple

Thermocouples of U and L:

Either larger ± (0.3 % + 1 digit) or ± 4 °C of the indicated value

± 6 °C for 0 °C or lower

WRe 5-26: Either larger ± (0.6 % + 1 digit) or ± 4 °C of the indicated value

PR 40-20: ± 9.4 °C ± 1 digit

No accuracy specified for lower than 800 °C

PL II: Either larger ± (0.3 % + 1 digit) or ± 2 °C of the indicated value

b) Effect from external resistance

Within 0.5 μV/1

c) Input resistance

1 M as standard

d) Handling of disconnection

“ ” (overscale) displayed

Control output: Operating amount limiter lower limit

② Resistance temperature detector input

a) Measurement accuracy

In standard environment conditions (23 ± 10 °C)

Either larger ± (0.3 % + 1 digit) or ± 0.9 °C of the indicated value

b) Allowable conductor wire resistance

10  or less (per wire; 3 wires to be with identical resistance)

c) Measurement current

2 mA

d) Handling of disconnection

“ ” (overscale) displayed (for all of A, B and b)

Control output: Operating amount limiter lower limit

③ Voltage input and Current input

a) 0 - 1 VDC

I) Measurement accuracy

In standard environment conditions (23 ± 10 °C), ± 0.3 % ± 1 digit of FS

II) Input resistance

1 M or larger

III) When disconnected

“ ” (underscale) displayed

Control output: Operating amount limiter lower limit

b) 0 - 5 VDC

I) Measurement accuracy

In standard environment conditions (23 ± 10 °C), ± 0.3 % ± 1 digit of FS

II) Input resistance

1 M or larger

III) When disconnected

“ ” (underscale) displayed

Control output: Operating amount limiter lower limit

c) 1 - 5 VDC

I) Measurement accuracy

In standard environment conditions (23 ± 10 °C), ± 0.3 % ± 1 digit of FS

II) Input resistance

1 M or larger

III) When disconnected

“ ” (underscale) displayed

Control output: Operating amount limiter lower limit

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Toho-electronics TTM200 Manual de usuario Pagina 233

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