Thermocouple Inputs. ETAS ES650

ETAS

5.9.4

Technical Data

Thermocouple Inputs

Resolution

Sampling rate

Measuring range

Cutoff frequency

Input impedance

Maximum inaccuracy  T g

Maximum temperature drift

Maximum inaccuracy  T i depend ing on the internal resistance of the thermocouple at internal resis tances > 50 

 T d

21 bits; corresponding to 0.01 K for J-,

K- and N-type thermocouples

0.1 to 10 samples/sec, configurable for each channel

+250 to +1820 °C (type B)

-200 to +1000 °C (type E)

-210 to +1200 °C (type J)

-200 to +1372 °C (type K)

-200 to +1300 °C (type N)

-50 to +1768 °C (type R)

-50 to +1768 °C (type S)

-200 to +400 °C (type T)

10 Hz

> 10 M  || 10 nF

0.050 % + 5.00 K for type B

0.050 % + 0.20 K for type E

0.030 % + 0.20 K for type J

0.025 % + 0.25 K for type K

0.035 % + 0.38 K for type N

0.050 % + 2.0 K for type R

0.050 % + 2.0 K for type S

0.050 % + 0.30 K for type T

±0.1 K/K for type B

±0.0040 K/K for type E

±0.004 K/K for type J

±0.005 K/K for type K

±0.008 K/K for type N

±0.0400 K/K for type R

±0.0400 K/K for type S

±0.0050 K/K for type T

±0.0800 K/  for type B

±0.0030 K/  for type E

±0.003 K/  for type J

±0.004 K/  for type K

±0.006 K/  for type N

±0.0300 K/  for type R

±0.0300 K/  for type S

±0.0040 K/  for type T

±1 K Maximum inaccuracy of cold junc tion compensation  T cjc

Possible increased measurement error under influence of electromag netic fields in industrial environ ments  T emc

Maximum temperature drift of cold junction compensation  T d

Maximum allowed input voltage

+16 K /-45 K

±0.008 K/K

32 V DC

Reference temperature T

0

298.15 K).

for  T g

,  T d

and  T d

is 25 °C (equivalent to

ES650.1 - User Guide 33