Ecograph T
Hauser
3
Limit values
Limit values for input voltage and current as well as cable open circuit detection/line influence/temperature
compensation
Voltage
≤
1 V
± 1 V
± 150 mV
± 0.10 %
(
2.7 MOhm
Resistance
thermometer
(RTD)
Pt100: -200 to 850 °C (-328 to 1562 °F) (IEC751, JIS1604, GOST)
Pt500: -200 to 850 °C (-328 to 1562 °F) (IEC751, JIS1604)
Pt1000: -200 to 600 °C (-328 to 1112 °F) (IEC751, JIS1604)
4-wire: ± 0.10 % oMR
3-wire: ± (0.10 % oMR + 0.8 K)
2-wire: ± (0.10 % oMR + 1.5 K)
Cu100: -200 to 200 °C (-328 to 392 °F) (GOST)
Cu50: -200 to 200 °C (-328 to 392 °F) (GOST)
Pt50: -200 to 850 °C (-328 to 1562 °F) (GOST)
4-wire: ± 0.20 % oMR
3-wire: ± (0.20 % oMR + 0.8 K)
2-wire: ± (0.20 % oMR + 1.5 K)
Thermocouples
(TC)
Type J (Fe-CuNi): -210 to 999.9 °C (-346 to 1832 °F) (IEC581-1)
Type K (NiCr-Ni): -200 to 1372 °C (-328 to 2501.6 °F) (IEC581-1)
Type T (Cu-CuNi): -270 to 400 °C (-454 to 752 °F) (IEC581-1)
Type N (NiCrSi-NiSi): -270 to 1300 °C (-454 to 2372 °F) (IEC581-1)
Type L (Fe-CuNi): -200 to 900 °C (-328 to 1652 °F) (DIN43710,
GOST)
± 0.10 % oMR from -100 °C (-148 °F)
± 0.10 % oMR from -130 °C (-202 °F)
± 0.10 % oMR from -200 °C (-328 °F)
± 0.10 % oMR from -100 °C (-148 °F)
± 0.10 % oMR from -100 °C (-148 °F)
(
2.7 MOhm
Type D (W3Re-W25Re): 0 to 2315 °C (32 to 4199 °F) (ASTME998)
Type C (W5Re-W26Re): 0 to 2315 °C (32 to 4199 °F) (ASTME998)
Type B (Pt30Rh-Pt6Rh): 0 to 1820 °C (32 to 3308 °F) (IEC581-1)
Type S (Pt10Rh-Pt): 0 to 1768 °C (32 to 3214 °F) (IEC581-1)
Type R (Pt13Rh-Pt): -50 to 1768 °C (-58 to 3214 °F) (IEC581-1)
± 0.15 % oMR from 500 °C (932 °F)
± 0.15 % oMR from 500 °C (932 °F)
± 0.15 % oMR from 600 °C (1112 °F)
± 0.15 % oMR from 100 °C (212 °F)
± 0.15 % oMR from 100 °C (212 °F)
(
2.7 MOhm
Measured
variable
Measuring range
Maximum measured error
of measuring range (oMR)
Input
impedance
Measured
variable
Limit values (steady-state,
without destroying input)
Cable open circuit detection/line influence/temperature
compensation
Current
Maximum permitted input voltage: 2.5 V
Maximum permitted input current: 50 mA
4...20 mA range with cable open circuit monitoring to NAMUR NE43.
Activate/deactivate the 4...20 mA loop monitoring as per NAMUR recomendation NE43.
On activation:
≤
3.8 mA: Under range (indicate: vvvvvv)
≥
20.5 mA: Over range (indicate: ^^^^^^)
≤
3.6 mA or
≥
21.0 mA: Open Circuit (indicate: - - - -)
Voltage > 1 V
Maximum permitted input voltage: 35 V
Voltage
≤
1 V
Maximum permitted input voltage: 12 V
Resistance
thermometer
(RTD)
Measuring current:
≤
1 mA
Disengageable cable open circuit detection
Maximum barrier resistance (or line resistance):
Max. 200 Ohm (4-wire)
Max. 40 Ohm (3-wire)
Maximum influence of barrier resistance (or line resistance) for Pt100, Pt500 and
Pt1000: 4-wire: ±0.0002%/Ohm, 3-wire: ±0.002%/Ohm
Maximum influence of barrier resistance (or line resistance) for Pt50, Cu100 and Cu50:
4-wire: ±0.0006%/Ohm, 3-wire: ±0.006%/Ohm
Thermocouples
(TC)
Maximum permitted input voltage: 12 V
Disengageable cable open circuit detection from 50 kOhm
Error, internal temperature compensation:
≤
2 K