Endress+Hauser alpha-log Betriebsanleitung Seite 66

6 Technical data
6. Technical data
Scan cycle
Meas.
system
Resolution
Accuracy
Measurement
range
Max. allowable
potential
difference
Damping
64
125 ms/channel
12 Bit
Base accuracy:
Warm up time:
Temperature drift:
Voltage (max. 50 V):
0...1 V, 0...10 V, +/- 20 mV, +/- 50 mV, +/-100 mV,
+/-200 mV, +/- 1 V, +/- 2 V, +/-5 V, +/- 10 V,
Input impedance =1 MOhm
Current (max. 100mA):
0...20 mA, 4...20 mA (cable open circuit monitor
<=2mA) Input impedance 50 Ohm (on rear panel
circuit board)
RTD (DIN 43760 / DIN IEC 751):
Pt100, Pt500, Pt1000:-100...+600 °C / -148...+1112°F
Pt100b:
Pt100c:
Ni100:
Connection to either two or three wire systems
Measurement current approx. 1mA
Cable compensation (three wire version): <=50 Ohm
Thermo couples (DIN IEC 584):
Type B (Pt30Rh-Pt6Rh): 0...+1820°C / +32..+3308°F
Type J (Fe-CuNi):
Type K (NiCr-Ni):
Type L (Fe-CuNi):
Type N (NiCrSi-NiSi):-270...+1300°C / -454..+2372°F
Type R (Pt13Rh-Pt):
Type S (Pt10Rh-Pt):
Type T (Cu-CuNi):
Type U (Cu-CuNi):
Compensation points (DIN IEC 584) selectable:
Internal compensation of the terminal temperature
(additional max. error: +/- 1,5 K), or
external: 0 °C, 20 °C, 50 °C, 60 °C, 70 °C, 80 °C /
32 °F, 68 °F, 122 °F, 140 °F, 158 °F, 176 °F
Cable open circuit monitor (DIN IEC 584):
>approx. 50 kOhm,
Plot on lower chart margin.
Channel to channel: DC 60 V, AC 60 Vp
(only safe low voltages)
Presettable time constant: 0...999.9 seconds,
System base damping: Can be ignored
+/- 0.25 % FSD
1
> / h
2
+/- 0.25 % FSD
-20...+120°C / -4... +248 °F
-70...+170°C / -94... +338 °F
-60...+180°C / -76... +356 °F
-210...+1200°C / -346..+1832°F
-200...+1372°C / 328..+2502°F
-200...+ 900°C / -328..+1652°F
-50...+1800°C / -58..+3272°F
0...+1800°C / +32..+3272°F
270...+ 400°C / -454..+723°F
-200...+ 600°C / -328..+1112°F