OM-550
u
49
u
APPENDIX B:
SPECIFICATIONS
(OM-550 at 25°C unless otherwise stated)
VOLTAGE MEASUREMENT INPUTS:
IMPEDANCE:
10 Meg
Ω
nominal
RANGE:
±2 VDC
RESOLUTION:
100 µV
ACCURACY:
±500 µV
CMRR:
>120 db at 50/60 Hz
NMRR:
> 45 db at 50/60 Hz
ABSOLUTE MAXIMUM OVERVOLTAGE
PROTECTION:
120 VAC
THERMOCOUPLE INPUTS:
TYPES:
J, K, T, E
RESOLUTION:
0.1°, C or F
INPUT IMPEDANCE:
100 Meg
Ω
LEAD RESISTANCE EFFECT:
<20 µV / 800
Ω
COLD JUNCTION COMPENSATION:
±0.5°C Max, (10°C to 40°C)
CMRR at 50/60 Hz:
>120 db
NMRR at 50/60 Hz:
> 60 db
ACCURACY:
TYPE
RANGE (°C)
TABLE CONFORMITY
TOTAL ACCURACY
J
-165. to +760.
0.08°
±0.8°
0. to +760.
0.08°
±0.6°
K
-101. to +1250.
0.10°
±0.8°
0. to +1250.
0.10°
±0.6°
T
-105. to +400.
0.10°
±0.8°
0. to +400.
0.10°
±0.6°
E
-140. to +660.
0.09°
±0.8°
0. to +660.
0.09°
±0.6°
TYPE
RANGE (°F)
TABLE CONFORMITY
TOTAL ACCURACY
J
-265. to +1400.
0.14°
±1.5°
+32. to +1400.
0.14°
±1.0°
K
-150. to +2282.
0.18°
±1.5°
+32. to +2282.
0.18°
±1.0°
T
-158. to +752.
0.18°
±1.5°
+32. to +752.
0.18°
±1.0°
E
-220. to +1225.
0.16°
±1.5°
+32. to +1225.
0.16°
±1.0°
