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OM-550 u49u
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 / 800Ω
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°