Omega DP301AN, User Manual

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2
2.2 ACCURACY AT 25°C
Warmup to rated accuracy 10 minutes
Model "AN"
Maximum error
±0.05% or reading °1 count
Span to tempco ±0.01% of reading/°C
Step response 1 second
Model "AN-AC" (10% to 100% of full-scale range)
Maximum error
(actual reading)
20.0 to 199.9 V range ±0.003%FS (R-110 V) / V ±1 counts
20.0 to 650. V range ±0.003%FS (R-220 V) / V ±1 counts
Span to tempco ±0.01% of reading / °C
Step response 1 second
2.3 NOISE REJECTION
NMR 56 dB at 50/60 Hz
CMR, SIG LO to SIG GND 80 dB, DC to 60 Hz
CMV, SIG LO to SIG GND ±1.0 Vp
CMR, AC GND to SIG GND 120 dB, DC to 60 Hz
CMV, AC GND to SIG GND 1500 Vp per HV test; 354 Vp per IEC spacing
2.4 ANALOG TO DIGITAL CONVERSION
Technique Dual-slope, average-value
Read rate 2.5/second
Input integration period
100 milliseconds
2.5 3 WIRE RATIO REFERENCE
Model "AN"
Analog input range
±200 mV, ±2 V, ±20 V, ±200 V
Reference voltage +0.05 to +0.2 V +0.5 to 2.0 V
Load on reference 30.6 ohms 65.3 ohms
Accuracy 99.9%R 99.9%R
2.6 DISPLAY
Type 7 segment, red LED; 14.2 mm (0.56 in)
Symbols
Model "AN"
-1.8.8.8
Model "AN AC" 1.8.8.8
Decimal points
3 position programmable internally or at connector
Overrange indication 3 least significant digits blank