Omega DRST-AC User Manual page 12

7
Order
Accuracy, the greater of general and basic values:
Input type
All
Input type
Current
Voltage
EMC - immunity influence . . . . . . . . . . . . . . . . . . . . .
Extended EMC immunity:
NAMUR NE 21, A criterion, burst . . . . . . . . . . . . . . . . .
of span = of selected standard range
* For custom signals, general accuracy and EMC specifications are 0.3% of full scale
Input specifications:
Current input:
Signal range . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 0...5 AAC / 40...400 Hz
Maximum input limit . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6.00 AAC @ 40°C
Programmable measurement ranges . . . . . . . . . . . . . . . . . . . . . . 0...0.5, 0...1, 0...2.5 & 0...5 AAC
Custom configurable signal range . . . . . . . . . . . . . . . . . . . . . . . 0....5 AAC / 40...400 Hz
Min. span . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 0.5 AAC
Input resistance . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Nom. < 0.07 Ω
Voltage input:
Signal range . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 0...300 VAC / 40...400 Hz
Programmable measurement ranges . . . . . . . . . . . . . . . . . . . . . . 0...0.5, 0...1, 0...2.83, 0...5, 0...120, 0...230 &
Custom configurable signal range . . . . . . . . . . . . . . . . . . . . . . . 0...300 VAC / 40...400 Hz
Min. span . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 0.5 VAC
Input resistance . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Nom. 3 MΩ || 100 pF
Configurable input limits:
Configurable input limits, low:
VOLT. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 0 VAC to 'Minimum selected input'
CURR . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 0 AAC to 'Minimum selected input'
Configurable input limits, high:
VOLT. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 'Maximum selected input' to 300 VAC
CURR . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 'Maximum selected input' to 5 AAC
General values
Absolute accuracy
≤ ±0.3% of span*
Basic values
Basic accuracy
1.5 mA
1.5 mVAC
Temperature coefficient
≤ ±0.01% of span* / °C
Temperature coefficient
50 µA/ °C
50 µVAC /°C
< ±0.5% of span*
< ±1% of span*
0...300 VAC
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