Curtis 2200R - Manual (Page 6)

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3. TECHNICAL SPECIFICATIONS
3.1 Electrical
Operating Voltage
Model Series 2100R and 2200R are available in either
12VDC or 24VDC (negative ground systems only)
Operating Voltages
(Models 2111R, 2112R, 2113R and 2211R, 2212R, 2213R)
Model Minimum Nominal Maximum
12V 9.0 12.0 16.0
24V 18.0 24.0 32.0
(Models 2114R and 2214R)
Model Minimum Nominal Maximum
12V 8.0 12.0 18.0
24V 16.0 24.0 36.0
Accuracy
Maximum indicator error is less than ±3.5% of full scale
!