Precision Digital PD6830 - Manual (Page 9)

PD6830 Pulse Input Rate/Totalizer Instruction Manual
9
4-20 mA Transmitter Output
OUTPUT
SOURCE Rate or total
SCALING RANGE 4.000 to 20.000 mA for any display range.
CALIBRATION Factory Calibrated: 0.0 to 1000.0 = 4-20 mA output
UNDERRANGE Output Underrange: 3.8 mA
OVERRANGE Display Overrange: 22.0 mA
Output Overrange: 20.5 mA
ACCURACY ± 0.1% span ± 0.004 mA
TEMPERATURE
DRIFT 0.4 µA/
C max from 0 to 65C ambient,
0.8 µA/
C max from -40 to 0C ambient
Note: Analog output drift is separate from input drift.
EXTERNAL LOOP
POWER SUPPLY 30 VDC maximum
OUTPUT LOOP
RESISTANCE Power supply Minimum Maximum
24 VDC 10
 700 
30 VDC 100
 1200 
Note: loop-powered backlight subtracts 150

from
maximum resistance figures above.