Precision Digital PD6820 - Manual (Page 7)

PD6820 Loop-Powered Process Meter Instruction Manual
7
OVERALL
DIMENSIONS
5.65" x 5.25" x 4.86" (W x H x D)
(144 mm x 133 mm x 124 mm)
WEIGHT
5.00 lbs (80 oz, 2.27 kg)
WARRANTY
3 years parts and labor
Input
ACCURACY ±0.03% of calibrated span ±1 count,
square root & programmable exponent accuracy range:
10-100% of calibrated span.
ADVANCED
FUNCTION Linear, square root, or programmable exponent
MULTI-POINT
LINEARIZATION 2 to 32 points
PROGRAMMABLE
EXPONENT 1.0001 to 2.9999
LOW FLOW CUTOFF 0-99999 (0 disables cutoff function)
TEMPERATURE
DRIFT 50 PPM/ C from -40 to 75C ambient
DECIMAL POINT User selectable decimal point
TOTALIZER
Calculates total based on rate, time base of second, minute,
hour, or day, and field programmable multiplier; stored in non-
volatile memory upon power loss.
TOTALIZER
RESET
User selectable via SafeTouch
®
buttons, time delay, external
contact closure, or protected
CALIBRATION
RANGE An Error message will appear if input 1 and input 2 signals
are too close together.
Input
Range Minimum Span
Input 1 & Input 2
4-20 mA 0.10 mA
MAXIMUM
VOLTAGE DROP Without Backlight or with
Externally-Powered (DC
Powered) Backlight With Loop-Powered
Backlight
3.0 VDC @ 20 mA 6.0 VDC @ 20 mA
EQUIVALENT
RESISTANCE 150 Ω @ 20 mA 300 Ω @ 20 mA
EXTERNALLY
POWERED
BACKLIGHT Voltage Range: Maximum Power
9-36 VDC
9 VDC 12 VDC 24 VDC 36 VDC
0.2 W 0.25 W 0.5 W 0.75 W
INPUT OVERLOAD Over current protection to 2 A max.