Air Monitor VELTRON DPT 2500-plus, Installation, Operation And Maintenance Manual

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VELTRON DPT 2500-
plus
Air Monitor Corporation
116-047-20.PMD (5/5/11)
VELTRON DPT 2500- plus
- IO&M Manual
2
SECTION 2 – PERFORMANCE SPECIFICATIONS
2 – PERFORMANCE SPECIFICATIONS
2.1 – TRANSMITTER
Accuracy
. 0.25% of Natural S pa n, including hysteresis,
deadband, non-linearity, and non-repeat a bility.
Type
. Differential pressure, flow, and mass flow.
Ranges
.
Natural Spans Bi-Polar Natural Spans
0 to 25.00 IN w.c.
0 to 10.00 IN w.c. –10.00 to 10.00 IN w.c.
0 to 5.00 IN w.c. – 5.00 to 5.00 IN w.c.
0 to 2.00 IN w.c. – 2.00 to 2.00 IN w.c.
0 to 1.00 IN w.c. – 1.00 to 3.00 IN w.c.
0 to 0.50 IN w.c. – 0.50 to 0.50 IN w.c.
0 to 0.25 IN w.c. – 0.25 to 0.25 IN w.c.
0 to 0.10 IN w.c. – 0.10 to 0.10 IN w.c.
0 to 0.05 IN w.c. – 0.05 to 0.05 IN w.c.
Span Rangeability
. The calibrated s pa n can be down
ranged to 40% of the Natural S p an.
Stability
. ±0.5% of Natural S p an for six months.
Temperature Effect
.
Zero. None; corrected by A UTO-zero.
S p an. 0.015% of Natural S p an/ºF.
Mounting Position Effect
. None; corrected through
transmitter automatic zeroing.
Span and Zero Adjustment
. Digital, via internally
located pushbuttons.
Low Pass Filtration
. Response time to reach 98% of
a step change is adjustable from 0.5 to 256.0
seconds.
Overpressure and Static Pressure Limit
. 25 psig.
Automatic Zeroing
.
Accuracy. Within 0.1% of calibrated s pa n.
Frequency. Every 1 to 24 hours on 1 hour intervals.
Temperature Limits
. –20 to 180ºF St orage; +40 to
140ºF Operating.
Humidity Limits
. 0-95% RH, non-condensing.
2.2 – INDICATION
Display
. A backlit, graphical LCD providing single line of
data display. Also used for programming.
2.3 – OUTPUTS
Analog Output
. Single output linear to pressure, flow,
or massflow configurable via jumper to 0-5V , 0-10V, or
4-20mA.
2.4 – POWER
Power Supply
. S t andard 24VAC (16-30VAC) or 24VDC
(16-40VDC).
Power Consumption
. S t andard: 8VA at 24VAC; 6VA
at 24VDC.
Circuit Protection
. Power input is isolated, fused, and
reverse polarity protected.