Ashcroft Differential Pressure Transducers
DXLdp Differential Pressure Transmitter
DIN Rail Mount Differential Pressure
Transmitter
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Accuracy: 1%, 0.5%, 0.25% (TP Based)
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Uni-directional range: 0.1" to 50"
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Bi-directional range: 0.05" to 25"
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CE rating: EN61326:1997 ANNEX A.
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Electrical Outputs: 4-20mA, 1-5Vdc,1-6Vdc, 0-5Vdc,
0-10Vdc
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SpoolCal™ process valve actuator
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LED range status indicators with front access test
jacks
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2:1 turn down
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In-Place Pressure
Transmitter Calibration Made Easy with the New Ashcroft® DXLdp Transmitter
for Precision Airflow Applications
Troubleshooting and calibration
procedures are critical to maintaining high precision in Bio-Pharm and
other HVAC airflow systems. Accomplishing this task involves complicated
procedures that include shutting down the system, cutting and splicing
wires or removing the instruments for evaluation…until now.
Dresser Instrument introduces
the Ashcroft® DXLdp low pressure transmitter with the exclusive SpoolCal™
process valve actuator. For the first time, transmitters in critical
airflow systems can be easily validated and calibrated in place without
disturbing process tubes or wiring.
With a simple twist of the wrist
to the left, the SpoolCal™ tees the process pressure out to a handheld
calibrator. A twist to the right puts you in the calibration mode.
The front access test jacks provide on-line reference signal without removing
wiring, avoiding signal interruption. The DXLdp offers added features
with 2:1 turndown and range status LED’s for instant troubleshooting information.
These unique features combine
to create a product that dramatically improves system reliability and efficiency.
Type XLdp Ultra-Low Differential Pressure Transducer
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Utilizes the new Ashcroft micro-machined, variable capacitance sensor.
The Si-Glas technology combines the repeatability of an ultra thin silicon
diaphragm with the sensitivity and stability of a capacitance transducer;
There are no epoxies or organics in the sensor to contribute to drift or
to degrade over time
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Extraordinary stability
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High sensitivity/resolution
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High pressure overload protection
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Current/voltage output
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Accuracy: ±0.25% or ±0.5% F.S. (terminal point)
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Standard ranges: bi-directional ±0/0.05 thru ±0/25.0 (inches
W.C.); uni-directional ±(0/0.1 thru ±0/50/0 (inches W.C.)
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Output Signal: 4-20mA (2-wire), 1-5VDC (3-wire) 1-6VDC (3-wire)
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Power requirements: 13-36 VDC unregulated for current outputs; 12-36 VDC
for voltage outputs
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Industrial IXLdp Ultra-Low Differential Pressure
Transmitter
 Ordering Info
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Designed for the measurement and control of very low pressure and flow
in industrial and process plan environments
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Utilizes a state of the art variable capacitance sensor with a glass clad
silicon chip. The Si-Glas technology combines the inherent high sensitivity
of a variable capacitance transducer with the repeatability of a micro-machined,
single crystal silicon diaphragm
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High pressure overload protection
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NEMA 4X metal construction
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Six output signals
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FM approved for intrinsic safety
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Easy installation
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Accuracy: ±0.25% or ±0.5% F.S. (terminal point)
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Standard ranges: Diff. or gauge 0/0.1 thru 0/200 (inches W.C.); Compound
or vacuum ±0.05 thru ±100.0 (inches W.C.); (Scaling in other
engineer units e.g. KPa, CM H2O) and special range calibration
available
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Output Signal: 4-20mA (2 wire) current, or 3 wire voltage ranges 1-5VDC,
1-6 VDC, ±2.5VDC, ±5VDC
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Power Requirements: 12-36 VDC reverse polarity protected
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RXLdp Ultra-Low Differential Pressure
Transmitter
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Certified 1% accuracy
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High overpressure protection
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Stainless steel & Lexan* NEMA 1 construction
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4-20mA output signal plus an assortment of voltage outputs
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All-welded construction
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Easy installation
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Small size
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Conduit compatible
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Fits standard electrical
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Workboxes
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