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Ashcroft Industrial IXLdp Ultra-Low Variable Capacitance Pressure Transmitter

Ultra-Low Variable Capacitance Pressure Transmitter
Industrial IXLdp

The Ashcroft® Industrial IXLdp was designed for the measurement and control of very low pressure and flow in industrial and process plant environments. The Industrial IXLdp transmitter features a rugged NEMA 4X enclosure, built-in electrical terminal box isolated from the electronics and threaded process connections.

The Ashcroft IXLdp transmitter utilizes a state-of-the-art variable capacitance sensor with a glass-clad silicon chip. The Si-GlasTM technology combines the inherent high sensitivity of a variable capacitance transducer with the repeatability of a micro- machined, single-crystal silicon diaphragm.

The Si-Glas sensor is composed of sputtered metals and glass molecularly bonded to silicon. There are no epoxies or other organics in the sensor to contribute to drift or mechanical degradation over time.

• Certified 0.25% and 0.5% accuracy
• 0.1˝-200˝-H2O pressure ranges
• High overload protection
• FM approved for hazardous locations
• NEMA 4X metal construction
• Six types of output signals available
• 5:1 turndown option
• Variable dampening option
• On-board voltage regulation allows use of lower cost, non-precise, unregulated power supply
• Hazardous environments

Select a link under the "item" tab below to order.

Table 1Table 2Table 3Table 4Table 5Table 6Table 7
XXXXXXXXXXXXXXXX
Table 1Type Configuration
IXXLdp
Table 2Accuracy/TC
30.25%,±0.01%/°F
50.50%,±0.02%/°F
Table 3Pressure Connection
F02¼ NPT-Female
Table 4Output Signal
050/5 Vdc
151/5 Vdc
161/6 Vdc
25±2.5 Vdc
50±5.0 Vdc
424-20mA
Table 5Electrical Terminal
STScrew Termination
Table 6Pressure Range
Diff. or Gauge:
P1IW0.10˝W.C.
Diff. or Gauge:
P25IW0.25˝W.C.
Diff. or Gauge:
P5IW0.50˝W.C.
Diff. or Gauge:
1IW1.00˝W.C.
Diff. or Gauge:
2IW2.00˝W.C.
Diff. or Gauge:
2P5IW2.50˝W.C.
Diff. or Gauge:
3IW3.00˝W.C.
Diff. or Gauge:
5IW5.00˝W.C.
Diff. or Gauge:
10IW10.00˝W.C.
Diff. or Gauge:
15IW15.00˝W.C.
Diff. or Gauge:
20IW20.00˝W.C.
Diff. or Gauge:
25IW25.00˝W.C.
Diff. or Gauge:
50IW50.00˝W.C.
Diff. or Gauge:
100IW100.00˝W.C.
Diff. or Gauge:
150IW150.00˝W.C.
Diff. or Gauge:
200IW200.00˝W.C.
Compound:
P05IWL±0.05˝W.C.
Compound:
P1IWL±0.10˝W.C.
Compound:
P2IWL±0.20˝W.C.
Compound:
P25IWL±0.25˝W.C.
Compound:
P5IWL±0.5˝W.C.
Compound:
1IWL±1.00˝W.C.
Compound:
2IWL±2.00˝W.C.
Compound:
2P5IWL±2.50˝W.C.
Compound:
3IWL±3.00˝W.C.
Compound:
5IWL±5.00˝W.C.
Compound:
10IWL±10.0˝W.C.
Compound:
15IWL±15.00˝W.C.
Compound:
20IWL±20.00˝W.C.
Compound:
25IWL±25.00˝W.C.
Compound:
50IWL±50.00˝W.C.
Compound:
100IWL±100.00˝W.C.
Table 2Optional X-Variation
XX1– Fast Response: 8 ms
X41– 5:1 Turndown
X1D– Variable dampening (0-30 sec.)
XNH– Paper tag
XCL– Custom pressure range calibration
XFM– FM approval
PERFORMANCE SPECIFICATIONS
Accuracy Class (F.S.): 0.25% 0.50%
Non-linearity
Terminal point ±0.2% ±0.4%
Best fit straight line (BFSL) ±0.15% ±0.3%
Hysteresis ±0.02% ±0.02%
Non-repeatability ±0.03% ±0.05%
Stability – Max. Change (F.S./year): ±0.25 %
Custom Ranges: Special range calibrations (XCL) – consult factory
Response Time: Standard: 250ms
(Consult factory for damping options)
Optional variable damping (0-30 sec) (X1D)
ENVIRONMENTAL SPECIFICATIONS
Temperature Limits: Storage: –40 to 210°F
Operating: –20 to 185°F (0-95% relative humidity)
Compensated Range: 0 to 160°F
Thermal Coefficients:   0.25% Acc. 0.5% Acc.
ZERO ±0.01%F.S./°F ±0.02%F.S./°F
SPAN ±0.01%F.S./°F ±0.02%F.S./°F
Vibration Sweep: Less than 0.2%F.S./g temporary effect 10-130 Hz
FUNCTIONAL SPECIFICATIONS
Overpressure Limits: Proof: 20 psid
Burst differential pressure: 50 psid
Maximum static (line) pressure: 100 psi
Static pressure effect: less than 0.5% F.S.
Mounting Position Effect: 1˝ W.C. and higher 0.1% F.S./g
0.25˝ up to 0.5" W.C. 0.5% F.S./g
0.1˝ W.C. 0.8% F.S./g
ELECTRICAL SPECIFICATIONS
Output Signal: Current: 4-20mA two wire current loop
Voltage: All voltage outputs are 3 wire
0-5 Vdc 1-6 Vdc ±5 Vdc
1-5 Vdc ±2.5 Vdc
Output Signal is Independent of Power Supply Changes: 12-36 Vdc range without effect on output signal
Reverse Wiring Protected
Internal Zero and Span:
±10% F.S. Adjustment
Supply Current: 2.6mA typical for voltage output
Warm-up Time: Full specification: Less than one second
PHYSICAL SPECIFICATIONS
Enclosure: NEMA 4X, 300 series stainless steel
Process Connections: Two 1⁄4 NPT female
Electrical Connections: Two 1⁄2˝ female electrical conduit connections isolated from the electronics.
Separate access cover for terminal connections
Media: Clean, dry and noncorrosive gas (consult factory for use on other media)

HVAC, fume hood control, lab/clean room pressurization, laminar flow, furnace/stack draft, leak detection, or pollution monitoring, medical equipment, fan tracking, filter monitoring and velocity measurements.



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