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Ashcroft   Type IXLdp Ultra-Low
Differential
Transducer / Transmitter
  • Certified 0.25 and 0.5% accuracy
  • High overpressure protection
  • FM approved for hazardous locations
  • NEMA 4X metal construction
  • Six output signals
  • Easy installation

 

  The Ashcroft® Industrial IXLdp was designed for the measurment 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 is a state-of-the-art variable capacitance sensor within a glassclad silicon chip. The patented Si-Glas™ technology combines the inherent high sensitivity of a variable capacitance transducer with the repeatability of a micro-machined, ultra-thin silicon diaphragm.

The Si-Glas sensor is composed of only 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.
IXLdp Transducer

PERFORMANCE CHARACTERISTICS
Standard Ranges (Inches W.C.)
Unidirectional Ranges:
Differential or Gage
0/0.1 0/2.0 0/10 0/50
0/0.25 0/2.5 0/15 0/100
0/0.50 0/3.0 0/20 0/150
0/1.0 0/5.0 0/25 0/200
Bidirectional Ranges:
Compound
0/0.5 0/2.5 0/20.0  
0/0.25 0/5.0 0/25.0  
0/0.50 0/10.0 0/50.0  
0/1.0 0/15.0 0/100.0  
Scaling in other engineering units (eg. kPa, cmH2O)and special range calibration available - consult factory
Accuracy Class (F.S.):    0.5% 0.25%
Nonlinearity    
  Terminal Point* ±0.4 ±0.2
  Best fit straight line(BFSL) ±0.3 ±0.15
Hysteresis ±0.02 ±0.02
Nonrepeatability ±0.05 ±0.03
Interchangability ±0.5% ±0.250%
* Including hysteresis
Stability: ±0.5%F.S./yr
ENVIRONMENTAL CHARACTERISTICS
Temperature Limits:
Storage: -40 to +210°F
Operating: -20 to +185°F
Compensated Range:   0 to +160°F
Thermal Coefficients:
  0.5% 0.25%
ZERO ±0.02%F.S./°F ±0.01%F.S./°F
SPAN ±0.02%F.S./°F ±0.01%F.S./°F
 
FUNCTIONAL CHARACTERISTICS
Overpressure Limits (F.S.):
Proof 15 psid
Burst 50 psid
Maximum static pressure 100 psig
Static pressure effect less than 0.5%
Vibration Sweep:
Less than 0.2% F.S./g temporary effect 10-130 Hz
Mounting Position Effect:
0.5"W.C. and higher =<0.1%F.S.
Below 0.5"W.C. =<0.25F.S.
ELECTRICAL SPECIFICATIONS
Output Signal Options:
Current: 4-20mA two wire current loop
Voltage: All voltage outputs are 3 wire
    0-5 Vdc  1-6 Vdc  ±5.0 Vdc
                   1-5 Vdc  ±2.5 Vdc
Response Time:
Standard: 250msec
Otional slow: 1 second consult
factory
  fast: 5 ms
Warm-up time:
Full specification: Less than one second
Resolution:
Infinite
Power Supply Range:
12-36 Vdc range without effect on output signal
Reverse Polarity Protected
Internal Zero and Span:
±10% F.S. adjustment
Supply Current:
2.6mA typical vor voltage output
 
PHYSICAL CHARACTERISTICS
Enclosure:
4NEMA 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. Seperate access cover for terminal connections.
Media:
Clean, dry and noncorrosive gas (consult factory for use on other media)
NOT FOR USE ON LIQUIDS

HAZARDOUS LOCATION CERTIFICATION
FM approval is optional
Factory Mutual approvals intrisically safe for use in:
   Class I,Div 1, Groups A, B, C, D
   Class II,Div 1, Groups E, F, G
   Class III,Div 1, when wired in accordance with dresser drawings 71B241 (1-3)
Consult factory on other pressure range, temperature copensation, packaging variations or response time available

PART NUMBER FOR A TRANSDUCER/TRANSMITTER:
Select: IX 3 F02 05 ST P1IW XFM
  Type
(iXLdp)
Accuracy
(3) 0.25%, ±0.015%/°F
(5) 0.50%, ±0.015%/°F
Pressure Connection
(F02) ¼ NPT-F
Output
(05) 0/5Vdc
(15) 1/5Vdc
(16) 1/6Vdc
(25) ±2.5Vdc
(50) ±5.0Vdc
(42) 4-20mA
Electrical Termination
(ST) Screw Termination
Pressure Range
Diff. or Gauge:
(P1IW) 0.10"WC
(P25IW) 0.25"WC
(P5IW) 0.50"WC
(1IW) 1.00"WC
(2IW) 2.00"WC
(2P5IW) 2.50"WC
(3IW) 3.00"WC
(5IW) 5.00"WC
(10IW)10.00"WC
(15IW) 15.00&qout;WC
(20IW) 20.00"WC
(25IW) 25.00"WC
(50IW) 50.00"WC
(100IW) 100.00&qout;WC
(150IW) 150.00"WC
(200IW) 200.00"WC


Compound:
(P05IWL) ±0.05"WC
(P1IWL) ±0.10"WC
(P2IWL) ±0.20"WC
(P25IWL) ±0.25"WC
(P5IWL) ±0.50"WC
(1IWL) ±1.00"WC
(2IWL) ±2.00"WC
(2P5IWL) ±2.50"
(3IWL) ±3.00"WC
(5IWL) ±5.00"WC
(10IWL) ±10.00"WC
(15IWL) 15.00"WC
(20IWL) 20.00"WC
(25IWL) ±25.00"WC
(50IWL) ±50.00"WC
(100IWL) 100.00"WC
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