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Type RXLdp Ultra-Low Differential Transducer / Transmitter Certified 1% accuracy High overpressure protection Stainless steel & Lexan* NEMA 1 construction 4-20mA output signals plus an assortment of voltage outputs Easy installation   - Small size   - Conduit compatible   - Fits standard electrical      Workboxes     The Ashcroft® RXLdp introduces a 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 Ashcroft Si-Glas sensor now enables precise measurement and control of very low pressure. Although the ultra-thin silicon diaphragm deflects only a micron, the sensor is 100 times more sensitive to pressure than available silicon piezoresistive pressure sensors. 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. PERFORMANCE CHARACTERISTICS Standard Ranges (Inches W.C.) Unidirectional Ranges: Differential or Gage 0/0.1 0/1.0 0/3.0 0/25.0 0/0.25 0/1.5 0/5.0 0/50.0 0/0.5 0/2.0 0/10.0   0/0.75 0/2.5 0/15.0   Bidirectional Ranges: Compound 0/0.5 0/1.0 0/5.0   0/0.1 0/2.0 0/10.0   0/0.25 0/2.5 0/25.0   0/0.5 0/3.0     Consult factory for nonstandard ranges. Accuracy Class (F.S.):    1% Nonlinearity     Terminal Point* ±0.8   Best fit straight line(BFSL) ±0.6 Hysteresis ±0.5 Nonrepeatability ±0.10 * Including hysteresis Stability: ±0.5%F.S./yr ENVIRONMENTAL CHARACTERISTICS Temperature Limits: Storage: -40 to +180°F Operating:   0 to +160°F (10-95% R.H. noncondensing) Compensated Range:  40 to +160°F Thermal Coefficients: ZERO ±0.025%F.S./°F SPAN ±0.025%F.S./°F   FUNCTIONAL CHARACTERISTICS Overpressure Limits (F.S.): Proof 15 psig Burst 50 psig Mounting Position Error: 0.5"W.C. and higher =<0.1%F.S. Below 0.5"W.C. =<0.25F.S. ELECTRICAL SPECIFICATIONS Output Signal: Power: 4-20mA (2-wire) 12-36 Vdc 1-5 Vdc 12-36 Vdc 1-6 Vdc 12-36 Vdc 0-5 Vdc 12-36 Vdc 0-10 Vdc 12-36 Vdc Output Signal is independent of power supply changes. Response Time: 250msec (factory set) Warm-up time: less than one second Reverse Wiring Protected 12-36 Vdc range without effect on the output signal Supply Current: <6mA vor voltage output   PHYSICAL CHARACTERISTICS Weight: 4.5 oz. NEMA 1 Case MATERIALS: Case: Series stainless steel / Lexan Pressure Connections: dual barbed, 1/4 stainless steel Media: Clean, dry and noncorrosive gas (consult factory for use on other media) NOT FOR USE ON LIQUIDS OPTIONS Back plate adapter (XRK) Calibration report (XRH) Nonstandard calibration (XCL) NOTES: Consult factory on other pressure range, temperature copensation, packaging variations or response time available PART NUMBER FOR A TRANSDUCER/TRANSMITTER: Select: RX 7 MB2 05 ST P1IW XRK   Type (rXLdp) Accuracy (7) 1.0%, ±0.025%/°F Pressure Connection (MB2) ¼ Barbed (MB1) No Case Option Output Signal (05) 0/5Vdc (10) 0/10Vdc (15) 1/5Vdc (16) 1/6Vdc (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 (P75IW) 0.75"'WC (1IW) 1.00"WC (1P5IW) 1.5"WC (2IW) 2.00"WC (2P5IW) 2.50"WC (3IW) 3.00"WC (5IW) 5.00"WC (10IW)10.00"WC (25IW) 25.00"WC (50IW) 50.00"WC Compound: (P1IWL) ±0.10"WC (P25IWL) ±0.25"WC (P5IWL) ±0.50"WC (1IWL) ±1.00"WC (2P5IWL) ±2.50" (5IWL) ±5.00"WC (10IWL) ±10.00"WC (25IWL) ±25.00"WC (50IWL) ±50.00"WC Options (XRK) Back plate adaptor (XRH) Calibration report (XCL) Nonstandard            calibration 1-877-ASHCROFT Credit Cards Accepted by PSI

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