Murphy pressure transmitter PXT-K Series
- 4-20 mA Output Signal
- Piezoresistive Pressure Transmitter
- Corrosion Resistant Construction
- High Stablity
The PXT-K Series pressure transmitters are state-of-the-art instruments providing 4-20 mA output. Each Piezoresistive Pressure Transmitter contains a transducer comprised of a piezoresistive silicon chip mounted on a glass-metal feedthrough header welded into a stainless steel housing and filled with silicone oil; the very thin laser-welded stainless steel isolation-diaphragm completes the front side. Media pressure is transferred from the stainless steel isolation-diaphragm, via the oil inside the cell, to the silicon measuring chip. This construction, combined with the advanced internal signal conditioning circuitry, results in a rugged instrument with extremely small temperature error and class-leading EMI/RFI resistance.
The enclosure and all wetted parts are made of 316L stainless steel to meet NACE MR01-75.
Applications: PXT-K Series Pressure Transmitters can be used in applications such as Compressors, Engines, Process Control, Liquid Level and Pumps.
- Operating Pressure Range: See the part number matrix on the reverse side.
- Operating Temperature: -40 to 180°F (-40 to 82°C).
- Compensated Temperature Range: -20 to 160°F (-29 to 71°C).
- Process Connection: 1/4 NPT female with 7/8” Hex Nut.
- Electrical Connection (PXT-K-XXX): 1/2” NPT Male Conduit connection with 60” long cable, vented
- Enclosure: NEMA 4/IP65 or better
- Body: 316L Stainless Steel. Meets NACE MR01-75.
- Wetted Parts: 316L stainless steel
- Environmental Effect (Humidity): No effect for 0-95%, Non-condensing
- Mounting: Transmitter can be installed in any axis.
- Transmitter position has negligible affect on performance as long as it is perpendicular to the flow being monitored.
- Shock Resistance: 1000g per IEC 60068-2-6 (Mechanical Shock)
- Vibration Resistance: 20G per IEC 60068-2-6 (Vibration under resonance)
- Wiring Protection: Protected against reverse polarity and short circuit, 48 VDC Maximum
- Supply Voltage: 8 - 30 VDC (Typically 24 VDC)
- Transmitter Output: 4-20mA, two wire configurations with load characteristics
- Insulation: Greater than 10MΩ @ 300 VDC
- Electromagnetic Compatibility (EMC): Standards; EN 61000-6-2:2005, EN 61000-6-3:2007, EN 61326-2-3:2006
- Voltage Surge/Spike Protection: Protection against a 600
- Volt spike per IEC 60-2
- Shipping Weight: 6.5 ounces
- Applicable Standards:
- NACE MR0175 Compliant with the requirements
- CSA (c/us): Class I / II / III, Div 1 , Groups A-F T4
- Class I / II / III, Div 2, Groups A-D,F,G T4
- ATEX:
- IBExU 10 ATEX 1124 X
- II 1G Ex ia IIC T6-T4
- II 3G Ex nA IIC T6
| PXT series (4-20ma) | PXT-K series (4-20ma) | ||
| Part number | Model number | Part number | Model number |
| 05705320 | PXT-30V30WC | 05707730 | PXT-K-30V30WC |
| 05707354 | PXT-30V30 | 05707731 | PTX-K-30V30 |
| 05707355 | PXT-30V100 | 05707732 | PXT-K-30V100 |
| 05705064 | PXT-15 | 05707733 | PXT-K-15 |
| 05705065 | PXT-60 | 05707734 | PXT-K-60 |
| 05707356 | PXT-100 | 05707735 | PXT-K-100 |
| 05705066 | PXT-200 | 05707736 | PXT-K-200 |
| 05705067 | PXT-300 | 05707737 | PXT-K-300 |
| 05707357 | PXT-400 | 05707738 | PXT-K-400 |
| 05705068 | PXT-600 | 05707739 | PXT-K-600 |
| 05707358 | PXT-1000 | 05707740 | PXT-K-1000 |
| 05707359 | PXT-2000 | 05707741 | PXT-K-2000 |
| 05705069 | PXT-3000 | 05707742 | PXT-K-3000 |
| 05705070 | PXT-5000 | 05707743 | PXT-K-5000 |
| 05705071 | PXT-6000 | 05707744 | PXT-K-6000 |
| 05706114 | PXT-9000 | 05707745 | PXT-K-10000 |
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