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Mid-West Instrument Series 700 “Wet/Wet” Differential Pressure Transmitter

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Mid-West Instrument Series 700 “Wet/Wet” Differential Pressure Transmitter, testing equipment, backflow testing

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Mid-West Instrument Series 700 “Wet/Wet” Differential Pressure Transmitter

By Mid-West Staff | Tue, 15 Nov 2011

Mid-West Instrument wet/wet differential pressure transmitter utilizes a piezoresistive differential pressure sensor sensing element with stainless steel isolated diaphragm. Silicon oil is filled in between die and two diaphragms. The measured differential pressure is transmitted onto the die through the diaphragm and silicon oil. The signal output generated by the piezoresistive bridge sensor is amplified into a useable voltage or 4-20 mA output as specified by customer. 1 Year Limited Warranty.

Product Features
Use with Liquid or Gas media compatible with material of construction Full stainless steel construction, compact size, easy installation Laser welded, fully-sealed construction: NEMA 4X (IP65) Utilizes Piezoresistive Differential Pressure Sensor Isolated Diaphragm Zero and Span Adjustable
CE Certified to EMI / EMC Directive LCD or LED display available upon request (Available with DIN Connector & 4-20mA Output Only, 2-Wire 20-28 VDC) Maximum Overpressure (+) Hi-Side equals 2 times specified DP range Maximum Overpressure (-) Low-Side is equal to specified DP range Maximum Static Pressure 2,900 PSI
It is recommended to install a 3 valve manifold between point of measurement and the transmitter.

Materials of Construction
  • Pressure Port & Housing: 321 Stainless Steel • Diaphragm: 316L Stainless Steel • O-ring: Viton • Process Connections: 1⁄4” Female BSPP (STD) • Fill liquid: Silicon Oil
  • Available Electrical Specifications:
  • Power Supply: 2-Wire 15~28 VDC 3-Wire 15~28 VDC, 2-Wire 20-28 VDC
  • Output Signals: 2-Wire 4~20mADC, 3-Wire, 0~5VDC, 1~5VDC, 0~5VDC 0~10VDC, 0-10mADC and 0-20m ADC
  • Electrical Connections: Din Plug 43650 or 1.5m 4-pin cable
  • Response Time: (10%~90%) ≤1ms • Insulation Resistance 100MΩ,50VDC

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