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Stainless steel pressure transducer with mini-Hirschmann connector and 1/4 inch MNPT process connection

Dwyer Instruments Inc.

Dwyer Instruments Inc. 626-12-GH-P1-E4-S1 Pressure Transducer 0 to 200 psi

SKU CH-EX7W-07VH2

Measures 0 to 200 psi with ±0.25 % accuracy and 4–20 mA output on a 13–30 V DC supply

  • TypeElectronic
  • +/- 0.25 % accuracy ensures reliable readings
  • 4 to 20 mA output suits standard control loops
  • 316 and 316L stainless steel wetted parts resist corrosion
  • 13 to 30 V DC supply works with common industrial power
  • 0 to 200 psi range covers typical process pressures

Industrial pressure transducer for process

The Dwyer 626-12-GH-P1-E4-S1 measures gauge pressure from 0 to 200 psi and outputs a 4 to 20mA DC signal. It suits engineers and technicians who need a reliable transmitter for hydraulic, pneumatic or water systems. The 316 and 316L stainless steel wetted parts resist corrosion in demanding media. A 1/4 in MNPT process connection fits standard industrial piping.

Thermals noise and power in normal use

The transmitter operates from 0 to 200 degrees F without active cooling, so it adds no acoustic noise to the installation. Power is drawn from a 13 to 30V DC supply loop, keeping wiring simple and consumption low. Accuracy holds at +/- 0.25 percent of span across the full temperature range. The Mini-Hirschmann connector provides a secure electrical link in vibration-prone environments.

4 to 20mA loop output decides fit

This single specification determines whether the transducer integrates with your existing PLC, DCS or indicator. Controllers expecting a voltage output or a different current range will not accept the signal directly. Verify that your input card is configured for a two-wire 4 to 20mA DC loop before purchase.

Highlights

  • +/- 0.25 % accuracy ensures reliable readings
  • 4 to 20 mA output suits standard control loops
  • 316 and 316L stainless steel wetted parts resist corrosion
  • 13 to 30 V DC supply works with common industrial power
  • 0 to 200 psi range covers typical process pressures

Specifications

BrandDWYER INSTRUMENTS
TypeElectronic

Questions about this item

How do I wire the 4 to 20 mA output to the Mini-Hirschmann connector without reversing polarity?

Connect the loop supply positive to pin 1 and the signal return to pin 2 on the Mini-Hirschmann plug; the transmitter requires 13 to 30 V DC and will not operate if the polarity is swapped.

What part of the wetted materials will need inspection or replacement after long service in corrosive media?

The 316 and 316L stainless steel diaphragm and process connection are the only wetted parts; schedule periodic visual checks for pitting or stress corrosion cracking.

At what point does the +/- 0.25 % accuracy spec stop being reliable during continuous high-temperature operation?

Accuracy is rated across the full 0 to 200 °F operating range; sustained exposure near the 200 °F limit can cause zero drift that exceeds the stated tolerance.

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