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MURPHY Electric relay-type instrument EGS21 P-400-24-A
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MURPHY Electric relay-type instrument EGS21 P-400-24-A

Date: 2025-12-19
Brand: MURPHY
Models: EGS21 P-400-24-A
Price: Phone or Email Inquiry

Do you have any questions about this product? Please contact our customer service by phone number +852 30623028 Or Quick Inquiry Form.

Product Overview

EGS21 P-400-24-A Specifications


Item Specification

Model Type EGS21 (Electric Relay-Type Instrument)

Measurement Object P (Pressure)

Measurement Range 400 psi (2.76 MPa / 27.60 bar)

Power Supply Voltage 24V DC system (with built-in step-down resistor)

Bezel Type A (Black, semi-polished)

Enclosure Material Polyester (PBT), impact-resistant and waterproof

Mirror UV-resistant, transparent glass inset

Dial Black background with white markings, turns red with backlight; dual scale (℃/℉); mirror band design

Sensing Element Hall effect

Output Type Grounded signal (sinking output)

Triggering Method Decreasing triggering (for pressure gauges)

Trigger Adjustment Range Adjustable within 90% of the dial scale

Contact Indication Displayed on the mirror band, adjustable from the back (using a 1/16 in. hex wrench)

Wiring Plug and lead wires, 18AWG (1.0mm²), wire length 8 in. (203mm)

Operating Temperature -40℃ to +85℃ (-40℉ to +185℉)

Storage Temperature -60℃ to +85℃ (-77℉ to +185℉)

Overvoltage Protection Maximum 200% of nominal voltage for 5 minutes


Our order process

Step One

Customer inquiry

Step Two

Cost calculation and quotation preparation

Step Three

Quotation submission to the customer

Step Four

Contract signing and advance payment

Step Five

Product arrival and final payment

Step Six

Shipment to the customer