MURPHY Electric Relay-Type Instrument EGS21 P-400-24-B Specifications
Item Parameter Value
Instrument Type Electric Relay-Type Instrument (EGS21)
Measurement Object Pressure (P)
Measurement Range 400 psi (2.76 MPa / 27.60 bar)
Power Supply Voltage 24V DC system
Bezel Type B = SAE type, low-handled stainless steel
Enclosure Material Polyester (PBT), impact-resistant and waterproof
Mirror UV-resistant, transparent glass inset
Dial Black background with white markings; red backlight; dual scale (℃/℉); mirror band design
Output Type Hall effect switch, outputting a grounded signal (sinking output)
Triggering Method Decreasing triggering (for pressure gauges)
Adjustable Range of Trigger Value Adjustable within 90% of the dial scale
Contact Indication Displayed on the mirror band, adjustable from the back (using a 1/16-inch hex wrench)
Wiring Plug and lead wires, 18AWG (1.0mm²), wire length 8 inches (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
Reverse Polarity Protection Supported, can withstand indefinitely within the operating temperature range
Environmental Standard Complies with SAE J1810 standard