MURPHY Electric Relay-Type Instrument EGS21 P-300-24-B
EGS21 P-300-24-B Specifications
Item Specification
Model Type EGS21 (Electric Relay-Type Instrument)
Measurement Object P (Pressure)
Measurement Range 300 psi (2.07 MPa / 20.70 bar)
Power Supply Voltage 24V DC system (with built-in step-down resistor)
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
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 Indicator 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°C to +85°C (-40°F to +185°F)
Storage Temperature -60°C to +85°C (-77°F to +185°F)
Overvoltage Protection Can withstand up to 200% of nominal voltage for 5 minutes
Reverse Polarity Protection Supported
Environmental Test Standard Complies with SAE J1810 standard