Murphy Electric Gage and Swichgage manual Ranges

Ranges

PRESSURE		80 psi	(552 kPa)	[5.52 bar]
		100 psi	(689 kPa)	[6.89 bar]
		200 psi	(1.38 MPa)	[13.80 bar]
		300 psi	(2.07 MPa)	[20.70 bar]
		400 psi	(2.76 MPa)	[27.60 bar]
	TEMPERATURE	250°F	(121°C)
		300°F	(149°C)

FUEL LEVEL Empty — 1/4 — 1/2 — 3/4 — Full

AMMETER 60 — 0 — 60 amps (internal shunt)*

VOLTMETER	12	VDC: 8 — 18 Volts
	24	VDC: 16 — 36 Volts

IMPORTANT: EG21 Series gage and EGS21 Series Swichgage Movement and Illumination

require 12 VDC to function. For 24 volts systems, voltage converters are built into the electrical wire / connector assembly and supplied with the instrument, Specify voltage when ordering.

Single wire Pressure Sender

Electric Gage Senders

Single wire	Single wire
Temperature	Fuel Level
Sender	Sender

Plate

Shaft

Float

PRESSURE	TEMPERATURE	FUEL LEVEL
▼ ESP: 1-wire-to-ground sender†	▼ EST: 1-wire-to-ground sender	▼ ESF: 1-wire-to-ground sender
▼ ES2P: 2-wire ungrounded sender†	▼ ES2T: 2-wire ungrounded sender	▼ ES2F: 2-wire ungrounded sender
▼ ESDP: 2-wire ungrounded sender,	▼ ESDT: 2-wire ungrounded sender,	▼ ESDF: 2-wire ungrounded sender,
it drives 2 gages†	it drives 2 gages.	it drives 2 gages.

†Thru 100 psi (689 kPa) [6.89 bar].