Murphy Electric Gage and Swichgage - Manual (Page 3)

PRESSURE
▼ ESP: 1-wire-to-ground sender†
▼ ES2P: 2-wire ungrounded sender†
▼ ESDP: 2-wire ungrounded sender,
it drives 2 gages†
TEMPERATURE
▼ EST: 1-wire-to-ground sender
▼ ES2T: 2-wire ungrounded sender
▼ ESDT: 2-wire ungrounded sender,
it drives 2 gages.
FUEL LEVEL
▼ ESF: 1-wire-to-ground sender
▼ ES2F: 2-wire ungrounded sender
▼ ESDF: 2-wire ungrounded sender,
it drives 2 gages.
Single wire
Pressure
Sender Single wire
Temperature
Sender Single wire
Fuel Level
Sender
Float
Plate
Shaft
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
Ranges
†
Thru 100 psi (689 kPa) [6.89 bar].
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.
Electric Gage Senders