IN DASH INSTRUMENTS

Murphy’s direct-reading, mechanical SWICHGAGE® is a gauge and limit switch in one unit. The SWICHGAGE® gives accurate visual indication of engine conditions and includes an integral switch set point which initiates the alarm and/or shutdown. This set point is easily adjustable on the gage face or can be factory set and made tamper-resistant. Internally illuminated for nighttime viewing.

Engine Oil Pressure
201P-1-75 SWICHGAGE®
0-75 psi (0-517 kPa) range, 1/8 NPT connection. Other ranges, premium pressure line, and adapters available (refer to Accessories and Components on page 5).

Block Coolant Pressure
202P-1-15 SWICHGAGE®
0-15 psi (103 kPa) set low contact 3 psi (20 kPa), 1/8 NPT connection. Also available in 30 psi (207 kPa).

Transmission Temperature
203T-1-3 00-6 SWICHGAGE®
140-300°F range, 6 ft. (1.8 m) capillary and 1/2 NPT adapter. Specify other ranges, adapters and capillary lengths.

FUEl PRESSURE/Crankcase Pressure
20PWC Series SWICHGAGE®
Monitors natural gas fuel or engine crankcase pressure. Range: 0-10 in. (254 mm.). Available as SWICHGAGE® or indicating-only MURPHYGAGE®.

Block Coolant Temperature
202T-1-220-6 SWICHGAGE®
130-220°F, 6 ft. (1.8 m) capillary with 1/2 NPT engine adapter nut. Specify other ranges, adapters and capillary lengths.

Air Filter Restriction
20VWC-IP1-30 SWICHGAGE®
0-30 in. (0-76 cm) VWC, 1/8 NPT connection. Use for monitoring the condition of dry air filter. See Accessories and Components, on page 3, for pressure line.

Oil Filter Restriction
20DP-IP1-30 SWICHGAGE®
Differential pressure instrument to measure oil, fuel or water filter restriction. Alarm only function or gage only.