Welcome to CSI International Inc.

SERIES 100

General Equipment Gauge

SERIES 200

Compressed Gas/ Welding Gauge

SERIES 300

	Refrigeration Gauge
	Ammonia Gauge

SERIES 400

2.5" Diaphragm Gauge

SERIES 500

Stainless Process Gauge

SERIES 600

General Equipment Receiver Gauge

SERIES 1000

4" All S.S. Process Gauge

SERIES 1500

4.5" Process Gauge Configuration A

4.5" Process Gauge Configuration B

SERIES 1600

Test Gauge

SERIES 1700

Pressure Receiver Gauge

SERIES 1800

4.5" Process Bellows Gauge

SERIES 2000

Economy Process Gauge


	PRESSURE Gauge OPTIONS


	GENERAL INFO
	C SERIES
	S SERIES
	T SERIES
	E SERIES
	MINI SEALS

These 2.5" gauges are available in ranges suitable for various types of refrigerants. They can be permanently mounted in-line or used on a portable manifold.

Features:
Low and high pressure sides are color coded blue for low and red for high
Easy to read color coded scales
One-piece polycarbonate ring and window for easy access
Dial-mounted zero reset screw for quick re-zeroing
Low-pressure (blue) gauge has a 350 psi retard feature which helps prevent damage if attached incorrectly

	Dial Size: 2.5"
	Case: Drawn steel and painted with corrosion resistant paint--low side blue / high side red
	Ring and Window: One piece threaded polycarbonate
	Pointer: Aluminum, black finish
	Dial: Aluminum, white with black markings; Refrigerant temperature scales R-12, R-22, and R-502 are in red
	Movement: Brass
	Bourdon Tube: Phosphor bronze
	Socket: Brass
	Connection: 1/8" NPT, LM
	Range: Low side - 30" Hg Vac 0-120 psi; High side - 0-500 psi
	Accuracy: 3-2-3%

Refrigeration Gas Gauges

Range	Model 351
30 - 0 - 120 psi	0331-B11AE000W
0 - 500 psi	0331-B11AR000

Dial Size	A	B	C	F	W
2 1/2"	2.83	1.21	0.42	0.56	0.33

Note: All Dimensions are shown in inches.