Brochure

WINTERS INSTRUMENTS Tel: 1-800-WINTERS / www.winters.com 19
Ammonia Gauge
PAM
Description & Features:
• Wide variety to measure pressure and temperature of
ammonia systems
• ±0.5% to ±3-2-3% accuracy available
• 2.5" (63mm) to 10" (250mm) dial sizes
• CRN registered
• 5 year warranty
Applications:
• Used to display pressure and temperature on closed
refrigeration systems
Specifications Accuracy: ±0.5% to ±1% Accuracy: ±1.5% Accuracy: ±3-2-3%
Dial
4” (100mm), 6” (150mm), 8.5”
(215mm), 10” (250mm): White alu-
minum with black and red markings
2.5” (63mm), 3.5” (90mm), 4”
(100mm): White aluminum
2.5” (63mm), 4” (100mm):
White aluminum
Case
4” (100mm), 6” (150mm): AISI 304 SS
8.5” (215mm), 10” (250mm):
Aluminum case
2.5” (63mm), 4” (100mm):
AISI 304 SS
3.5” (90mm): Steel painted
black
2.5” (63mm), 4” (100mm):
Steel painted black
Lens Polycarbonate Polycarbonate Polycarbonate
Ring
4” (100mm), 6” (150mm): 304 SS
8.5” (215mm), 10” (250mm):
Aluminum
2.5” (63mm): SS
3.5” (90mm): Steel
4” (100mm): AISI 304 SS
2.5” (63mm): Steel, painted
black
4” (100mm): Plated steel
Socket 316L SS 316L SS
2.5” (63mm): Steel
4” (100mm): Nickel plated steel
Connection
1
/4” NPT
1
/4” NPT standard
1
/4” NPT standard
Bourdon Tube 316L SS, drawn seamless 316L SS, drawn seamless 316 SS
Movement 304 SS 304 SS 304 SS
Pointer
Aluminum, anodized black,
micrometer adjustable
Aluminum, anodized black Aluminum, anodized black
Welding TIG TIG TIG
Over-Pressure Limit 30% of full scale value 30% of full scale value 30% of full scale value
Working Pressure Maximum 75% of full scale value
Maximum 75% of full scale
value
Maximum 75% of full scale
value
Ambient/Process
Temperature
-40°F to 150°F (-40°C to 65°C): Dry,
-4°F to 150°F (-20°C to 65°C): Liquid
filled (8.5” dry)
-40°F to 150°F (-40°C to
65°C): Dry
-4
°F to 150°F (-20°C to
65°C): Liquid filled
-40°F to 150°F (-40°C to
65
°C): Dry
Accuracy
4” (100mm), 6” (150mm): ±1%
ANSI/ASME Grade 1A
8.5” (215mm), 10” (250mm): ±0.5%
ANSI/ASME Grade 2A
±1.5% of full scale value ±3-2-3% ANSI/ASME Grade B
Enclosure Rating
2.5” (63mm), 4” (100mm),
6” (150mm): IP65
8.5” (215mm), 10” (250mm): IP52
IP65 IP52
Note: RoHS applies only to SS internals