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PAM Ammonia Gauge
Brand: Winters Instruments
Features
- To measure pressure and temperature of most ammonia systems
- ±0.5% to ±3-2-3% accuracy available
- 2-1/2" (63 mm) to 10" (250 mm) dial sizes
- ASME B40.100 compliant
- CRN registered
Specifications
Brand
Accuracy
- 2-1/2” (63 mm), 3-1/2” (90 mm), 4” (100 mm): ± 1.5 % of Full Scale Value
- 2-1/2” (63 mm), 4” (100 mm): ± 3-2-3 % ANSI/ASME Grade B
- 4” (100 mm), 6” (150 mm): ± 1 % ANSI/ASME Grade 1A
- 8-1/2” (215 mm), 10” (250 mm): ± 0.5 % ANSI/ASME Grade 2A
Ambient Temperature Range
- Dry: -40° to 65° C (-40° to 150° F)
- Glycerin Filled: -20° to 65° C (-4° to 150° F)
Approvals & Certifications
- CRN
- RoHS (Applies to Stainless Steel Internals Only)
Enclosure, Body Material
- 304 Stainless Steel
- Aluminum
- Steel
Environmental Protection
- 2-1/2” (63 mm), 3-1/2” (90 mm), 4” (100 mm), 6” (150 mm): IP65
- 2-1/2” (63 mm), 4” (100 mm), 8-1/2” (215 mm), 10” (250 mm): IP52
Fill Material
- Glycerin
Lens
- Polycarbonate Lens
Materials of Construction
- Bourdon Tube [2-1/2” (63 mm), 4” (100 mm)]: 316 Stainless Steel
- Dial (White with Black & Red Markings), Pointer (Anodized Black): Aluminum
- Socket [2-1/2” (63 mm)]: Steel
- Socket [4” (100 mm)]: Nickel-Plated Steel
- Socket, Bourdon Tube [2-1/2” (63 mm), 3-1/2” (90 mm), 4” (100 mm), 6” (150 mm), 8-1/2” (215 mm), 10” (250 mm)]: 316L Stainless Steel
Movement
- 304 Stainless Steel
NPT Connection
- 1/2” NPT Male
- 1/4” NPT Male
Operating Pressure
- Maximum
Overpressure & Static Pressure Limits
- Overpressure: 30 % of Full Scale Value
Pressure Range
- bar: -2.1 to 20.7
- kPa: 0 to 2,068
- psi: -30 to 300
Process Temperature
- Dry: -40° to 65° C (-40° to 150° F)
- Glycerin Filled: -20° to 65° C (-4° to 150° F)
Ring Material
- 2-1/2” (63 mm), 3-1/2” (90 mm), 4” (100 mm): Steel, Painted Black
- 2-1/2” (63 mm), 4” (100 mm), 6” (150 mm): 304 Stainless Steel
- 8-1/2” (215 mm), 10” (250 mm): Aluminum
Size
- Dial: 10” (250 mm)
- Dial: 2-1/2” (63 mm)
- Dial: 3-1/2” (90 mm)
- Dial: 4” (100 mm)
- Dial: 6” (150 mm)
- Dial: 8-1/2” (215 mm)
- Used to Display Pressure and Temperature on Refrigeration Systems