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

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

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