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Perma-Cal 4.5 in. Test Gauge 0.25% Accuracy, Front Flange, Bottom Fitting

Only %1 left
SKU
PER-101FTMXXX21
As low as $455.79
Eligible for Free Shipping Over $125
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Specifications:

  • 4.5 in. Precision Test Gauge
  • 0.25% Accuracy
  • 1/4 in. NPT
  • Color: Black
  • Trim: Stainless Steel with Mirror Band
  • Length: 9.25 in.
  • Width: 9.25 in.
  • Height: 6.0 in.
  • Weight: 1.6 lbs.

The dial size shown in the photos may not reflect the actual PSI range.

Features

Perma-Cal® 4.5” Precision Test Gauges provide reliable accuracy for critical applications.

 

Specifications
Accuracy
  • Ascending: ±0.25% full scale (Grade 3A)
  • NIST Traceable Standard Calibration Certificate included, per ASME B40.100.
  • Accuracy exceptions. Contact Amron for details.
  • Cleaned for oxygen service.

 

Case
  • Size: 4.5 in.
  • Material: ABS plastic
  • Flange Position: Front
  • Pressure Ranges: 15 to 15,000 psi single scale (see Pressure Range Scale availability on Resources tab)
  • Standard Colors: Black, Red, Blue
  • Other Colors: Green, White, Yellow
  • Connection: 1/4 in. Male NPT 316 stainless steel bottom fitting (6 o'clock)
  • Window: Acrylic

 

Dial
  • Stainless steel, powder-coated finish, white with black markings
  • Pointer Type: Test (knife-edged, precision reading, anodized aluminum, zero-adjustable)
  • Mirror Band: Yes
  • Pointer Dampening: Yes
  • External Zero Adjust: Yes

 

Operating Temperature
  • Process Temperature: -65°F to 250°F / -53.89°C to 121.11°C
  • Ambient Temperature: -65°F to 190°F / -53.89°C to 87.78°C

 

Pressure Rating
  • Burst: 500% F.S. pressure or 25,000 psi
  • Proof: 150% F.S. pressure

 


Wetted Parts
  • Inconel X-750
  • 300-series stainless steel
  • Silver braze
     

*NOTE: If you need a pressure range or configuration not yet available on our website, please contact your Amron sales representative for assistance.

  • Perma-Cal Caisson Gauges are trusted where safety, reliability, and accuracy are paramount.
  • One Moving Part: Helical Bourdon Tube = Gearless, Direct Drive = Durability. Unmatched vibration, pulsation, and shock performance.
  • Ready for Rough Seas: Survives the day-to-day transport and use of a commercial diving case and the unpredictability of corrosive marine environments.
  • Trusted Accuracy: Accuracy is 25% less affected by temperature fluctuations. Inconel Element = Low coefficient of thermal expansion.
  • Aerospace quality, military-trusted.
Amron International Customer Service
We respond to most inquiries within 24 hours, Monday – Friday, excluding holidays.
Phone
Toll-Free: (877) 462-6700
Local & International: (760) 208-6500
Fax: (760) 599-3857
Email
sales@amronintl.com
Hours of Operation
Customer Service
Monday - Friday, 8am – 5pm Pacific Time Zone

Warehouse/Will Call Orders
Monday – Friday, 9am – 3:30pm Pacific Time Zone