1490 Low Pressure Diaphragm Gauge

The Ashcroft® 1490 diaphragm gauge is an economical solution for low pressure measurement. This model provides reliability and performance due to its ultra-sensitive diaphragm measuring system. An ideal product for non-corrosive gas measurement. Not suitable for liquids.

Key Features:
  • Easily removable window for small zero adjustments
Specifications:
  • Accuracy: ±2-1-2% full scale (ASME B40.100 Grade A)
  • Pressure Ranges: Vacuum, Compound, 0 … 2.5 kPa to 0 … 100 kPa
  • Dial size: 2-1/2″ and 3-1/2″
  • Case: glass-filled polysulfone; open front
  • Diaphragm system / socket: phosphor bronze / brass

The 1490 pressure gauge is ideal where safe and reliable low pressure measurement is essential:

Industrial Market:
  • Vacuum Pumps
  • Air Compressors
  • Filters
  • Gas Measurement; Burners and Leak Detectors
  • Vacuum Ovens
  • Specialized OEM Equipment
Medical and Life Sciences:
  • Suction Regulators and Respirators
 

Related Products

1008S/SL 63/100 mm Pressure Gauge Class 1.6

The Ashcroft® 1008S/SL pressure gauge offers exceptional quality and reliability in an all stainless steel pressure gauge.

1150H Reid Vapor Test Gauge

The Ashcroft® 1150H Reid vapor test gauge is used for precisely measuring vapor pressure of petroleum-based product.

1220 Pressure Gauge

The Ashcroft® 1220 industrial pressure gauge is a good solution for general pressure measurement.

1008S/SL 63/100 mm Pressure Gauge Center Back Connection Only

The Ashcroft® 1008S/SL center back pressure gauge is used exclusively for panel mounted installations.

1020 Christmas Tree Pressure Gauge

The Ashcroft® 1020 christmas tree gauge is used specifically within oil and gas fields.

8008A Pressure Gauge

The Ashcroft 8008A pressure gauge is designed to meet both EN 837-1 and ASME B40.100, ensuring accuracy and long term performance.

5008 63 mm Stainless Steel Pressure Gauge

The Ashcroft® 63 mm 5008 pressure gauge offers exceptional quality and reliability in an all stainless steel pressure gauge.

1009 4.5/6 Inch Pressure Gauge

The Ashcroft® 1009 industrial pressure gauge is ideal for resisting chemical, weather or corrosion effects.

T6500 Pressure Gauge

The Ashcroft® T6500 stainless steel pressure gauge has become an industry standard.

2008 Panel Pressure Gauge

The Ashcroft® 2008 panel builders pressure gauge is used for easy installation in equipment panels.

Tools

  • Distributor Locator

    Locate an authorized Ashcroft distributor in your area.
  • Materials Selector

    Use the selector to review compatible wetted materials and requirements of your application.
  • Unit Convertor

    Need to convert measurement units? Check out our quick and easy approach to pressure, temperature and flow unit conversions.

Frequently Asked Questions

Get quick answers to common questions. Choose your topic:

See all FAQs »